ComfyUI_frontend/build/litegraph.min.js

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(function(v) {
  function c() {
    g.debug && console.log("Graph created");
    this.list_of_graphcanvas = null;
    this.clear();
  }
  function h(a) {
    this._ctor();
  }
  function e(a, b, d) {
    d = d || {};
    this.background_image = "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAGQAAABkCAIAAAD/gAIDAAAAGXRFWHRTb2Z0d2FyZQBBZG9iZSBJbWFnZVJlYWR5ccllPAAAAQBJREFUeNrs1rEKwjAUhlETUkj3vP9rdmr1Ysammk2w5wdxuLgcMHyptfawuZX4pJSWZTnfnu/lnIe/jNNxHHGNn//HNbbv+4dr6V+11uF527arU7+u63qfa/bnmh8sWLBgwYJlqRf8MEptXPBXJXa37BSl3ixYsGDBMliwFLyCV/DeLIMFCxYsWLBMwSt4Be/NggXLYMGCBUvBK3iNruC9WbBgwYJlsGApeAWv4L1ZBgsWLFiwYJmCV/AK3psFC5bBggULloJX8BpdwXuzYMGCBctgwVLwCl7Be7MMFixYsGDBsu8FH1FaSmExVfAxBa/gvVmwYMGCZbBg/W4vAQYA5tRF9QYlv/QAAAAASUVORK5CYII=";
    a && a.constructor === String && (a = document.querySelector(a));
    this.max_zoom = 10;
    this.min_zoom = 0.1;
    this.title_text_font = "bold 14px Arial";
    this.inner_text_font = "normal 12px Arial";
    this.default_link_color = "#AAC";
    this.highquality_render = !0;
    this.editor_alpha = 1;
    this.pause_rendering = !1;
    this.render_only_selected = this.clear_background = this.render_shadows = !0;
    this.live_mode = !1;
    this.allow_interaction = this.allow_dragnodes = this.allow_dragcanvas = this.show_info = !0;
    this.render_connections_shadows = this.always_render_background = !1;
    this.render_connection_arrows = this.render_curved_connections = this.render_connections_border = !0;
    this.connections_width = 3;
    b && b.attachCanvas(this);
    this.setCanvas(a);
    this.clear();
    d.skip_render || this.startRendering();
    this.autoresize = d.autoresize;
  }
  function p(a, b) {
    return Math.sqrt((b[0] - a[0]) * (b[0] - a[0]) + (b[1] - a[1]) * (b[1] - a[1]));
  }
  function n(a, b, d, f, g, e) {
    return d < a && d + g > a && f < b && f + e > b ? !0 : !1;
  }
  function u(a, b) {
    return a[0] > b[2] || a[1] > b[3] || a[2] < b[0] || a[3] < b[1] ? !1 : !0;
  }
  function x(a, b) {
    this.options = b = b || {};
    var d = this;
    b.parentMenu && (b.parentMenu.constructor !== this.constructor ? (console.error("parentMenu must be of class ContextMenu, ignoring it"), b.parentMenu = null) : (this.parentMenu = b.parentMenu, this.parentMenu.lock = !0, this.parentMenu.current_submenu = this));
    b.event && b.event.constructor !== MouseEvent && b.event.constructor !== CustomEvent && (console.error("Event passed to ContextMenu is not of type MouseEvent or CustomEvent. Ignoring it."), b.event = null);
    var f = document.createElement("div");
    f.className = "litegraph litecontextmenu litemenubar-panel";
    f.style.minWidth = 100;
    f.style.minHeight = 100;
    f.style.pointerEvents = "none";
    setTimeout(function() {
      f.style.pointerEvents = "auto";
    }, 100);
    f.addEventListener("mouseup", function(a) {
      a.preventDefault();
      return !0;
    }, !0);
    f.addEventListener("contextmenu", function(a) {
      if (2 != a.button) {
        return !1;
      }
      a.preventDefault();
      return !1;
    }, !0);
    f.addEventListener("mousedown", function(a) {
      if (2 == a.button) {
        return d.close(), a.preventDefault(), !0;
      }
    }, !0);
    this.root = f;
    if (b.title) {
      var g = document.createElement("div");
      g.className = "litemenu-title";
      g.innerHTML = b.title;
      f.appendChild(g);
    }
    g = 0;
    for (var e in a) {
      var q = a.constructor == Array ? a[e] : e;
      null != q && q.constructor !== String && (q = void 0 === q.content ? String(q) : q.content);
      this.addItem(q, a[e], b);
      g++;
    }
    f.addEventListener("mouseleave", function(a) {
      d.lock || d.close(a);
    });
    a = document;
    b.event && (a = b.event.target.ownerDocument);
    a || (a = document);
    a.body.appendChild(f);
    e = b.left || 0;
    a = b.top || 0;
    b.event && (e = b.event.pageX - 10, a = b.event.pageY - 10, b.title && (a -= 20), b.parentMenu && (b = b.parentMenu.root.getBoundingClientRect(), e = b.left + b.width), b = document.body.getBoundingClientRect(), g = f.getBoundingClientRect(), e > b.width - g.width - 10 && (e = b.width - g.width - 10), a > b.height - g.height - 10 && (a = b.height - g.height - 10));
    f.style.left = e + "px";
    f.style.top = a + "px";
  }
  var g = v.LiteGraph = {NODE_TITLE_HEIGHT:16, NODE_SLOT_HEIGHT:15, NODE_WIDTH:140, NODE_MIN_WIDTH:50, NODE_COLLAPSED_RADIUS:10, NODE_COLLAPSED_WIDTH:80, CANVAS_GRID_SIZE:10, NODE_TITLE_COLOR:"#222", NODE_DEFAULT_COLOR:"#999", NODE_DEFAULT_BGCOLOR:"#444", NODE_DEFAULT_BOXCOLOR:"#AEF", NODE_DEFAULT_SHAPE:"box", MAX_NUMBER_OF_NODES:1000, DEFAULT_POSITION:[100, 100], node_images_path:"", VALID_SHAPES:["box", "round"], BOX_SHAPE:1, ROUND_SHAPE:2, CIRCLE_SHAPE:3, INPUT:1, OUTPUT:2, EVENT:-1, ACTION:-1, 
  ALWAYS:0, ON_EVENT:1, NEVER:2, ON_TRIGGER:3, proxy:null, debug:!1, throw_errors:!0, allow_scripts:!0, registered_node_types:{}, node_types_by_file_extension:{}, Nodes:{}, registerNodeType:function(a, b) {
    if (!b.prototype) {
      throw "Cannot register a simple object, it must be a class with a prototype";
    }
    b.type = a;
    g.debug && console.log("Node registered: " + a);
    a.split("/");
    var d = b.constructor.name, f = a.lastIndexOf("/");
    b.category = a.substr(0, f);
    b.title || (b.title = d);
    if (b.prototype) {
      for (var t in h.prototype) {
        b.prototype[t] || (b.prototype[t] = h.prototype[t]);
      }
    }
    Object.defineProperty(b.prototype, "shape", {set:function(a) {
      switch(a) {
        case "box":
          this._shape = g.BOX_SHAPE;
          break;
        case "round":
          this._shape = g.ROUND_SHAPE;
          break;
        case "circle":
          this._shape = g.CIRCLE_SHAPE;
          break;
        default:
          this._shape = a;
      }
    }, get:function(a) {
      return this._shape;
    }, enumerable:!0});
    this.registered_node_types[a] = b;
    b.constructor.name && (this.Nodes[d] = b);
    b.prototype.onPropertyChange && console.warn("LiteGraph node class " + a + " has onPropertyChange method, it must be called onPropertyChanged with d at the end");
    if (b.supported_extensions) {
      for (t in b.supported_extensions) {
        this.node_types_by_file_extension[b.supported_extensions[t].toLowerCase()] = b;
      }
    }
  }, addNodeMethod:function(a, b) {
    h.prototype[a] = b;
    for (var d in this.registered_node_types) {
      var f = this.registered_node_types[d];
      f.prototype[a] && (f.prototype["_" + a] = f.prototype[a]);
      f.prototype[a] = b;
    }
  }, createNode:function(a, b, d) {
    var f = this.registered_node_types[a];
    if (!f) {
      return g.debug && console.log('GraphNode type "' + a + '" not registered.'), null;
    }
    b = b || f.title || a;
    f = new f(b);
    f.type = a;
    f.title || (f.title = b);
    f.properties || (f.properties = {});
    f.properties_info || (f.properties_info = []);
    f.flags || (f.flags = {});
    f.size || (f.size = f.computeSize());
    f.pos || (f.pos = g.DEFAULT_POSITION.concat());
    f.mode || (f.mode = g.ALWAYS);
    if (d) {
      for (var t in d) {
        f[t] = d[t];
      }
    }
    return f;
  }, getNodeType:function(a) {
    return this.registered_node_types[a];
  }, getNodeTypesInCategory:function(a) {
    var b = [], d;
    for (d in this.registered_node_types) {
      "" == a ? null == this.registered_node_types[d].category && b.push(this.registered_node_types[d]) : this.registered_node_types[d].category == a && b.push(this.registered_node_types[d]);
    }
    return b;
  }, getNodeTypesCategories:function() {
    var a = {"":1}, b;
    for (b in this.registered_node_types) {
      this.registered_node_types[b].category && !this.registered_node_types[b].skip_list && (a[this.registered_node_types[b].category] = 1);
    }
    var d = [];
    for (b in a) {
      d.push(b);
    }
    return d;
  }, reloadNodes:function(a) {
    var b = document.getElementsByTagName("script"), d = [], f;
    for (f in b) {
      d.push(b[f]);
    }
    b = document.getElementsByTagName("head")[0];
    a = document.location.href + a;
    for (f in d) {
      var t = d[f].src;
      if (t && t.substr(0, a.length) == a) {
        try {
          g.debug && console.log("Reloading: " + t);
          var e = document.createElement("script");
          e.type = "text/javascript";
          e.src = t;
          b.appendChild(e);
          b.removeChild(d[f]);
        } catch (q) {
          if (g.throw_errors) {
            throw q;
          }
          g.debug && console.log("Error while reloading " + t);
        }
      }
    }
    g.debug && console.log("Nodes reloaded");
  }, cloneObject:function(a, b) {
    if (null == a) {
      return null;
    }
    a = JSON.parse(JSON.stringify(a));
    if (!b) {
      return a;
    }
    for (var d in a) {
      b[d] = a[d];
    }
    return b;
  }, isValidConnection:function(a, b) {
    return !a || !b || a == b || a !== g.EVENT && b !== g.EVENT && a.toLowerCase() == b.toLowerCase() ? !0 : !1;
  }};
  g.getTime = "undefined" != typeof performance ? performance.now.bind(performance) : "undefined" != typeof Date && Date.now ? Date.now.bind(Date) : "undefined" != typeof process ? function() {
    var a = process.hrtime();
    return 0.001 * a[0] + 1e-6 * a[1];
  } : function() {
    return (new Date).getTime();
  };
  v.LGraph = g.LGraph = c;
  c.supported_types = ["number", "string", "boolean"];
  c.prototype.getSupportedTypes = function() {
    return this.supported_types || c.supported_types;
  };
  c.STATUS_STOPPED = 1;
  c.STATUS_RUNNING = 2;
  c.prototype.clear = function() {
    this.stop();
    this.status = c.STATUS_STOPPED;
    this.last_node_id = 0;
    this._nodes = [];
    this._nodes_by_id = {};
    this._nodes_executable = this._nodes_in_order = null;
    this.last_link_id = 0;
    this.links = {};
    this.iteration = 0;
    this.config = {};
    this.fixedtime = this.runningtime = this.globaltime = 0;
    this.elapsed_time = this.fixedtime_lapse = 0.01;
    this.starttime = 0;
    this.catch_errors = !0;
    this.global_inputs = {};
    this.global_outputs = {};
    this.debug = !0;
    this.change();
    this.sendActionToCanvas("clear");
  };
  c.prototype.attachCanvas = function(a) {
    if (a.constructor != e) {
      throw "attachCanvas expects a LGraphCanvas instance";
    }
    a.graph && a.graph != this && a.graph.detachCanvas(a);
    a.graph = this;
    this.list_of_graphcanvas || (this.list_of_graphcanvas = []);
    this.list_of_graphcanvas.push(a);
  };
  c.prototype.detachCanvas = function(a) {
    if (this.list_of_graphcanvas) {
      var b = this.list_of_graphcanvas.indexOf(a);
      -1 != b && (a.graph = null, this.list_of_graphcanvas.splice(b, 1));
    }
  };
  c.prototype.start = function(a) {
    if (this.status != c.STATUS_RUNNING) {
      this.status = c.STATUS_RUNNING;
      if (this.onPlayEvent) {
        this.onPlayEvent();
      }
      this.sendEventToAllNodes("onStart");
      this.starttime = g.getTime();
      var b = this;
      this.execution_timer_id = setInterval(function() {
        b.runStep(1, !this.catch_errors);
      }, a || 1);
    }
  };
  c.prototype.stop = function() {
    if (this.status != c.STATUS_STOPPED) {
      this.status = c.STATUS_STOPPED;
      if (this.onStopEvent) {
        this.onStopEvent();
      }
      null != this.execution_timer_id && clearInterval(this.execution_timer_id);
      this.execution_timer_id = null;
      this.sendEventToAllNodes("onStop");
    }
  };
  c.prototype.runStep = function(a, b) {
    a = a || 1;
    var d = g.getTime();
    this.globaltime = 0.001 * (d - this.starttime);
    var f = this._nodes_executable ? this._nodes_executable : this._nodes;
    if (f) {
      if (b) {
        for (var t = 0; t < a; t++) {
          for (var e = 0, q = f.length; e < q; ++e) {
            var l = f[e];
            if (l.mode == g.ALWAYS && l.onExecute) {
              l.onExecute();
            }
          }
          this.fixedtime += this.fixedtime_lapse;
          if (this.onExecuteStep) {
            this.onExecuteStep();
          }
        }
        if (this.onAfterExecute) {
          this.onAfterExecute();
        }
      } else {
        try {
          for (t = 0; t < a; t++) {
            e = 0;
            for (q = f.length; e < q; ++e) {
              if (l = f[e], l.mode == g.ALWAYS && l.onExecute) {
                l.onExecute();
              }
            }
            this.fixedtime += this.fixedtime_lapse;
            if (this.onExecuteStep) {
              this.onExecuteStep();
            }
          }
          if (this.onAfterExecute) {
            this.onAfterExecute();
          }
          this.errors_in_execution = !1;
        } catch (w) {
          this.errors_in_execution = !0;
          if (g.throw_errors) {
            throw w;
          }
          g.debug && console.log("Error during execution: " + w);
          this.stop();
        }
      }
      a = g.getTime() - d;
      0 == a && (a = 1);
      this.elapsed_time = 0.001 * a;
      this.globaltime += 0.001 * a;
      this.iteration += 1;
    }
  };
  c.prototype.updateExecutionOrder = function() {
    this._nodes_in_order = this.computeExecutionOrder(!1);
    this._nodes_executable = [];
    for (var a = 0; a < this._nodes_in_order.length; ++a) {
      this._nodes_in_order[a].onExecute && this._nodes_executable.push(this._nodes_in_order[a]);
    }
  };
  c.prototype.computeExecutionOrder = function(a) {
    for (var b = [], d = [], f = {}, t = {}, e = {}, q = 0, l = this._nodes.length; q < l; ++q) {
      var c = this._nodes[q];
      if (!a || c.onExecute) {
        f[c.id] = c;
        var k = 0;
        if (c.inputs) {
          for (var h = 0, p = c.inputs.length; h < p; h++) {
            c.inputs[h] && null != c.inputs[h].link && (k += 1);
          }
        }
        0 == k ? d.push(c) : e[c.id] = k;
      }
    }
    for (; 0 != d.length;) {
      if (c = d.shift(), b.push(c), delete f[c.id], c.outputs) {
        for (q = 0; q < c.outputs.length; q++) {
          if (a = c.outputs[q], null != a && null != a.links && 0 != a.links.length) {
            for (h = 0; h < a.links.length; h++) {
              (l = this.links[a.links[h]]) && !t[l.id] && (k = this.getNodeById(l.target_id), null == k ? t[l.id] = !0 : (t[l.id] = !0, --e[k.id], 0 == e[k.id] && d.push(k)));
            }
          }
        }
      }
    }
    for (q in f) {
      b.push(f[q]);
    }
    b.length != this._nodes.length && g.debug && console.warn("something went wrong, nodes missing");
    for (q = 0; q < b.length; ++q) {
      b[q].order = q;
    }
    return b;
  };
  c.prototype.getTime = function() {
    return this.globaltime;
  };
  c.prototype.getFixedTime = function() {
    return this.fixedtime;
  };
  c.prototype.getElapsedTime = function() {
    return this.elapsed_time;
  };
  c.prototype.sendEventToAllNodes = function(a, b, d) {
    d = d || g.ALWAYS;
    var f = this._nodes_in_order ? this._nodes_in_order : this._nodes;
    if (f) {
      for (var t = 0, e = f.length; t < e; ++t) {
        var c = f[t];
        if (c[a] && c.mode == d) {
          if (void 0 === b) {
            c[a]();
          } else {
            if (b && b.constructor === Array) {
              c[a].apply(c, b);
            } else {
              c[a](b);
            }
          }
        }
      }
    }
  };
  c.prototype.sendActionToCanvas = function(a, b) {
    if (this.list_of_graphcanvas) {
      for (var d = 0; d < this.list_of_graphcanvas.length; ++d) {
        var f = this.list_of_graphcanvas[d];
        f[a] && f[a].apply(f, b);
      }
    }
  };
  c.prototype.add = function(a, b) {
    if (a) {
      -1 != a.id && null != this._nodes_by_id[a.id] && (console.warn("LiteGraph: there is already a node with this ID, changing it"), a.id = ++this.last_node_id);
      if (this._nodes.length >= g.MAX_NUMBER_OF_NODES) {
        throw "LiteGraph: max number of nodes in a graph reached";
      }
      null == a.id || -1 == a.id ? a.id = ++this.last_node_id : this.last_node_id < a.id && (this.last_node_id = a.id);
      a.graph = this;
      this._nodes.push(a);
      this._nodes_by_id[a.id] = a;
      if (a.onAdded) {
        a.onAdded(this);
      }
      this.config.align_to_grid && a.alignToGrid();
      b || this.updateExecutionOrder();
      if (this.onNodeAdded) {
        this.onNodeAdded(a);
      }
      this.setDirtyCanvas(!0);
      this.change();
      return a;
    }
  };
  c.prototype.remove = function(a) {
    if (null != this._nodes_by_id[a.id] && !a.ignore_remove) {
      if (a.inputs) {
        for (var b = 0; b < a.inputs.length; b++) {
          var d = a.inputs[b];
          null != d.link && a.disconnectInput(b);
        }
      }
      if (a.outputs) {
        for (b = 0; b < a.outputs.length; b++) {
          d = a.outputs[b], null != d.links && d.links.length && a.disconnectOutput(b);
        }
      }
      if (a.onRemoved) {
        a.onRemoved();
      }
      a.graph = null;
      if (this.list_of_graphcanvas) {
        for (b = 0; b < this.list_of_graphcanvas.length; ++b) {
          d = this.list_of_graphcanvas[b], d.selected_nodes[a.id] && delete d.selected_nodes[a.id], d.node_dragged == a && (d.node_dragged = null);
        }
      }
      b = this._nodes.indexOf(a);
      -1 != b && this._nodes.splice(b, 1);
      delete this._nodes_by_id[a.id];
      if (this.onNodeRemoved) {
        this.onNodeRemoved(a);
      }
      this.setDirtyCanvas(!0, !0);
      this.change();
      this.updateExecutionOrder();
    }
  };
  c.prototype.getNodeById = function(a) {
    return null == a ? null : this._nodes_by_id[a];
  };
  c.prototype.findNodesByClass = function(a) {
    for (var b = [], d = 0, f = this._nodes.length; d < f; ++d) {
      this._nodes[d].constructor === a && b.push(this._nodes[d]);
    }
    return b;
  };
  c.prototype.findNodesByType = function(a) {
    a = a.toLowerCase();
    for (var b = [], d = 0, f = this._nodes.length; d < f; ++d) {
      this._nodes[d].type.toLowerCase() == a && b.push(this._nodes[d]);
    }
    return b;
  };
  c.prototype.findNodesByTitle = function(a) {
    for (var b = [], d = 0, f = this._nodes.length; d < f; ++d) {
      this._nodes[d].title == a && b.push(this._nodes[d]);
    }
    return b;
  };
  c.prototype.getNodeOnPos = function(a, b, d) {
    d = d || this._nodes;
    for (var f = d.length - 1; 0 <= f; f--) {
      var g = d[f];
      if (g.isPointInsideNode(a, b, 2)) {
        return g;
      }
    }
    return null;
  };
  c.prototype.addGlobalInput = function(a, b, d) {
    this.global_inputs[a] = {name:a, type:b, value:d};
    if (this.onGlobalInputAdded) {
      this.onGlobalInputAdded(a, b);
    }
    if (this.onGlobalsChange) {
      this.onGlobalsChange();
    }
  };
  c.prototype.setGlobalInputData = function(a, b) {
    if (a = this.global_inputs[a]) {
      a.value = b;
    }
  };
  c.prototype.getGlobalInputData = function(a) {
    return (a = this.global_inputs[a]) ? a.value : null;
  };
  c.prototype.renameGlobalInput = function(a, b) {
    if (b != a) {
      if (!this.global_inputs[a]) {
        return !1;
      }
      if (this.global_inputs[b]) {
        return console.error("there is already one input with that name"), !1;
      }
      this.global_inputs[b] = this.global_inputs[a];
      delete this.global_inputs[a];
      if (this.onGlobalInputRenamed) {
        this.onGlobalInputRenamed(a, b);
      }
      if (this.onGlobalsChange) {
        this.onGlobalsChange();
      }
    }
  };
  c.prototype.changeGlobalInputType = function(a, b) {
    if (!this.global_inputs[a]) {
      return !1;
    }
    if (this.global_inputs[a].type.toLowerCase() != b.toLowerCase() && (this.global_inputs[a].type = b, this.onGlobalInputTypeChanged)) {
      this.onGlobalInputTypeChanged(a, b);
    }
  };
  c.prototype.removeGlobalInput = function(a) {
    if (!this.global_inputs[a]) {
      return !1;
    }
    delete this.global_inputs[a];
    if (this.onGlobalInputRemoved) {
      this.onGlobalInputRemoved(a);
    }
    if (this.onGlobalsChange) {
      this.onGlobalsChange();
    }
    return !0;
  };
  c.prototype.addGlobalOutput = function(a, b, d) {
    this.global_outputs[a] = {name:a, type:b, value:d};
    if (this.onGlobalOutputAdded) {
      this.onGlobalOutputAdded(a, b);
    }
    if (this.onGlobalsChange) {
      this.onGlobalsChange();
    }
  };
  c.prototype.setGlobalOutputData = function(a, b) {
    if (a = this.global_outputs[a]) {
      a.value = b;
    }
  };
  c.prototype.getGlobalOutputData = function(a) {
    return (a = this.global_outputs[a]) ? a.value : null;
  };
  c.prototype.renameGlobalOutput = function(a, b) {
    if (!this.global_outputs[a]) {
      return !1;
    }
    if (this.global_outputs[b]) {
      return console.error("there is already one output with that name"), !1;
    }
    this.global_outputs[b] = this.global_outputs[a];
    delete this.global_outputs[a];
    if (this.onGlobalOutputRenamed) {
      this.onGlobalOutputRenamed(a, b);
    }
    if (this.onGlobalsChange) {
      this.onGlobalsChange();
    }
  };
  c.prototype.changeGlobalOutputType = function(a, b) {
    if (!this.global_outputs[a]) {
      return !1;
    }
    if (this.global_outputs[a].type.toLowerCase() != b.toLowerCase() && (this.global_outputs[a].type = b, this.onGlobalOutputTypeChanged)) {
      this.onGlobalOutputTypeChanged(a, b);
    }
  };
  c.prototype.removeGlobalOutput = function(a) {
    if (!this.global_outputs[a]) {
      return !1;
    }
    delete this.global_outputs[a];
    if (this.onGlobalOutputRemoved) {
      this.onGlobalOutputRemoved(a);
    }
    if (this.onGlobalsChange) {
      this.onGlobalsChange();
    }
    return !0;
  };
  c.prototype.setInputData = function(a, b) {
    a = this.findNodesByName(a);
    for (var d = 0, f = a.length; d < f; ++d) {
      a[d].setValue(b);
    }
  };
  c.prototype.getOutputData = function(a) {
    return this.findNodesByName(a).length ? m[0].getValue() : null;
  };
  c.prototype.triggerInput = function(a, b) {
    a = this.findNodesByName(a);
    for (var d = 0; d < a.length; ++d) {
      a[d].onTrigger(b);
    }
  };
  c.prototype.setCallback = function(a, b) {
    a = this.findNodesByName(a);
    for (var d = 0; d < a.length; ++d) {
      a[d].setTrigger(b);
    }
  };
  c.prototype.connectionChange = function(a) {
    this.updateExecutionOrder();
    if (this.onConnectionChange) {
      this.onConnectionChange(a);
    }
    this.sendActionToCanvas("onConnectionChange");
  };
  c.prototype.isLive = function() {
    if (!this.list_of_graphcanvas) {
      return !1;
    }
    for (var a = 0; a < this.list_of_graphcanvas.length; ++a) {
      if (this.list_of_graphcanvas[a].live_mode) {
        return !0;
      }
    }
    return !1;
  };
  c.prototype.change = function() {
    g.debug && console.log("Graph changed");
    this.sendActionToCanvas("setDirty", [!0, !0]);
    if (this.on_change) {
      this.on_change(this);
    }
  };
  c.prototype.setDirtyCanvas = function(a, b) {
    this.sendActionToCanvas("setDirty", [a, b]);
  };
  c.prototype.serialize = function() {
    for (var a = [], b = 0, d = this._nodes.length; b < d; ++b) {
      a.push(this._nodes[b].serialize());
    }
    d = [];
    for (b in this.links) {
      var f = this.links[b];
      d.push([f.id, f.origin_id, f.origin_slot, f.target_id, f.target_slot, f.type]);
    }
    return {iteration:this.iteration, frame:this.frame, last_node_id:this.last_node_id, last_link_id:this.last_link_id, links:d, config:this.config, nodes:a};
  };
  c.prototype.configure = function(a, b) {
    b || this.clear();
    b = a.nodes;
    if (a.links && a.links.constructor === Array) {
      for (var d = {}, f = 0; f < a.links.length; ++f) {
        var t = a.links[f];
        d[t[0]] = {id:t[0], origin_id:t[1], origin_slot:t[2], target_id:t[3], target_slot:t[4], type:t[5]};
      }
      a.links = d;
    }
    for (f in a) {
      this[f] = a[f];
    }
    a = !1;
    this._nodes = [];
    f = 0;
    for (d = b.length; f < d; ++f) {
      t = b[f];
      var e = g.createNode(t.type, t.title);
      e ? (e.id = t.id, this.add(e, !0)) : (g.debug && console.log("Node not found: " + t.type), a = !0);
    }
    f = 0;
    for (d = b.length; f < d; ++f) {
      t = b[f], (e = this.getNodeById(t.id)) && e.configure(t);
    }
    this.updateExecutionOrder();
    this.setDirtyCanvas(!0, !0);
    return a;
  };
  c.prototype.load = function(a) {
    var b = this, d = new XMLHttpRequest;
    d.open("GET", a, !0);
    d.send(null);
    d.onload = function(a) {
      200 !== d.status ? console.error("Error loading graph:", d.status, d.response) : (a = JSON.parse(d.response), b.configure(a));
    };
    d.onerror = function(a) {
      console.error("Error loading graph:", a);
    };
  };
  c.prototype.onNodeTrace = function(a, b, d) {
  };
  v.LGraphNode = g.LGraphNode = h;
  h.prototype._ctor = function(a) {
    this.title = a || "Unnamed";
    this.size = [g.NODE_WIDTH, 60];
    this.graph = null;
    this._pos = new Float32Array(10, 10);
    Object.defineProperty(this, "pos", {set:function(a) {
      !a || 2 > !a.length || (this._pos[0] = a[0], this._pos[1] = a[1]);
    }, get:function() {
      return this._pos;
    }, enumerable:!0});
    this.id = -1;
    this.type = null;
    this.inputs = [];
    this.outputs = [];
    this.connections = [];
    this.properties = {};
    this.properties_info = [];
    this.data = null;
    this.flags = {};
  };
  h.prototype.configure = function(a) {
    for (var b in a) {
      if ("console" != b) {
        if ("properties" == b) {
          for (var d in a.properties) {
            if (this.properties[d] = a.properties[d], this.onPropertyChanged) {
              this.onPropertyChanged(d, a.properties[d]);
            }
          }
        } else {
          null != a[b] && ("object" == typeof a[b] ? this[b] && this[b].configure ? this[b].configure(a[b]) : this[b] = g.cloneObject(a[b], this[b]) : this[b] = a[b]);
        }
      }
    }
    if (this.onConnectionsChange) {
      if (this.inputs) {
        for (var f = 0; f < this.inputs.length; ++f) {
          d = this.inputs[f];
          var t = this.graph.links[d.link];
          this.onConnectionsChange(g.INPUT, f, !0, t, d);
        }
      }
      if (this.outputs) {
        for (f = 0; f < this.outputs.length; ++f) {
          if (d = this.outputs[f], d.links) {
            for (b = 0; b < d.links.length; ++b) {
              t = this.graph.links[d.links[b]], this.onConnectionsChange(g.OUTPUT, f, !0, t, d);
            }
          }
        }
      }
    }
    for (f in this.inputs) {
      d = this.inputs[f], d.link && d.link.length && (t = d.link, "object" == typeof t && (d.link = t[0], this.graph.links[t[0]] = {id:t[0], origin_id:t[1], origin_slot:t[2], target_id:t[3], target_slot:t[4]}));
    }
    for (f in this.outputs) {
      if (d = this.outputs[f], d.links && 0 != d.links.length) {
        for (b in d.links) {
          t = d.links[b], "object" == typeof t && (d.links[b] = t[0]);
        }
      }
    }
    if (this.onConfigure) {
      this.onConfigure(a);
    }
  };
  h.prototype.serialize = function() {
    if (this.outputs) {
      for (var a = 0; a < this.outputs.length; a++) {
        delete this.outputs[a]._data;
      }
    }
    a = {id:this.id, title:this.title, type:this.type, pos:this.pos, size:this.size, data:this.data, flags:g.cloneObject(this.flags), inputs:this.inputs, outputs:this.outputs, mode:this.mode};
    this.properties && (a.properties = g.cloneObject(this.properties));
    a.type || (a.type = this.constructor.type);
    this.color && (a.color = this.color);
    this.bgcolor && (a.bgcolor = this.bgcolor);
    this.boxcolor && (a.boxcolor = this.boxcolor);
    this.shape && (a.shape = this.shape);
    if (this.onSerialize) {
      this.onSerialize(a);
    }
    return a;
  };
  h.prototype.clone = function() {
    var a = g.createNode(this.type), b = g.cloneObject(this.serialize());
    if (b.inputs) {
      for (var d = 0; d < b.inputs.length; ++d) {
        b.inputs[d].link = null;
      }
    }
    if (b.outputs) {
      for (d = 0; d < b.outputs.length; ++d) {
        b.outputs[d].links && (b.outputs[d].links.length = 0);
      }
    }
    delete b.id;
    a.configure(b);
    return a;
  };
  h.prototype.toString = function() {
    return JSON.stringify(this.serialize());
  };
  h.prototype.getTitle = function() {
    return this.title || this.constructor.title;
  };
  h.prototype.setOutputData = function(a, b) {
    if (this.outputs && !(-1 == a || a >= this.outputs.length)) {
      var d = this.outputs[a];
      if (d && (d._data = b, this.outputs[a].links)) {
        for (d = 0; d < this.outputs[a].links.length; d++) {
          this.graph.links[this.outputs[a].links[d]].data = b;
        }
      }
    }
  };
  h.prototype.getInputData = function(a, b) {
    if (this.inputs && !(a >= this.inputs.length || null == this.inputs[a].link)) {
      a = this.graph.links[this.inputs[a].link];
      if (!a) {
        return null;
      }
      if (!b) {
        return a.data;
      }
      b = this.graph.getNodeById(a.origin_id);
      if (!b) {
        return a.data;
      }
      if (b.updateOutputData) {
        b.updateOutputData(a.origin_slot);
      } else {
        if (b.onExecute) {
          b.onExecute();
        }
      }
      return a.data;
    }
  };
  h.prototype.isInputConnected = function(a) {
    return this.inputs ? a < this.inputs.length && null != this.inputs[a].link : !1;
  };
  h.prototype.getInputInfo = function(a) {
    return this.inputs ? a < this.inputs.length ? this.inputs[a] : null : null;
  };
  h.prototype.getInputNode = function(a) {
    if (!this.inputs || a >= this.inputs.length) {
      return null;
    }
    a = this.inputs[a];
    return a && a.link ? (a = this.graph.links[a.link]) ? this.graph.getNodeById(a.origin_id) : null : null;
  };
  h.prototype.getOutputData = function(a) {
    return !this.outputs || a >= this.outputs.length ? null : this.outputs[a]._data;
  };
  h.prototype.getOutputInfo = function(a) {
    return this.outputs ? a < this.outputs.length ? this.outputs[a] : null : null;
  };
  h.prototype.isOutputConnected = function(a) {
    return this.outputs ? a < this.outputs.length && this.outputs[a].links && this.outputs[a].links.length : null;
  };
  h.prototype.getOutputNodes = function(a) {
    if (!this.outputs || 0 == this.outputs.length || a >= this.outputs.length) {
      return null;
    }
    a = this.outputs[a];
    if (!a.links || 0 == a.links.length) {
      return null;
    }
    for (var b = [], d = 0; d < a.links.length; d++) {
      var f = this.graph.links[a.links[d]];
      f && (f = this.graph.getNodeById(f.target_id)) && b.push(f);
    }
    return b;
  };
  h.prototype.trigger = function(a, b) {
    if (this.outputs && this.outputs.length) {
      this.graph && (this.graph._last_trigger_time = g.getTime());
      for (var d = 0; d < this.outputs.length; ++d) {
        var f = this.outputs[d];
        !f || f.type !== g.EVENT || a && f.name != a || this.triggerSlot(d, b);
      }
    }
  };
  h.prototype.triggerSlot = function(a, b) {
    if (this.outputs && (a = this.outputs[a]) && (a = a.links) && a.length) {
      this.graph && (this.graph._last_trigger_time = g.getTime());
      for (var d = 0; d < a.length; ++d) {
        var f = this.graph.links[a[d]];
        if (f) {
          var t = this.graph.getNodeById(f.target_id);
          if (t) {
            if (f._last_time = g.getTime(), f = t.inputs[f.target_slot], t.onAction) {
              t.onAction(f.name, b);
            } else {
              if (t.mode === g.ON_TRIGGER && t.onExecute) {
                t.onExecute(b);
              }
            }
          }
        }
      }
    }
  };
  h.prototype.addProperty = function(a, b, d, f) {
    d = {name:a, type:d, default_value:b};
    if (f) {
      for (var g in f) {
        d[g] = f[g];
      }
    }
    this.properties_info || (this.properties_info = []);
    this.properties_info.push(d);
    this.properties || (this.properties = {});
    this.properties[a] = b;
    return d;
  };
  h.prototype.addOutput = function(a, b, d) {
    a = {name:a, type:b, links:null};
    if (d) {
      for (var f in d) {
        a[f] = d[f];
      }
    }
    this.outputs || (this.outputs = []);
    this.outputs.push(a);
    if (this.onOutputAdded) {
      this.onOutputAdded(a);
    }
    this.size = this.computeSize();
    return a;
  };
  h.prototype.addOutputs = function(a) {
    for (var b = 0; b < a.length; ++b) {
      var d = a[b], f = {name:d[0], type:d[1], link:null};
      if (a[2]) {
        for (var g in d[2]) {
          f[g] = d[2][g];
        }
      }
      this.outputs || (this.outputs = []);
      this.outputs.push(f);
      if (this.onOutputAdded) {
        this.onOutputAdded(f);
      }
    }
    this.size = this.computeSize();
  };
  h.prototype.removeOutput = function(a) {
    this.disconnectOutput(a);
    this.outputs.splice(a, 1);
    this.size = this.computeSize();
    if (this.onOutputRemoved) {
      this.onOutputRemoved(a);
    }
  };
  h.prototype.addInput = function(a, b, d) {
    a = {name:a, type:b || 0, link:null};
    if (d) {
      for (var f in d) {
        a[f] = d[f];
      }
    }
    this.inputs || (this.inputs = []);
    this.inputs.push(a);
    this.size = this.computeSize();
    if (this.onInputAdded) {
      this.onInputAdded(a);
    }
    return a;
  };
  h.prototype.addInputs = function(a) {
    for (var b = 0; b < a.length; ++b) {
      var d = a[b], f = {name:d[0], type:d[1], link:null};
      if (a[2]) {
        for (var g in d[2]) {
          f[g] = d[2][g];
        }
      }
      this.inputs || (this.inputs = []);
      this.inputs.push(f);
      if (this.onInputAdded) {
        this.onInputAdded(f);
      }
    }
    this.size = this.computeSize();
  };
  h.prototype.removeInput = function(a) {
    this.disconnectInput(a);
    this.inputs.splice(a, 1);
    this.size = this.computeSize();
    if (this.onInputRemoved) {
      this.onInputRemoved(a);
    }
  };
  h.prototype.addConnection = function(a, b, d, f) {
    a = {name:a, type:b, pos:d, direction:f, links:null};
    this.connections.push(a);
    return a;
  };
  h.prototype.computeSize = function(a, b) {
    a = Math.max(this.inputs ? this.inputs.length : 1, this.outputs ? this.outputs.length : 1);
    b = b || new Float32Array([0, 0]);
    a = Math.max(a, 1);
    b[1] = 14 * a + 6;
    a = (a = this.title) ? 8.4 * a.length : 0;
    var d = 0, f = 0;
    if (this.inputs) {
      for (var t = 0, e = this.inputs.length; t < e; ++t) {
        var c = this.inputs[t];
        c = (c = c.label || c.name || "") ? 8.4 * c.length : 0;
        d < c && (d = c);
      }
    }
    if (this.outputs) {
      for (t = 0, e = this.outputs.length; t < e; ++t) {
        c = this.outputs[t], c = (c = c.label || c.name || "") ? 8.4 * c.length : 0, f < c && (f = c);
      }
    }
    b[0] = Math.max(d + f + 10, a);
    b[0] = Math.max(b[0], g.NODE_WIDTH);
    return b;
  };
  h.prototype.getBounding = function(a) {
    a = a || new Float32Array(4);
    a[0] = this.pos[0] - 4;
    a[1] = this.pos[1] - g.NODE_TITLE_HEIGHT;
    a[2] = this.pos[0] + this.size[0] + 4;
    a[3] = this.pos[1] + this.size[1] + c.NODE_TITLE_HEIGHT;
    return a;
  };
  h.prototype.isPointInsideNode = function(a, b, d) {
    d = d || 0;
    var f = this.graph && this.graph.isLive() ? 0 : 20;
    if (this.flags.collapsed) {
      if (n(a, b, this.pos[0] - d, this.pos[1] - g.NODE_TITLE_HEIGHT - d, g.NODE_COLLAPSED_WIDTH + 2 * d, g.NODE_TITLE_HEIGHT + 2 * d)) {
        return !0;
      }
    } else {
      if (this.pos[0] - 4 - d < a && this.pos[0] + this.size[0] + 4 + d > a && this.pos[1] - f - d < b && this.pos[1] + this.size[1] + d > b) {
        return !0;
      }
    }
    return !1;
  };
  h.prototype.getSlotInPosition = function(a, b) {
    if (this.inputs) {
      for (var d = 0, f = this.inputs.length; d < f; ++d) {
        var g = this.inputs[d], e = this.getConnectionPos(!0, d);
        if (n(a, b, e[0] - 10, e[1] - 5, 20, 10)) {
          return {input:g, slot:d, link_pos:e, locked:g.locked};
        }
      }
    }
    if (this.outputs) {
      for (d = 0, f = this.outputs.length; d < f; ++d) {
        if (g = this.outputs[d], e = this.getConnectionPos(!1, d), n(a, b, e[0] - 10, e[1] - 5, 20, 10)) {
          return {output:g, slot:d, link_pos:e, locked:g.locked};
        }
      }
    }
    return null;
  };
  h.prototype.findInputSlot = function(a) {
    if (!this.inputs) {
      return -1;
    }
    for (var b = 0, d = this.inputs.length; b < d; ++b) {
      if (a == this.inputs[b].name) {
        return b;
      }
    }
    return -1;
  };
  h.prototype.findOutputSlot = function(a) {
    if (!this.outputs) {
      return -1;
    }
    for (var b = 0, d = this.outputs.length; b < d; ++b) {
      if (a == this.outputs[b].name) {
        return b;
      }
    }
    return -1;
  };
  h.prototype.connect = function(a, b, d) {
    d = d || 0;
    if (a.constructor === String) {
      if (a = this.findOutputSlot(a), -1 == a) {
        return g.debug && console.log("Connect: Error, no slot of name " + a), !1;
      }
    } else {
      if (!this.outputs || a >= this.outputs.length) {
        return g.debug && console.log("Connect: Error, slot number not found"), !1;
      }
    }
    b && b.constructor === Number && (b = this.graph.getNodeById(b));
    if (!b) {
      throw "Node not found";
    }
    if (b == this) {
      return !1;
    }
    if (d.constructor === String) {
      if (d = b.findInputSlot(d), -1 == d) {
        return g.debug && console.log("Connect: Error, no slot of name " + d), !1;
      }
    } else {
      if (d === g.EVENT) {
        return !1;
      }
      if (!b.inputs || d >= b.inputs.length) {
        return g.debug && console.log("Connect: Error, slot number not found"), !1;
      }
    }
    null != b.inputs[d].link && b.disconnectInput(d);
    this.setDirtyCanvas(!1, !0);
    this.graph.connectionChange(this);
    var f = this.outputs[a];
    if (b.onConnectInput && !1 === b.onConnectInput(d, f.type, f)) {
      return !1;
    }
    var e = b.inputs[d];
    if (g.isValidConnection(f.type, e.type)) {
      var c = {id:this.graph.last_link_id++, type:e.type, origin_id:this.id, origin_slot:a, target_id:b.id, target_slot:d};
      this.graph.links[c.id] = c;
      null == f.links && (f.links = []);
      f.links.push(c.id);
      b.inputs[d].link = c.id;
      if (this.onConnectionsChange) {
        this.onConnectionsChange(g.OUTPUT, a, !0, c, f);
      }
      if (b.onConnectionsChange) {
        b.onConnectionsChange(g.INPUT, d, !0, c, e);
      }
    }
    this.setDirtyCanvas(!1, !0);
    this.graph.connectionChange(this);
    return !0;
  };
  h.prototype.disconnectOutput = function(a, b) {
    if (a.constructor === String) {
      if (a = this.findOutputSlot(a), -1 == a) {
        return g.debug && console.log("Connect: Error, no slot of name " + a), !1;
      }
    } else {
      if (!this.outputs || a >= this.outputs.length) {
        return g.debug && console.log("Connect: Error, slot number not found"), !1;
      }
    }
    var d = this.outputs[a];
    if (!d.links || 0 == d.links.length) {
      return !1;
    }
    if (b) {
      b.constructor === Number && (b = this.graph.getNodeById(b));
      if (!b) {
        throw "Target Node not found";
      }
      for (var f = 0, e = d.links.length; f < e; f++) {
        var c = d.links[f], k = this.graph.links[c];
        if (k.target_id == b.id) {
          d.links.splice(f, 1);
          var l = b.inputs[k.target_slot];
          l.link = null;
          delete this.graph.links[c];
          if (b.onConnectionsChange) {
            b.onConnectionsChange(g.INPUT, k.target_slot, !1, k, l);
          }
          if (this.onConnectionsChange) {
            this.onConnectionsChange(g.OUTPUT, a, !1, k, d);
          }
          break;
        }
      }
    } else {
      f = 0;
      for (e = d.links.length; f < e; f++) {
        if (c = d.links[f], k = this.graph.links[c]) {
          if (b = this.graph.getNodeById(k.target_id)) {
            if (l = b.inputs[k.target_slot], l.link = null, b.onConnectionsChange) {
              b.onConnectionsChange(g.INPUT, k.target_slot, !1, k, l);
            }
          }
          delete this.graph.links[c];
          if (this.onConnectionsChange) {
            this.onConnectionsChange(g.OUTPUT, a, !1, k, d);
          }
        }
      }
      d.links = null;
    }
    this.setDirtyCanvas(!1, !0);
    this.graph.connectionChange(this);
    return !0;
  };
  h.prototype.disconnectInput = function(a) {
    if (a.constructor === String) {
      if (a = this.findInputSlot(a), -1 == a) {
        return g.debug && console.log("Connect: Error, no slot of name " + a), !1;
      }
    } else {
      if (!this.inputs || a >= this.inputs.length) {
        return g.debug && console.log("Connect: Error, slot number not found"), !1;
      }
    }
    var b = this.inputs[a];
    if (!b) {
      return !1;
    }
    var d = this.inputs[a].link;
    this.inputs[a].link = null;
    var f = this.graph.links[d];
    if (f) {
      var e = this.graph.getNodeById(f.origin_id);
      if (!e) {
        return !1;
      }
      var c = e.outputs[f.origin_slot];
      if (!c || !c.links || 0 == c.links.length) {
        return !1;
      }
      for (var k = 0, l = c.links.length; k < l; k++) {
        if (d = c.links[k], f.target_id == this.id) {
          c.links.splice(k, 1);
          break;
        }
      }
      delete this.graph.links[d];
      if (this.onConnectionsChange) {
        this.onConnectionsChange(g.INPUT, a, !1, f, b);
      }
      if (e.onConnectionsChange) {
        e.onConnectionsChange(g.OUTPUT, k, !1, f, c);
      }
    }
    this.setDirtyCanvas(!1, !0);
    this.graph.connectionChange(this);
    return !0;
  };
  h.prototype.getConnectionPos = function(a, b) {
    return this.flags.collapsed ? a ? [this.pos[0], this.pos[1] - 0.5 * g.NODE_TITLE_HEIGHT] : [this.pos[0] + g.NODE_COLLAPSED_WIDTH, this.pos[1] - 0.5 * g.NODE_TITLE_HEIGHT] : a && -1 == b ? [this.pos[0] + 10, this.pos[1] + 10] : a && this.inputs.length > b && this.inputs[b].pos ? [this.pos[0] + this.inputs[b].pos[0], this.pos[1] + this.inputs[b].pos[1]] : !a && this.outputs.length > b && this.outputs[b].pos ? [this.pos[0] + this.outputs[b].pos[0], this.pos[1] + this.outputs[b].pos[1]] : a ? [this.pos[0], 
    this.pos[1] + 10 + b * g.NODE_SLOT_HEIGHT] : [this.pos[0] + this.size[0] + 1, this.pos[1] + 10 + b * g.NODE_SLOT_HEIGHT];
  };
  h.prototype.alignToGrid = function() {
    this.pos[0] = g.CANVAS_GRID_SIZE * Math.round(this.pos[0] / g.CANVAS_GRID_SIZE);
    this.pos[1] = g.CANVAS_GRID_SIZE * Math.round(this.pos[1] / g.CANVAS_GRID_SIZE);
  };
  h.prototype.trace = function(a) {
    this.console || (this.console = []);
    this.console.push(a);
    this.console.length > h.MAX_CONSOLE && this.console.shift();
    this.graph.onNodeTrace(this, a);
  };
  h.prototype.setDirtyCanvas = function(a, b) {
    this.graph && this.graph.sendActionToCanvas("setDirty", [a, b]);
  };
  h.prototype.loadImage = function(a) {
    var b = new Image;
    b.src = g.node_images_path + a;
    b.ready = !1;
    var d = this;
    b.onload = function() {
      this.ready = !0;
      d.setDirtyCanvas(!0);
    };
    return b;
  };
  h.prototype.captureInput = function(a) {
    if (this.graph && this.graph.list_of_graphcanvas) {
      for (var b = this.graph.list_of_graphcanvas, d = 0; d < b.length; ++d) {
        var f = b[d];
        if (a || f.node_capturing_input == this) {
          f.node_capturing_input = a ? this : null;
        }
      }
    }
  };
  h.prototype.collapse = function() {
    this.flags.collapsed = this.flags.collapsed ? !1 : !0;
    this.setDirtyCanvas(!0, !0);
  };
  h.prototype.pin = function(a) {
    this.flags.pinned = void 0 === a ? !this.flags.pinned : a;
  };
  h.prototype.localToScreen = function(a, b, d) {
    return [(a + this.pos[0]) * d.scale + d.offset[0], (b + this.pos[1]) * d.scale + d.offset[1]];
  };
  v.LGraphCanvas = g.LGraphCanvas = e;
  e.link_type_colors = {"-1":"#F85", number:"#AAC", node:"#DCA"};
  e.prototype.clear = function() {
    this.fps = this.render_time = this.last_draw_time = this.frame = 0;
    this.scale = 1;
    this.offset = [0, 0];
    this.selected_nodes = {};
    this.connecting_node = this.node_capturing_input = this.node_over = this.node_dragged = null;
    this.dirty_bgcanvas = this.dirty_canvas = !0;
    this.node_in_panel = this.dirty_area = null;
    this.last_mouse = [0, 0];
    this.last_mouseclick = 0;
    if (this.onClear) {
      this.onClear();
    }
  };
  e.prototype.setGraph = function(a, b) {
    this.graph != a && (b || this.clear(), !a && this.graph ? this.graph.detachCanvas(this) : (a.attachCanvas(this), this.setDirty(!0, !0)));
  };
  e.prototype.openSubgraph = function(a) {
    if (!a) {
      throw "graph cannot be null";
    }
    if (this.graph == a) {
      throw "graph cannot be the same";
    }
    this.clear();
    this.graph && (this._graph_stack || (this._graph_stack = []), this._graph_stack.push(this.graph));
    a.attachCanvas(this);
    this.setDirty(!0, !0);
  };
  e.prototype.closeSubgraph = function() {
    if (this._graph_stack && 0 != this._graph_stack.length) {
      var a = this._graph_stack.pop();
      this.selected_nodes = {};
      a.attachCanvas(this);
      this.setDirty(!0, !0);
    }
  };
  e.prototype.setCanvas = function(a, b) {
    if (a && a.constructor === String && (a = document.getElementById(a), !a)) {
      throw "Error creating LiteGraph canvas: Canvas not found";
    }
    if (a !== this.canvas && (!a && this.canvas && (b || this.unbindEvents()), this.canvas = a)) {
      a.className += " lgraphcanvas";
      a.data = this;
      this.bgcanvas = null;
      this.bgcanvas || (this.bgcanvas = document.createElement("canvas"), this.bgcanvas.width = this.canvas.width, this.bgcanvas.height = this.canvas.height);
      if (null == a.getContext) {
        if ("canvas" != a.localName) {
          throw "Element supplied for LGraphCanvas must be a <canvas> element, you passed a " + a.localName;
        }
        throw "This browser doesnt support Canvas";
      }
      null == (this.ctx = a.getContext("2d")) && (console.warn("This canvas seems to be WebGL, enabling WebGL renderer"), this.enableWebGL());
      this._mousemove_callback = this.processMouseMove.bind(this);
      this._mouseup_callback = this.processMouseUp.bind(this);
      b || this.bindEvents();
    }
  };
  e.prototype._doNothing = function(a) {
    a.preventDefault();
    return !1;
  };
  e.prototype._doReturnTrue = function(a) {
    a.preventDefault();
    return !0;
  };
  e.prototype.bindEvents = function() {
    if (this._events_binded) {
      console.warn("LGraphCanvas: events already binded");
    } else {
      var a = this.canvas;
      this._mousedown_callback = this.processMouseDown.bind(this);
      this._mousewheel_callback = this.processMouseWheel.bind(this);
      a.addEventListener("mousedown", this._mousedown_callback, !0);
      a.addEventListener("mousemove", this._mousemove_callback);
      a.addEventListener("mousewheel", this._mousewheel_callback, !1);
      a.addEventListener("contextmenu", this._doNothing);
      a.addEventListener("DOMMouseScroll", this._mousewheel_callback, !1);
      a.addEventListener("touchstart", this.touchHandler, !0);
      a.addEventListener("touchmove", this.touchHandler, !0);
      a.addEventListener("touchend", this.touchHandler, !0);
      a.addEventListener("touchcancel", this.touchHandler, !0);
      this._key_callback = this.processKey.bind(this);
      a.addEventListener("keydown", this._key_callback);
      a.addEventListener("keyup", this._key_callback);
      this._ondrop_callback = this.processDrop.bind(this);
      a.addEventListener("dragover", this._doNothing, !1);
      a.addEventListener("dragend", this._doNothing, !1);
      a.addEventListener("drop", this._ondrop_callback, !1);
      a.addEventListener("dragenter", this._doReturnTrue, !1);
      this._events_binded = !0;
    }
  };
  e.prototype.unbindEvents = function() {
    this._events_binded ? (this.canvas.removeEventListener("mousedown", this._mousedown_callback), this.canvas.removeEventListener("mousewheel", this._mousewheel_callback), this.canvas.removeEventListener("DOMMouseScroll", this._mousewheel_callback), this.canvas.removeEventListener("keydown", this._key_callback), this.canvas.removeEventListener("keyup", this._key_callback), this.canvas.removeEventListener("contextmenu", this._doNothing), this.canvas.removeEventListener("drop", this._ondrop_callback), 
    this.canvas.removeEventListener("dragenter", this._doReturnTrue), this.canvas.removeEventListener("touchstart", this.touchHandler), this.canvas.removeEventListener("touchmove", this.touchHandler), this.canvas.removeEventListener("touchend", this.touchHandler), this.canvas.removeEventListener("touchcancel", this.touchHandler), this._ondrop_callback = this._key_callback = this._mousewheel_callback = this._mousedown_callback = null, this._events_binded = !1) : console.warn("LGraphCanvas: no events binded");
  };
  e.getFileExtension = function(a) {
    var b = a.indexOf("?");
    -1 != b && (a = a.substr(0, b));
    b = a.lastIndexOf(".");
    return -1 == b ? "" : a.substr(b + 1).toLowerCase();
  };
  e.prototype.enableWebGL = function() {
    this.gl = this.ctx = enableWebGLCanvas(this.canvas);
    this.ctx.webgl = !0;
    this.bgcanvas = this.canvas;
    this.bgctx = this.gl;
  };
  e.prototype.setDirty = function(a, b) {
    a && (this.dirty_canvas = !0);
    b && (this.dirty_bgcanvas = !0);
  };
  e.prototype.getCanvasWindow = function() {
    if (!this.canvas) {
      return window;
    }
    var a = this.canvas.ownerDocument;
    return a.defaultView || a.parentWindow;
  };
  e.prototype.startRendering = function() {
    function a() {
      this.pause_rendering || this.draw();
      var b = this.getCanvasWindow();
      this.is_rendering && b.requestAnimationFrame(a.bind(this));
    }
    this.is_rendering || (this.is_rendering = !0, a.call(this));
  };
  e.prototype.stopRendering = function() {
    this.is_rendering = !1;
  };
  e.prototype.processMouseDown = function(a) {
    if (this.graph) {
      this.adjustMouseEvent(a);
      var b = this.getCanvasWindow();
      e.active_canvas = this;
      this.canvas.removeEventListener("mousemove", this._mousemove_callback);
      b.document.addEventListener("mousemove", this._mousemove_callback, !0);
      b.document.addEventListener("mouseup", this._mouseup_callback, !0);
      var d = this.graph.getNodeOnPos(a.canvasX, a.canvasY, this.visible_nodes);
      g.closeAllContextMenus(b);
      if (1 == a.which) {
        if (!(a.shiftKey || d && this.selected_nodes[d.id])) {
          var f = [];
          for (k in this.selected_nodes) {
            this.selected_nodes[k] != d && f.push(this.selected_nodes[k]);
          }
          for (k in f) {
            this.processNodeDeselected(f[k]);
          }
        }
        f = !1;
        if (d && this.allow_interaction) {
          this.live_mode || d.flags.pinned || this.bringToFront(d);
          var c = !1;
          if (!this.connecting_node && !d.flags.collapsed && !this.live_mode) {
            if (d.outputs) {
              var k = 0;
              for (var q = d.outputs.length; k < q; ++k) {
                var l = d.outputs[k], w = d.getConnectionPos(!1, k);
                if (n(a.canvasX, a.canvasY, w[0] - 10, w[1] - 5, 20, 10)) {
                  this.connecting_node = d;
                  this.connecting_output = l;
                  this.connecting_pos = d.getConnectionPos(!1, k);
                  this.connecting_slot = k;
                  c = !0;
                  break;
                }
              }
            }
            if (d.inputs) {
              for (k = 0, q = d.inputs.length; k < q; ++k) {
                l = d.inputs[k], w = d.getConnectionPos(!0, k), n(a.canvasX, a.canvasY, w[0] - 10, w[1] - 5, 20, 10) && null !== l.link && (d.disconnectInput(k), c = this.dirty_bgcanvas = !0);
              }
            }
            !c && n(a.canvasX, a.canvasY, d.pos[0] + d.size[0] - 5, d.pos[1] + d.size[1] - 5, 5, 5) && (this.resizing_node = d, this.canvas.style.cursor = "se-resize", c = !0);
          }
          !c && n(a.canvasX, a.canvasY, d.pos[0], d.pos[1] - g.NODE_TITLE_HEIGHT, g.NODE_TITLE_HEIGHT, g.NODE_TITLE_HEIGHT) && (d.collapse(), c = !0);
          if (!c) {
            k = !1;
            if (300 > g.getTime() - this.last_mouseclick && this.selected_nodes[d.id]) {
              if (d.onDblClick) {
                d.onDblClick(a);
              }
              this.processNodeDblClicked(d);
              k = !0;
            }
            d.onMouseDown && d.onMouseDown(a, [a.canvasX - d.pos[0], a.canvasY - d.pos[1]]) ? k = !0 : this.live_mode && (k = f = !0);
            k || (this.allow_dragnodes && (this.node_dragged = d), this.selected_nodes[d.id] || this.processNodeSelected(d, a));
            this.dirty_canvas = !0;
          }
        } else {
          f = !0;
        }
        f && this.allow_dragcanvas && (this.dragging_canvas = !0);
      } else {
        2 != a.which && 3 == a.which && this.processContextMenu(d, a);
      }
      this.last_mouse[0] = a.localX;
      this.last_mouse[1] = a.localY;
      this.last_mouseclick = g.getTime();
      this.canvas_mouse = [a.canvasX, a.canvasY];
      this.graph.change();
      (!b.document.activeElement || "input" != b.document.activeElement.nodeName.toLowerCase() && "textarea" != b.document.activeElement.nodeName.toLowerCase()) && a.preventDefault();
      a.stopPropagation();
      if (this.onMouseDown) {
        this.onMouseDown(a);
      }
      return !1;
    }
  };
  e.prototype.processMouseMove = function(a) {
    this.autoresize && this.resize();
    if (this.graph) {
      e.active_canvas = this;
      this.adjustMouseEvent(a);
      var b = [a.localX, a.localY], d = [b[0] - this.last_mouse[0], b[1] - this.last_mouse[1]];
      this.last_mouse = b;
      this.canvas_mouse = [a.canvasX, a.canvasY];
      if (this.dragging_canvas) {
        this.offset[0] += d[0] / this.scale, this.offset[1] += d[1] / this.scale, this.dirty_bgcanvas = this.dirty_canvas = !0;
      } else {
        if (this.allow_interaction) {
          this.connecting_node && (this.dirty_canvas = !0);
          b = this.graph.getNodeOnPos(a.canvasX, a.canvasY, this.visible_nodes);
          for (var f = 0, c = this.graph._nodes.length; f < c; ++f) {
            if (this.graph._nodes[f].mouseOver && b != this.graph._nodes[f]) {
              this.graph._nodes[f].mouseOver = !1;
              if (this.node_over && this.node_over.onMouseLeave) {
                this.node_over.onMouseLeave(a);
              }
              this.node_over = null;
              this.dirty_canvas = !0;
            }
          }
          if (b) {
            if (!b.mouseOver && (b.mouseOver = !0, this.node_over = b, this.dirty_canvas = !0, b.onMouseEnter)) {
              b.onMouseEnter(a);
            }
            if (b.onMouseMove) {
              b.onMouseMove(a);
            }
            if (this.connecting_node && (c = this._highlight_input || [0, 0], !this.isOverNodeBox(b, a.canvasX, a.canvasY))) {
              var k = this.isOverNodeInput(b, a.canvasX, a.canvasY, c);
              -1 != k && b.inputs[k] ? g.isValidConnection(this.connecting_output.type, b.inputs[k].type) && (this._highlight_input = c) : this._highlight_input = null;
            }
            n(a.canvasX, a.canvasY, b.pos[0] + b.size[0] - 5, b.pos[1] + b.size[1] - 5, 5, 5) ? this.canvas.style.cursor = "se-resize" : this.canvas.style.cursor = null;
          } else {
            this.canvas.style.cursor = null;
          }
          if (this.node_capturing_input && this.node_capturing_input != b && this.node_capturing_input.onMouseMove) {
            this.node_capturing_input.onMouseMove(a);
          }
          if (this.node_dragged && !this.live_mode) {
            for (f in this.selected_nodes) {
              b = this.selected_nodes[f], b.pos[0] += d[0] / this.scale, b.pos[1] += d[1] / this.scale;
            }
            this.dirty_bgcanvas = this.dirty_canvas = !0;
          }
          this.resizing_node && !this.live_mode && (this.resizing_node.size[0] += d[0] / this.scale, this.resizing_node.size[1] += d[1] / this.scale, d = Math.max(this.resizing_node.inputs ? this.resizing_node.inputs.length : 0, this.resizing_node.outputs ? this.resizing_node.outputs.length : 0), this.resizing_node.size[1] < d * g.NODE_SLOT_HEIGHT + 4 && (this.resizing_node.size[1] = d * g.NODE_SLOT_HEIGHT + 4), this.resizing_node.size[0] < g.NODE_MIN_WIDTH && (this.resizing_node.size[0] = g.NODE_MIN_WIDTH), 
          this.canvas.style.cursor = "se-resize", this.dirty_bgcanvas = this.dirty_canvas = !0);
        }
      }
      a.preventDefault();
      return !1;
    }
  };
  e.prototype.processMouseUp = function(a) {
    if (this.graph) {
      var b = this.getCanvasWindow().document;
      e.active_canvas = this;
      b.removeEventListener("mousemove", this._mousemove_callback, !0);
      this.canvas.addEventListener("mousemove", this._mousemove_callback, !0);
      b.removeEventListener("mouseup", this._mouseup_callback, !0);
      this.adjustMouseEvent(a);
      if (1 == a.which) {
        if (this.connecting_node) {
          this.dirty_bgcanvas = this.dirty_canvas = !0;
          if (b = this.graph.getNodeOnPos(a.canvasX, a.canvasY, this.visible_nodes)) {
            if (this.connecting_output.type == g.EVENT && this.isOverNodeBox(b, a.canvasX, a.canvasY)) {
              this.connecting_node.connect(this.connecting_slot, b, g.EVENT);
            } else {
              var d = this.isOverNodeInput(b, a.canvasX, a.canvasY);
              -1 != d ? this.connecting_node.connect(this.connecting_slot, b, d) : (d = b.getInputInfo(0), this.connecting_output.type == g.EVENT ? this.connecting_node.connect(this.connecting_slot, b, g.EVENT) : d && !d.link && d.type == this.connecting_output.type && this.connecting_node.connect(this.connecting_slot, b, 0));
            }
          }
          this.connecting_node = this.connecting_pos = this.connecting_output = null;
          this.connecting_slot = -1;
        } else {
          if (this.resizing_node) {
            this.dirty_bgcanvas = this.dirty_canvas = !0, this.resizing_node = null;
          } else {
            if (this.node_dragged) {
              this.dirty_bgcanvas = this.dirty_canvas = !0, this.node_dragged.pos[0] = Math.round(this.node_dragged.pos[0]), this.node_dragged.pos[1] = Math.round(this.node_dragged.pos[1]), this.graph.config.align_to_grid && this.node_dragged.alignToGrid(), this.node_dragged = null;
            } else {
              this.dirty_canvas = !0;
              this.dragging_canvas = !1;
              if (this.node_over && this.node_over.onMouseUp) {
                this.node_over.onMouseUp(a, [a.canvasX - this.node_over.pos[0], a.canvasY - this.node_over.pos[1]]);
              }
              if (this.node_capturing_input && this.node_capturing_input.onMouseUp) {
                this.node_capturing_input.onMouseUp(a, [a.canvasX - this.node_capturing_input.pos[0], a.canvasY - this.node_capturing_input.pos[1]]);
              }
            }
          }
        }
      } else {
        2 == a.which ? (this.dirty_canvas = !0, this.dragging_canvas = !1) : 3 == a.which && (this.dirty_canvas = !0, this.dragging_canvas = !1);
      }
      this.graph.change();
      a.stopPropagation();
      a.preventDefault();
      return !1;
    }
  };
  e.prototype.processMouseWheel = function(a) {
    if (this.graph && this.allow_dragcanvas) {
      var b = null != a.wheelDeltaY ? a.wheelDeltaY : -60 * a.detail;
      this.adjustMouseEvent(a);
      var d = this.scale;
      0 < b ? d *= 1.1 : 0 > b && (d *= 1 / 1.1);
      this.setZoom(d, [a.localX, a.localY]);
      this.graph.change();
      a.preventDefault();
      return !1;
    }
  };
  e.prototype.isOverNodeBox = function(a, b, d) {
    var f = g.NODE_TITLE_HEIGHT;
    return n(b, d, a.pos[0] + 2, a.pos[1] + 2 - f, f - 4, f - 4) ? !0 : !1;
  };
  e.prototype.isOverNodeInput = function(a, b, d, f) {
    if (a.inputs) {
      for (var g = 0, e = a.inputs.length; g < e; ++g) {
        var c = a.getConnectionPos(!0, g);
        if (n(b, d, c[0] - 10, c[1] - 5, 20, 10)) {
          return f && (f[0] = c[0], f[1] = c[1]), g;
        }
      }
    }
    return -1;
  };
  e.prototype.processKey = function(a) {
    if (this.graph) {
      var b = !1;
      if ("input" != a.target.localName) {
        if ("keydown" == a.type) {
          console.log(a);
          65 == a.keyCode && a.ctrlKey && (this.selectAllNodes(), b = !0);
          if ("KeyC" == a.code && (a.metaKey || a.ctrlKey) && !a.shiftKey && this.selected_nodes) {
            var d = [], f;
            for (f in this.selected_nodes) {
              d.push(this.selected_nodes[f].serialize());
            }
            localStorage.setItem("litegrapheditor_clipboard", JSON.stringify(d));
            b = !0;
          }
          if ("KeyV" == a.code && (a.metaKey || a.ctrlKey) && !a.shiftKey && (d = localStorage.getItem("litegrapheditor_clipboard"))) {
            for (d = JSON.parse(d), f = 0; f < d.length; ++f) {
              var e = d[f], c = g.createNode(e.type);
              c && (c.configure(e), c.pos[0] += 5, c.pos[1] += 5, this.graph.add(c));
            }
          }
          if (46 == a.keyCode || 8 == a.keyCode) {
            this.deleteSelectedNodes(), b = !0;
          }
          if (this.selected_nodes) {
            for (f in this.selected_nodes) {
              if (this.selected_nodes[f].onKeyDown) {
                this.selected_nodes[f].onKeyDown(a);
              }
            }
          }
        } else {
          if ("keyup" == a.type && this.selected_nodes) {
            for (f in this.selected_nodes) {
              if (this.selected_nodes[f].onKeyUp) {
                this.selected_nodes[f].onKeyUp(a);
              }
            }
          }
        }
        this.graph.change();
        if (b) {
          return a.preventDefault(), !1;
        }
      }
    }
  };
  e.prototype.processDrop = function(a) {
    a.preventDefault();
    this.adjustMouseEvent(a);
    var b = [a.canvasX, a.canvasY], d = this.graph.getNodeOnPos(b[0], b[1]);
    if (d) {
      if ((d.onDropFile || d.onDropData) && (b = a.dataTransfer.files) && b.length) {
        for (var f = 0; f < b.length; f++) {
          var g = a.dataTransfer.files[0], c = g.name;
          e.getFileExtension(c);
          if (d.onDropFile) {
            d.onDropFile(g);
          }
          if (d.onDropData) {
            var k = new FileReader;
            k.onload = function(a) {
              d.onDropData(a.target.result, c, g);
            };
            var l = g.type.split("/")[0];
            "text" == l || "" == l ? k.readAsText(g) : "image" == l ? k.readAsDataURL(g) : k.readAsArrayBuffer(g);
          }
        }
      }
      return d.onDropItem && d.onDropItem(event) ? !0 : this.onDropItem ? this.onDropItem(event) : !1;
    }
    b = null;
    this.onDropItem && (b = this.onDropItem(event));
    b || this.checkDropItem(a);
  };
  e.prototype.checkDropItem = function(a) {
    if (a.dataTransfer.files.length) {
      var b = a.dataTransfer.files[0], d = e.getFileExtension(b.name).toLowerCase();
      if (d = g.node_types_by_file_extension[d]) {
        if (d = g.createNode(d.type), d.pos = [a.canvasX, a.canvasY], this.graph.add(d), d.onDropFile) {
          d.onDropFile(b);
        }
      }
    }
  };
  e.prototype.processNodeSelected = function(a, b) {
    a.selected = !0;
    if (a.onSelected) {
      a.onSelected();
    }
    b && b.shiftKey || (this.selected_nodes = {});
    this.selected_nodes[a.id] = a;
    this.dirty_canvas = !0;
    if (this.onNodeSelected) {
      this.onNodeSelected(a);
    }
  };
  e.prototype.processNodeDeselected = function(a) {
    a.selected = !1;
    if (a.onDeselected) {
      a.onDeselected();
    }
    delete this.selected_nodes[a.id];
    if (this.onNodeDeselected) {
      this.onNodeDeselected(a);
    }
    this.dirty_canvas = !0;
  };
  e.prototype.processNodeDblClicked = function(a) {
    if (this.onShowNodePanel) {
      this.onShowNodePanel(a);
    }
    if (this.onNodeDblClicked) {
      this.onNodeDblClicked(a);
    }
    this.setDirty(!0);
  };
  e.prototype.selectNode = function(a) {
    this.deselectAllNodes();
    if (a) {
      if (!a.selected && a.onSelected) {
        a.onSelected();
      }
      a.selected = !0;
      this.selected_nodes[a.id] = a;
      this.setDirty(!0);
    }
  };
  e.prototype.selectAllNodes = function() {
    for (var a = 0; a < this.graph._nodes.length; ++a) {
      var b = this.graph._nodes[a];
      if (!b.selected && b.onSelected) {
        b.onSelected();
      }
      b.selected = !0;
      this.selected_nodes[this.graph._nodes[a].id] = b;
    }
    this.setDirty(!0);
  };
  e.prototype.deselectAllNodes = function() {
    for (var a in this.selected_nodes) {
      var b = this.selected_nodes;
      if (b.onDeselected) {
        b.onDeselected();
      }
      b.selected = !1;
    }
    this.selected_nodes = {};
    this.setDirty(!0);
  };
  e.prototype.deleteSelectedNodes = function() {
    for (var a in this.selected_nodes) {
      this.graph.remove(this.selected_nodes[a]);
    }
    this.selected_nodes = {};
    this.setDirty(!0);
  };
  e.prototype.centerOnNode = function(a) {
    this.offset[0] = -a.pos[0] - 0.5 * a.size[0] + 0.5 * this.canvas.width / this.scale;
    this.offset[1] = -a.pos[1] - 0.5 * a.size[1] + 0.5 * this.canvas.height / this.scale;
    this.setDirty(!0, !0);
  };
  e.prototype.adjustMouseEvent = function(a) {
    var b = this.canvas.getBoundingClientRect();
    a.localX = a.pageX - b.left;
    a.localY = a.pageY - b.top;
    a.canvasX = a.localX / this.scale - this.offset[0];
    a.canvasY = a.localY / this.scale - this.offset[1];
  };
  e.prototype.setZoom = function(a, b) {
    b || (b = [0.5 * this.canvas.width, 0.5 * this.canvas.height]);
    var d = this.convertOffsetToCanvas(b);
    this.scale = a;
    this.scale > this.max_zoom ? this.scale = this.max_zoom : this.scale < this.min_zoom && (this.scale = this.min_zoom);
    a = this.convertOffsetToCanvas(b);
    d = [a[0] - d[0], a[1] - d[1]];
    this.offset[0] += d[0];
    this.offset[1] += d[1];
    this.dirty_bgcanvas = this.dirty_canvas = !0;
  };
  e.prototype.convertOffsetToCanvas = function(a) {
    return [a[0] / this.scale - this.offset[0], a[1] / this.scale - this.offset[1]];
  };
  e.prototype.convertCanvasToOffset = function(a) {
    return [(a[0] + this.offset[0]) * this.scale, (a[1] + this.offset[1]) * this.scale];
  };
  e.prototype.convertEventToCanvas = function(a) {
    var b = this.canvas.getClientRects()[0];
    return this.convertOffsetToCanvas([a.pageX - b.left, a.pageY - b.top]);
  };
  e.prototype.bringToFront = function(a) {
    var b = this.graph._nodes.indexOf(a);
    -1 != b && (this.graph._nodes.splice(b, 1), this.graph._nodes.push(a));
  };
  e.prototype.sendToBack = function(a) {
    var b = this.graph._nodes.indexOf(a);
    -1 != b && (this.graph._nodes.splice(b, 1), this.graph._nodes.unshift(a));
  };
  e.prototype.computeVisibleNodes = function() {
    for (var a = new Float32Array(4), b = [], d = 0, f = this.graph._nodes.length; d < f; ++d) {
      var g = this.graph._nodes[d];
      (!this.live_mode || g.onDrawBackground || g.onDrawForeground) && u(this.visible_area, g.getBounding(a)) && b.push(g);
    }
    return b;
  };
  e.prototype.draw = function(a, b) {
    if (this.canvas) {
      var d = g.getTime();
      this.render_time = 0.001 * (d - this.last_draw_time);
      this.last_draw_time = d;
      if (this.graph) {
        var f = [-this.offset[0], -this.offset[1]], e = [f[0] + this.canvas.width / this.scale, f[1] + this.canvas.height / this.scale];
        this.visible_area = new Float32Array([f[0], f[1], e[0], e[1]]);
      }
      (this.dirty_bgcanvas || b || this.always_render_background || this.graph && this.graph._last_trigger_time && 1000 > d - this.graph._last_trigger_time) && this.drawBackCanvas();
      (this.dirty_canvas || a) && this.drawFrontCanvas();
      this.fps = this.render_time ? 1.0 / this.render_time : 0;
      this.frame += 1;
    }
  };
  e.prototype.drawFrontCanvas = function() {
    this.ctx || (this.ctx = this.bgcanvas.getContext("2d"));
    var a = this.ctx;
    if (a) {
      a.start2D && a.start2D();
      var b = this.canvas;
      a.restore();
      a.setTransform(1, 0, 0, 1, 0, 0);
      this.dirty_area && (a.save(), a.beginPath(), a.rect(this.dirty_area[0], this.dirty_area[1], this.dirty_area[2], this.dirty_area[3]), a.clip());
      this.clear_background && a.clearRect(0, 0, b.width, b.height);
      this.bgcanvas == this.canvas ? this.drawBackCanvas() : a.drawImage(this.bgcanvas, 0, 0);
      if (this.onRender) {
        this.onRender(b, a);
      }
      this.show_info && this.renderInfo(a);
      if (this.graph) {
        a.save();
        a.scale(this.scale, this.scale);
        a.translate(this.offset[0], this.offset[1]);
        this.visible_nodes = b = this.computeVisibleNodes();
        for (var d = 0; d < b.length; ++d) {
          var f = b[d];
          a.save();
          a.translate(f.pos[0], f.pos[1]);
          this.drawNode(f, a);
          a.restore();
        }
        this.graph.config.links_ontop && (this.live_mode || this.drawConnections(a));
        if (null != this.connecting_pos) {
          a.lineWidth = this.connections_width;
          switch(this.connecting_output.type) {
            case g.EVENT:
              b = "#F85";
              break;
            default:
              b = "#AFA";
          }
          this.renderLink(a, this.connecting_pos, [this.canvas_mouse[0], this.canvas_mouse[1]], null, !1, null, b);
          a.beginPath();
          this.connecting_output.type === g.EVENT ? a.rect(this.connecting_pos[0] - 6 + 0.5, this.connecting_pos[1] - 5 + 0.5, 14, 10) : a.arc(this.connecting_pos[0], this.connecting_pos[1], 4, 0, 2 * Math.PI);
          a.fill();
          a.fillStyle = "#ffcc00";
          this._highlight_input && (a.beginPath(), a.arc(this._highlight_input[0], this._highlight_input[1], 6, 0, 2 * Math.PI), a.fill());
        }
        a.restore();
      }
      this.dirty_area && a.restore();
      a.finish2D && a.finish2D();
      this.dirty_canvas = !1;
    }
  };
  e.prototype.renderInfo = function(a, b, d) {
    b = b || 0;
    d = d || 0;
    a.save();
    a.translate(b, d);
    a.font = "10px Arial";
    a.fillStyle = "#888";
    this.graph ? (a.fillText("T: " + this.graph.globaltime.toFixed(2) + "s", 5, 13), a.fillText("I: " + this.graph.iteration, 5, 26), a.fillText("F: " + this.frame, 5, 39), a.fillText("FPS:" + this.fps.toFixed(2), 5, 52)) : a.fillText("No graph selected", 5, 13);
    a.restore();
  };
  e.prototype.drawBackCanvas = function() {
    var a = this.bgcanvas;
    if (a.width != this.canvas.width || a.height != this.canvas.height) {
      a.width = this.canvas.width, a.height = this.canvas.height;
    }
    this.bgctx || (this.bgctx = this.bgcanvas.getContext("2d"));
    var b = this.bgctx;
    b.start && b.start();
    this.clear_background && b.clearRect(0, 0, a.width, a.height);
    this._graph_stack && this._graph_stack.length && (b.strokeStyle = this._graph_stack[this._graph_stack.length - 1].bgcolor, b.lineWidth = 10, b.strokeRect(1, 1, a.width - 2, a.height - 2), b.lineWidth = 1);
    b.restore();
    b.setTransform(1, 0, 0, 1, 0, 0);
    if (this.graph) {
      b.save();
      b.scale(this.scale, this.scale);
      b.translate(this.offset[0], this.offset[1]);
      if (this.background_image && 0.5 < this.scale) {
        b.globalAlpha = (1.0 - 0.5 / this.scale) * this.editor_alpha;
        b.imageSmoothingEnabled = b.mozImageSmoothingEnabled = b.imageSmoothingEnabled = !1;
        if (!this._bg_img || this._bg_img.name != this.background_image) {
          this._bg_img = new Image;
          this._bg_img.name = this.background_image;
          this._bg_img.src = this.background_image;
          var d = this;
          this._bg_img.onload = function() {
            d.draw(!0, !0);
          };
        }
        var f = null;
        null == this._pattern && 0 < this._bg_img.width ? (f = b.createPattern(this._bg_img, "repeat"), this._pattern_img = this._bg_img, this._pattern = f) : f = this._pattern;
        f && (b.fillStyle = f, b.fillRect(this.visible_area[0], this.visible_area[1], this.visible_area[2] - this.visible_area[0], this.visible_area[3] - this.visible_area[1]), b.fillStyle = "transparent");
        b.globalAlpha = 1.0;
        b.imageSmoothingEnabled = b.mozImageSmoothingEnabled = b.imageSmoothingEnabled = !0;
      }
      if (this.onBackgroundRender) {
        this.onBackgroundRender(a, b);
      }
      b.strokeStyle = "#235";
      b.strokeRect(0, 0, a.width, a.height);
      this.render_connections_shadows ? (b.shadowColor = "#000", b.shadowOffsetX = 0, b.shadowOffsetY = 0, b.shadowBlur = 6) : b.shadowColor = "rgba(0,0,0,0)";
      this.live_mode || this.drawConnections(b);
      b.shadowColor = "rgba(0,0,0,0)";
      b.restore();
    }
    b.finish && b.finish();
    this.dirty_bgcanvas = !1;
    this.dirty_canvas = !0;
  };
  var k = new Float32Array(2);
  e.prototype.drawNode = function(a, b) {
    var d = a.color || g.NODE_DEFAULT_COLOR, f = !0;
    if (a.flags.skip_title_render || a.graph.isLive()) {
      f = !1;
    }
    a.mouseOver && (f = !0);
    a.selected || (this.render_shadows ? (b.shadowColor = "rgba(0,0,0,0.5)", b.shadowOffsetX = 2, b.shadowOffsetY = 2, b.shadowBlur = 3) : b.shadowColor = "transparent");
    if (this.live_mode) {
      if (!a.flags.collapsed && (b.shadowColor = "transparent", a.onDrawForeground)) {
        a.onDrawForeground(b);
      }
    } else {
      var e = this.editor_alpha;
      b.globalAlpha = e;
      var c = a._shape || g.BOX_SHAPE;
      k.set(a.size);
      a.flags.collapsed && (k[0] = g.NODE_COLLAPSED_WIDTH, k[1] = 0);
      a.flags.clip_area && (b.save(), c == g.BOX_SHAPE ? (b.beginPath(), b.rect(0, 0, k[0], k[1])) : c == g.ROUND_SHAPE ? b.roundRect(0, 0, k[0], k[1], 10) : c == g.CIRCLE_SHAPE && (b.beginPath(), b.arc(0.5 * k[0], 0.5 * k[1], 0.5 * k[0], 0, 2 * Math.PI)), b.clip());
      this.drawNodeShape(a, b, k, d, a.bgcolor, !f, a.selected);
      b.shadowColor = "transparent";
      b.textAlign = "left";
      b.font = this.inner_text_font;
      f = 0.6 < this.scale;
      c = this.connecting_output;
      if (!a.flags.collapsed) {
        if (a.inputs) {
          for (var q = 0; q < a.inputs.length; q++) {
            var l = a.inputs[q];
            b.globalAlpha = e;
            this.connecting_node && g.isValidConnection(l.type && c.type) && (b.globalAlpha = 0.4 * e);
            b.fillStyle = null != l.link ? "#7F7" : "#AAA";
            var w = a.getConnectionPos(!0, q);
            w[0] -= a.pos[0];
            w[1] -= a.pos[1];
            b.beginPath();
            l.type === g.EVENT ? b.rect(w[0] - 6 + 0.5, w[1] - 5 + 0.5, 14, 10) : b.arc(w[0], w[1], 4, 0, 2 * Math.PI);
            b.fill();
            f && (l = null != l.label ? l.label : l.name) && (b.fillStyle = d, b.fillText(l, w[0] + 10, w[1] + 5));
          }
        }
        this.connecting_node && (b.globalAlpha = 0.4 * e);
        b.lineWidth = 1;
        b.textAlign = "right";
        b.strokeStyle = "black";
        if (a.outputs) {
          for (q = 0; q < a.outputs.length; q++) {
            if (l = a.outputs[q], w = a.getConnectionPos(!1, q), w[0] -= a.pos[0], w[1] -= a.pos[1], b.fillStyle = l.links && l.links.length ? "#7F7" : "#AAA", b.beginPath(), l.type === g.EVENT ? b.rect(w[0] - 6 + 0.5, w[1] - 5 + 0.5, 14, 10) : b.arc(w[0], w[1], 4, 0, 2 * Math.PI), b.fill(), b.stroke(), f && (l = null != l.label ? l.label : l.name)) {
              b.fillStyle = d, b.fillText(l, w[0] - 10, w[1] + 5);
            }
          }
        }
        b.textAlign = "left";
        b.globalAlpha = 1;
        if (a.onDrawForeground) {
          a.onDrawForeground(b);
        }
      }
      a.flags.clip_area && b.restore();
      b.globalAlpha = 1.0;
    }
  };
  e.prototype.drawNodeShape = function(a, b, d, f, e, c, k) {
    b.strokeStyle = f || g.NODE_DEFAULT_COLOR;
    b.fillStyle = e || g.NODE_DEFAULT_BGCOLOR;
    e = g.NODE_TITLE_HEIGHT;
    var l = a._shape || g.BOX_SHAPE;
    l == g.BOX_SHAPE ? (b.beginPath(), b.rect(0, c ? 0 : -e, d[0] + 1, c ? d[1] : d[1] + e), b.fill(), b.shadowColor = "transparent", k && (b.strokeStyle = "#CCC", b.strokeRect(-0.5, c ? -0.5 : -e + -0.5, d[0] + 2, c ? d[1] + 2 : d[1] + e + 2 - 1), b.strokeStyle = f)) : l == g.ROUND_SHAPE ? (b.roundRect(0, c ? 0 : -e, d[0], c ? d[1] : d[1] + e, 10), b.fill()) : l == g.CIRCLE_SHAPE && (b.beginPath(), b.arc(0.5 * d[0], 0.5 * d[1], 0.5 * d[0], 0, 2 * Math.PI), b.fill());
    b.shadowColor = "transparent";
    a.bgImage && a.bgImage.width && b.drawImage(a.bgImage, 0.5 * (d[0] - a.bgImage.width), 0.5 * (d[1] - a.bgImage.height));
    a.bgImageUrl && !a.bgImage && (a.bgImage = a.loadImage(a.bgImageUrl));
    if (a.onDrawBackground) {
      a.onDrawBackground(b);
    }
    c || (b.fillStyle = f || g.NODE_DEFAULT_COLOR, f = b.globalAlpha, b.globalAlpha = 0.5 * f, l == g.BOX_SHAPE ? (b.beginPath(), b.rect(0, -e, d[0] + 1, e), b.fill()) : l == g.ROUND_SHAPE && (b.roundRect(0, -e, d[0], e, 10, 0), b.fill()), b.fillStyle = a.boxcolor || g.NODE_DEFAULT_BOXCOLOR, b.beginPath(), l == g.ROUND_SHAPE || l == g.CIRCLE_SHAPE ? b.arc(0.5 * e, -0.5 * e, 0.5 * (e - 6), 0, 2 * Math.PI) : b.rect(3, -e + 3, e - 6, e - 6), b.fill(), b.globalAlpha = f, b.font = this.title_text_font, 
    (a = a.getTitle()) && 0.5 < this.scale && (b.fillStyle = g.NODE_TITLE_COLOR, b.fillText(a, 16, 13 - e)));
  };
  e.prototype.drawNodeCollapsed = function(a, b, d, f) {
    b.strokeStyle = d || g.NODE_DEFAULT_COLOR;
    b.fillStyle = f || g.NODE_DEFAULT_BGCOLOR;
    d = g.NODE_COLLAPSED_RADIUS;
    f = a._shape || g.BOX_SHAPE;
    f == g.CIRCLE_SHAPE ? (b.beginPath(), b.arc(0.5 * a.size[0], 0.5 * a.size[1], d, 0, 2 * Math.PI), b.fill(), b.shadowColor = "rgba(0,0,0,0)", b.stroke(), b.fillStyle = a.boxcolor || g.NODE_DEFAULT_BOXCOLOR, b.beginPath(), b.arc(0.5 * a.size[0], 0.5 * a.size[1], 0.5 * d, 0, 2 * Math.PI)) : f == g.ROUND_SHAPE ? (b.beginPath(), b.roundRect(0.5 * a.size[0] - d, 0.5 * a.size[1] - d, 2 * d, 2 * d, 5), b.fill(), b.shadowColor = "rgba(0,0,0,0)", b.stroke(), b.fillStyle = a.boxcolor || g.NODE_DEFAULT_BOXCOLOR, 
    b.beginPath(), b.roundRect(0.5 * a.size[0] - 0.5 * d, 0.5 * a.size[1] - 0.5 * d, d, d, 2)) : (b.beginPath(), b.rect(0, 0, a.size[0], 2 * d), b.fill(), b.shadowColor = "rgba(0,0,0,0)", b.stroke(), b.fillStyle = a.boxcolor || g.NODE_DEFAULT_BOXCOLOR, b.beginPath(), b.rect(0.5 * d, 0.5 * d, d, d));
    b.fill();
  };
  e.prototype.drawConnections = function(a) {
    var b = g.getTime();
    a.lineWidth = this.connections_width;
    a.fillStyle = "#AAA";
    a.strokeStyle = "#AAA";
    a.globalAlpha = this.editor_alpha;
    for (var d = 0, f = this.graph._nodes.length; d < f; ++d) {
      var e = this.graph._nodes[d];
      if (e.inputs && e.inputs.length) {
        for (var c = 0; c < e.inputs.length; ++c) {
          var k = e.inputs[c];
          if (k && null != k.link && (k = this.graph.links[k.link])) {
            var l = this.graph.getNodeById(k.origin_id);
            if (null != l) {
              var w = k.origin_slot;
              l = -1 == w ? [l.pos[0] + 10, l.pos[1] + 10] : l.getConnectionPos(!1, w);
              this.renderLink(a, l, e.getConnectionPos(!0, c), k);
              if (k && k._last_time && 1000 > b - k._last_time) {
                w = 2.0 - 0.002 * (b - k._last_time);
                var h = "rgba(255,255,255, " + w.toFixed(2) + ")";
                this.renderLink(a, l, e.getConnectionPos(!0, c), k, !0, w, h);
              }
            }
          }
        }
      }
    }
    a.globalAlpha = 1;
  };
  e.prototype.renderLink = function(a, b, d, f, c, k, q) {
    if (this.highquality_render) {
      var l = p(b, d);
      this.render_connections_border && 0.6 < this.scale && (a.lineWidth = this.connections_width + 4);
      !q && f && (q = e.link_type_colors[f.type]);
      q || (q = this.default_link_color);
      a.beginPath();
      this.render_curved_connections ? (a.moveTo(b[0], b[1]), a.bezierCurveTo(b[0] + 0.25 * l, b[1], d[0] - 0.25 * l, d[1], d[0], d[1])) : (a.moveTo(b[0] + 10, b[1]), a.lineTo(0.5 * (b[0] + 10 + (d[0] - 10)), b[1]), a.lineTo(0.5 * (b[0] + 10 + (d[0] - 10)), d[1]), a.lineTo(d[0] - 10, d[1]));
      this.render_connections_border && 0.6 < this.scale && !c && (a.strokeStyle = "rgba(0,0,0,0.5)", a.stroke());
      a.lineWidth = this.connections_width;
      a.fillStyle = a.strokeStyle = q;
      a.stroke();
      this.render_connection_arrows && 0.6 <= this.scale && this.render_connection_arrows && 0.6 < this.scale && (f = this.computeConnectionPoint(b, d, 0.5), c = this.computeConnectionPoint(b, d, 0.51), c = this.render_curved_connections ? -Math.atan2(c[0] - f[0], c[1] - f[1]) : d[1] > b[1] ? 0 : Math.PI, a.save(), a.translate(f[0], f[1]), a.rotate(c), a.beginPath(), a.moveTo(-5, -5), a.lineTo(0, 5), a.lineTo(5, -5), a.fill(), a.restore());
      if (k) {
        for (k = 0; 5 > k; ++k) {
          f = (0.001 * g.getTime() + 0.2 * k) % 1, f = this.computeConnectionPoint(b, d, f), a.beginPath(), a.arc(f[0], f[1], 5, 0, 2 * Math.PI), a.fill();
        }
      }
    } else {
      a.beginPath(), a.moveTo(b[0], b[1]), a.lineTo(d[0], d[1]), a.stroke();
    }
  };
  e.prototype.computeConnectionPoint = function(a, b, d) {
    var f = p(a, b), g = [a[0] + 0.25 * f, a[1]];
    f = [b[0] - 0.25 * f, b[1]];
    var e = (1 - d) * (1 - d) * (1 - d), c = 3 * (1 - d) * (1 - d) * d, k = 3 * (1 - d) * d * d;
    d *= d * d;
    return [e * a[0] + c * g[0] + k * f[0] + d * b[0], e * a[1] + c * g[1] + k * f[1] + d * b[1]];
  };
  e.prototype.resize = function(a, b) {
    a || b || (b = this.canvas.parentNode, a = b.offsetWidth, b = b.offsetHeight);
    if (this.canvas.width != a || this.canvas.height != b) {
      this.canvas.width = a, this.canvas.height = b, this.bgcanvas.width = this.canvas.width, this.bgcanvas.height = this.canvas.height, this.setDirty(!0, !0);
    }
  };
  e.prototype.switchLiveMode = function(a) {
    if (a) {
      var b = this, d = this.live_mode ? 1.1 : 0.9;
      this.live_mode && (this.live_mode = !1, this.editor_alpha = 0.1);
      var g = setInterval(function() {
        b.editor_alpha *= d;
        b.dirty_canvas = !0;
        b.dirty_bgcanvas = !0;
        1 > d && 0.01 > b.editor_alpha && (clearInterval(g), 1 > d && (b.live_mode = !0));
        1 < d && 0.99 < b.editor_alpha && (clearInterval(g), b.editor_alpha = 1);
      }, 1);
    } else {
      this.live_mode = !this.live_mode, this.dirty_bgcanvas = this.dirty_canvas = !0;
    }
  };
  e.prototype.onNodeSelectionChange = function(a) {
  };
  e.prototype.touchHandler = function(a) {
    var b = a.changedTouches[0];
    switch(a.type) {
      case "touchstart":
        var d = "mousedown";
        break;
      case "touchmove":
        d = "mousemove";
        break;
      case "touchend":
        d = "mouseup";
        break;
      default:
        return;
    }
    var g = this.getCanvasWindow(), e = g.document.createEvent("MouseEvent");
    e.initMouseEvent(d, !0, !0, g, 1, b.screenX, b.screenY, b.clientX, b.clientY, !1, !1, !1, !1, 0, null);
    b.target.dispatchEvent(e);
    a.preventDefault();
  };
  e.onMenuAdd = function(a, b, d, f) {
    function c(a, b) {
      b = f.getFirstEvent();
      if (a = g.createNode(a.value)) {
        a.pos = k.convertEventToCanvas(b), k.graph.add(a);
      }
    }
    var k = e.active_canvas, q = k.getCanvasWindow();
    a = g.getNodeTypesCategories();
    b = [];
    for (var l in a) {
      a[l] && b.push({value:a[l], content:a[l], has_submenu:!0});
    }
    var w = new g.ContextMenu(b, {event:d, callback:function(a, b, d) {
      a = g.getNodeTypesInCategory(a.value);
      b = [];
      for (var f in a) {
        b.push({content:a[f].title, value:a[f].type});
      }
      new g.ContextMenu(b, {event:d, callback:c, parentMenu:w}, q);
      return !1;
    }, parentMenu:f}, q);
    return !1;
  };
  e.onMenuCollapseAll = function() {
  };
  e.onMenuNodeEdit = function() {
  };
  e.showMenuNodeOptionalInputs = function(a, b, d, f, c) {
    if (c) {
      var k = this;
      a = e.active_canvas.getCanvasWindow();
      b = c.optional_inputs;
      c.onGetInputs && (b = c.onGetInputs());
      var t = [];
      if (b) {
        for (var l in b) {
          var w = b[l];
          if (w) {
            var h = w[0];
            w[2] && w[2].label && (h = w[2].label);
            h = {content:h, value:w};
            w[1] == g.ACTION && (h.className = "event");
            t.push(h);
          } else {
            t.push(null);
          }
        }
      }
      this.onMenuNodeInputs && (t = this.onMenuNodeInputs(t));
      if (t.length) {
        return new g.ContextMenu(t, {event:d, callback:function(a, b, d) {
          c && (a.callback && a.callback.call(k, c, a, b, d), a.value && (c.addInput(a.value[0], a.value[1], a.value[2]), c.setDirtyCanvas(!0, !0)));
        }, parentMenu:f, node:c}, a), !1;
      }
    }
  };
  e.showMenuNodeOptionalOutputs = function(a, b, d, f, c) {
    function k(a, b, d) {
      if (c && (a.callback && a.callback.call(t, c, a, b, d), a.value)) {
        if (d = a.value[1], !d || d.constructor !== Object && d.constructor !== Array) {
          c.addOutput(a.value[0], a.value[1], a.value[2]), c.setDirtyCanvas(!0, !0);
        } else {
          a = [];
          for (var e in d) {
            a.push({content:e, value:d[e]});
          }
          new g.ContextMenu(a, {event:b, callback:k, parentMenu:f, node:c});
          return !1;
        }
      }
    }
    if (c) {
      var t = this;
      a = e.active_canvas.getCanvasWindow();
      b = c.optional_outputs;
      c.onGetOutputs && (b = c.onGetOutputs());
      var l = [];
      if (b) {
        for (var w in b) {
          var h = b[w];
          if (!h) {
            l.push(null);
          } else {
            if (!c.flags || !c.flags.skip_repeated_outputs || -1 == c.findOutputSlot(h[0])) {
              var p = h[0];
              h[2] && h[2].label && (p = h[2].label);
              p = {content:p, value:h};
              h[1] == g.EVENT && (p.className = "event");
              l.push(p);
            }
          }
        }
      }
      this.onMenuNodeOutputs && (l = this.onMenuNodeOutputs(l));
      if (l.length) {
        return new g.ContextMenu(l, {event:d, callback:k, parentMenu:f, node:c}, a), !1;
      }
    }
  };
  e.onShowMenuNodeProperties = function(a, b, d, f, c) {
    if (c && c.properties) {
      var k = e.active_canvas;
      b = k.getCanvasWindow();
      var t = [], l;
      for (l in c.properties) {
        a = void 0 !== c.properties[l] ? c.properties[l] : " ", a = e.decodeHTML(a), t.push({content:"<span class='property_name'>" + l + "</span><span class='property_value'>" + a + "</span>", value:l});
      }
      if (t.length) {
        return new g.ContextMenu(t, {event:d, callback:function(a, b, d, g) {
          c && (b = this.getBoundingClientRect(), k.showEditPropertyValue(c, a.value, {position:[b.left, b.top]}));
        }, parentMenu:f, allow_html:!0, node:c}, b), !1;
      }
    }
  };
  e.decodeHTML = function(a) {
    var b = document.createElement("div");
    b.innerText = a;
    return b.innerHTML;
  };
  e.onResizeNode = function(a, b, d, g, c) {
    c && (c.size = c.computeSize(), c.setDirtyCanvas(!0, !0));
  };
  e.onShowTitleEditor = function(a, b, d, g, c) {
    function f() {
      c.title = l.value;
      k.parentNode.removeChild(k);
      c.setDirtyCanvas(!0, !0);
    }
    var k = document.createElement("div");
    k.className = "graphdialog";
    k.innerHTML = "<span class='name'>Title</span><input autofocus type='text' class='value'/><button>OK</button>";
    var l = k.querySelector("input");
    l && (l.value = c.title, l.addEventListener("keydown", function(a) {
      13 == a.keyCode && (f(), a.preventDefault(), a.stopPropagation());
    }));
    a = e.active_canvas.canvas;
    b = a.getBoundingClientRect();
    g = d = -20;
    b && (d -= b.left, g -= b.top);
    event ? (k.style.left = event.pageX + d + "px", k.style.top = event.pageY + g + "px") : (k.style.left = 0.5 * a.width + d + "px", k.style.top = 0.5 * a.height + g + "px");
    k.querySelector("button").addEventListener("click", f);
    a.parentNode.appendChild(k);
  };
  e.prototype.showEditPropertyValue = function(a, b, d) {
    function g() {
      c(u.value);
    }
    function c(d) {
      "number" == typeof a.properties[b] && (d = Number(d));
      a.properties[b] = d;
      if (a.onPropertyChanged) {
        a.onPropertyChanged(b, d);
      }
      n.close();
      a.setDirtyCanvas(!0, !0);
    }
    if (a && void 0 !== a.properties[b]) {
      d = d || {};
      var e = "string";
      null !== a.properties[b] && (e = typeof a.properties[b]);
      var k = null;
      a.getPropertyInfo && (k = a.getPropertyInfo(b));
      if (a.properties_info) {
        for (var l = 0; l < a.properties_info.length; ++l) {
          if (a.properties_info[l].name == b) {
            k = a.properties_info[l];
            break;
          }
        }
      }
      void 0 !== k && null !== k && k.type && (e = k.type);
      var h = "";
      if ("string" == e || "number" == e) {
        h = "<input autofocus type='text' class='value'/>";
      } else {
        if ("enum" == e && k.values) {
          h = "<select autofocus type='text' class='value'>";
          for (l in k.values) {
            var p = k.values.constructor === Array ? k.values[l] : l;
            h += "<option value='" + p + "' " + (p == a.properties[b] ? "selected" : "") + ">" + k.values[l] + "</option>";
          }
          h += "</select>";
        } else {
          "boolean" == e && (h = "<input autofocus type='checkbox' class='value' " + (a.properties[b] ? "checked" : "") + "/>");
        }
      }
      var n = this.createDialog("<span class='name'>" + b + "</span>" + h + "<button>OK</button>", d);
      if ("enum" == e && k.values) {
        var u = n.querySelector("select");
        u.addEventListener("change", function(a) {
          c(a.target.value);
        });
      } else {
        if ("boolean" == e) {
          (u = n.querySelector("input")) && u.addEventListener("click", function(a) {
            c(!!u.checked);
          });
        } else {
          if (u = n.querySelector("input")) {
            u.value = void 0 !== a.properties[b] ? a.properties[b] : "", u.addEventListener("keydown", function(a) {
              13 == a.keyCode && (g(), a.preventDefault(), a.stopPropagation());
            });
          }
        }
      }
      n.querySelector("button").addEventListener("click", g);
    }
  };
  e.prototype.createDialog = function(a, b) {
    b = b || {};
    var d = document.createElement("div");
    d.className = "graphdialog";
    d.innerHTML = a;
    a = this.canvas.getClientRects()[0];
    var g = -20, c = -20;
    a && (g -= a.left, c -= a.top);
    b.position ? (g += b.position[0], c += b.position[1]) : b.event ? (g += b.event.pageX, c += b.event.pageY) : (g += 0.5 * this.canvas.width, c += 0.5 * this.canvas.height);
    d.style.left = g + "px";
    d.style.top = c + "px";
    this.canvas.parentNode.appendChild(d);
    d.close = function() {
      this.parentNode && this.parentNode.removeChild(this);
    };
    return d;
  };
  e.onMenuNodeCollapse = function(a, b, d, g, c) {
    c.flags.collapsed = !c.flags.collapsed;
    c.setDirtyCanvas(!0, !0);
  };
  e.onMenuNodePin = function(a, b, d, g, c) {
    c.pin();
  };
  e.onMenuNodeMode = function(a, b, d, c, e) {
    new g.ContextMenu(["Always", "On Event", "On Trigger", "Never"], {event:d, callback:function(a) {
      if (e) {
        switch(a) {
          case "On Event":
            e.mode = g.ON_EVENT;
            break;
          case "On Trigger":
            e.mode = g.ON_TRIGGER;
            break;
          case "Never":
            e.mode = g.NEVER;
            break;
          default:
            e.mode = g.ALWAYS;
        }
      }
    }, parentMenu:c, node:e});
    return !1;
  };
  e.onMenuNodeColors = function(a, b, d, c, k) {
    if (!k) {
      throw "no node for color";
    }
    b = [];
    for (var f in e.node_colors) {
      a = e.node_colors[f], a = {value:f, content:"<span style='display: block; color:" + a.color + "; background-color:" + a.bgcolor + "'>" + f + "</span>"}, b.push(a);
    }
    new g.ContextMenu(b, {event:d, callback:function(a) {
      k && (a = e.node_colors[a.value]) && (k.color = a.color, k.bgcolor = a.bgcolor, k.setDirtyCanvas(!0));
    }, parentMenu:c, node:k});
    return !1;
  };
  e.onMenuNodeShapes = function(a, b, d, c, e) {
    if (!e) {
      throw "no node passed";
    }
    new g.ContextMenu(g.VALID_SHAPES, {event:d, callback:function(a) {
      e && (e.shape = a, e.setDirtyCanvas(!0));
    }, parentMenu:c, node:e});
    return !1;
  };
  e.onMenuNodeRemove = function(a, b, d, g, c) {
    if (!c) {
      throw "no node passed";
    }
    0 != c.removable && (c.graph.remove(c), c.setDirtyCanvas(!0, !0));
  };
  e.onMenuNodeClone = function(a, b, d, g, c) {
    0 != c.clonable && (a = c.clone()) && (a.pos = [c.pos[0] + 5, c.pos[1] + 5], c.graph.add(a), c.setDirtyCanvas(!0, !0));
  };
  e.node_colors = {red:{color:"#FAA", bgcolor:"#944"}, green:{color:"#AFA", bgcolor:"#494"}, blue:{color:"#AAF", bgcolor:"#449"}, cyan:{color:"#AFF", bgcolor:"#499"}, purple:{color:"#FAF", bgcolor:"#949"}, yellow:{color:"#FFA", bgcolor:"#994"}, black:{color:"#777", bgcolor:"#000"}, white:{color:"#FFF", bgcolor:"#AAA"}};
  e.prototype.getCanvasMenuOptions = function() {
    if (this.getMenuOptions) {
      var a = this.getMenuOptions();
    } else {
      a = [{content:"Add Node", has_submenu:!0, callback:e.onMenuAdd}], this._graph_stack && 0 < this._graph_stack.length && (a = [{content:"Close subgraph", callback:this.closeSubgraph.bind(this)}, null].concat(a));
    }
    if (this.getExtraMenuOptions) {
      var b = this.getExtraMenuOptions(this, a);
      b && (a = a.concat(b));
    }
    return a;
  };
  e.prototype.getNodeMenuOptions = function(a) {
    var b = a.getMenuOptions ? a.getMenuOptions(this) : [{content:"Inputs", has_submenu:!0, disabled:!0, callback:e.showMenuNodeOptionalInputs}, {content:"Outputs", has_submenu:!0, disabled:!0, callback:e.showMenuNodeOptionalOutputs}, null, {content:"Properties", has_submenu:!0, callback:e.onShowMenuNodeProperties}, null, {content:"Title", callback:e.onShowTitleEditor}, {content:"Mode", has_submenu:!0, callback:e.onMenuNodeMode}, {content:"Resize", callback:e.onResizeNode}, {content:"Collapse", callback:e.onMenuNodeCollapse}, 
    {content:"Pin", callback:e.onMenuNodePin}, {content:"Colors", has_submenu:!0, callback:e.onMenuNodeColors}, {content:"Shapes", has_submenu:!0, callback:e.onMenuNodeShapes}, null];
    if (a.getExtraMenuOptions) {
      var d = a.getExtraMenuOptions(this);
      d && (d.push(null), b = d.concat(b));
    }
    !1 !== a.clonable && b.push({content:"Clone", callback:e.onMenuNodeClone});
    !1 !== a.removable && b.push(null, {content:"Remove", callback:e.onMenuNodeRemove});
    a.onGetInputs && (d = a.onGetInputs()) && d.length && (b[0].disabled = !1);
    a.onGetOutputs && (d = a.onGetOutputs()) && d.length && (b[1].disabled = !1);
    if (a.graph && a.graph.onGetNodeMenuOptions) {
      a.graph.onGetNodeMenuOptions(b, a);
    }
    return b;
  };
  e.prototype.processContextMenu = function(a, b) {
    var d = this, c = e.active_canvas.getCanvasWindow(), k = null, h = {event:b, callback:function(b, g, c) {
      if (b) {
        if ("Remove Slot" == b.content) {
          var e = b.slot;
          e.input ? a.removeInput(e.slot) : e.output && a.removeOutput(e.slot);
        } else {
          if ("Rename Slot" == b.content) {
            e = b.slot;
            var f = d.createDialog("<span class='name'>Name</span><input type='text'/><button>OK</button>", g), k = f.querySelector("input");
            f.querySelector("button").addEventListener("click", function(b) {
              if (k.value) {
                if (b = e.input ? a.getInputInfo(e.slot) : a.getOutputInfo(e.slot)) {
                  b.label = k.value;
                }
                d.setDirty(!0);
              }
              f.close();
            });
          }
        }
      }
    }, node:a}, p = null;
    a && (p = a.getSlotInPosition(b.canvasX, b.canvasY), e.active_node = a);
    p ? (k = [], k.push(p.locked ? "Cannot remove" : {content:"Remove Slot", slot:p}), k.push({content:"Rename Slot", slot:p}), h.title = (p.input ? p.input.type : p.output.type) || "*", p.input && p.input.type == g.ACTION && (h.title = "Action"), p.output && p.output.type == g.EVENT && (h.title = "Event")) : k = a ? this.getNodeMenuOptions(a) : this.getCanvasMenuOptions();
    k && new g.ContextMenu(k, h, c);
  };
  this.CanvasRenderingContext2D && (CanvasRenderingContext2D.prototype.roundRect = function(a, b, d, g, c, e) {
    void 0 === c && (c = 5);
    void 0 === e && (e = c);
    this.beginPath();
    this.moveTo(a + c, b);
    this.lineTo(a + d - c, b);
    this.quadraticCurveTo(a + d, b, a + d, b + c);
    this.lineTo(a + d, b + g - e);
    this.quadraticCurveTo(a + d, b + g, a + d - e, b + g);
    this.lineTo(a + e, b + g);
    this.quadraticCurveTo(a, b + g, a, b + g - e);
    this.lineTo(a, b + c);
    this.quadraticCurveTo(a, b, a + c, b);
  });
  g.compareObjects = function(a, b) {
    for (var d in a) {
      if (a[d] != b[d]) {
        return !1;
      }
    }
    return !0;
  };
  g.distance = p;
  g.colorToString = function(a) {
    return "rgba(" + Math.round(255 * a[0]).toFixed() + "," + Math.round(255 * a[1]).toFixed() + "," + Math.round(255 * a[2]).toFixed() + "," + (4 == a.length ? a[3].toFixed(2) : "1.0") + ")";
  };
  g.isInsideRectangle = n;
  g.growBounding = function(a, b, d) {
    b < a[0] ? a[0] = b : b > a[2] && (a[2] = b);
    d < a[1] ? a[1] = d : d > a[3] && (a[3] = d);
  };
  g.isInsideBounding = function(a, b) {
    return a[0] < b[0][0] || a[1] < b[0][1] || a[0] > b[1][0] || a[1] > b[1][1] ? !1 : !0;
  };
  g.overlapBounding = u;
  g.hex2num = function(a) {
    "#" == a.charAt(0) && (a = a.slice(1));
    a = a.toUpperCase();
    for (var b = Array(3), d = 0, g, c, e = 0; 6 > e; e += 2) {
      g = "0123456789ABCDEF".indexOf(a.charAt(e)), c = "0123456789ABCDEF".indexOf(a.charAt(e + 1)), b[d] = 16 * g + c, d++;
    }
    return b;
  };
  g.num2hex = function(a) {
    for (var b = "#", d, g, c = 0; 3 > c; c++) {
      d = a[c] / 16, g = a[c] % 16, b += "0123456789ABCDEF".charAt(d) + "0123456789ABCDEF".charAt(g);
    }
    return b;
  };
  x.prototype.addItem = function(a, b, d) {
    function g(a) {
      var b = this.value;
      b && b.has_submenu && c.call(this, a);
    }
    function c(a) {
      var b = this.value, g = !0;
      e.current_submenu && e.current_submenu.close(a);
      if (d.callback) {
        var c = d.callback.call(this, b, d, a, e, d.node);
        !0 === c && (g = !1);
      }
      if (b && (b.callback && !d.ignore_item_callbacks && !0 !== b.disabled && (c = b.callback.call(this, b, d, a, e, d.node), !0 === c && (g = !1)), b.submenu)) {
        if (!b.submenu.options) {
          throw "ContextMenu submenu needs options";
        }
        new e.constructor(b.submenu.options, {callback:b.submenu.callback, event:a, parentMenu:e, ignore_item_callbacks:b.submenu.ignore_item_callbacks, title:b.submenu.title, autoopen:d.autoopen});
        g = !1;
      }
      g && !e.lock && e.close();
    }
    var e = this;
    d = d || {};
    var k = document.createElement("div");
    k.className = "litemenu-entry submenu";
    var l = !1;
    if (null === b) {
      k.classList.add("separator");
    } else {
      k.innerHTML = b && b.title ? b.title : a;
      if (k.value = b) {
        b.disabled && (l = !0, k.classList.add("disabled")), (b.submenu || b.has_submenu) && k.classList.add("has_submenu");
      }
      "function" == typeof b ? (k.dataset.value = a, k.onclick_callback = b) : k.dataset.value = b;
      b.className && (k.className += " " + b.className);
    }
    this.root.appendChild(k);
    l || k.addEventListener("click", c);
    d.autoopen && k.addEventListener("mouseenter", g);
    return k;
  };
  x.prototype.close = function(a, b) {
    this.root.parentNode && this.root.parentNode.removeChild(this.root);
    this.parentMenu && !b && (this.parentMenu.lock = !1, this.parentMenu.current_submenu = null, void 0 === a ? this.parentMenu.close() : a && !x.isCursorOverElement(a, this.parentMenu.root) && x.trigger(this.parentMenu.root, "mouseleave", a));
    this.current_submenu && this.current_submenu.close(a, !0);
  };
  x.trigger = function(a, b, d, g) {
    var c = document.createEvent("CustomEvent");
    c.initCustomEvent(b, !0, !0, d);
    c.srcElement = g;
    a.dispatchEvent ? a.dispatchEvent(c) : a.__events && a.__events.dispatchEvent(c);
    return c;
  };
  x.prototype.getTopMenu = function() {
    return this.options.parentMenu ? this.options.parentMenu.getTopMenu() : this;
  };
  x.prototype.getFirstEvent = function() {
    return this.options.parentMenu ? this.options.parentMenu.getFirstEvent() : this.options.event;
  };
  x.isCursorOverElement = function(a, b) {
    var d = a.pageX;
    a = a.pageY;
    return (b = b.getBoundingClientRect()) ? a > b.top && a < b.top + b.height && d > b.left && d < b.left + b.width ? !0 : !1 : !1;
  };
  g.ContextMenu = x;
  g.closeAllContextMenus = function(a) {
    a = a || window;
    a = a.document.querySelectorAll(".litecontextmenu");
    if (a.length) {
      for (var b = [], d = 0; d < a.length; d++) {
        b.push(a[d]);
      }
      for (d in b) {
        b[d].close ? b[d].close() : b[d].parentNode && b[d].parentNode.removeChild(b[d]);
      }
    }
  };
  g.extendClass = function(a, b) {
    for (var d in b) {
      a.hasOwnProperty(d) || (a[d] = b[d]);
    }
    if (b.prototype) {
      for (d in b.prototype) {
        b.prototype.hasOwnProperty(d) && !a.prototype.hasOwnProperty(d) && (b.prototype.__lookupGetter__(d) ? a.prototype.__defineGetter__(d, b.prototype.__lookupGetter__(d)) : a.prototype[d] = b.prototype[d], b.prototype.__lookupSetter__(d) && a.prototype.__defineSetter__(d, b.prototype.__lookupSetter__(d)));
      }
    }
  };
  "undefined" == typeof window || window.requestAnimationFrame || (window.requestAnimationFrame = window.webkitRequestAnimationFrame || window.mozRequestAnimationFrame || function(a) {
    window.setTimeout(a, 1000 / 60);
  });
})(this);
"undefined" != typeof exports && (exports.LiteGraph = this.LiteGraph);
(function(v) {
  function c() {
    this.addOutput("in ms", "number");
    this.addOutput("in sec", "number");
  }
  function h() {
    this.size = [120, 60];
    this.subgraph = new LGraph;
    this.subgraph._subgraph_node = this;
    this.subgraph._is_subgraph = !0;
    this.subgraph.onGlobalInputAdded = this.onSubgraphNewGlobalInput.bind(this);
    this.subgraph.onGlobalInputRenamed = this.onSubgraphRenamedGlobalInput.bind(this);
    this.subgraph.onGlobalInputTypeChanged = this.onSubgraphTypeChangeGlobalInput.bind(this);
    this.subgraph.onGlobalOutputAdded = this.onSubgraphNewGlobalOutput.bind(this);
    this.subgraph.onGlobalOutputRenamed = this.onSubgraphRenamedGlobalOutput.bind(this);
    this.subgraph.onGlobalOutputTypeChanged = this.onSubgraphTypeChangeGlobalOutput.bind(this);
    this.bgcolor = "#663";
  }
  function e() {
    var a = "input_" + (1000 * Math.random()).toFixed();
    this.addOutput(a, null);
    this.properties = {name:a, type:null};
    var b = this;
    Object.defineProperty(this.properties, "name", {get:function() {
      return a;
    }, set:function(d) {
      if ("" != d) {
        var g = b.getOutputInfo(0);
        g.name != d && (g.name = d, b.graph && b.graph.renameGlobalInput(a, d), a = d);
      }
    }, enumerable:!0});
    Object.defineProperty(this.properties, "type", {get:function() {
      return b.outputs[0].type;
    }, set:function(d) {
      b.outputs[0].type = d;
      b.graph && b.graph.changeGlobalInputType(a, b.outputs[0].type);
    }, enumerable:!0});
  }
  function p() {
    var a = "output_" + (1000 * Math.random()).toFixed();
    this.addInput(a, null);
    this.properties = {name:a, type:null};
    var b = this;
    Object.defineProperty(this.properties, "name", {get:function() {
      return a;
    }, set:function(d) {
      if ("" != d) {
        var g = b.getInputInfo(0);
        g.name != d && (g.name = d, b.graph && b.graph.renameGlobalOutput(a, d), a = d);
      }
    }, enumerable:!0});
    Object.defineProperty(this.properties, "type", {get:function() {
      return b.inputs[0].type;
    }, set:function(d) {
      b.inputs[0].type = d;
      b.graph && b.graph.changeGlobalInputType(a, b.inputs[0].type);
    }, enumerable:!0});
  }
  function n() {
    this.addOutput("value", "number");
    this.addProperty("value", 1.0);
    this.editable = {property:"value", type:"number"};
  }
  function u() {
    this.size = [60, 20];
    this.addInput("value", 0, {label:""});
    this.addOutput("value", 0, {label:""});
    this.addProperty("value", "");
  }
  function x() {
    this.mode = k.ON_EVENT;
    this.size = [60, 20];
    this.addProperty("msg", "");
    this.addInput("log", k.EVENT);
    this.addInput("msg", 0);
  }
  function g() {
    this.size = [60, 20];
    this.addProperty("onExecute", "");
    this.addInput("in", "");
    this.addInput("in2", "");
    this.addOutput("out", "");
    this.addOutput("out2", "");
    this._func = null;
  }
  var k = v.LiteGraph;
  c.title = "Time";
  c.desc = "Time";
  c.prototype.onExecute = function() {
    this.setOutputData(0, 1000 * this.graph.globaltime);
    this.setOutputData(1, this.graph.globaltime);
  };
  k.registerNodeType("basic/time", c);
  h.title = "Subgraph";
  h.desc = "Graph inside a node";
  h.prototype.onSubgraphNewGlobalInput = function(a, b) {
    this.addInput(a, b);
  };
  h.prototype.onSubgraphRenamedGlobalInput = function(a, b) {
    a = this.findInputSlot(a);
    -1 != a && (this.getInputInfo(a).name = b);
  };
  h.prototype.onSubgraphTypeChangeGlobalInput = function(a, b) {
    a = this.findInputSlot(a);
    -1 != a && (this.getInputInfo(a).type = b);
  };
  h.prototype.onSubgraphNewGlobalOutput = function(a, b) {
    this.addOutput(a, b);
  };
  h.prototype.onSubgraphRenamedGlobalOutput = function(a, b) {
    a = this.findOutputSlot(a);
    -1 != a && (this.getOutputInfo(a).name = b);
  };
  h.prototype.onSubgraphTypeChangeGlobalOutput = function(a, b) {
    a = this.findOutputSlot(a);
    -1 != a && (this.getOutputInfo(a).type = b);
  };
  h.prototype.getExtraMenuOptions = function(a) {
    var b = this;
    return [{content:"Open", callback:function() {
      a.openSubgraph(b.subgraph);
    }}];
  };
  h.prototype.onExecute = function() {
    if (this.inputs) {
      for (var a = 0; a < this.inputs.length; a++) {
        var b = this.inputs[a], d = this.getInputData(a);
        this.subgraph.setGlobalInputData(b.name, d);
      }
    }
    this.subgraph.runStep();
    if (this.outputs) {
      for (a = 0; a < this.outputs.length; a++) {
        d = this.subgraph.getGlobalOutputData(this.outputs[a].name), this.setOutputData(a, d);
      }
    }
  };
  h.prototype.configure = function(a) {
    LGraphNode.prototype.configure.call(this, a);
  };
  h.prototype.serialize = function() {
    var a = LGraphNode.prototype.serialize.call(this);
    a.subgraph = this.subgraph.serialize();
    return a;
  };
  h.prototype.clone = function() {
    var a = k.createNode(this.type), b = this.serialize();
    delete b.id;
    delete b.inputs;
    delete b.outputs;
    a.configure(b);
    return a;
  };
  k.registerNodeType("graph/subgraph", h);
  e.title = "Input";
  e.desc = "Input of the graph";
  e.prototype.onAdded = function() {
    this.graph.addGlobalInput(this.properties.name, this.properties.type);
  };
  e.prototype.onExecute = function() {
    var a = this.graph.global_inputs[this.properties.name];
    a && this.setOutputData(0, a.value);
  };
  k.registerNodeType("graph/input", e);
  p.title = "Ouput";
  p.desc = "Output of the graph";
  p.prototype.onAdded = function() {
    this.graph.addGlobalOutput(this.properties.name, this.properties.type);
  };
  p.prototype.onExecute = function() {
    this.graph.setGlobalOutputData(this.properties.name, this.getInputData(0));
  };
  k.registerNodeType("graph/output", p);
  n.title = "Const";
  n.desc = "Constant value";
  n.prototype.setValue = function(a) {
    "string" == typeof a && (a = parseFloat(a));
    this.properties.value = a;
    this.setDirtyCanvas(!0);
  };
  n.prototype.onExecute = function() {
    this.setOutputData(0, parseFloat(this.properties.value));
  };
  n.prototype.onDrawBackground = function(a) {
    this.outputs[0].label = this.properties.value.toFixed(3);
  };
  n.prototype.onWidget = function(a, b) {
    "value" == b.name && this.setValue(b.value);
  };
  k.registerNodeType("basic/const", n);
  u.title = "Watch";
  u.desc = "Show value of input";
  u.prototype.onExecute = function() {
    this.properties.value = this.getInputData(0);
    this.setOutputData(0, this.properties.value);
  };
  u.prototype.onDrawBackground = function(a) {
    this.inputs[0] && null != this.properties.value && (this.properties.value.constructor === Number ? this.inputs[0].label = this.properties.value.toFixed(3) : ((a = this.properties.value) && a.length && (a = Array.prototype.slice.call(a).join(",")), this.inputs[0].label = a));
  };
  k.registerNodeType("basic/watch", u);
  x.title = "Console";
  x.desc = "Show value inside the console";
  x.prototype.onAction = function(a, b) {
    "log" == a ? console.log(b) : "warn" == a ? console.warn(b) : "error" == a && console.error(b);
  };
  x.prototype.onExecute = function() {
    var a = this.getInputData(1);
    null !== a && (this.properties.msg = a);
    console.log(a);
  };
  x.prototype.onGetInputs = function() {
    return [["log", k.ACTION], ["warn", k.ACTION], ["error", k.ACTION]];
  };
  k.registerNodeType("basic/console", x);
  g.title = "Script";
  g.desc = "executes a code";
  g.widgets_info = {onExecute:{type:"code"}};
  g.prototype.onPropertyChanged = function(a, b) {
    if ("onExecute" == a && k.allow_scripts) {
      this._func = null;
      try {
        this._func = new Function(b);
      } catch (d) {
        console.error("Error parsing script"), console.error(d);
      }
    }
  };
  g.prototype.onExecute = function() {
    if (this._func) {
      try {
        this._func.call(this);
      } catch (a) {
        console.error("Error in script"), console.error(a);
      }
    }
  };
  k.registerNodeType("basic/script", g);
})(this);
(function(v) {
  function c() {
    this.size = [60, 20];
    this.addInput("event", p.ACTION);
  }
  function h() {
    this.size = [60, 20];
    this.addInput("event", p.ACTION);
    this.addOutput("event", p.EVENT);
    this.properties = {equal_to:"", has_property:"", property_equal_to:""};
  }
  function e() {
    this.size = [60, 20];
    this.addProperty("time", 1000);
    this.addInput("event", p.ACTION);
    this.addOutput("on_time", p.EVENT);
    this._pending = [];
  }
  var p = v.LiteGraph;
  c.title = "Log Event";
  c.desc = "Log event in console";
  c.prototype.onAction = function(c, e) {
    console.log(c, e);
  };
  p.registerNodeType("events/log", c);
  h.title = "Filter Event";
  h.desc = "Blocks events that do not match the filter";
  h.prototype.onAction = function(c, e) {
    if (null != e && (!this.properties.equal_to || this.properties.equal_to == e)) {
      if (this.properties.has_property && (c = e[this.properties.has_property], null == c || this.properties.property_equal_to && this.properties.property_equal_to != c)) {
        return;
      }
      this.triggerSlot(0, e);
    }
  };
  p.registerNodeType("events/filter", h);
  e.title = "Delay";
  e.desc = "Delays one event";
  e.prototype.onAction = function(c, e) {
    this._pending.push([this.properties.time, e]);
  };
  e.prototype.onExecute = function() {
    for (var c = 1000 * this.graph.elapsed_time, e = 0; e < this._pending.length; ++e) {
      var h = this._pending[e];
      h[0] -= c;
      0 < h[0] || (this._pending.splice(e, 1), --e, this.trigger(null, h[1]));
    }
  };
  e.prototype.onGetInputs = function() {
    return [["event", p.ACTION]];
  };
  p.registerNodeType("events/delay", e);
})(this);
(function(v) {
  function c() {
    this.addOutput("clicked", x.EVENT);
    this.addProperty("text", "");
    this.addProperty("font", "40px Arial");
    this.addProperty("message", "");
    this.size = [64, 84];
  }
  function h() {
    this.addOutput("", "number");
    this.size = [64, 84];
    this.properties = {min:0, max:1, value:0.5, wcolor:"#7AF", size:50};
  }
  function e() {
    this.size = [160, 26];
    this.addOutput("", "number");
    this.properties = {wcolor:"#7AF", min:0, max:1, value:0.5};
  }
  function p() {
    this.size = [160, 26];
    this.addInput("", "number");
    this.properties = {min:0, max:1, value:0, wcolor:"#AAF"};
  }
  function n() {
    this.addInputs("", 0);
    this.properties = {value:"...", font:"Arial", fontsize:18, color:"#AAA", align:"left", glowSize:0, decimals:1};
  }
  function u() {
    this.size = [200, 100];
    this.properties = {borderColor:"#ffffff", bgcolorTop:"#f0f0f0", bgcolorBottom:"#e0e0e0", shadowSize:2, borderRadius:3};
  }
  var x = v.LiteGraph;
  c.title = "Button";
  c.desc = "Triggers an event";
  c.prototype.onDrawForeground = function(g) {
    !this.flags.collapsed && (g.fillStyle = "black", g.fillRect(1, 1, this.size[0] - 3, this.size[1] - 3), g.fillStyle = "#AAF", g.fillRect(0, 0, this.size[0] - 3, this.size[1] - 3), g.fillStyle = this.clicked ? "white" : this.mouseOver ? "#668" : "#334", g.fillRect(1, 1, this.size[0] - 4, this.size[1] - 4), this.properties.text || 0 === this.properties.text) && (g.textAlign = "center", g.fillStyle = this.clicked ? "black" : "white", this.properties.font && (g.font = this.properties.font), g.fillText(this.properties.text, 
    0.5 * this.size[0], 0.85 * this.size[1]), g.textAlign = "left");
  };
  c.prototype.onMouseDown = function(g, c) {
    if (1 < c[0] && 1 < c[1] && c[0] < this.size[0] - 2 && c[1] < this.size[1] - 2) {
      return this.clicked = !0, this.trigger("clicked", this.properties.message), !0;
    }
  };
  c.prototype.onMouseUp = function(c) {
    this.clicked = !1;
  };
  x.registerNodeType("widget/button", c);
  h.title = "Knob";
  h.desc = "Circular controller";
  h.widgets = [{name:"increase", text:"+", type:"minibutton"}, {name:"decrease", text:"-", type:"minibutton"}];
  h.prototype.onAdded = function() {
    this.value = (this.properties.value - this.properties.min) / (this.properties.max - this.properties.min);
    this.imgbg = this.loadImage("imgs/knob_bg.png");
    this.imgfg = this.loadImage("imgs/knob_fg.png");
  };
  h.prototype.onDrawImageKnob = function(c) {
    if (this.imgfg && this.imgfg.width) {
      var g = 0.5 * this.imgbg.width, a = this.size[0] / this.imgfg.width;
      c.save();
      c.translate(0, 20);
      c.scale(a, a);
      c.drawImage(this.imgbg, 0, 0);
      c.translate(g, g);
      c.rotate(2 * this.value * Math.PI * 6 / 8 + 10 * Math.PI / 8);
      c.translate(-g, -g);
      c.drawImage(this.imgfg, 0, 0);
      c.restore();
      this.title && (c.font = "bold 16px Criticized,Tahoma", c.fillStyle = "rgba(100,100,100,0.8)", c.textAlign = "center", c.fillText(this.title.toUpperCase(), 0.5 * this.size[0], 18), c.textAlign = "left");
    }
  };
  h.prototype.onDrawVectorKnob = function(c) {
    if (this.imgfg && this.imgfg.width) {
      c.lineWidth = 1;
      c.strokeStyle = this.mouseOver ? "#FFF" : "#AAA";
      c.fillStyle = "#000";
      c.beginPath();
      c.arc(0.5 * this.size[0], 0.5 * this.size[1] + 10, 0.5 * this.properties.size, 0, 2 * Math.PI, !0);
      c.stroke();
      0 < this.value && (c.strokeStyle = this.properties.wcolor, c.lineWidth = 0.2 * this.properties.size, c.beginPath(), c.arc(0.5 * this.size[0], 0.5 * this.size[1] + 10, 0.35 * this.properties.size, -0.5 * Math.PI + 2 * Math.PI * this.value, -0.5 * Math.PI, !0), c.stroke(), c.lineWidth = 1);
      c.font = 0.2 * this.properties.size + "px Arial";
      c.fillStyle = "#AAA";
      c.textAlign = "center";
      var g = this.properties.value;
      "number" == typeof g && (g = g.toFixed(2));
      c.fillText(g, 0.5 * this.size[0], 0.65 * this.size[1]);
      c.textAlign = "left";
    }
  };
  h.prototype.onDrawForeground = function(c) {
    this.onDrawImageKnob(c);
  };
  h.prototype.onExecute = function() {
    this.setOutputData(0, this.properties.value);
    this.boxcolor = x.colorToString([this.value, this.value, this.value]);
  };
  h.prototype.onMouseDown = function(c) {
    if (this.imgfg && this.imgfg.width) {
      this.center = [0.5 * this.size[0], 0.5 * this.size[1] + 20];
      this.radius = 0.5 * this.size[0];
      if (20 > c.canvasY - this.pos[1] || x.distance([c.canvasX, c.canvasY], [this.pos[0] + this.center[0], this.pos[1] + this.center[1]]) > this.radius) {
        return !1;
      }
      this.oldmouse = [c.canvasX - this.pos[0], c.canvasY - this.pos[1]];
      this.captureInput(!0);
      return !0;
    }
  };
  h.prototype.onMouseMove = function(c) {
    if (this.oldmouse) {
      c = [c.canvasX - this.pos[0], c.canvasY - this.pos[1]];
      var e = this.value;
      e -= 0.01 * (c[1] - this.oldmouse[1]);
      1.0 < e ? e = 1.0 : 0.0 > e && (e = 0.0);
      this.value = e;
      this.properties.value = this.properties.min + (this.properties.max - this.properties.min) * this.value;
      this.oldmouse = c;
      this.setDirtyCanvas(!0);
    }
  };
  h.prototype.onMouseUp = function(c) {
    this.oldmouse && (this.oldmouse = null, this.captureInput(!1));
  };
  h.prototype.onMouseLeave = function(c) {
  };
  h.prototype.onWidget = function(c, e) {
    if ("increase" == e.name) {
      this.onPropertyChanged("size", this.properties.size + 10);
    } else {
      if ("decrease" == e.name) {
        this.onPropertyChanged("size", this.properties.size - 10);
      }
    }
  };
  h.prototype.onPropertyChanged = function(c, e) {
    if ("wcolor" == c) {
      this.properties[c] = e;
    } else {
      if ("size" == c) {
        e = parseInt(e), this.properties[c] = e, this.size = [e + 4, e + 24], this.setDirtyCanvas(!0, !0);
      } else {
        if ("min" == c || "max" == c || "value" == c) {
          this.properties[c] = parseFloat(e);
        } else {
          return !1;
        }
      }
    }
    return !0;
  };
  x.registerNodeType("widget/knob", h);
  e.title = "H.Slider";
  e.desc = "Linear slider controller";
  e.prototype.onInit = function() {
    this.value = 0.5;
    this.imgfg = this.loadImage("imgs/slider_fg.png");
  };
  e.prototype.onDrawVectorial = function(c) {
    this.imgfg && this.imgfg.width && (c.lineWidth = 1, c.strokeStyle = this.mouseOver ? "#FFF" : "#AAA", c.fillStyle = "#000", c.beginPath(), c.rect(2, 0, this.size[0] - 4, 20), c.stroke(), c.fillStyle = this.properties.wcolor, c.beginPath(), c.rect(2 + (this.size[0] - 4 - 20) * this.value, 0, 20, 20), c.fill());
  };
  e.prototype.onDrawImage = function(c) {
    this.imgfg && this.imgfg.width && (c.lineWidth = 1, c.fillStyle = "#000", c.fillRect(2, 9, this.size[0] - 4, 2), c.strokeStyle = "#333", c.beginPath(), c.moveTo(2, 9), c.lineTo(this.size[0] - 4, 9), c.stroke(), c.strokeStyle = "#AAA", c.beginPath(), c.moveTo(2, 11), c.lineTo(this.size[0] - 4, 11), c.stroke(), c.drawImage(this.imgfg, 2 + (this.size[0] - 4) * this.value - 0.5 * this.imgfg.width, 0.5 * -this.imgfg.height + 10));
  };
  e.prototype.onDrawForeground = function(c) {
    this.onDrawImage(c);
  };
  e.prototype.onExecute = function() {
    this.properties.value = this.properties.min + (this.properties.max - this.properties.min) * this.value;
    this.setOutputData(0, this.properties.value);
    this.boxcolor = x.colorToString([this.value, this.value, this.value]);
  };
  e.prototype.onMouseDown = function(c) {
    if (0 > c.canvasY - this.pos[1]) {
      return !1;
    }
    this.oldmouse = [c.canvasX - this.pos[0], c.canvasY - this.pos[1]];
    this.captureInput(!0);
    return !0;
  };
  e.prototype.onMouseMove = function(c) {
    if (this.oldmouse) {
      c = [c.canvasX - this.pos[0], c.canvasY - this.pos[1]];
      var e = this.value;
      e += (c[0] - this.oldmouse[0]) / this.size[0];
      1.0 < e ? e = 1.0 : 0.0 > e && (e = 0.0);
      this.value = e;
      this.oldmouse = c;
      this.setDirtyCanvas(!0);
    }
  };
  e.prototype.onMouseUp = function(c) {
    this.oldmouse = null;
    this.captureInput(!1);
  };
  e.prototype.onMouseLeave = function(c) {
  };
  e.prototype.onPropertyChanged = function(c, e) {
    if ("wcolor" == c) {
      this.properties[c] = e;
    } else {
      return !1;
    }
    return !0;
  };
  x.registerNodeType("widget/hslider", e);
  p.title = "Progress";
  p.desc = "Shows data in linear progress";
  p.prototype.onExecute = function() {
    var c = this.getInputData(0);
    void 0 != c && (this.properties.value = c);
  };
  p.prototype.onDrawForeground = function(c) {
    c.lineWidth = 1;
    c.fillStyle = this.properties.wcolor;
    var e = (this.properties.value - this.properties.min) / (this.properties.max - this.properties.min);
    e = Math.min(1, e);
    e = Math.max(0, e);
    c.fillRect(2, 2, (this.size[0] - 4) * e, this.size[1] - 4);
  };
  x.registerNodeType("widget/progress", p);
  n.title = "Text";
  n.desc = "Shows the input value";
  n.widgets = [{name:"resize", text:"Resize box", type:"button"}, {name:"led_text", text:"LED", type:"minibutton"}, {name:"normal_text", text:"Normal", type:"minibutton"}];
  n.prototype.onDrawForeground = function(c) {
    c.fillStyle = this.properties.color;
    var e = this.properties.value;
    this.properties.glowSize ? (c.shadowColor = this.properties.color, c.shadowOffsetX = 0, c.shadowOffsetY = 0, c.shadowBlur = this.properties.glowSize) : c.shadowColor = "transparent";
    var a = this.properties.fontsize;
    c.textAlign = this.properties.align;
    c.font = a.toString() + "px " + this.properties.font;
    this.str = "number" == typeof e ? e.toFixed(this.properties.decimals) : e;
    if ("string" == typeof this.str) {
      e = this.str.split("\\n");
      for (var b in e) {
        c.fillText(e[b], "left" == this.properties.align ? 15 : this.size[0] - 15, -0.15 * a + a * (parseInt(b) + 1));
      }
    }
    c.shadowColor = "transparent";
    this.last_ctx = c;
    c.textAlign = "left";
  };
  n.prototype.onExecute = function() {
    var c = this.getInputData(0);
    null != c && (this.properties.value = c);
  };
  n.prototype.resize = function() {
    if (this.last_ctx) {
      var c = this.str.split("\\n");
      this.last_ctx.font = this.properties.fontsize + "px " + this.properties.font;
      var e = 0, a;
      for (a in c) {
        var b = this.last_ctx.measureText(c[a]).width;
        e < b && (e = b);
      }
      this.size[0] = e + 20;
      this.size[1] = 4 + c.length * this.properties.fontsize;
      this.setDirtyCanvas(!0);
    }
  };
  n.prototype.onWidget = function(c, e) {
    "resize" == e.name ? this.resize() : "led_text" == e.name ? (this.properties.font = "Digital", this.properties.glowSize = 4, this.setDirtyCanvas(!0)) : "normal_text" == e.name && (this.properties.font = "Arial", this.setDirtyCanvas(!0));
  };
  n.prototype.onPropertyChanged = function(c, e) {
    this.properties[c] = e;
    this.str = "number" == typeof e ? e.toFixed(3) : e;
    return !0;
  };
  x.registerNodeType("widget/text", n);
  u.title = "Panel";
  u.desc = "Non interactive panel";
  u.widgets = [{name:"update", text:"Update", type:"button"}];
  u.prototype.createGradient = function(c) {
    "" == this.properties.bgcolorTop || "" == this.properties.bgcolorBottom ? this.lineargradient = 0 : (this.lineargradient = c.createLinearGradient(0, 0, 0, this.size[1]), this.lineargradient.addColorStop(0, this.properties.bgcolorTop), this.lineargradient.addColorStop(1, this.properties.bgcolorBottom));
  };
  u.prototype.onDrawForeground = function(c) {
    null == this.lineargradient && this.createGradient(c);
    this.lineargradient && (c.lineWidth = 1, c.strokeStyle = this.properties.borderColor, c.fillStyle = this.lineargradient, this.properties.shadowSize ? (c.shadowColor = "#000", c.shadowOffsetX = 0, c.shadowOffsetY = 0, c.shadowBlur = this.properties.shadowSize) : c.shadowColor = "transparent", c.roundRect(0, 0, this.size[0] - 1, this.size[1] - 1, this.properties.shadowSize), c.fill(), c.shadowColor = "transparent", c.stroke());
  };
  u.prototype.onWidget = function(c, e) {
    "update" == e.name && (this.lineargradient = null, this.setDirtyCanvas(!0));
  };
  x.registerNodeType("widget/panel", u);
})(this);
(function(v) {
  function c() {
    this.addOutput("left_x_axis", "number");
    this.addOutput("left_y_axis", "number");
    this.addOutput("button_pressed", h.EVENT);
    this.properties = {gamepad_index:0, threshold:0.1};
    this._left_axis = new Float32Array(2);
    this._right_axis = new Float32Array(2);
    this._triggers = new Float32Array(2);
    this._previous_buttons = new Uint8Array(17);
    this._current_buttons = new Uint8Array(17);
  }
  var h = v.LiteGraph;
  c.title = "Gamepad";
  c.desc = "gets the input of the gamepad";
  c.zero = new Float32Array(2);
  c.buttons = "a b x y lb rb lt rt back start ls rs home".split(" ");
  c.prototype.onExecute = function() {
    var e = this.getGamepad(), h = this.properties.threshold || 0.0;
    e && (this._left_axis[0] = Math.abs(e.xbox.axes.lx) > h ? e.xbox.axes.lx : 0, this._left_axis[1] = Math.abs(e.xbox.axes.ly) > h ? e.xbox.axes.ly : 0, this._right_axis[0] = Math.abs(e.xbox.axes.rx) > h ? e.xbox.axes.rx : 0, this._right_axis[1] = Math.abs(e.xbox.axes.ry) > h ? e.xbox.axes.ry : 0, this._triggers[0] = Math.abs(e.xbox.axes.ltrigger) > h ? e.xbox.axes.ltrigger : 0, this._triggers[1] = Math.abs(e.xbox.axes.rtrigger) > h ? e.xbox.axes.rtrigger : 0);
    if (this.outputs) {
      for (h = 0; h < this.outputs.length; h++) {
        var n = this.outputs[h];
        if (n.links && n.links.length) {
          var u = null;
          if (e) {
            switch(n.name) {
              case "left_axis":
                u = this._left_axis;
                break;
              case "right_axis":
                u = this._right_axis;
                break;
              case "left_x_axis":
                u = this._left_axis[0];
                break;
              case "left_y_axis":
                u = this._left_axis[1];
                break;
              case "right_x_axis":
                u = this._right_axis[0];
                break;
              case "right_y_axis":
                u = this._right_axis[1];
                break;
              case "trigger_left":
                u = this._triggers[0];
                break;
              case "trigger_right":
                u = this._triggers[1];
                break;
              case "a_button":
                u = e.xbox.buttons.a ? 1 : 0;
                break;
              case "b_button":
                u = e.xbox.buttons.b ? 1 : 0;
                break;
              case "x_button":
                u = e.xbox.buttons.x ? 1 : 0;
                break;
              case "y_button":
                u = e.xbox.buttons.y ? 1 : 0;
                break;
              case "lb_button":
                u = e.xbox.buttons.lb ? 1 : 0;
                break;
              case "rb_button":
                u = e.xbox.buttons.rb ? 1 : 0;
                break;
              case "ls_button":
                u = e.xbox.buttons.ls ? 1 : 0;
                break;
              case "rs_button":
                u = e.xbox.buttons.rs ? 1 : 0;
                break;
              case "start_button":
                u = e.xbox.buttons.start ? 1 : 0;
                break;
              case "back_button":
                u = e.xbox.buttons.back ? 1 : 0;
                break;
              case "button_pressed":
                for (n = 0; n < this._current_buttons.length; ++n) {
                  this._current_buttons[n] && !this._previous_buttons[n] && this.triggerSlot(h, c.buttons[n]);
                }
            }
          } else {
            switch(n.name) {
              case "button_pressed":
                break;
              case "left_axis":
              case "right_axis":
                u = c.zero;
                break;
              default:
                u = 0;
            }
          }
          this.setOutputData(h, u);
        }
      }
    }
  };
  c.prototype.getGamepad = function() {
    var c = navigator.getGamepads || navigator.webkitGetGamepads || navigator.mozGetGamepads;
    if (!c) {
      return null;
    }
    c = c.call(navigator);
    this._previous_buttons.set(this._current_buttons);
    for (var h = this.properties.gamepad_index; 4 > h; h++) {
      if (c[h]) {
        c = c[h];
        h = this.xbox_mapping;
        h || (h = this.xbox_mapping = {axes:[], buttons:{}, hat:""});
        h.axes.lx = c.axes[0];
        h.axes.ly = c.axes[1];
        h.axes.rx = c.axes[2];
        h.axes.ry = c.axes[3];
        h.axes.ltrigger = c.buttons[6].value;
        h.axes.rtrigger = c.buttons[7].value;
        for (var n = 0; n < c.buttons.length; n++) {
          switch(this._current_buttons[n] = c.buttons[n].pressed, n) {
            case 0:
              h.buttons.a = c.buttons[n].pressed;
              break;
            case 1:
              h.buttons.b = c.buttons[n].pressed;
              break;
            case 2:
              h.buttons.x = c.buttons[n].pressed;
              break;
            case 3:
              h.buttons.y = c.buttons[n].pressed;
              break;
            case 4:
              h.buttons.lb = c.buttons[n].pressed;
              break;
            case 5:
              h.buttons.rb = c.buttons[n].pressed;
              break;
            case 6:
              h.buttons.lt = c.buttons[n].pressed;
              break;
            case 7:
              h.buttons.rt = c.buttons[n].pressed;
              break;
            case 8:
              h.buttons.back = c.buttons[n].pressed;
              break;
            case 9:
              h.buttons.start = c.buttons[n].pressed;
              break;
            case 10:
              h.buttons.ls = c.buttons[n].pressed;
              break;
            case 11:
              h.buttons.rs = c.buttons[n].pressed;
              break;
            case 12:
              c.buttons[n].pressed && (h.hat += "up");
              break;
            case 13:
              c.buttons[n].pressed && (h.hat += "down");
              break;
            case 14:
              c.buttons[n].pressed && (h.hat += "left");
              break;
            case 15:
              c.buttons[n].pressed && (h.hat += "right");
              break;
            case 16:
              h.buttons.home = c.buttons[n].pressed;
          }
        }
        c.xbox = h;
        return c;
      }
    }
  };
  c.prototype.onDrawBackground = function(c) {
    var e = this._left_axis, h = this._right_axis;
    c.strokeStyle = "#88A";
    c.strokeRect(0.5 * (e[0] + 1) * this.size[0] - 4, 0.5 * (e[1] + 1) * this.size[1] - 4, 8, 8);
    c.strokeStyle = "#8A8";
    c.strokeRect(0.5 * (h[0] + 1) * this.size[0] - 4, 0.5 * (h[1] + 1) * this.size[1] - 4, 8, 8);
    e = this.size[1] / this._current_buttons.length;
    c.fillStyle = "#AEB";
    for (h = 0; h < this._current_buttons.length; ++h) {
      this._current_buttons[h] && c.fillRect(0, e * h, 6, e);
    }
  };
  c.prototype.onGetOutputs = function() {
    return [["left_axis", "vec2"], ["right_axis", "vec2"], ["left_x_axis", "number"], ["left_y_axis", "number"], ["right_x_axis", "number"], ["right_y_axis", "number"], ["trigger_left", "number"], ["trigger_right", "number"], ["a_button", "number"], ["b_button", "number"], ["x_button", "number"], ["y_button", "number"], ["lb_button", "number"], ["rb_button", "number"], ["ls_button", "number"], ["rs_button", "number"], ["start", "number"], ["back", "number"], ["button_pressed", h.EVENT]];
  };
  h.registerNodeType("input/gamepad", c);
})(this);
(function(v) {
  function c() {
    this.addInput("in", "*");
    this.size = [60, 20];
  }
  function h() {
    this.addInput("in");
    this.addOutput("out");
    this.size = [60, 20];
  }
  function e() {
    this.addInput("in", "number", {locked:!0});
    this.addOutput("out", "number", {locked:!0});
    this.addProperty("in", 0);
    this.addProperty("in_min", 0);
    this.addProperty("in_max", 1);
    this.addProperty("out_min", 0);
    this.addProperty("out_max", 1);
  }
  function p() {
    this.addOutput("value", "number");
    this.addProperty("min", 0);
    this.addProperty("max", 1);
    this.size = [60, 20];
  }
  function n() {
    this.addInput("in", "number");
    this.addOutput("out", "number");
    this.size = [60, 20];
    this.addProperty("min", 0);
    this.addProperty("max", 1);
  }
  function u() {
    this.properties = {f:0.5};
    this.addInput("A", "number");
    this.addInput("B", "number");
    this.addOutput("out", "number");
  }
  function x() {
    this.addInput("in", "number");
    this.addOutput("out", "number");
    this.size = [60, 20];
  }
  function g() {
    this.addInput("in", "number");
    this.addOutput("out", "number");
    this.size = [60, 20];
  }
  function k() {
    this.addInput("in", "number");
    this.addOutput("out", "number");
    this.size = [60, 20];
  }
  function a() {
    this.addInput("in", "number");
    this.addOutput("out", "number");
    this.size = [60, 20];
    this.properties = {A:0, B:1};
  }
  function b() {
    this.addInput("in", "number", {label:""});
    this.addOutput("out", "number", {label:""});
    this.size = [60, 20];
    this.addProperty("factor", 1);
  }
  function d() {
    this.addInput("in", "number");
    this.addOutput("out", "number");
    this.size = [60, 20];
    this.addProperty("samples", 10);
    this._values = new Float32Array(10);
    this._current = 0;
  }
  function f() {
    this.addInput("A", "number");
    this.addInput("B", "number");
    this.addOutput("=", "number");
    this.addProperty("A", 1);
    this.addProperty("B", 1);
    this.addProperty("OP", "+", "string", {values:f.values});
  }
  function t() {
    this.addInput("A", "number");
    this.addInput("B", "number");
    this.addOutput("A==B", "boolean");
    this.addOutput("A!=B", "boolean");
    this.addProperty("A", 0);
    this.addProperty("B", 0);
  }
  function y() {
    this.addInput("A", "number");
    this.addInput("B", "number");
    this.addOutput("out", "boolean");
    this.addProperty("A", 1);
    this.addProperty("B", 1);
    this.addProperty("OP", ">", "string", {values:y.values});
    this.size = [60, 40];
  }
  function q() {
    this.addInput("inc", "number");
    this.addOutput("total", "number");
    this.addProperty("increment", 1);
    this.addProperty("value", 0);
  }
  function l() {
    this.addInput("v", "number");
    this.addOutput("sin", "number");
    this.addProperty("amplitude", 1);
    this.addProperty("offset", 0);
    this.bgImageUrl = "nodes/imgs/icon-sin.png";
  }
  function w() {
    this.addInput("vec2", "vec2");
    this.addOutput("x", "number");
    this.addOutput("y", "number");
  }
  function A() {
    this.addInputs([["x", "number"], ["y", "number"]]);
    this.addOutput("vec2", "vec2");
    this.properties = {x:0, y:0};
    this._data = new Float32Array(2);
  }
  function D() {
    this.addInput("vec3", "vec3");
    this.addOutput("x", "number");
    this.addOutput("y", "number");
    this.addOutput("z", "number");
  }
  function B() {
    this.addInputs([["x", "number"], ["y", "number"], ["z", "number"]]);
    this.addOutput("vec3", "vec3");
    this.properties = {x:0, y:0, z:0};
    this._data = new Float32Array(3);
  }
  function C() {
    this.addInput("vec4", "vec4");
    this.addOutput("x", "number");
    this.addOutput("y", "number");
    this.addOutput("z", "number");
    this.addOutput("w", "number");
  }
  function E() {
    this.addInputs([["x", "number"], ["y", "number"], ["z", "number"], ["w", "number"]]);
    this.addOutput("vec4", "vec4");
    this.properties = {x:0, y:0, z:0, w:0};
    this._data = new Float32Array(4);
  }
  var z = v.LiteGraph;
  c.title = "Converter";
  c.desc = "type A to type B";
  c.prototype.onExecute = function() {
    var a = this.getInputData(0);
    if (null != a && this.outputs) {
      for (var b = 0; b < this.outputs.length; b++) {
        var d = this.outputs[b];
        if (d.links && d.links.length) {
          var c = null;
          switch(d.name) {
            case "number":
              c = a.length ? a[0] : parseFloat(a);
              break;
            case "vec2":
            case "vec3":
            case "vec4":
              c = 1;
              switch(d.name) {
                case "vec2":
                  c = 2;
                  break;
                case "vec3":
                  c = 3;
                  break;
                case "vec4":
                  c = 4;
              }c = new Float32Array(c);
              if (a.length) {
                for (d = 0; d < a.length && d < c.length; d++) {
                  c[d] = a[d];
                }
              } else {
                c[0] = parseFloat(a);
              }
          }
          this.setOutputData(b, c);
        }
      }
    }
  };
  c.prototype.onGetOutputs = function() {
    return [["number", "number"], ["vec2", "vec2"], ["vec3", "vec3"], ["vec4", "vec4"]];
  };
  z.registerNodeType("math/converter", c);
  h.title = "Bypass";
  h.desc = "removes the type";
  h.prototype.onExecute = function() {
    var a = this.getInputData(0);
    this.setOutputData(0, a);
  };
  z.registerNodeType("math/bypass", h);
  e.title = "Range";
  e.desc = "Convert a number from one range to another";
  e.prototype.onExecute = function() {
    if (this.inputs) {
      for (var a = 0; a < this.inputs.length; a++) {
        var b = this.inputs[a], c = this.getInputData(a);
        void 0 !== c && (this.properties[b.name] = c);
      }
    }
    c = this.properties["in"];
    if (void 0 === c || null === c || c.constructor !== Number) {
      c = 0;
    }
    a = this.properties.in_min;
    b = this.properties.out_min;
    this._last_v = (c - a) / (this.properties.in_max - a) * (this.properties.out_max - b) + b;
    this.setOutputData(0, this._last_v);
  };
  e.prototype.onDrawBackground = function(a) {
    this.outputs[0].label = this._last_v ? this._last_v.toFixed(3) : "?";
  };
  e.prototype.onGetInputs = function() {
    return [["in_min", "number"], ["in_max", "number"], ["out_min", "number"], ["out_max", "number"]];
  };
  z.registerNodeType("math/range", e);
  p.title = "Rand";
  p.desc = "Random number";
  p.prototype.onExecute = function() {
    if (this.inputs) {
      for (var a = 0; a < this.inputs.length; a++) {
        var b = this.inputs[a], c = this.getInputData(a);
        void 0 !== c && (this.properties[b.name] = c);
      }
    }
    a = this.properties.min;
    this._last_v = Math.random() * (this.properties.max - a) + a;
    this.setOutputData(0, this._last_v);
  };
  p.prototype.onDrawBackground = function(a) {
    this.outputs[0].label = this._last_v ? this._last_v.toFixed(3) : "?";
  };
  p.prototype.onGetInputs = function() {
    return [["min", "number"], ["max", "number"]];
  };
  z.registerNodeType("math/rand", p);
  n.title = "Clamp";
  n.desc = "Clamp number between min and max";
  n.filter = "shader";
  n.prototype.onExecute = function() {
    var a = this.getInputData(0);
    null != a && (a = Math.max(this.properties.min, a), a = Math.min(this.properties.max, a), this.setOutputData(0, a));
  };
  n.prototype.getCode = function(a) {
    a = "";
    this.isInputConnected(0) && (a += "clamp({{0}}," + this.properties.min + "," + this.properties.max + ")");
    return a;
  };
  z.registerNodeType("math/clamp", n);
  u.title = "Lerp";
  u.desc = "Linear Interpolation";
  u.prototype.onExecute = function() {
    var a = this.getInputData(0);
    null == a && (a = 0);
    var b = this.getInputData(1);
    null == b && (b = 0);
    var c = this.properties.f, d = this.getInputData(2);
    void 0 !== d && (c = d);
    this.setOutputData(0, a * (1 - c) + b * c);
  };
  u.prototype.onGetInputs = function() {
    return [["f", "number"]];
  };
  z.registerNodeType("math/lerp", u);
  x.title = "Abs";
  x.desc = "Absolute";
  x.prototype.onExecute = function() {
    var a = this.getInputData(0);
    null != a && this.setOutputData(0, Math.abs(a));
  };
  z.registerNodeType("math/abs", x);
  g.title = "Floor";
  g.desc = "Floor number to remove fractional part";
  g.prototype.onExecute = function() {
    var a = this.getInputData(0);
    null != a && this.setOutputData(0, Math.floor(a));
  };
  z.registerNodeType("math/floor", g);
  k.title = "Frac";
  k.desc = "Returns fractional part";
  k.prototype.onExecute = function() {
    var a = this.getInputData(0);
    null != a && this.setOutputData(0, a % 1);
  };
  z.registerNodeType("math/frac", k);
  a.title = "Smoothstep";
  a.desc = "Smoothstep";
  a.prototype.onExecute = function() {
    var a = this.getInputData(0);
    if (void 0 !== a) {
      var b = this.properties.A;
      a = Math.clamp((a - b) / (this.properties.B - b), 0.0, 1.0);
      this.setOutputData(0, a * a * (3 - 2 * a));
    }
  };
  z.registerNodeType("math/smoothstep", a);
  b.title = "Scale";
  b.desc = "v * factor";
  b.prototype.onExecute = function() {
    var a = this.getInputData(0);
    null != a && this.setOutputData(0, a * this.properties.factor);
  };
  z.registerNodeType("math/scale", b);
  d.title = "Average";
  d.desc = "Average Filter";
  d.prototype.onExecute = function() {
    var a = this.getInputData(0);
    null == a && (a = 0);
    var b = this._values.length;
    this._values[this._current % b] = a;
    this._current += 1;
    this._current > b && (this._current = 0);
    for (var c = a = 0; c < b; ++c) {
      a += this._values[c];
    }
    this.setOutputData(0, a / b);
  };
  d.prototype.onPropertyChanged = function(a, b) {
    1 > b && (b = 1);
    this.properties.samples = Math.round(b);
    a = this._values;
    this._values = new Float32Array(this.properties.samples);
    a.length <= this._values.length ? this._values.set(a) : this._values.set(a.subarray(0, this._values.length));
  };
  z.registerNodeType("math/average", d);
  f.values = "+-*/%^".split("");
  f.title = "Operation";
  f.desc = "Easy math operators";
  f["@OP"] = {type:"enum", title:"operation", values:f.values};
  f.prototype.setValue = function(a) {
    "string" == typeof a && (a = parseFloat(a));
    this.properties.value = a;
  };
  f.prototype.onExecute = function() {
    var a = this.getInputData(0), b = this.getInputData(1);
    null != a ? this.properties.A = a : a = this.properties.A;
    null != b ? this.properties.B = b : b = this.properties.B;
    var c = 0;
    switch(this.properties.OP) {
      case "+":
        c = a + b;
        break;
      case "-":
        c = a - b;
        break;
      case "x":
      case "X":
      case "*":
        c = a * b;
        break;
      case "/":
        c = a / b;
        break;
      case "%":
        c = a % b;
        break;
      case "^":
        c = Math.pow(a, b);
        break;
      default:
        console.warn("Unknown operation: " + this.properties.OP);
    }
    this.setOutputData(0, c);
  };
  f.prototype.onDrawBackground = function(a) {
    this.flags.collapsed || (a.font = "40px Arial", a.fillStyle = "black", a.textAlign = "center", a.fillText(this.properties.OP, 0.5 * this.size[0], 0.5 * this.size[1] + z.NODE_TITLE_HEIGHT), a.textAlign = "left");
  };
  z.registerNodeType("math/operation", f);
  t.title = "Compare";
  t.desc = "compares between two values";
  t.prototype.onExecute = function() {
    var a = this.getInputData(0), b = this.getInputData(1);
    void 0 !== a ? this.properties.A = a : a = this.properties.A;
    void 0 !== b ? this.properties.B = b : b = this.properties.B;
    for (var c = 0, d = this.outputs.length; c < d; ++c) {
      var e = this.outputs[c];
      if (e.links && e.links.length) {
        switch(e.name) {
          case "A==B":
            value = a == b;
            break;
          case "A!=B":
            value = a != b;
            break;
          case "A>B":
            value = a > b;
            break;
          case "A<B":
            value = a < b;
            break;
          case "A<=B":
            value = a <= b;
            break;
          case "A>=B":
            value = a >= b;
        }
        this.setOutputData(c, value);
      }
    }
  };
  t.prototype.onGetOutputs = function() {
    return [["A==B", "boolean"], ["A!=B", "boolean"], ["A>B", "boolean"], ["A<B", "boolean"], ["A>=B", "boolean"], ["A<=B", "boolean"]];
  };
  z.registerNodeType("math/compare", t);
  y.values = "> < == != <= >=".split(" ");
  y["@OP"] = {type:"enum", title:"operation", values:y.values};
  y.title = "Condition";
  y.desc = "evaluates condition between A and B";
  y.prototype.onExecute = function() {
    var a = this.getInputData(0);
    void 0 === a ? a = this.properties.A : this.properties.A = a;
    var b = this.getInputData(1);
    void 0 === b ? b = this.properties.B : this.properties.B = b;
    var c = !0;
    switch(this.properties.OP) {
      case ">":
        c = a > b;
        break;
      case "<":
        c = a < b;
        break;
      case "==":
        c = a == b;
        break;
      case "!=":
        c = a != b;
        break;
      case "<=":
        c = a <= b;
        break;
      case ">=":
        c = a >= b;
    }
    this.setOutputData(0, c);
  };
  z.registerNodeType("math/condition", y);
  q.title = "Accumulate";
  q.desc = "Increments a value every time";
  q.prototype.onExecute = function() {
    null === this.properties.value && (this.properties.value = 0);
    var a = this.getInputData(0);
    this.properties.value = null !== a ? this.properties.value + a : this.properties.value + this.properties.increment;
    this.setOutputData(0, this.properties.value);
  };
  z.registerNodeType("math/accumulate", q);
  l.title = "Trigonometry";
  l.desc = "Sin Cos Tan";
  l.filter = "shader";
  l.prototype.onExecute = function() {
    var a = this.getInputData(0);
    null == a && (a = 0);
    var b = this.properties.amplitude, c = this.findInputSlot("amplitude");
    -1 != c && (b = this.getInputData(c));
    var d = this.properties.offset;
    c = this.findInputSlot("offset");
    -1 != c && (d = this.getInputData(c));
    c = 0;
    for (var e = this.outputs.length; c < e; ++c) {
      switch(this.outputs[c].name) {
        case "sin":
          value = Math.sin(a);
          break;
        case "cos":
          value = Math.cos(a);
          break;
        case "tan":
          value = Math.tan(a);
          break;
        case "asin":
          value = Math.asin(a);
          break;
        case "acos":
          value = Math.acos(a);
          break;
        case "atan":
          value = Math.atan(a);
      }
      this.setOutputData(c, b * value + d);
    }
  };
  l.prototype.onGetInputs = function() {
    return [["v", "number"], ["amplitude", "number"], ["offset", "number"]];
  };
  l.prototype.onGetOutputs = function() {
    return [["sin", "number"], ["cos", "number"], ["tan", "number"], ["asin", "number"], ["acos", "number"], ["atan", "number"]];
  };
  z.registerNodeType("math/trigonometry", l);
  var r = function() {
    this.addInputs("x", "number");
    this.addInputs("y", "number");
    this.addOutputs("", "number");
    this.properties = {x:1.0, y:1.0, formula:"x+y"};
  };
  r.title = "Formula";
  r.desc = "Compute safe formula";
  r.prototype.onExecute = function() {
    var a = this.getInputData(0), b = this.getInputData(1);
    null != a ? this.properties.x = a : a = this.properties.x;
    null != b ? this.properties.y = b : b = this.properties.y;
    a = math.eval(this.properties.formula, {x:a, y:b, T:this.graph.globaltime});
    this.setOutputData(0, a);
  };
  r.prototype.onDrawBackground = function() {
    this.outputs[0].label = this.properties.formula;
  };
  r.prototype.onGetOutputs = function() {
    return [["A-B", "number"], ["A*B", "number"], ["A/B", "number"]];
  };
  z.registerNodeType("math/formula", r);
  w.title = "Vec2->XY";
  w.desc = "vector 2 to components";
  w.prototype.onExecute = function() {
    var a = this.getInputData(0);
    null != a && (this.setOutputData(0, a[0]), this.setOutputData(1, a[1]));
  };
  z.registerNodeType("math3d/vec2-to-xyz", w);
  A.title = "XY->Vec2";
  A.desc = "components to vector2";
  A.prototype.onExecute = function() {
    var a = this.getInputData(0);
    null == a && (a = this.properties.x);
    var b = this.getInputData(1);
    null == b && (b = this.properties.y);
    var c = this._data;
    c[0] = a;
    c[1] = b;
    this.setOutputData(0, c);
  };
  z.registerNodeType("math3d/xy-to-vec2", A);
  D.title = "Vec3->XYZ";
  D.desc = "vector 3 to components";
  D.prototype.onExecute = function() {
    var a = this.getInputData(0);
    null != a && (this.setOutputData(0, a[0]), this.setOutputData(1, a[1]), this.setOutputData(2, a[2]));
  };
  z.registerNodeType("math3d/vec3-to-xyz", D);
  B.title = "XYZ->Vec3";
  B.desc = "components to vector3";
  B.prototype.onExecute = function() {
    var a = this.getInputData(0);
    null == a && (a = this.properties.x);
    var b = this.getInputData(1);
    null == b && (b = this.properties.y);
    var c = this.getInputData(2);
    null == c && (c = this.properties.z);
    var d = this._data;
    d[0] = a;
    d[1] = b;
    d[2] = c;
    this.setOutputData(0, d);
  };
  z.registerNodeType("math3d/xyz-to-vec3", B);
  C.title = "Vec4->XYZW";
  C.desc = "vector 4 to components";
  C.prototype.onExecute = function() {
    var a = this.getInputData(0);
    null != a && (this.setOutputData(0, a[0]), this.setOutputData(1, a[1]), this.setOutputData(2, a[2]), this.setOutputData(3, a[3]));
  };
  z.registerNodeType("math3d/vec4-to-xyzw", C);
  E.title = "XYZW->Vec4";
  E.desc = "components to vector4";
  E.prototype.onExecute = function() {
    var a = this.getInputData(0);
    null == a && (a = this.properties.x);
    var b = this.getInputData(1);
    null == b && (b = this.properties.y);
    var c = this.getInputData(2);
    null == c && (c = this.properties.z);
    var d = this.getInputData(3);
    null == d && (d = this.properties.w);
    var e = this._data;
    e[0] = a;
    e[1] = b;
    e[2] = c;
    e[3] = d;
    this.setOutputData(0, e);
  };
  z.registerNodeType("math3d/xyzw-to-vec4", E);
  if (v.glMatrix) {
    v = function() {
      this.addInputs([["A", "quat"], ["B", "quat"], ["factor", "number"]]);
      this.addOutput("slerp", "quat");
      this.addProperty("factor", 0.5);
      this._value = quat.create();
    };
    r = function() {
      this.addInputs([["A", "quat"], ["B", "quat"]]);
      this.addOutput("A*B", "quat");
      this._value = quat.create();
    };
    var F = function() {
      this.addInputs([["vec3", "vec3"], ["quat", "quat"]]);
      this.addOutput("result", "vec3");
      this.properties = {vec:[0, 0, 1]};
    }, G = function() {
      this.addInputs([["degrees", "number"], ["axis", "vec3"]]);
      this.addOutput("quat", "quat");
      this.properties = {angle:90.0, axis:vec3.fromValues(0, 1, 0)};
      this._value = quat.create();
    }, H = function() {
      this.addOutput("quat", "quat");
      this.properties = {x:0, y:0, z:0, w:1};
      this._value = quat.create();
    };
    H.title = "Quaternion";
    H.desc = "quaternion";
    H.prototype.onExecute = function() {
      this._value[0] = this.properties.x;
      this._value[1] = this.properties.y;
      this._value[2] = this.properties.z;
      this._value[3] = this.properties.w;
      this.setOutputData(0, this._value);
    };
    z.registerNodeType("math3d/quaternion", H);
    G.title = "Rotation";
    G.desc = "quaternion rotation";
    G.prototype.onExecute = function() {
      var a = this.getInputData(0);
      null == a && (a = this.properties.angle);
      var b = this.getInputData(1);
      null == b && (b = this.properties.axis);
      a = quat.setAxisAngle(this._value, b, 0.0174532925 * a);
      this.setOutputData(0, a);
    };
    z.registerNodeType("math3d/rotation", G);
    F.title = "Rot. Vec3";
    F.desc = "rotate a point";
    F.prototype.onExecute = function() {
      var a = this.getInputData(0);
      null == a && (a = this.properties.vec);
      var b = this.getInputData(1);
      null == b ? this.setOutputData(a) : this.setOutputData(0, vec3.transformQuat(vec3.create(), a, b));
    };
    z.registerNodeType("math3d/rotate_vec3", F);
    r.title = "Mult. Quat";
    r.desc = "rotate quaternion";
    r.prototype.onExecute = function() {
      var a = this.getInputData(0);
      if (null != a) {
        var b = this.getInputData(1);
        null != b && (a = quat.multiply(this._value, a, b), this.setOutputData(0, a));
      }
    };
    z.registerNodeType("math3d/mult-quat", r);
    v.title = "Quat Slerp";
    v.desc = "quaternion spherical interpolation";
    v.prototype.onExecute = function() {
      var a = this.getInputData(0);
      if (null != a) {
        var b = this.getInputData(1);
        if (null != b) {
          var c = this.properties.factor;
          null != this.getInputData(2) && (c = this.getInputData(2));
          a = quat.slerp(this._value, a, b, c);
          this.setOutputData(0, a);
        }
      }
    };
    z.registerNodeType("math3d/quat-slerp", v);
  }
})(this);
(function(v) {
  function c() {
    this.addInput("sel", "boolean");
    this.addOutput("value", "number");
    this.properties = {A:0, B:1};
    this.size = [60, 20];
  }
  v = v.LiteGraph;
  c.title = "Selector";
  c.desc = "outputs A if selector is true, B if selector is false";
  c.prototype.onExecute = function() {
    var c = this.getInputData(0);
    if (void 0 !== c) {
      for (var e = 1; e < this.inputs.length; e++) {
        var p = this.inputs[e], n = this.getInputData(e);
        void 0 !== n && (this.properties[p.name] = n);
      }
      e = this.properties.A;
      p = this.properties.B;
      this.setOutputData(0, c ? e : p);
    }
  };
  c.prototype.onGetInputs = function() {
    return [["A", 0], ["B", 0]];
  };
  v.registerNodeType("logic/selector", c);
})(this);
(function(v) {
  function c() {
    this.inputs = [];
    this.addOutput("frame", "image");
    this.properties = {url:""};
  }
  function h() {
    this.addInput("f", "number");
    this.addOutput("Color", "color");
    this.properties = {colorA:"#444444", colorB:"#44AAFF", colorC:"#44FFAA", colorD:"#FFFFFF"};
  }
  function e() {
    this.addInput("", "image");
    this.size = [200, 200];
  }
  function p() {
    this.addInputs([["img1", "image"], ["img2", "image"], ["fade", "number"]]);
    this.addOutput("", "image");
    this.properties = {fade:0.5, width:512, height:512};
  }
  function n() {
    this.addInput("", "image");
    this.addOutput("", "image");
    this.properties = {width:256, height:256, x:0, y:0, scale:1.0};
    this.size = [50, 20];
  }
  function u() {
    this.addInput("t", "number");
    this.addOutputs([["frame", "image"], ["t", "number"], ["d", "number"]]);
    this.properties = {url:""};
  }
  function x() {
    this.addOutput("Webcam", "image");
    this.properties = {};
  }
  var g = v.LiteGraph;
  c.title = "Image";
  c.desc = "Image loader";
  c.widgets = [{name:"load", text:"Load", type:"button"}];
  c.supported_extensions = ["jpg", "jpeg", "png", "gif"];
  c.prototype.onAdded = function() {
    "" != this.properties.url && null == this.img && this.loadImage(this.properties.url);
  };
  c.prototype.onDrawBackground = function(c) {
    this.img && 5 < this.size[0] && 5 < this.size[1] && c.drawImage(this.img, 0, 0, this.size[0], this.size[1]);
  };
  c.prototype.onExecute = function() {
    this.img || (this.boxcolor = "#000");
    this.img && this.img.width ? this.setOutputData(0, this.img) : this.setOutputData(0, null);
    this.img && this.img.dirty && (this.img.dirty = !1);
  };
  c.prototype.onPropertyChanged = function(c, a) {
    this.properties[c] = a;
    "url" == c && "" != a && this.loadImage(a);
    return !0;
  };
  c.prototype.loadImage = function(c, a) {
    if ("" == c) {
      this.img = null;
    } else {
      this.img = document.createElement("img");
      "http://" == c.substr(0, 7) && g.proxy && (c = g.proxy + c.substr(7));
      this.img.src = c;
      this.boxcolor = "#F95";
      var b = this;
      this.img.onload = function() {
        a && a(this);
        b.trace("Image loaded, size: " + b.img.width + "x" + b.img.height);
        this.dirty = !0;
        b.boxcolor = "#9F9";
        b.setDirtyCanvas(!0);
      };
    }
  };
  c.prototype.onWidget = function(c, a) {
    "load" == a.name && this.loadImage(this.properties.url);
  };
  c.prototype.onDropFile = function(c) {
    var a = this;
    this._url && URL.revokeObjectURL(this._url);
    this._url = URL.createObjectURL(c);
    this.properties.url = this._url;
    this.loadImage(this._url, function(b) {
      a.size[1] = b.height / b.width * a.size[0];
    });
  };
  g.registerNodeType("graphics/image", c);
  h.title = "Palette";
  h.desc = "Generates a color";
  h.prototype.onExecute = function() {
    var c = [];
    null != this.properties.colorA && c.push(hex2num(this.properties.colorA));
    null != this.properties.colorB && c.push(hex2num(this.properties.colorB));
    null != this.properties.colorC && c.push(hex2num(this.properties.colorC));
    null != this.properties.colorD && c.push(hex2num(this.properties.colorD));
    var a = this.getInputData(0);
    null == a && (a = 0.5);
    1.0 < a ? a = 1.0 : 0.0 > a && (a = 0.0);
    if (0 != c.length) {
      var b = [0, 0, 0];
      if (0 == a) {
        b = c[0];
      } else {
        if (1 == a) {
          b = c[c.length - 1];
        } else {
          var d = (c.length - 1) * a;
          a = c[Math.floor(d)];
          c = c[Math.floor(d) + 1];
          d -= Math.floor(d);
          b[0] = a[0] * (1 - d) + c[0] * d;
          b[1] = a[1] * (1 - d) + c[1] * d;
          b[2] = a[2] * (1 - d) + c[2] * d;
        }
      }
      for (var e in b) {
        b[e] /= 255;
      }
      this.boxcolor = colorToString(b);
      this.setOutputData(0, b);
    }
  };
  g.registerNodeType("color/palette", h);
  e.title = "Frame";
  e.desc = "Frame viewerew";
  e.widgets = [{name:"resize", text:"Resize box", type:"button"}, {name:"view", text:"View Image", type:"button"}];
  e.prototype.onDrawBackground = function(c) {
    this.frame && c.drawImage(this.frame, 0, 0, this.size[0], this.size[1]);
  };
  e.prototype.onExecute = function() {
    this.frame = this.getInputData(0);
    this.setDirtyCanvas(!0);
  };
  e.prototype.onWidget = function(c, a) {
    "resize" == a.name && this.frame ? (c = this.frame.width, a = this.frame.height, c || null == this.frame.videoWidth || (c = this.frame.videoWidth, a = this.frame.videoHeight), c && a && (this.size = [c, a]), this.setDirtyCanvas(!0, !0)) : "view" == a.name && this.show();
  };
  e.prototype.show = function() {
    showElement && this.frame && showElement(this.frame);
  };
  g.registerNodeType("graphics/frame", e);
  p.title = "Image fade";
  p.desc = "Fades between images";
  p.widgets = [{name:"resizeA", text:"Resize to A", type:"button"}, {name:"resizeB", text:"Resize to B", type:"button"}];
  p.prototype.onAdded = function() {
    this.createCanvas();
    var c = this.canvas.getContext("2d");
    c.fillStyle = "#000";
    c.fillRect(0, 0, this.properties.width, this.properties.height);
  };
  p.prototype.createCanvas = function() {
    this.canvas = document.createElement("canvas");
    this.canvas.width = this.properties.width;
    this.canvas.height = this.properties.height;
  };
  p.prototype.onExecute = function() {
    var c = this.canvas.getContext("2d");
    this.canvas.width = this.canvas.width;
    var a = this.getInputData(0);
    null != a && c.drawImage(a, 0, 0, this.canvas.width, this.canvas.height);
    a = this.getInputData(2);
    null == a ? a = this.properties.fade : this.properties.fade = a;
    c.globalAlpha = a;
    a = this.getInputData(1);
    null != a && c.drawImage(a, 0, 0, this.canvas.width, this.canvas.height);
    c.globalAlpha = 1.0;
    this.setOutputData(0, this.canvas);
    this.setDirtyCanvas(!0);
  };
  g.registerNodeType("graphics/imagefade", p);
  n.title = "Crop";
  n.desc = "Crop Image";
  n.prototype.onAdded = function() {
    this.createCanvas();
  };
  n.prototype.createCanvas = function() {
    this.canvas = document.createElement("canvas");
    this.canvas.width = this.properties.width;
    this.canvas.height = this.properties.height;
  };
  n.prototype.onExecute = function() {
    var c = this.getInputData(0);
    c && (c.width ? (this.canvas.getContext("2d").drawImage(c, -this.properties.x, -this.properties.y, c.width * this.properties.scale, c.height * this.properties.scale), this.setOutputData(0, this.canvas)) : this.setOutputData(0, null));
  };
  n.prototype.onDrawBackground = function(c) {
    this.flags.collapsed || this.canvas && c.drawImage(this.canvas, 0, 0, this.canvas.width, this.canvas.height, 0, 0, this.size[0], this.size[1]);
  };
  n.prototype.onPropertyChanged = function(c, a) {
    this.properties[c] = a;
    "scale" == c ? (this.properties[c] = parseFloat(a), 0 == this.properties[c] && (this.trace("Error in scale"), this.properties[c] = 1.0)) : this.properties[c] = parseInt(a);
    this.createCanvas();
    return !0;
  };
  g.registerNodeType("graphics/cropImage", n);
  u.title = "Video";
  u.desc = "Video playback";
  u.widgets = [{name:"play", text:"PLAY", type:"minibutton"}, {name:"stop", text:"STOP", type:"minibutton"}, {name:"demo", text:"Demo video", type:"button"}, {name:"mute", text:"Mute video", type:"button"}];
  u.prototype.onExecute = function() {
    if (this.properties.url && (this.properties.url != this._video_url && this.loadVideo(this.properties.url), this._video && 0 != this._video.width)) {
      var c = this.getInputData(0);
      c && 0 <= c && 1.0 >= c && (this._video.currentTime = c * this._video.duration, this._video.pause());
      this._video.dirty = !0;
      this.setOutputData(0, this._video);
      this.setOutputData(1, this._video.currentTime);
      this.setOutputData(2, this._video.duration);
      this.setDirtyCanvas(!0);
    }
  };
  u.prototype.onStart = function() {
    this.play();
  };
  u.prototype.onStop = function() {
    this.stop();
  };
  u.prototype.loadVideo = function(c) {
    this._video_url = c;
    this._video = document.createElement("video");
    this._video.src = c;
    this._video.type = "type=video/mp4";
    this._video.muted = !0;
    this._video.autoplay = !0;
    var a = this;
    this._video.addEventListener("loadedmetadata", function(b) {
      a.trace("Duration: " + this.duration + " seconds");
      a.trace("Size: " + this.videoWidth + "," + this.videoHeight);
      a.setDirtyCanvas(!0);
      this.width = this.videoWidth;
      this.height = this.videoHeight;
    });
    this._video.addEventListener("progress", function(a) {
    });
    this._video.addEventListener("error", function(b) {
      console.log("Error loading video: " + this.src);
      a.trace("Error loading video: " + this.src);
      if (this.error) {
        switch(this.error.code) {
          case this.error.MEDIA_ERR_ABORTED:
            a.trace("You stopped the video.");
            break;
          case this.error.MEDIA_ERR_NETWORK:
            a.trace("Network error - please try again later.");
            break;
          case this.error.MEDIA_ERR_DECODE:
            a.trace("Video is broken..");
            break;
          case this.error.MEDIA_ERR_SRC_NOT_SUPPORTED:
            a.trace("Sorry, your browser can't play this video.");
        }
      }
    });
    this._video.addEventListener("ended", function(b) {
      a.trace("Ended.");
      this.play();
    });
  };
  u.prototype.onPropertyChanged = function(c, a) {
    this.properties[c] = a;
    "url" == c && "" != a && this.loadVideo(a);
    return !0;
  };
  u.prototype.play = function() {
    this._video && this._video.play();
  };
  u.prototype.playPause = function() {
    this._video && (this._video.paused ? this.play() : this.pause());
  };
  u.prototype.stop = function() {
    this._video && (this._video.pause(), this._video.currentTime = 0);
  };
  u.prototype.pause = function() {
    this._video && (this.trace("Video paused"), this._video.pause());
  };
  u.prototype.onWidget = function(c, a) {
  };
  g.registerNodeType("graphics/video", u);
  x.title = "Webcam";
  x.desc = "Webcam image";
  x.prototype.openStream = function() {
    navigator.getUserMedia = navigator.getUserMedia || navigator.webkitGetUserMedia || navigator.mozGetUserMedia || navigator.msGetUserMedia;
    window.URL = window.URL || window.webkitURL;
    if (navigator.getUserMedia) {
      this._waiting_confirmation = !0;
      navigator.getUserMedia({video:!0}, this.streamReady.bind(this), function(a) {
        console.log("Webcam rejected", a);
        c._webcam_stream = !1;
        c.box_color = "red";
      });
      var c = this;
    }
  };
  x.prototype.onRemoved = function() {
    this._webcam_stream && (this._webcam_stream.stop(), this._video = this._webcam_stream = null);
  };
  x.prototype.streamReady = function(c) {
    this._webcam_stream = c;
    var a = this._video;
    a || (a = document.createElement("video"), a.autoplay = !0, a.src = window.URL.createObjectURL(c), this._video = a, a.onloadedmetadata = function(a) {
      console.log(a);
    });
  };
  x.prototype.onExecute = function() {
    null != this._webcam_stream || this._waiting_confirmation || this.openStream();
    this._video && this._video.videoWidth && (this._video.width = this._video.videoWidth, this._video.height = this._video.videoHeight, this.setOutputData(0, this._video));
  };
  x.prototype.getExtraMenuOptions = function(c) {
    var a = this;
    return [{content:a.properties.show ? "Hide Frame" : "Show Frame", callback:function() {
      a.properties.show = !a.properties.show;
    }}];
  };
  x.prototype.onDrawBackground = function(c) {
    this.flags.collapsed || 20 >= this.size[1] || !this.properties.show || !this._video || (c.save(), c.drawImage(this._video, 0, 0, this.size[0], this.size[1]), c.restore());
  };
  g.registerNodeType("graphics/webcam", x);
})(this);
(function(v) {
  var c = v.LiteGraph;
  v.LGraphTexture = null;
  if ("undefined" != typeof GL) {
    var h = function() {
      this.addOutput("Cubemap", "Cubemap");
      this.properties = {name:""};
      this.size = [r.image_preview_size, r.image_preview_size];
    }, e = function() {
      this.addInput("in", "Texture");
      this.addOutput("out", "Texture");
      this.properties = {key_color:vec3.fromValues(0., 1., 0.), threshold:0.8, slope:0.2, precision:r.DEFAULT};
      e._shader || (e._shader = new GL.Shader(GL.Shader.SCREEN_VERTEX_SHADER, e.pixel_shader));
    }, p = function() {
      this.addOutput("Webcam", "Texture");
      this.properties = {texture_name:""};
    }, n = function() {
      this.addInput("Texture", "Texture");
      this.addOutput("Filtered", "Texture");
      this.properties = {intensity:1, radius:5};
    }, u = function() {
      this.addInput("Texture", "Texture");
      this.addInput("Iterations", "number");
      this.addInput("Intensity", "number");
      this.addOutput("Blurred", "Texture");
      this.properties = {intensity:1, iterations:1, preserve_aspect:!1, scale:[1, 1]};
    }, x = function() {
      this.addInput("Texture", "Texture");
      this.addInput("Distance", "number");
      this.addInput("Range", "number");
      this.addOutput("Texture", "Texture");
      this.properties = {distance:100, range:50, only_depth:!1, high_precision:!1};
      this._uniforms = {u_texture:0, u_distance:100, u_range:50, u_camera_planes:null};
    }, g = function() {
      this.addInput("Tex.", "Texture");
      this.addOutput("Edges", "Texture");
      this.properties = {invert:!0, factor:1, precision:r.DEFAULT};
      g._shader || (g._shader = new GL.Shader(Shader.SCREEN_VERTEX_SHADER, g.pixel_shader));
    }, k = function() {
      this.addInput("A", "Texture");
      this.addInput("B", "Texture");
      this.addInput("Mixer", "Texture");
      this.addOutput("Texture", "Texture");
      this.properties = {precision:r.DEFAULT};
      k._shader || (k._shader = new GL.Shader(Shader.SCREEN_VERTEX_SHADER, k.pixel_shader));
    }, a = function() {
      this.addInput("A", "color");
      this.addInput("B", "color");
      this.addOutput("Texture", "Texture");
      this.properties = {angle:0, scale:1, A:[0, 0, 0], B:[1, 1, 1], texture_size:32};
      a._shader || (a._shader = new GL.Shader(Shader.SCREEN_VERTEX_SHADER, a.pixel_shader));
      this._uniforms = {u_angle:0, u_colorA:vec3.create(), u_colorB:vec3.create()};
    }, b = function() {
      this.addInput("R", "Texture");
      this.addInput("G", "Texture");
      this.addInput("B", "Texture");
      this.addInput("A", "Texture");
      this.addOutput("Texture", "Texture");
      this.properties = {};
      b._shader || (b._shader = new GL.Shader(Shader.SCREEN_VERTEX_SHADER, b.pixel_shader));
    }, d = function() {
      this.addInput("Texture", "Texture");
      this.addOutput("R", "Texture");
      this.addOutput("G", "Texture");
      this.addOutput("B", "Texture");
      this.addOutput("A", "Texture");
      this.properties = {};
      d._shader || (d._shader = new GL.Shader(Shader.SCREEN_VERTEX_SHADER, d.pixel_shader));
    }, f = function() {
      this.addInput("Texture", "Texture");
      this.addInput("LUT", "Texture");
      this.addInput("Intensity", "number");
      this.addOutput("", "Texture");
      this.properties = {intensity:1, precision:r.DEFAULT, texture:null};
      f._shader || (f._shader = new GL.Shader(Shader.SCREEN_VERTEX_SHADER, f.pixel_shader));
    }, t = function() {
      this.addInput("Image", "image");
      this.addOutput("", "Texture");
      this.properties = {};
    }, y = function() {
      this.addInput("Texture", "Texture");
      this.addOutput("", "Texture");
      this.properties = {mipmap_offset:0, low_precision:!1};
      this._uniforms = {u_texture:0, u_mipmap_offset:this.properties.mipmap_offset};
    }, q = function() {
      this.addInput("Texture", "Texture");
      this.addOutput("", "Texture");
      this.properties = {iterations:1, generate_mipmaps:!1, precision:r.DEFAULT};
    }, l = function() {
      this.addInput("Texture", "Texture");
      this.addOutput("", "Texture");
      this.properties = {size:0, generate_mipmaps:!1, precision:r.DEFAULT};
    }, w = function() {
      this.addInput("Texture", "Texture");
      this.properties = {additive:!1, antialiasing:!1, filter:!0, disable_alpha:!1, gamma:1.0};
      this.size[0] = 130;
    }, A = function() {
      this.addInput("in", "Texture");
      this.addInput("warp", "Texture");
      this.addInput("factor", "number");
      this.addOutput("out", "Texture");
      this.properties = {factor:0.01, precision:r.DEFAULT};
    }, D = function() {
      this.addInput("in", "Texture");
      this.addInput("scale", "vec2");
      this.addInput("offset", "vec2");
      this.addOutput("out", "Texture");
      this.properties = {offset:vec2.fromValues(0, 0), scale:vec2.fromValues(1, 1), precision:r.DEFAULT};
    }, B = function() {
      this.addOutput("Texture", "Texture");
      this.properties = {code:"", width:512, height:512};
      this.properties.code = "\nvoid main() {\n  vec2 uv = v_coord;\n  vec3 color = vec3(0.0);\n//your code here\n\ngl_FragColor = vec4(color, 1.0);\n}\n";
    }, C = function() {
      this.addInput("Texture", "Texture");
      this.addInput("TextureB", "Texture");
      this.addInput("value", "number");
      this.addOutput("Texture", "Texture");
      this.help = "<p>pixelcode must be vec3</p>\r\n\t\t\t<p>uvcode must be vec2, is optional</p>\r\n\t\t\t<p><strong>uv:</strong> tex. coords</p><p><strong>color:</strong> texture</p><p><strong>colorB:</strong> textureB</p><p><strong>time:</strong> scene time</p><p><strong>value:</strong> input value</p>";
      this.properties = {value:1, uvcode:"", pixelcode:"color + colorB * value", precision:r.DEFAULT};
    }, E = function() {
      this.addInput("Texture", "Texture");
      this.addOutput("", "Texture");
      this.properties = {name:""};
    }, z = function() {
      this.addInput("Texture", "Texture");
      this.properties = {flipY:!1};
      this.size = [r.image_preview_size, r.image_preview_size];
    }, r = function() {
      this.addOutput("Texture", "Texture");
      this.properties = {name:"", filter:!0};
      this.size = [r.image_preview_size, r.image_preview_size];
    };
    v.LGraphTexture = r;
    r.title = "Texture";
    r.desc = "Texture";
    r.widgets_info = {name:{widget:"texture"}, filter:{widget:"checkbox"}};
    r.loadTextureCallback = null;
    r.image_preview_size = 256;
    r.PASS_THROUGH = 1;
    r.COPY = 2;
    r.LOW = 3;
    r.HIGH = 4;
    r.REUSE = 5;
    r.DEFAULT = 2;
    r.MODE_VALUES = {"pass through":r.PASS_THROUGH, copy:r.COPY, low:r.LOW, high:r.HIGH, reuse:r.REUSE, "default":r.DEFAULT};
    r.getTexturesContainer = function() {
      return gl.textures;
    };
    r.loadTexture = function(a, b) {
      b = b || {};
      var d = a;
      "http://" == d.substr(0, 7) && c.proxy && (d = c.proxy + d.substr(7));
      return r.getTexturesContainer()[a] = GL.Texture.fromURL(d, b);
    };
    r.getTexture = function(a) {
      var b = this.getTexturesContainer();
      if (!b) {
        throw "Cannot load texture, container of textures not found";
      }
      b = b[a];
      return !b && a && ":" != a[0] ? this.loadTexture(a) : b;
    };
    r.getTargetTexture = function(a, b, c) {
      if (!a) {
        throw "LGraphTexture.getTargetTexture expects a reference texture";
      }
      switch(c) {
        case r.LOW:
          c = gl.UNSIGNED_BYTE;
          break;
        case r.HIGH:
          c = gl.HIGH_PRECISION_FORMAT;
          break;
        case r.REUSE:
          return a;
        default:
          c = a ? a.type : gl.UNSIGNED_BYTE;
      }
      b && b.width == a.width && b.height == a.height && b.type == c || (b = new GL.Texture(a.width, a.height, {type:c, format:gl.RGBA, filter:gl.LINEAR}));
      return b;
    };
    r.getNoiseTexture = function() {
      if (this._noise_texture) {
        return this._noise_texture;
      }
      for (var a = new Uint8Array(1048576), b = 0; 1048576 > b; ++b) {
        a[b] = 255 * Math.random();
      }
      return this._noise_texture = a = GL.Texture.fromMemory(512, 512, a, {format:gl.RGBA, wrap:gl.REPEAT, filter:gl.NEAREST});
    };
    r.prototype.onDropFile = function(a, b, c) {
      a ? ("string" == typeof a ? a = GL.Texture.fromURL(a) : -1 != b.toLowerCase().indexOf(".dds") ? a = GL.Texture.fromDDSInMemory(a) : (a = new Blob([c]), a = URL.createObjectURL(a), a = GL.Texture.fromURL(a)), this._drop_texture = a, this.properties.name = b) : (this._drop_texture = null, this.properties.name = "");
    };
    r.prototype.getExtraMenuOptions = function(a) {
      var b = this;
      if (this._drop_texture) {
        return [{content:"Clear", callback:function() {
          b._drop_texture = null;
          b.properties.name = "";
        }}];
      }
    };
    r.prototype.onExecute = function() {
      var a = null;
      this.isOutputConnected(1) && (a = this.getInputData(0));
      !a && this._drop_texture && (a = this._drop_texture);
      !a && this.properties.name && (a = r.getTexture(this.properties.name));
      if (a) {
        this._last_tex = a;
        !1 === this.properties.filter ? a.setParameter(gl.TEXTURE_MAG_FILTER, gl.NEAREST) : a.setParameter(gl.TEXTURE_MAG_FILTER, gl.LINEAR);
        this.setOutputData(0, a);
        for (var b = 1; b < this.outputs.length; b++) {
          var c = this.outputs[b];
          if (c) {
            var d = null;
            "width" == c.name ? d = a.width : "height" == c.name ? d = a.height : "aspect" == c.name && (d = a.width / a.height);
            this.setOutputData(b, d);
          }
        }
      }
    };
    r.prototype.onResourceRenamed = function(a, b) {
      this.properties.name == a && (this.properties.name = b);
    };
    r.prototype.onDrawBackground = function(a) {
      if (!(this.flags.collapsed || 20 >= this.size[1])) {
        if (this._drop_texture && a.webgl) {
          a.drawImage(this._drop_texture, 0, 0, this.size[0], this.size[1]);
        } else {
          if (this._last_preview_tex != this._last_tex) {
            if (a.webgl) {
              this._canvas = this._last_tex;
            } else {
              var b = r.generateLowResTexturePreview(this._last_tex);
              if (!b) {
                return;
              }
              this._last_preview_tex = this._last_tex;
              this._canvas = cloneCanvas(b);
            }
          }
          this._canvas && (a.save(), a.webgl || (a.translate(0, this.size[1]), a.scale(1, -1)), a.drawImage(this._canvas, 0, 0, this.size[0], this.size[1]), a.restore());
        }
      }
    };
    r.generateLowResTexturePreview = function(a) {
      if (!a) {
        return null;
      }
      var b = r.image_preview_size, c = a;
      if (a.format == gl.DEPTH_COMPONENT) {
        return null;
      }
      if (a.width > b || a.height > b) {
        c = this._preview_temp_tex, this._preview_temp_tex || (this._preview_temp_tex = c = new GL.Texture(b, b, {minFilter:gl.NEAREST})), a.copyTo(c);
      }
      a = this._preview_canvas;
      a || (this._preview_canvas = a = createCanvas(b, b));
      c && c.toCanvas(a);
      return a;
    };
    r.prototype.getResources = function(a) {
      a[this.properties.name] = GL.Texture;
      return a;
    };
    r.prototype.onGetInputs = function() {
      return [["in", "Texture"]];
    };
    r.prototype.onGetOutputs = function() {
      return [["width", "number"], ["height", "number"], ["aspect", "number"]];
    };
    c.registerNodeType("texture/texture", r);
    z.title = "Preview";
    z.desc = "Show a texture in the graph canvas";
    z.allow_preview = !1;
    z.prototype.onDrawBackground = function(a) {
      if (!this.flags.collapsed && (a.webgl || z.allow_preview)) {
        var b = this.getInputData(0);
        b && (b = !b.handle && a.webgl ? b : r.generateLowResTexturePreview(b), a.save(), this.properties.flipY && (a.translate(0, this.size[1]), a.scale(1, -1)), a.drawImage(b, 0, 0, this.size[0], this.size[1]), a.restore());
      }
    };
    c.registerNodeType("texture/preview", z);
    E.title = "Save";
    E.desc = "Save a texture in the repository";
    E.prototype.onExecute = function() {
      var a = this.getInputData(0);
      a && (this.properties.name && (r.storeTexture ? r.storeTexture(this.properties.name, a) : r.getTexturesContainer()[this.properties.name] = a), this.setOutputData(0, a));
    };
    c.registerNodeType("texture/save", E);
    C.widgets_info = {uvcode:{widget:"textarea", height:100}, pixelcode:{widget:"textarea", height:100}, precision:{widget:"combo", values:r.MODE_VALUES}};
    C.title = "Operation";
    C.desc = "Texture shader operation";
    C.prototype.getExtraMenuOptions = function(a) {
      var b = this;
      return [{content:b.properties.show ? "Hide Texture" : "Show Texture", callback:function() {
        b.properties.show = !b.properties.show;
      }}];
    };
    C.prototype.onDrawBackground = function(a) {
      this.flags.collapsed || 20 >= this.size[1] || !this.properties.show || !this._tex || this._tex.gl != a || (a.save(), a.drawImage(this._tex, 0, 0, this.size[0], this.size[1]), a.restore());
    };
    C.prototype.onExecute = function() {
      var a = this.getInputData(0);
      if (this.isOutputConnected(0)) {
        if (this.properties.precision === r.PASS_THROUGH) {
          this.setOutputData(0, a);
        } else {
          var b = this.getInputData(1);
          if (this.properties.uvcode || this.properties.pixelcode) {
            var c = 512, d = 512;
            a ? (c = a.width, d = a.height) : b && (c = b.width, d = b.height);
            this._tex = a || this._tex ? r.getTargetTexture(a || this._tex, this._tex, this.properties.precision) : new GL.Texture(c, d, {type:this.precision === r.LOW ? gl.UNSIGNED_BYTE : gl.HIGH_PRECISION_FORMAT, format:gl.RGBA, filter:gl.LINEAR});
            var e = "";
            this.properties.uvcode && (e = "uv = " + this.properties.uvcode, -1 != this.properties.uvcode.indexOf(";") && (e = this.properties.uvcode));
            var f = "";
            this.properties.pixelcode && (f = "result = " + this.properties.pixelcode, -1 != this.properties.pixelcode.indexOf(";") && (f = this.properties.pixelcode));
            var g = this._shader;
            if (!g || this._shader_code != e + "|" + f) {
              try {
                this._shader = new GL.Shader(Shader.SCREEN_VERTEX_SHADER, C.pixel_shader, {UV_CODE:e, PIXEL_CODE:f}), this.boxcolor = "#00FF00";
              } catch (I) {
                console.log("Error compiling shader: ", I);
                this.boxcolor = "#FF0000";
                return;
              }
              this.boxcolor = "#FF0000";
              this._shader_code = e + "|" + f;
              g = this._shader;
            }
            if (g) {
              this.boxcolor = "green";
              var l = this.getInputData(2);
              null != l ? this.properties.value = l : l = parseFloat(this.properties.value);
              var h = this.graph.getTime();
              this._tex.drawTo(function() {
                gl.disable(gl.DEPTH_TEST);
                gl.disable(gl.CULL_FACE);
                gl.disable(gl.BLEND);
                a && a.bind(0);
                b && b.bind(1);
                var e = Mesh.getScreenQuad();
                g.uniforms({u_texture:0, u_textureB:1, value:l, texSize:[c, d], time:h}).draw(e);
              });
              this.setOutputData(0, this._tex);
            } else {
              this.boxcolor = "red";
            }
          }
        }
      }
    };
    C.pixel_shader = "precision highp float;\n\r\n\t\t\t\n\r\n\t\t\tuniform sampler2D u_texture;\n\r\n\t\t\tuniform sampler2D u_textureB;\n\r\n\t\t\tvarying vec2 v_coord;\n\r\n\t\t\tuniform vec2 texSize;\n\r\n\t\t\tuniform float time;\n\r\n\t\t\tuniform float value;\n\r\n\t\t\t\n\r\n\t\t\tvoid main() {\n\r\n\t\t\t\tvec2 uv = v_coord;\n\r\n\t\t\t\tUV_CODE;\n\r\n\t\t\t\tvec4 color4 = texture2D(u_texture, uv);\n\r\n\t\t\t\tvec3 color = color4.rgb;\n\r\n\t\t\t\tvec4 color4B = texture2D(u_textureB, uv);\n\r\n\t\t\t\tvec3 colorB = color4B.rgb;\n\r\n\t\t\t\tvec3 result = color;\n\r\n\t\t\t\tfloat alpha = 1.0;\n\r\n\t\t\t\tPIXEL_CODE;\n\r\n\t\t\t\tgl_FragColor = vec4(result, alpha);\n\r\n\t\t\t}\n\r\n\t\t\t";
    c.registerNodeType("texture/operation", C);
    B.title = "Shader";
    B.desc = "Texture shader";
    B.widgets_info = {code:{type:"code"}, precision:{widget:"combo", values:r.MODE_VALUES}};
    B.prototype.onPropertyChanged = function(a, b) {
      if ("code" == a && (a = this.getShader())) {
        b = a.uniformInfo;
        if (this.inputs) {
          for (var c = {}, d = 0; d < this.inputs.length; ++d) {
            var e = this.getInputInfo(d);
            e && (b[e.name] && !c[e.name] ? c[e.name] = !0 : (this.removeInput(d), d--));
          }
        }
        for (d in b) {
          if (e = a.uniformInfo[d], null !== e.loc && "time" != d) {
            if (this._shader.samplers[d]) {
              b = "texture";
            } else {
              switch(e.size) {
                case 1:
                  b = "number";
                  break;
                case 2:
                  b = "vec2";
                  break;
                case 3:
                  b = "vec3";
                  break;
                case 4:
                  b = "vec4";
                  break;
                case 9:
                  b = "mat3";
                  break;
                case 16:
                  b = "mat4";
                  break;
                default:
                  continue;
              }
            }
            c = this.findInputSlot(d);
            if (-1 != c && (e = this.getInputInfo(c))) {
              if (e.type == b) {
                continue;
              }
              this.removeInput(c, b);
            }
            this.addInput(d, b);
          }
        }
      }
    };
    B.prototype.getShader = function() {
      if (this._shader && this._shader_code == this.properties.code) {
        return this._shader;
      }
      this._shader_code = this.properties.code;
      this._shader = new GL.Shader(Shader.SCREEN_VERTEX_SHADER, B.pixel_shader + this.properties.code), this.boxcolor = "green";
      return this._shader;
    };
    B.prototype.onExecute = function() {
      if (this.isOutputConnected(0)) {
        var a = this.getShader();
        if (a) {
          for (var b = 0; b < this.inputs.length; ++b) {
            var c = this.getInputInfo(b), d = this.getInputData(b);
            null != d && (d.constructor === GL.Texture && (d.bind(slot), d = slot, slot++), a.setUniform(c.name, d));
          }
          this._tex && this._tex.width == this.properties.width && this._tex.height == this.properties.height || (this._tex = new GL.Texture(this.properties.width, this.properties.height, {format:gl.RGBA, filter:gl.LINEAR}));
          var e = this._tex, f = this.graph.getTime();
          e.drawTo(function() {
            a.uniforms({texSize:[e.width, e.height], time:f}).draw(Mesh.getScreenQuad());
          });
          this.setOutputData(0, this._tex);
        }
      }
    };
    B.pixel_shader = "precision highp float;\n\r\n\t\t\t\n\r\n\t\t\tvarying vec2 v_coord;\n\r\n\t\t\tuniform float time;\n\r\n\t\t\t";
    c.registerNodeType("texture/shader", B);
    D.widgets_info = {precision:{widget:"combo", values:r.MODE_VALUES}};
    D.title = "Scale/Offset";
    D.desc = "Applies an scaling and offseting";
    D.prototype.onExecute = function() {
      var a = this.getInputData(0);
      if (this.isOutputConnected(0) && a) {
        if (this.properties.precision === r.PASS_THROUGH) {
          this.setOutputData(0, a);
        } else {
          var b = a.width, c = a.height, d = this.precision === r.LOW ? gl.UNSIGNED_BYTE : gl.HIGH_PRECISION_FORMAT;
          this.precision === r.DEFAULT && (d = a.type);
          this._tex && this._tex.width == b && this._tex.height == c && this._tex.type == d || (this._tex = new GL.Texture(b, c, {type:d, format:gl.RGBA, filter:gl.LINEAR}));
          var e = this._shader;
          e || (e = new GL.Shader(GL.Shader.SCREEN_VERTEX_SHADER, D.pixel_shader));
          var f = this.getInputData(1);
          f ? (this.properties.scale[0] = f[0], this.properties.scale[1] = f[1]) : f = this.properties.scale;
          var g = this.getInputData(2);
          g ? (this.properties.offset[0] = g[0], this.properties.offset[1] = g[1]) : g = this.properties.offset;
          this._tex.drawTo(function() {
            gl.disable(gl.DEPTH_TEST);
            gl.disable(gl.CULL_FACE);
            gl.disable(gl.BLEND);
            a.bind(0);
            var b = Mesh.getScreenQuad();
            e.uniforms({u_texture:0, u_scale:f, u_offset:g}).draw(b);
          });
          this.setOutputData(0, this._tex);
        }
      }
    };
    D.pixel_shader = "precision highp float;\n\r\n\t\t\t\n\r\n\t\t\tuniform sampler2D u_texture;\n\r\n\t\t\tuniform sampler2D u_textureB;\n\r\n\t\t\tvarying vec2 v_coord;\n\r\n\t\t\tuniform vec2 u_scale;\n\r\n\t\t\tuniform vec2 u_offset;\n\r\n\t\t\t\n\r\n\t\t\tvoid main() {\n\r\n\t\t\t\tvec2 uv = v_coord;\n\r\n\t\t\t\tuv = uv / u_scale - u_offset;\n\r\n\t\t\t\tgl_FragColor = texture2D(u_texture, uv);\n\r\n\t\t\t}\n\r\n\t\t\t";
    c.registerNodeType("texture/scaleOffset", D);
    A.widgets_info = {precision:{widget:"combo", values:r.MODE_VALUES}};
    A.title = "Warp";
    A.desc = "Texture warp operation";
    A.prototype.onExecute = function() {
      var a = this.getInputData(0);
      if (this.isOutputConnected(0)) {
        if (this.properties.precision === r.PASS_THROUGH) {
          this.setOutputData(0, a);
        } else {
          var b = this.getInputData(1), c = 512, d = 512;
          a ? (c = a.width, d = a.height) : b && (c = b.width, d = b.height);
          this._tex = a || this._tex ? r.getTargetTexture(a || this._tex, this._tex, this.properties.precision) : new GL.Texture(c, d, {type:this.precision === r.LOW ? gl.UNSIGNED_BYTE : gl.HIGH_PRECISION_FORMAT, format:gl.RGBA, filter:gl.LINEAR});
          var e = this._shader;
          e || (e = new GL.Shader(GL.Shader.SCREEN_VERTEX_SHADER, A.pixel_shader));
          var f = this.getInputData(2);
          null != f ? this.properties.factor = f : f = parseFloat(this.properties.factor);
          this._tex.drawTo(function() {
            gl.disable(gl.DEPTH_TEST);
            gl.disable(gl.CULL_FACE);
            gl.disable(gl.BLEND);
            a && a.bind(0);
            b && b.bind(1);
            var c = Mesh.getScreenQuad();
            e.uniforms({u_texture:0, u_textureB:1, u_factor:f}).draw(c);
          });
          this.setOutputData(0, this._tex);
        }
      }
    };
    A.pixel_shader = "precision highp float;\n\r\n\t\t\t\n\r\n\t\t\tuniform sampler2D u_texture;\n\r\n\t\t\tuniform sampler2D u_textureB;\n\r\n\t\t\tvarying vec2 v_coord;\n\r\n\t\t\tuniform float u_factor;\n\r\n\t\t\t\n\r\n\t\t\tvoid main() {\n\r\n\t\t\t\tvec2 uv = v_coord;\n\r\n\t\t\t\tuv += ( texture2D(u_textureB, uv).rg - vec2(0.5)) * u_factor;\n\r\n\t\t\t\tgl_FragColor = texture2D(u_texture, uv);\n\r\n\t\t\t}\n\r\n\t\t\t";
    c.registerNodeType("texture/warp", A);
    w.title = "to Viewport";
    w.desc = "Texture to viewport";
    w.prototype.onExecute = function() {
      var a = this.getInputData(0);
      if (a) {
        this.properties.disable_alpha ? gl.disable(gl.BLEND) : (gl.enable(gl.BLEND), this.properties.additive ? gl.blendFunc(gl.SRC_ALPHA, gl.ONE) : gl.blendFunc(gl.SRC_ALPHA, gl.ONE_MINUS_SRC_ALPHA));
        gl.disable(gl.DEPTH_TEST);
        var b = this.properties.gamma || 1.0;
        this.isInputConnected(1) && (b = this.getInputData(1));
        a.setParameter(gl.TEXTURE_MAG_FILTER, this.properties.filter ? gl.LINEAR : gl.NEAREST);
        if (this.properties.antialiasing) {
          w._shader || (w._shader = new GL.Shader(GL.Shader.SCREEN_VERTEX_SHADER, w.aa_pixel_shader));
          gl.getViewport();
          var c = Mesh.getScreenQuad();
          a.bind(0);
          w._shader.uniforms({u_texture:0, uViewportSize:[a.width, a.height], u_igamma:1 / b, inverseVP:[1 / a.width, 1 / a.height]}).draw(c);
        } else {
          1.0 != b ? (w._gamma_shader || (w._gamma_shader = new GL.Shader(Shader.SCREEN_VERTEX_SHADER, w.gamma_pixel_shader)), a.toViewport(w._gamma_shader, {u_texture:0, u_igamma:1 / b})) : a.toViewport();
        }
      }
    };
    w.prototype.onGetInputs = function() {
      return [["gamma", "number"]];
    };
    w.aa_pixel_shader = "precision highp float;\n\r\n\t\t\tprecision highp float;\n\r\n\t\t\tvarying vec2 v_coord;\n\r\n\t\t\tuniform sampler2D u_texture;\n\r\n\t\t\tuniform vec2 uViewportSize;\n\r\n\t\t\tuniform vec2 inverseVP;\n\r\n\t\t\tuniform float u_igamma;\n\r\n\t\t\t#define FXAA_REDUCE_MIN   (1.0/ 128.0)\n\r\n\t\t\t#define FXAA_REDUCE_MUL   (1.0 / 8.0)\n\r\n\t\t\t#define FXAA_SPAN_MAX     8.0\n\r\n\t\t\t\n\r\n\t\t\t/* from mitsuhiko/webgl-meincraft based on the code on geeks3d.com */\n\r\n\t\t\tvec4 applyFXAA(sampler2D tex, vec2 fragCoord)\n\r\n\t\t\t{\n\r\n\t\t\t\tvec4 color = vec4(0.0);\n\r\n\t\t\t\t/*vec2 inverseVP = vec2(1.0 / uViewportSize.x, 1.0 / uViewportSize.y);*/\n\r\n\t\t\t\tvec3 rgbNW = texture2D(tex, (fragCoord + vec2(-1.0, -1.0)) * inverseVP).xyz;\n\r\n\t\t\t\tvec3 rgbNE = texture2D(tex, (fragCoord + vec2(1.0, -1.0)) * inverseVP).xyz;\n\r\n\t\t\t\tvec3 rgbSW = texture2D(tex, (fragCoord + vec2(-1.0, 1.0)) * inverseVP).xyz;\n\r\n\t\t\t\tvec3 rgbSE = texture2D(tex, (fragCoord + vec2(1.0, 1.0)) * inverseVP).xyz;\n\r\n\t\t\t\tvec3 rgbM  = texture2D(tex, fragCoord  * inverseVP).xyz;\n\r\n\t\t\t\tvec3 luma = vec3(0.299, 0.587, 0.114);\n\r\n\t\t\t\tfloat lumaNW = dot(rgbNW, luma);\n\r\n\t\t\t\tfloat lumaNE = dot(rgbNE, luma);\n\r\n\t\t\t\tfloat lumaSW = dot(rgbSW, luma);\n\r\n\t\t\t\tfloat lumaSE = dot(rgbSE, luma);\n\r\n\t\t\t\tfloat lumaM  = dot(rgbM,  luma);\n\r\n\t\t\t\tfloat lumaMin = min(lumaM, min(min(lumaNW, lumaNE), min(lumaSW, lumaSE)));\n\r\n\t\t\t\tfloat lumaMax = max(lumaM, max(max(lumaNW, lumaNE), max(lumaSW, lumaSE)));\n\r\n\t\t\t\t\n\r\n\t\t\t\tvec2 dir;\n\r\n\t\t\t\tdir.x = -((lumaNW + lumaNE) - (lumaSW + lumaSE));\n\r\n\t\t\t\tdir.y =  ((lumaNW + lumaSW) - (lumaNE + lumaSE));\n\r\n\t\t\t\t\n\r\n\t\t\t\tfloat dirReduce = max((lumaNW + lumaNE + lumaSW + lumaSE) * (0.25 * FXAA_REDUCE_MUL), FXAA_REDUCE_MIN);\n\r\n\t\t\t\t\n\r\n\t\t\t\tfloat rcpDirMin = 1.0 / (min(abs(dir.x), abs(dir.y)) + dirReduce);\n\r\n\t\t\t\tdir = min(vec2(FXAA_SPAN_MAX, FXAA_SPAN_MAX), max(vec2(-FXAA_SPAN_MAX, -FXAA_SPAN_MAX), dir * rcpDirMin)) * inverseVP;\n\r\n\t\t\t\t\n\r\n\t\t\t\tvec3 rgbA = 0.5 * (texture2D(tex, fragCoord * inverseVP + dir * (1.0 / 3.0 - 0.5)).xyz + \n\r\n\t\t\t\t\ttexture2D(tex, fragCoord * inverseVP + dir * (2.0 / 3.0 - 0.5)).xyz);\n\r\n\t\t\t\tvec3 rgbB = rgbA * 0.5 + 0.25 * (texture2D(tex, fragCoord * inverseVP + dir * -0.5).xyz + \n\r\n\t\t\t\t\ttexture2D(tex, fragCoord * inverseVP + dir * 0.5).xyz);\n\r\n\t\t\t\t\n\r\n\t\t\t\t//return vec4(rgbA,1.0);\n\r\n\t\t\t\tfloat lumaB = dot(rgbB, luma);\n\r\n\t\t\t\tif ((lumaB < lumaMin) || (lumaB > lumaMax))\n\r\n\t\t\t\t\tcolor = vec4(rgbA, 1.0);\n\r\n\t\t\t\telse\n\r\n\t\t\t\t\tcolor = vec4(rgbB, 1.0);\n\r\n\t\t\t\tif(u_igamma != 1.0)\n\r\n\t\t\t\t\tcolor.xyz = pow( color.xyz, vec3(u_igamma) );\n\r\n\t\t\t\treturn color;\n\r\n\t\t\t}\n\r\n\t\t\t\n\r\n\t\t\tvoid main() {\n\r\n\t\t\t   gl_FragColor = applyFXAA( u_texture, v_coord * uViewportSize) ;\n\r\n\t\t\t}\n\r\n\t\t\t";
    w.gamma_pixel_shader = "precision highp float;\n\r\n\t\t\tprecision highp float;\n\r\n\t\t\tvarying vec2 v_coord;\n\r\n\t\t\tuniform sampler2D u_texture;\n\r\n\t\t\tuniform float u_igamma;\n\r\n\t\t\tvoid main() {\n\r\n\t\t\t\tvec4 color = texture2D( u_texture, v_coord);\n\r\n\t\t\t\tcolor.xyz = pow(color.xyz, vec3(u_igamma) );\n\r\n\t\t\t   gl_FragColor = color;\n\r\n\t\t\t}\n\r\n\t\t\t";
    c.registerNodeType("texture/toviewport", w);
    l.title = "Copy";
    l.desc = "Copy Texture";
    l.widgets_info = {size:{widget:"combo", values:[0, 32, 64, 128, 256, 512, 1024, 2048]}, precision:{widget:"combo", values:r.MODE_VALUES}};
    l.prototype.onExecute = function() {
      var a = this.getInputData(0);
      if ((a || this._temp_texture) && this.isOutputConnected(0)) {
        if (a) {
          var b = a.width, c = a.height;
          0 != this.properties.size && (c = b = this.properties.size);
          var d = this._temp_texture, e = a.type;
          this.properties.precision === r.LOW ? e = gl.UNSIGNED_BYTE : this.properties.precision === r.HIGH && (e = gl.HIGH_PRECISION_FORMAT);
          d && d.width == b && d.height == c && d.type == e || (d = gl.LINEAR, this.properties.generate_mipmaps && isPowerOfTwo(b) && isPowerOfTwo(c) && (d = gl.LINEAR_MIPMAP_LINEAR), this._temp_texture = new GL.Texture(b, c, {type:e, format:gl.RGBA, minFilter:d, magFilter:gl.LINEAR}));
          a.copyTo(this._temp_texture);
          this.properties.generate_mipmaps && (this._temp_texture.bind(0), gl.generateMipmap(this._temp_texture.texture_type), this._temp_texture.unbind(0));
        }
        this.setOutputData(0, this._temp_texture);
      }
    };
    c.registerNodeType("texture/copy", l);
    q.title = "Downsample";
    q.desc = "Downsample Texture";
    q.widgets_info = {iterations:{type:"number", step:1, precision:0, min:1}, precision:{widget:"combo", values:r.MODE_VALUES}};
    q.prototype.onExecute = function() {
      var a = this.getInputData(0);
      if ((a || this._temp_texture) && this.isOutputConnected(0) && a && a.texture_type === GL.TEXTURE_2D) {
        var b = q._shader;
        b || (q._shader = b = new GL.Shader(GL.Shader.SCREEN_VERTEX_SHADER, q.pixel_shader));
        var c = a.width | 0, d = a.height | 0, e = a.type;
        this.properties.precision === r.LOW ? e = gl.UNSIGNED_BYTE : this.properties.precision === r.HIGH && (e = gl.HIGH_PRECISION_FORMAT);
        var f = this.properties.iterations || 1, g = a, l = [];
        e = {type:e, format:a.format};
        var h = vec2.create(), k = {u_offset:h};
        this._texture && GL.Texture.releaseTemporary(this._texture);
        for (var w = 0; w < f; ++w) {
          h[0] = 1 / c;
          h[1] = 1 / d;
          c = c >> 1 || 0;
          d = d >> 1 || 0;
          a = GL.Texture.getTemporary(c, d, e);
          l.push(a);
          g.setParameter(GL.TEXTURE_MAG_FILTER, GL.NEAREST);
          g.copyTo(a, b, k);
          if (1 == c && 1 == d) {
            break;
          }
          g = a;
        }
        this._texture = l.pop();
        for (w = 0; w < l.length; ++w) {
          GL.Texture.releaseTemporary(l[w]);
        }
        this.properties.generate_mipmaps && (this._texture.bind(0), gl.generateMipmap(this._texture.texture_type), this._texture.unbind(0));
        this.setOutputData(0, this._texture);
      }
    };
    q.pixel_shader = "precision highp float;\n\r\n\t\t\tprecision highp float;\n\r\n\t\t\tuniform sampler2D u_texture;\n\r\n\t\t\tuniform vec2 u_offset;\n\r\n\t\t\tvarying vec2 v_coord;\n\r\n\t\t\t\n\r\n\t\t\tvoid main() {\n\r\n\t\t\t\tvec4 color = texture2D(u_texture, v_coord );\n\r\n\t\t\t\tcolor += texture2D(u_texture, v_coord + vec2( u_offset.x, 0.0 ) );\n\r\n\t\t\t\tcolor += texture2D(u_texture, v_coord + vec2( 0.0, u_offset.y ) );\n\r\n\t\t\t\tcolor += texture2D(u_texture, v_coord + vec2( u_offset.x, u_offset.y ) );\n\r\n\t\t\t   gl_FragColor = color * 0.25;\n\r\n\t\t\t}\n\r\n\t\t\t";
    c.registerNodeType("texture/downsample", q);
    y.title = "Average";
    y.desc = "Compute a partial average (32 random samples) of a texture and stores it as a 1x1 pixel texture";
    y.prototype.onExecute = function() {
      var a = this.getInputData(0);
      if (a && this.isOutputConnected(0)) {
        if (!y._shader) {
          y._shader = new GL.Shader(GL.Shader.SCREEN_VERTEX_SHADER, y.pixel_shader);
          for (var b = new Float32Array(32), c = 0; 32 > c; ++c) {
            b[c] = Math.random();
          }
          y._shader.uniforms({u_samples_a:b.subarray(0, 16), u_samples_b:b.subarray(16, 32)});
        }
        b = this._temp_texture;
        c = this.properties.low_precision ? gl.UNSIGNED_BYTE : a.type;
        b && b.type == c || (this._temp_texture = new GL.Texture(1, 1, {type:c, format:gl.RGBA, filter:gl.NEAREST}));
        var d = y._shader, e = this._uniforms;
        e.u_mipmap_offset = this.properties.mipmap_offset;
        this._temp_texture.drawTo(function() {
          a.toViewport(d, e);
        });
        this.setOutputData(0, this._temp_texture);
      }
    };
    y.pixel_shader = "precision highp float;\n\r\n\t\t\tprecision highp float;\n\r\n\t\t\tuniform mat4 u_samples_a;\n\r\n\t\t\tuniform mat4 u_samples_b;\n\r\n\t\t\tuniform sampler2D u_texture;\n\r\n\t\t\tuniform float u_mipmap_offset;\n\r\n\t\t\tvarying vec2 v_coord;\n\r\n\t\t\t\n\r\n\t\t\tvoid main() {\n\r\n\t\t\t\tvec4 color = vec4(0.0);\n\r\n\t\t\t\tfor(int i = 0; i < 4; ++i)\n\r\n\t\t\t\t\tfor(int j = 0; j < 4; ++j)\n\r\n\t\t\t\t\t{\n\r\n\t\t\t\t\t\tcolor += texture2D(u_texture, vec2( u_samples_a[i][j], u_samples_b[i][j] ), u_mipmap_offset );\n\r\n\t\t\t\t\t\tcolor += texture2D(u_texture, vec2( 1.0 - u_samples_a[i][j], 1.0 - u_samples_b[i][j] ), u_mipmap_offset );\n\r\n\t\t\t\t\t}\n\r\n\t\t\t   gl_FragColor = color * 0.03125;\n\r\n\t\t\t}\n\r\n\t\t\t";
    c.registerNodeType("texture/average", y);
    t.title = "Image to Texture";
    t.desc = "Uploads an image to the GPU";
    t.prototype.onExecute = function() {
      var a = this.getInputData(0);
      if (a) {
        var b = a.videoWidth || a.width, c = a.videoHeight || a.height;
        if (a.gltexture) {
          this.setOutputData(0, a.gltexture);
        } else {
          var d = this._temp_texture;
          d && d.width == b && d.height == c || (this._temp_texture = new GL.Texture(b, c, {format:gl.RGBA, filter:gl.LINEAR}));
          try {
            this._temp_texture.uploadImage(a);
          } catch (J) {
            console.error("image comes from an unsafe location, cannot be uploaded to webgl");
            return;
          }
          this.setOutputData(0, this._temp_texture);
        }
      }
    };
    c.registerNodeType("texture/imageToTexture", t);
    f.widgets_info = {precision:{widget:"combo", values:r.MODE_VALUES}};
    f.title = "LUT";
    f.desc = "Apply LUT to Texture";
    f.widgets_info = {texture:{widget:"texture"}};
    f.prototype.onExecute = function() {
      if (this.isOutputConnected(0)) {
        var a = this.getInputData(0);
        if (this.properties.precision === r.PASS_THROUGH) {
          this.setOutputData(0, a);
        } else {
          if (a) {
            var b = this.getInputData(1);
            b || (b = r.getTexture(this.properties.texture));
            if (b) {
              b.bind(0);
              gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.LINEAR);
              gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE);
              gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE);
              gl.bindTexture(gl.TEXTURE_2D, null);
              var c = this.properties.intensity;
              this.isInputConnected(2) && (this.properties.intensity = c = this.getInputData(2));
              this._tex = r.getTargetTexture(a, this._tex, this.properties.precision);
              this._tex.drawTo(function() {
                b.bind(1);
                a.toViewport(f._shader, {u_texture:0, u_textureB:1, u_amount:c});
              });
              this.setOutputData(0, this._tex);
            } else {
              this.setOutputData(0, a);
            }
          }
        }
      }
    };
    f.pixel_shader = "precision highp float;\n\r\n\t\t\tprecision highp float;\n\r\n\t\t\tvarying vec2 v_coord;\n\r\n\t\t\tuniform sampler2D u_texture;\n\r\n\t\t\tuniform sampler2D u_textureB;\n\r\n\t\t\tuniform float u_amount;\n\r\n\t\t\t\n\r\n\t\t\tvoid main() {\n\r\n\t\t\t\t lowp vec4 textureColor = clamp( texture2D(u_texture, v_coord), vec4(0.0), vec4(1.0) );\n\r\n\t\t\t\t mediump float blueColor = textureColor.b * 63.0;\n\r\n\t\t\t\t mediump vec2 quad1;\n\r\n\t\t\t\t quad1.y = floor(floor(blueColor) / 8.0);\n\r\n\t\t\t\t quad1.x = floor(blueColor) - (quad1.y * 8.0);\n\r\n\t\t\t\t mediump vec2 quad2;\n\r\n\t\t\t\t quad2.y = floor(ceil(blueColor) / 8.0);\n\r\n\t\t\t\t quad2.x = ceil(blueColor) - (quad2.y * 8.0);\n\r\n\t\t\t\t highp vec2 texPos1;\n\r\n\t\t\t\t texPos1.x = (quad1.x * 0.125) + 0.5/512.0 + ((0.125 - 1.0/512.0) * textureColor.r);\n\r\n\t\t\t\t texPos1.y = 1.0 - ((quad1.y * 0.125) + 0.5/512.0 + ((0.125 - 1.0/512.0) * textureColor.g));\n\r\n\t\t\t\t highp vec2 texPos2;\n\r\n\t\t\t\t texPos2.x = (quad2.x * 0.125) + 0.5/512.0 + ((0.125 - 1.0/512.0) * textureColor.r);\n\r\n\t\t\t\t texPos2.y = 1.0 - ((quad2.y * 0.125) + 0.5/512.0 + ((0.125 - 1.0/512.0) * textureColor.g));\n\r\n\t\t\t\t lowp vec4 newColor1 = texture2D(u_textureB, texPos1);\n\r\n\t\t\t\t lowp vec4 newColor2 = texture2D(u_textureB, texPos2);\n\r\n\t\t\t\t lowp vec4 newColor = mix(newColor1, newColor2, fract(blueColor));\n\r\n\t\t\t\t gl_FragColor = vec4( mix( textureColor.rgb, newColor.rgb, u_amount), textureColor.w);\n\r\n\t\t\t}\n\r\n\t\t\t";
    c.registerNodeType("texture/LUT", f);
    d.title = "Texture to Channels";
    d.desc = "Split texture channels";
    d.prototype.onExecute = function() {
      var a = this.getInputData(0);
      if (a) {
        this._channels || (this._channels = Array(4));
        for (var b = 0, c = 0; 4 > c; c++) {
          this.isOutputConnected(c) ? (this._channels[c] && this._channels[c].width == a.width && this._channels[c].height == a.height && this._channels[c].type == a.type || (this._channels[c] = new GL.Texture(a.width, a.height, {type:a.type, format:gl.RGBA, filter:gl.LINEAR})), b++) : this._channels[c] = null;
        }
        if (b) {
          gl.disable(gl.BLEND);
          gl.disable(gl.DEPTH_TEST);
          var e = Mesh.getScreenQuad(), f = d._shader, g = [[1, 0, 0, 0], [0, 1, 0, 0], [0, 0, 1, 0], [0, 0, 0, 1]];
          for (c = 0; 4 > c; c++) {
            this._channels[c] && (this._channels[c].drawTo(function() {
              a.bind(0);
              f.uniforms({u_texture:0, u_mask:g[c]}).draw(e);
            }), this.setOutputData(c, this._channels[c]));
          }
        }
      }
    };
    d.pixel_shader = "precision highp float;\n\r\n\t\t\tprecision highp float;\n\r\n\t\t\tvarying vec2 v_coord;\n\r\n\t\t\tuniform sampler2D u_texture;\n\r\n\t\t\tuniform vec4 u_mask;\n\r\n\t\t\t\n\r\n\t\t\tvoid main() {\n\r\n\t\t\t   gl_FragColor = vec4( vec3( length( texture2D(u_texture, v_coord) * u_mask )), 1.0 );\n\r\n\t\t\t}\n\r\n\t\t\t";
    c.registerNodeType("texture/textureChannels", d);
    b.title = "Channels to Texture";
    b.desc = "Split texture channels";
    b.prototype.onExecute = function() {
      var a = [this.getInputData(0), this.getInputData(1), this.getInputData(2), this.getInputData(3)];
      if (a[0] && a[1] && a[2] && a[3]) {
        gl.disable(gl.BLEND);
        gl.disable(gl.DEPTH_TEST);
        var c = Mesh.getScreenQuad(), d = b._shader;
        this._tex = r.getTargetTexture(a[0], this._tex);
        this._tex.drawTo(function() {
          a[0].bind(0);
          a[1].bind(1);
          a[2].bind(2);
          a[3].bind(3);
          d.uniforms({u_textureR:0, u_textureG:1, u_textureB:2, u_textureA:3}).draw(c);
        });
        this.setOutputData(0, this._tex);
      }
    };
    b.pixel_shader = "precision highp float;\n\r\n\t\t\tprecision highp float;\n\r\n\t\t\tvarying vec2 v_coord;\n\r\n\t\t\tuniform sampler2D u_textureR;\n\r\n\t\t\tuniform sampler2D u_textureG;\n\r\n\t\t\tuniform sampler2D u_textureB;\n\r\n\t\t\tuniform sampler2D u_textureA;\n\r\n\t\t\t\n\r\n\t\t\tvoid main() {\n\r\n\t\t\t   gl_FragColor = vec4( \r\n\t\t\t\t\t\ttexture2D(u_textureR, v_coord).r,\r\n\t\t\t\t\t\ttexture2D(u_textureG, v_coord).r,\r\n\t\t\t\t\t\ttexture2D(u_textureB, v_coord).r,\r\n\t\t\t\t\t\ttexture2D(u_textureA, v_coord).r);\n\r\n\t\t\t}\n\r\n\t\t\t";
    c.registerNodeType("texture/channelsTexture", b);
    a.title = "Gradient";
    a.desc = "Generates a gradient";
    a["@A"] = {type:"color"};
    a["@B"] = {type:"color"};
    a["@texture_size"] = {type:"enum", values:[32, 64, 128, 256, 512]};
    a.prototype.onExecute = function() {
      gl.disable(gl.BLEND);
      gl.disable(gl.DEPTH_TEST);
      var b = GL.Mesh.getScreenQuad(), c = a._shader, d = this.getInputData(0);
      d || (d = this.properties.A);
      var e = this.getInputData(1);
      e || (e = this.properties.B);
      for (var f = 2; f < this.inputs.length; f++) {
        var g = this.inputs[f], l = this.getInputData(f);
        void 0 !== l && (this.properties[g.name] = l);
      }
      var h = this._uniforms;
      this._uniforms.u_angle = this.properties.angle * DEG2RAD;
      this._uniforms.u_scale = this.properties.scale;
      vec3.copy(h.u_colorA, d);
      vec3.copy(h.u_colorB, e);
      d = parseInt(this.properties.texture_size);
      this._tex && this._tex.width == d || (this._tex = new GL.Texture(d, d, {format:gl.RGB, filter:gl.LINEAR}));
      this._tex.drawTo(function() {
        c.uniforms(h).draw(b);
      });
      this.setOutputData(0, this._tex);
    };
    a.prototype.onGetInputs = function() {
      return [["angle", "number"], ["scale", "number"]];
    };
    a.pixel_shader = "precision highp float;\n\r\n\t\t\tprecision highp float;\n\r\n\t\t\tvarying vec2 v_coord;\n\r\n\t\t\tuniform float u_angle;\n\r\n\t\t\tuniform float u_scale;\n\r\n\t\t\tuniform vec3 u_colorA;\n\r\n\t\t\tuniform vec3 u_colorB;\n\r\n\t\t\t\n\r\n\t\t\tvec2 rotate(vec2 v, float angle)\n\r\n\t\t\t{\n\r\n\t\t\t\tvec2 result;\n\r\n\t\t\t\tfloat _cos = cos(angle);\n\r\n\t\t\t\tfloat _sin = sin(angle);\n\r\n\t\t\t\tresult.x = v.x * _cos - v.y * _sin;\n\r\n\t\t\t\tresult.y = v.x * _sin + v.y * _cos;\n\r\n\t\t\t\treturn result;\n\r\n\t\t\t}\n\r\n\t\t\tvoid main() {\n\r\n\t\t\t\tfloat f = (rotate(u_scale * (v_coord - vec2(0.5)), u_angle) + vec2(0.5)).x;\n\r\n\t\t\t\tvec3 color = mix(u_colorA,u_colorB,clamp(f,0.0,1.0));\n\r\n\t\t\t   gl_FragColor = vec4(color,1.0);\n\r\n\t\t\t}\n\r\n\t\t\t";
    c.registerNodeType("texture/gradient", a);
    k.title = "Mix";
    k.desc = "Generates a texture mixing two textures";
    k.widgets_info = {precision:{widget:"combo", values:r.MODE_VALUES}};
    k.prototype.onExecute = function() {
      var a = this.getInputData(0);
      if (this.isOutputConnected(0)) {
        if (this.properties.precision === r.PASS_THROUGH) {
          this.setOutputData(0, a);
        } else {
          var b = this.getInputData(1), c = this.getInputData(2);
          if (a && b && c) {
            this._tex = r.getTargetTexture(a, this._tex, this.properties.precision);
            gl.disable(gl.BLEND);
            gl.disable(gl.DEPTH_TEST);
            var d = Mesh.getScreenQuad(), e = k._shader;
            this._tex.drawTo(function() {
              a.bind(0);
              b.bind(1);
              c.bind(2);
              e.uniforms({u_textureA:0, u_textureB:1, u_textureMix:2}).draw(d);
            });
            this.setOutputData(0, this._tex);
          }
        }
      }
    };
    k.pixel_shader = "precision highp float;\n\r\n\t\t\tprecision highp float;\n\r\n\t\t\tvarying vec2 v_coord;\n\r\n\t\t\tuniform sampler2D u_textureA;\n\r\n\t\t\tuniform sampler2D u_textureB;\n\r\n\t\t\tuniform sampler2D u_textureMix;\n\r\n\t\t\t\n\r\n\t\t\tvoid main() {\n\r\n\t\t\t   gl_FragColor = mix( texture2D(u_textureA, v_coord), texture2D(u_textureB, v_coord), texture2D(u_textureMix, v_coord) );\n\r\n\t\t\t}\n\r\n\t\t\t";
    c.registerNodeType("texture/mix", k);
    g.title = "Edges";
    g.desc = "Detects edges";
    g.widgets_info = {precision:{widget:"combo", values:r.MODE_VALUES}};
    g.prototype.onExecute = function() {
      if (this.isOutputConnected(0)) {
        var a = this.getInputData(0);
        if (this.properties.precision === r.PASS_THROUGH) {
          this.setOutputData(0, a);
        } else {
          if (a) {
            this._tex = r.getTargetTexture(a, this._tex, this.properties.precision);
            gl.disable(gl.BLEND);
            gl.disable(gl.DEPTH_TEST);
            var b = Mesh.getScreenQuad(), c = g._shader, d = this.properties.invert, e = this.properties.factor;
            this._tex.drawTo(function() {
              a.bind(0);
              c.uniforms({u_texture:0, u_isize:[1 / a.width, 1 / a.height], u_factor:e, u_invert:d ? 1 : 0}).draw(b);
            });
            this.setOutputData(0, this._tex);
          }
        }
      }
    };
    g.pixel_shader = "precision highp float;\n\r\n\t\t\tprecision highp float;\n\r\n\t\t\tvarying vec2 v_coord;\n\r\n\t\t\tuniform sampler2D u_texture;\n\r\n\t\t\tuniform vec2 u_isize;\n\r\n\t\t\tuniform int u_invert;\n\r\n\t\t\tuniform float u_factor;\n\r\n\t\t\t\n\r\n\t\t\tvoid main() {\n\r\n\t\t\t\tvec4 center = texture2D(u_texture, v_coord);\n\r\n\t\t\t\tvec4 up = texture2D(u_texture, v_coord + u_isize * vec2(0.0,1.0) );\n\r\n\t\t\t\tvec4 down = texture2D(u_texture, v_coord + u_isize * vec2(0.0,-1.0) );\n\r\n\t\t\t\tvec4 left = texture2D(u_texture, v_coord + u_isize * vec2(1.0,0.0) );\n\r\n\t\t\t\tvec4 right = texture2D(u_texture, v_coord + u_isize * vec2(-1.0,0.0) );\n\r\n\t\t\t\tvec4 diff = abs(center - up) + abs(center - down) + abs(center - left) + abs(center - right);\n\r\n\t\t\t\tdiff *= u_factor;\n\r\n\t\t\t\tif(u_invert == 1)\n\r\n\t\t\t\t\tdiff.xyz = vec3(1.0) - diff.xyz;\n\r\n\t\t\t   gl_FragColor = vec4( diff.xyz, center.a );\n\r\n\t\t\t}\n\r\n\t\t\t";
    c.registerNodeType("texture/edges", g);
    x.title = "Depth Range";
    x.desc = "Generates a texture with a depth range";
    x.prototype.onExecute = function() {
      if (this.isOutputConnected(0)) {
        var a = this.getInputData(0);
        if (a) {
          var b = gl.UNSIGNED_BYTE;
          this.properties.high_precision && (b = gl.half_float_ext ? gl.HALF_FLOAT_OES : gl.FLOAT);
          this._temp_texture && this._temp_texture.type == b && this._temp_texture.width == a.width && this._temp_texture.height == a.height || (this._temp_texture = new GL.Texture(a.width, a.height, {type:b, format:gl.RGBA, filter:gl.LINEAR}));
          var c = this._uniforms;
          b = this.properties.distance;
          this.isInputConnected(1) && (b = this.getInputData(1), this.properties.distance = b);
          var d = this.properties.range;
          this.isInputConnected(2) && (d = this.getInputData(2), this.properties.range = d);
          c.u_distance = b;
          c.u_range = d;
          gl.disable(gl.BLEND);
          gl.disable(gl.DEPTH_TEST);
          var e = Mesh.getScreenQuad();
          x._shader || (x._shader = new GL.Shader(Shader.SCREEN_VERTEX_SHADER, x.pixel_shader), x._shader_onlydepth = new GL.Shader(Shader.SCREEN_VERTEX_SHADER, x.pixel_shader, {ONLY_DEPTH:""}));
          var f = this.properties.only_depth ? x._shader_onlydepth : x._shader;
          b = null;
          b = a.near_far_planes ? a.near_far_planes : window.LS && LS.Renderer._main_camera ? LS.Renderer._main_camera._uniforms.u_camera_planes : [0.1, 1000];
          c.u_camera_planes = b;
          this._temp_texture.drawTo(function() {
            a.bind(0);
            f.uniforms(c).draw(e);
          });
          this.setOutputData(0, this._temp_texture);
        }
      }
    };
    x.pixel_shader = "precision highp float;\n\r\n\t\t\tprecision highp float;\n\r\n\t\t\tvarying vec2 v_coord;\n\r\n\t\t\tuniform sampler2D u_texture;\n\r\n\t\t\tuniform vec2 u_camera_planes;\n\r\n\t\t\tuniform float u_distance;\n\r\n\t\t\tuniform float u_range;\n\r\n\t\t\t\n\r\n\t\t\tfloat LinearDepth()\n\r\n\t\t\t{\n\r\n\t\t\t\tfloat zNear = u_camera_planes.x;\n\r\n\t\t\t\tfloat zFar = u_camera_planes.y;\n\r\n\t\t\t\tfloat depth = texture2D(u_texture, v_coord).x;\n\r\n\t\t\t\tdepth = depth * 2.0 - 1.0;\n\r\n\t\t\t\treturn zNear * (depth + 1.0) / (zFar + zNear - depth * (zFar - zNear));\n\r\n\t\t\t}\n\r\n\t\t\t\n\r\n\t\t\tvoid main() {\n\r\n\t\t\t\tfloat depth = LinearDepth();\n\r\n\t\t\t\t#ifdef ONLY_DEPTH\n\r\n\t\t\t\t   gl_FragColor = vec4(depth);\n\r\n\t\t\t\t#else\n\r\n\t\t\t\t\tfloat diff = abs(depth * u_camera_planes.y - u_distance);\n\r\n\t\t\t\t\tfloat dof = 1.0;\n\r\n\t\t\t\t\tif(diff <= u_range)\n\r\n\t\t\t\t\t\tdof = diff / u_range;\n\r\n\t\t\t\t   gl_FragColor = vec4(dof);\n\r\n\t\t\t\t#endif\n\r\n\t\t\t}\n\r\n\t\t\t";
    c.registerNodeType("texture/depth_range", x);
    u.title = "Blur";
    u.desc = "Blur a texture";
    u.max_iterations = 20;
    u.prototype.onExecute = function() {
      var a = this.getInputData(0);
      if (a && this.isOutputConnected(0)) {
        var b = this._temp_texture;
        b && b.width == a.width && b.height == a.height && b.type == a.type || (this._temp_texture = new GL.Texture(a.width, a.height, {type:a.type, format:gl.RGBA, filter:gl.LINEAR}), this._final_texture = new GL.Texture(a.width, a.height, {type:a.type, format:gl.RGBA, filter:gl.LINEAR}));
        b = this.properties.iterations;
        this.isInputConnected(1) && (b = this.getInputData(1), this.properties.iterations = b);
        b = Math.min(Math.floor(b), u.max_iterations);
        if (0 == b) {
          this.setOutputData(0, a);
        } else {
          var d = this.properties.intensity;
          this.isInputConnected(2) && (d = this.getInputData(2), this.properties.intensity = d);
          var e = c.camera_aspect;
          e || void 0 === window.gl || (e = gl.canvas.height / gl.canvas.width);
          e || (e = 1);
          e = this.properties.preserve_aspect ? e : 1;
          for (var f = this.properties.scale || [1, 1], g = 0; g < b; ++g) {
            a.applyBlur(e * f[0] * g, f[1] * g, d, this._temp_texture, this._final_texture), a = this._final_texture;
          }
          this.setOutputData(0, this._final_texture);
        }
      }
    };
    u.pixel_shader = "precision highp float;\n\r\n\t\t\tprecision highp float;\n\r\n\t\t\tvarying vec2 v_coord;\n\r\n\t\t\tuniform sampler2D u_texture;\n\r\n\t\t\tuniform vec2 u_offset;\n\r\n\t\t\tuniform float u_intensity;\n\r\n\t\t\tvoid main() {\n\r\n\t\t\t   vec4 sum = vec4(0.0);\n\r\n\t\t\t   vec4 center = texture2D(u_texture, v_coord);\n\r\n\t\t\t   sum += texture2D(u_texture, v_coord + u_offset * -4.0) * 0.05/0.98;\n\r\n\t\t\t   sum += texture2D(u_texture, v_coord + u_offset * -3.0) * 0.09/0.98;\n\r\n\t\t\t   sum += texture2D(u_texture, v_coord + u_offset * -2.0) * 0.12/0.98;\n\r\n\t\t\t   sum += texture2D(u_texture, v_coord + u_offset * -1.0) * 0.15/0.98;\n\r\n\t\t\t   sum += center * 0.16/0.98;\n\r\n\t\t\t   sum += texture2D(u_texture, v_coord + u_offset * 4.0) * 0.05/0.98;\n\r\n\t\t\t   sum += texture2D(u_texture, v_coord + u_offset * 3.0) * 0.09/0.98;\n\r\n\t\t\t   sum += texture2D(u_texture, v_coord + u_offset * 2.0) * 0.12/0.98;\n\r\n\t\t\t   sum += texture2D(u_texture, v_coord + u_offset * 1.0) * 0.15/0.98;\n\r\n\t\t\t   gl_FragColor = u_intensity * sum;\n\r\n\t\t\t   /*gl_FragColor.a = center.a*/;\n\r\n\t\t\t}\n\r\n\t\t\t";
    c.registerNodeType("texture/blur", u);
    n.title = "Kuwahara Filter";
    n.desc = "Filters a texture giving an artistic oil canvas painting";
    n.max_radius = 10;
    n._shaders = [];
    n.prototype.onExecute = function() {
      var a = this.getInputData(0);
      if (a && this.isOutputConnected(0)) {
        var b = this._temp_texture;
        b && b.width == a.width && b.height == a.height && b.type == a.type || (this._temp_texture = new GL.Texture(a.width, a.height, {type:a.type, format:gl.RGBA, filter:gl.LINEAR}));
        b = this.properties.radius;
        b = Math.min(Math.floor(b), n.max_radius);
        if (0 == b) {
          this.setOutputData(0, a);
        } else {
          var d = this.properties.intensity, e = c.camera_aspect;
          e || void 0 === window.gl || (e = gl.canvas.height / gl.canvas.width);
          e || (e = 1);
          e = this.properties.preserve_aspect ? e : 1;
          n._shaders[b] || (n._shaders[b] = new GL.Shader(Shader.SCREEN_VERTEX_SHADER, n.pixel_shader, {RADIUS:b.toFixed(0)}));
          var f = n._shaders[b], g = GL.Mesh.getScreenQuad();
          a.bind(0);
          this._temp_texture.drawTo(function() {
            f.uniforms({u_texture:0, u_intensity:d, u_resolution:[a.width, a.height], u_iResolution:[1 / a.width, 1 / a.height]}).draw(g);
          });
          this.setOutputData(0, this._temp_texture);
        }
      }
    };
    n.pixel_shader = "\n\r\n\tprecision highp float;\n\r\n\tvarying vec2 v_coord;\n\r\n\tuniform sampler2D u_texture;\n\r\n\tuniform float u_intensity;\n\r\n\tuniform vec2 u_resolution;\n\r\n\tuniform vec2 u_iResolution;\n\r\n\t#ifndef RADIUS\n\r\n\t\t#define RADIUS 7\n\r\n\t#endif\n\r\n\tvoid main() {\n\r\n\t\n\r\n\t\tconst int radius = RADIUS;\n\r\n\t\tvec2 fragCoord = v_coord;\n\r\n\t\tvec2 src_size = u_iResolution;\n\r\n\t\tvec2 uv = v_coord;\n\r\n\t\tfloat n = float((radius + 1) * (radius + 1));\n\r\n\t\tint i;\n\r\n\t\tint j;\n\r\n\t\tvec3 m0 = vec3(0.0); vec3 m1 = vec3(0.0); vec3 m2 = vec3(0.0); vec3 m3 = vec3(0.0);\n\r\n\t\tvec3 s0 = vec3(0.0); vec3 s1 = vec3(0.0); vec3 s2 = vec3(0.0); vec3 s3 = vec3(0.0);\n\r\n\t\tvec3 c;\n\r\n\t\t\n\r\n\t\tfor (int j = -radius; j <= 0; ++j)  {\n\r\n\t\t\tfor (int i = -radius; i <= 0; ++i)  {\n\r\n\t\t\t\tc = texture2D(u_texture, uv + vec2(i,j) * src_size).rgb;\n\r\n\t\t\t\tm0 += c;\n\r\n\t\t\t\ts0 += c * c;\n\r\n\t\t\t}\n\r\n\t\t}\n\r\n\t\t\n\r\n\t\tfor (int j = -radius; j <= 0; ++j)  {\n\r\n\t\t\tfor (int i = 0; i <= radius; ++i)  {\n\r\n\t\t\t\tc = texture2D(u_texture, uv + vec2(i,j) * src_size).rgb;\n\r\n\t\t\t\tm1 += c;\n\r\n\t\t\t\ts1 += c * c;\n\r\n\t\t\t}\n\r\n\t\t}\n\r\n\t\t\n\r\n\t\tfor (int j = 0; j <= radius; ++j)  {\n\r\n\t\t\tfor (int i = 0; i <= radius; ++i)  {\n\r\n\t\t\t\tc = texture2D(u_texture, uv + vec2(i,j) * src_size).rgb;\n\r\n\t\t\t\tm2 += c;\n\r\n\t\t\t\ts2 += c * c;\n\r\n\t\t\t}\n\r\n\t\t}\n\r\n\t\t\n\r\n\t\tfor (int j = 0; j <= radius; ++j)  {\n\r\n\t\t\tfor (int i = -radius; i <= 0; ++i)  {\n\r\n\t\t\t\tc = texture2D(u_texture, uv + vec2(i,j) * src_size).rgb;\n\r\n\t\t\t\tm3 += c;\n\r\n\t\t\t\ts3 += c * c;\n\r\n\t\t\t}\n\r\n\t\t}\n\r\n\t\t\n\r\n\t\tfloat min_sigma2 = 1e+2;\n\r\n\t\tm0 /= n;\n\r\n\t\ts0 = abs(s0 / n - m0 * m0);\n\r\n\t\t\n\r\n\t\tfloat sigma2 = s0.r + s0.g + s0.b;\n\r\n\t\tif (sigma2 < min_sigma2) {\n\r\n\t\t\tmin_sigma2 = sigma2;\n\r\n\t\t\tgl_FragColor = vec4(m0, 1.0);\n\r\n\t\t}\n\r\n\t\t\n\r\n\t\tm1 /= n;\n\r\n\t\ts1 = abs(s1 / n - m1 * m1);\n\r\n\t\t\n\r\n\t\tsigma2 = s1.r + s1.g + s1.b;\n\r\n\t\tif (sigma2 < min_sigma2) {\n\r\n\t\t\tmin_sigma2 = sigma2;\n\r\n\t\t\tgl_FragColor = vec4(m1, 1.0);\n\r\n\t\t}\n\r\n\t\t\n\r\n\t\tm2 /= n;\n\r\n\t\ts2 = abs(s2 / n - m2 * m2);\n\r\n\t\t\n\r\n\t\tsigma2 = s2.r + s2.g + s2.b;\n\r\n\t\tif (sigma2 < min_sigma2) {\n\r\n\t\t\tmin_sigma2 = sigma2;\n\r\n\t\t\tgl_FragColor = vec4(m2, 1.0);\n\r\n\t\t}\n\r\n\t\t\n\r\n\t\tm3 /= n;\n\r\n\t\ts3 = abs(s3 / n - m3 * m3);\n\r\n\t\t\n\r\n\t\tsigma2 = s3.r + s3.g + s3.b;\n\r\n\t\tif (sigma2 < min_sigma2) {\n\r\n\t\t\tmin_sigma2 = sigma2;\n\r\n\t\t\tgl_FragColor = vec4(m3, 1.0);\n\r\n\t\t}\n\r\n\t}\n\r\n\t";
    c.registerNodeType("texture/kuwahara", n);
    p.title = "Webcam";
    p.desc = "Webcam texture";
    p.prototype.openStream = function() {
      navigator.getUserMedia = navigator.getUserMedia || navigator.webkitGetUserMedia || navigator.mozGetUserMedia || navigator.msGetUserMedia;
      window.URL = window.URL || window.webkitURL;
      if (navigator.getUserMedia) {
        this._waiting_confirmation = !0;
        var a = this;
        navigator.getUserMedia({video:!0}, this.streamReady.bind(this), function(b) {
          console.log("Webcam rejected", b);
          a._webcam_stream = !1;
          a.box_color = "red";
        });
      }
    };
    p.prototype.streamReady = function(a) {
      this._webcam_stream = a;
      var b = this._video;
      b || (b = document.createElement("video"), b.autoplay = !0, b.src = window.URL.createObjectURL(a), this._video = b, b.onloadedmetadata = function(a) {
        console.log(a);
      });
    };
    p.prototype.onRemoved = function() {
      this._webcam_stream && (this._webcam_stream.stop(), this._video = this._webcam_stream = null);
    };
    p.prototype.onDrawBackground = function(a) {
      this.flags.collapsed || 20 >= this.size[1] || !this._video || (a.save(), a.webgl ? this._temp_texture && a.drawImage(this._temp_texture, 0, 0, this.size[0], this.size[1]) : (a.translate(0, this.size[1]), a.scale(1, -1), a.drawImage(this._video, 0, 0, this.size[0], this.size[1])), a.restore());
    };
    p.prototype.onExecute = function() {
      null != this._webcam_stream || this._waiting_confirmation || this.openStream();
      if (this._video && this._video.videoWidth) {
        var a = this._video.videoWidth, b = this._video.videoHeight, c = this._temp_texture;
        c && c.width == a && c.height == b || (this._temp_texture = new GL.Texture(a, b, {format:gl.RGB, filter:gl.LINEAR}));
        this._temp_texture.uploadImage(this._video);
        this.properties.texture_name && (r.getTexturesContainer()[this.properties.texture_name] = this._temp_texture);
        this.setOutputData(0, this._temp_texture);
      }
    };
    c.registerNodeType("texture/webcam", p);
    e.title = "Matte";
    e.desc = "Extracts background";
    e.widgets_info = {key_color:{widget:"color"}, precision:{widget:"combo", values:r.MODE_VALUES}};
    e.prototype.onExecute = function() {
      if (this.isOutputConnected(0)) {
        var a = this.getInputData(0);
        if (this.properties.precision === r.PASS_THROUGH) {
          this.setOutputData(0, a);
        } else {
          if (a) {
            this._tex = r.getTargetTexture(a, this._tex, this.properties.precision);
            gl.disable(gl.BLEND);
            gl.disable(gl.DEPTH_TEST);
            this._uniforms || (this._uniforms = {u_texture:0, u_key_color:this.properties.key_color, u_threshold:1, u_slope:1});
            var b = this._uniforms, c = Mesh.getScreenQuad(), d = e._shader;
            b.u_key_color = this.properties.key_color;
            b.u_threshold = this.properties.threshold;
            b.u_slope = this.properties.slope;
            this._tex.drawTo(function() {
              a.bind(0);
              d.uniforms(b).draw(c);
            });
            this.setOutputData(0, this._tex);
          }
        }
      }
    };
    e.pixel_shader = "precision highp float;\n\r\n\t\t\tvarying vec2 v_coord;\n\r\n\t\t\tuniform sampler2D u_texture;\n\r\n\t\t\tuniform vec3 u_key_color;\n\r\n\t\t\tuniform float u_threshold;\n\r\n\t\t\tuniform float u_slope;\n\r\n\t\t\t\n\r\n\t\t\tvoid main() {\n\r\n\t\t\t\tvec3 color = texture2D( u_texture, v_coord ).xyz;\n\r\n\t\t\t\tfloat diff = length( normalize(color) - normalize(u_key_color) );\n\r\n\t\t\t\tfloat edge = u_threshold * (1.0 - u_slope);\n\r\n\t\t\t\tfloat alpha = smoothstep( edge, u_threshold, diff);\n\r\n\t\t\t\tgl_FragColor = vec4( color, alpha );\n\r\n\t\t\t}";
    c.registerNodeType("texture/matte", e);
    h.title = "Cubemap";
    h.prototype.onDropFile = function(a, b, c) {
      a ? (this._drop_texture = "string" == typeof a ? GL.Texture.fromURL(a) : GL.Texture.fromDDSInMemory(a), this.properties.name = b) : (this._drop_texture = null, this.properties.name = "");
    };
    h.prototype.onExecute = function() {
      if (this._drop_texture) {
        this.setOutputData(0, this._drop_texture);
      } else {
        if (this.properties.name) {
          var a = r.getTexture(this.properties.name);
          a && (this._last_tex = a, this.setOutputData(0, a));
        }
      }
    };
    h.prototype.onDrawBackground = function(a) {
      this.flags.collapsed || 20 >= this.size[1] || !a.webgl || gl.meshes.cube || (gl.meshes.cube = GL.Mesh.cube({size:1}));
    };
    c.registerNodeType("texture/cubemap", h);
  }
})(this);
(function(v) {
  var c = v.LiteGraph;
  if ("undefined" != typeof GL) {
    var h = function() {
      this.addInput("Tex.", "Texture");
      this.addInput("intensity", "number");
      this.addOutput("Texture", "Texture");
      this.properties = {intensity:1, invert:!1, precision:LGraphTexture.DEFAULT};
      h._shader || (h._shader = new GL.Shader(Shader.SCREEN_VERTEX_SHADER, h.pixel_shader));
    }, e = function() {
      this.addInput("Texture", "Texture");
      this.addInput("value1", "number");
      this.addInput("value2", "number");
      this.addOutput("Texture", "Texture");
      this.properties = {fx:"halftone", value1:1, value2:1, precision:LGraphTexture.DEFAULT};
    }, p = function() {
      this.addInput("Texture", "Texture");
      this.addInput("Blurred", "Texture");
      this.addInput("Mask", "Texture");
      this.addInput("Threshold", "number");
      this.addOutput("Texture", "Texture");
      this.properties = {shape:"", size:10, alpha:1.0, threshold:1.0, high_precision:!1};
    }, n = function() {
      this.addInput("Texture", "Texture");
      this.addInput("Aberration", "number");
      this.addInput("Distortion", "number");
      this.addInput("Blur", "number");
      this.addOutput("Texture", "Texture");
      this.properties = {aberration:1.0, distortion:1.0, blur:1.0, precision:LGraphTexture.DEFAULT};
      n._shader || (n._shader = new GL.Shader(Shader.SCREEN_VERTEX_SHADER, n.pixel_shader), n._texture = new GL.Texture(3, 1, {format:gl.RGB, wrap:gl.CLAMP_TO_EDGE, magFilter:gl.LINEAR, minFilter:gl.LINEAR, pixel_data:[255, 0, 0, 0, 255, 0, 0, 0, 255]}));
    };
    n.title = "Lens";
    n.desc = "Camera Lens distortion";
    n.widgets_info = {precision:{widget:"combo", values:LGraphTexture.MODE_VALUES}};
    n.prototype.onExecute = function() {
      var c = this.getInputData(0);
      if (this.properties.precision === LGraphTexture.PASS_THROUGH) {
        this.setOutputData(0, c);
      } else {
        if (c) {
          this._tex = LGraphTexture.getTargetTexture(c, this._tex, this.properties.precision);
          var e = this.properties.aberration;
          this.isInputConnected(1) && (e = this.getInputData(1), this.properties.aberration = e);
          var g = this.properties.distortion;
          this.isInputConnected(2) && (g = this.getInputData(2), this.properties.distortion = g);
          var h = this.properties.blur;
          this.isInputConnected(3) && (h = this.getInputData(3), this.properties.blur = h);
          gl.disable(gl.BLEND);
          gl.disable(gl.DEPTH_TEST);
          var a = Mesh.getScreenQuad(), b = n._shader;
          this._tex.drawTo(function() {
            c.bind(0);
            b.uniforms({u_texture:0, u_aberration:e, u_distortion:g, u_blur:h}).draw(a);
          });
          this.setOutputData(0, this._tex);
        }
      }
    };
    n.pixel_shader = "precision highp float;\n\r\n\t\t\tprecision highp float;\n\r\n\t\t\tvarying vec2 v_coord;\n\r\n\t\t\tuniform sampler2D u_texture;\n\r\n\t\t\tuniform vec2 u_camera_planes;\n\r\n\t\t\tuniform float u_aberration;\n\r\n\t\t\tuniform float u_distortion;\n\r\n\t\t\tuniform float u_blur;\n\r\n\t\t\t\n\r\n\t\t\tvoid main() {\n\r\n\t\t\t\tvec2 coord = v_coord;\n\r\n\t\t\t\tfloat dist = distance(vec2(0.5), coord);\n\r\n\t\t\t\tvec2 dist_coord = coord - vec2(0.5);\n\r\n\t\t\t\tfloat percent = 1.0 + ((0.5 - dist) / 0.5) * u_distortion;\n\r\n\t\t\t\tdist_coord *= percent;\n\r\n\t\t\t\tcoord = dist_coord + vec2(0.5);\n\r\n\t\t\t\tvec4 color = texture2D(u_texture,coord, u_blur * dist);\n\r\n\t\t\t\tcolor.r = texture2D(u_texture,vec2(0.5) + dist_coord * (1.0+0.01*u_aberration), u_blur * dist ).r;\n\r\n\t\t\t\tcolor.b = texture2D(u_texture,vec2(0.5) + dist_coord * (1.0-0.01*u_aberration), u_blur * dist ).b;\n\r\n\t\t\t\tgl_FragColor = color;\n\r\n\t\t\t}\n\r\n\t\t\t";
    c.registerNodeType("fx/lens", n);
    window.LGraphFXLens = n;
    p.title = "Bokeh";
    p.desc = "applies an Bokeh effect";
    p.widgets_info = {shape:{widget:"texture"}};
    p.prototype.onExecute = function() {
      var c = this.getInputData(0), e = this.getInputData(1), g = this.getInputData(2);
      if (c && g && this.properties.shape) {
        e || (e = c);
        var h = LGraphTexture.getTexture(this.properties.shape);
        if (h) {
          var a = this.properties.threshold;
          this.isInputConnected(3) && (a = this.getInputData(3), this.properties.threshold = a);
          var b = gl.UNSIGNED_BYTE;
          this.properties.high_precision && (b = gl.half_float_ext ? gl.HALF_FLOAT_OES : gl.FLOAT);
          this._temp_texture && this._temp_texture.type == b && this._temp_texture.width == c.width && this._temp_texture.height == c.height || (this._temp_texture = new GL.Texture(c.width, c.height, {type:b, format:gl.RGBA, filter:gl.LINEAR}));
          var d = p._first_shader;
          d || (d = p._first_shader = new GL.Shader(Shader.SCREEN_VERTEX_SHADER, p._first_pixel_shader));
          var f = p._second_shader;
          f || (f = p._second_shader = new GL.Shader(p._second_vertex_shader, p._second_pixel_shader));
          var n = this._points_mesh;
          n && n._width == c.width && n._height == c.height && 2 == n._spacing || (n = this.createPointsMesh(c.width, c.height, 2));
          var v = Mesh.getScreenQuad(), q = this.properties.size, l = this.properties.alpha;
          gl.disable(gl.DEPTH_TEST);
          gl.disable(gl.BLEND);
          this._temp_texture.drawTo(function() {
            c.bind(0);
            e.bind(1);
            g.bind(2);
            d.uniforms({u_texture:0, u_texture_blur:1, u_mask:2, u_texsize:[c.width, c.height]}).draw(v);
          });
          this._temp_texture.drawTo(function() {
            gl.enable(gl.BLEND);
            gl.blendFunc(gl.ONE, gl.ONE);
            c.bind(0);
            h.bind(3);
            f.uniforms({u_texture:0, u_mask:2, u_shape:3, u_alpha:l, u_threshold:a, u_pointSize:q, u_itexsize:[1.0 / c.width, 1.0 / c.height]}).draw(n, gl.POINTS);
          });
          this.setOutputData(0, this._temp_texture);
        }
      } else {
        this.setOutputData(0, c);
      }
    };
    p.prototype.createPointsMesh = function(c, e, g) {
      for (var h = Math.round(c / g), a = Math.round(e / g), b = new Float32Array(h * a * 2), d = -1, f = 2 / c * g, n = 2 / e * g, p = 0; p < a; ++p) {
        for (var q = -1, l = 0; l < h; ++l) {
          var w = p * h * 2 + 2 * l;
          b[w] = q;
          b[w + 1] = d;
          q += f;
        }
        d += n;
      }
      this._points_mesh = GL.Mesh.load({vertices2D:b});
      this._points_mesh._width = c;
      this._points_mesh._height = e;
      this._points_mesh._spacing = g;
      return this._points_mesh;
    };
    p._first_pixel_shader = "precision highp float;\n\r\n\t\t\tprecision highp float;\n\r\n\t\t\tvarying vec2 v_coord;\n\r\n\t\t\tuniform sampler2D u_texture;\n\r\n\t\t\tuniform sampler2D u_texture_blur;\n\r\n\t\t\tuniform sampler2D u_mask;\n\r\n\t\t\t\n\r\n\t\t\tvoid main() {\n\r\n\t\t\t\tvec4 color = texture2D(u_texture, v_coord);\n\r\n\t\t\t\tvec4 blurred_color = texture2D(u_texture_blur, v_coord);\n\r\n\t\t\t\tfloat mask = texture2D(u_mask, v_coord).x;\n\r\n\t\t\t   gl_FragColor = mix(color, blurred_color, mask);\n\r\n\t\t\t}\n\r\n\t\t\t";
    p._second_vertex_shader = "precision highp float;\n\r\n\t\t\tattribute vec2 a_vertex2D;\n\r\n\t\t\tvarying vec4 v_color;\n\r\n\t\t\tuniform sampler2D u_texture;\n\r\n\t\t\tuniform sampler2D u_mask;\n\r\n\t\t\tuniform vec2 u_itexsize;\n\r\n\t\t\tuniform float u_pointSize;\n\r\n\t\t\tuniform float u_threshold;\n\r\n\t\t\tvoid main() {\n\r\n\t\t\t\tvec2 coord = a_vertex2D * 0.5 + 0.5;\n\r\n\t\t\t\tv_color = texture2D( u_texture, coord );\n\r\n\t\t\t\tv_color += texture2D( u_texture, coord + vec2(u_itexsize.x, 0.0) );\n\r\n\t\t\t\tv_color += texture2D( u_texture, coord + vec2(0.0, u_itexsize.y));\n\r\n\t\t\t\tv_color += texture2D( u_texture, coord + u_itexsize);\n\r\n\t\t\t\tv_color *= 0.25;\n\r\n\t\t\t\tfloat mask = texture2D(u_mask, coord).x;\n\r\n\t\t\t\tfloat luminance = length(v_color) * mask;\n\r\n\t\t\t\t/*luminance /= (u_pointSize*u_pointSize)*0.01 */;\n\r\n\t\t\t\tluminance -= u_threshold;\n\r\n\t\t\t\tif(luminance < 0.0)\n\r\n\t\t\t\t{\n\r\n\t\t\t\t\tgl_Position.x = -100.0;\n\r\n\t\t\t\t\treturn;\n\r\n\t\t\t\t}\n\r\n\t\t\t\tgl_PointSize = u_pointSize;\n\r\n\t\t\t\tgl_Position = vec4(a_vertex2D,0.0,1.0);\n\r\n\t\t\t}\n\r\n\t\t\t";
    p._second_pixel_shader = "precision highp float;\n\r\n\t\t\tvarying vec4 v_color;\n\r\n\t\t\tuniform sampler2D u_shape;\n\r\n\t\t\tuniform float u_alpha;\n\r\n\t\t\t\n\r\n\t\t\tvoid main() {\n\r\n\t\t\t\tvec4 color = texture2D( u_shape, gl_PointCoord );\n\r\n\t\t\t\tcolor *= v_color * u_alpha;\n\r\n\t\t\t\tgl_FragColor = color;\n\r\n\t\t\t}\n";
    c.registerNodeType("fx/bokeh", p);
    window.LGraphFXBokeh = p;
    e.title = "FX";
    e.desc = "applies an FX from a list";
    e.widgets_info = {fx:{widget:"combo", values:["halftone", "pixelate", "lowpalette", "noise", "gamma"]}, precision:{widget:"combo", values:LGraphTexture.MODE_VALUES}};
    e.shaders = {};
    e.prototype.onExecute = function() {
      if (this.isOutputConnected(0)) {
        var c = this.getInputData(0);
        if (this.properties.precision === LGraphTexture.PASS_THROUGH) {
          this.setOutputData(0, c);
        } else {
          if (c) {
            this._tex = LGraphTexture.getTargetTexture(c, this._tex, this.properties.precision);
            var h = this.properties.value1;
            this.isInputConnected(1) && (h = this.getInputData(1), this.properties.value1 = h);
            var g = this.properties.value2;
            this.isInputConnected(2) && (g = this.getInputData(2), this.properties.value2 = g);
            var k = this.properties.fx, a = e.shaders[k];
            if (!a) {
              var b = e["pixel_shader_" + k];
              if (!b) {
                return;
              }
              a = e.shaders[k] = new GL.Shader(Shader.SCREEN_VERTEX_SHADER, b);
            }
            gl.disable(gl.BLEND);
            gl.disable(gl.DEPTH_TEST);
            var d = Mesh.getScreenQuad();
            camera_planes = window.LS && LS.Renderer._current_camera ? [LS.Renderer._current_camera.near, LS.Renderer._current_camera.far] : [1, 100];
            var f = null;
            "noise" == k && (f = LGraphTexture.getNoiseTexture());
            this._tex.drawTo(function() {
              c.bind(0);
              "noise" == k && f.bind(1);
              a.uniforms({u_texture:0, u_noise:1, u_size:[c.width, c.height], u_rand:[Math.random(), Math.random()], u_value1:h, u_value2:g, u_camera_planes:camera_planes}).draw(d);
            });
            this.setOutputData(0, this._tex);
          }
        }
      }
    };
    e.pixel_shader_halftone = "precision highp float;\n\r\n\t\t\tvarying vec2 v_coord;\n\r\n\t\t\tuniform sampler2D u_texture;\n\r\n\t\t\tuniform vec2 u_camera_planes;\n\r\n\t\t\tuniform vec2 u_size;\n\r\n\t\t\tuniform float u_value1;\n\r\n\t\t\tuniform float u_value2;\n\r\n\t\t\t\n\r\n\t\t\tfloat pattern() {\n\r\n\t\t\t\tfloat s = sin(u_value1 * 3.1415), c = cos(u_value1 * 3.1415);\n\r\n\t\t\t\tvec2 tex = v_coord * u_size.xy;\n\r\n\t\t\t\tvec2 point = vec2(\n\r\n\t\t\t\t   c * tex.x - s * tex.y ,\n\r\n\t\t\t\t   s * tex.x + c * tex.y \n\r\n\t\t\t\t) * u_value2;\n\r\n\t\t\t\treturn (sin(point.x) * sin(point.y)) * 4.0;\n\r\n\t\t\t}\n\r\n\t\t\tvoid main() {\n\r\n\t\t\t\tvec4 color = texture2D(u_texture, v_coord);\n\r\n\t\t\t\tfloat average = (color.r + color.g + color.b) / 3.0;\n\r\n\t\t\t\tgl_FragColor = vec4(vec3(average * 10.0 - 5.0 + pattern()), color.a);\n\r\n\t\t\t}\n";
    e.pixel_shader_pixelate = "precision highp float;\n\r\n\t\t\tvarying vec2 v_coord;\n\r\n\t\t\tuniform sampler2D u_texture;\n\r\n\t\t\tuniform vec2 u_camera_planes;\n\r\n\t\t\tuniform vec2 u_size;\n\r\n\t\t\tuniform float u_value1;\n\r\n\t\t\tuniform float u_value2;\n\r\n\t\t\t\n\r\n\t\t\tvoid main() {\n\r\n\t\t\t\tvec2 coord = vec2( floor(v_coord.x * u_value1) / u_value1, floor(v_coord.y * u_value2) / u_value2 );\n\r\n\t\t\t\tvec4 color = texture2D(u_texture, coord);\n\r\n\t\t\t\tgl_FragColor = color;\n\r\n\t\t\t}\n";
    e.pixel_shader_lowpalette = "precision highp float;\n\r\n\t\t\tvarying vec2 v_coord;\n\r\n\t\t\tuniform sampler2D u_texture;\n\r\n\t\t\tuniform vec2 u_camera_planes;\n\r\n\t\t\tuniform vec2 u_size;\n\r\n\t\t\tuniform float u_value1;\n\r\n\t\t\tuniform float u_value2;\n\r\n\t\t\t\n\r\n\t\t\tvoid main() {\n\r\n\t\t\t\tvec4 color = texture2D(u_texture, v_coord);\n\r\n\t\t\t\tgl_FragColor = floor(color * u_value1) / u_value1;\n\r\n\t\t\t}\n";
    e.pixel_shader_noise = "precision highp float;\n\r\n\t\t\tvarying vec2 v_coord;\n\r\n\t\t\tuniform sampler2D u_texture;\n\r\n\t\t\tuniform sampler2D u_noise;\n\r\n\t\t\tuniform vec2 u_size;\n\r\n\t\t\tuniform float u_value1;\n\r\n\t\t\tuniform float u_value2;\n\r\n\t\t\tuniform vec2 u_rand;\n\r\n\t\t\t\n\r\n\t\t\tvoid main() {\n\r\n\t\t\t\tvec4 color = texture2D(u_texture, v_coord);\n\r\n\t\t\t\tvec3 noise = texture2D(u_noise, v_coord * vec2(u_size.x / 512.0, u_size.y / 512.0) + u_rand).xyz - vec3(0.5);\n\r\n\t\t\t\tgl_FragColor = vec4( color.xyz + noise * u_value1, color.a );\n\r\n\t\t\t}\n";
    e.pixel_shader_gamma = "precision highp float;\n\r\n\t\t\tvarying vec2 v_coord;\n\r\n\t\t\tuniform sampler2D u_texture;\n\r\n\t\t\tuniform float u_value1;\n\r\n\t\t\t\n\r\n\t\t\tvoid main() {\n\r\n\t\t\t\tvec4 color = texture2D(u_texture, v_coord);\n\r\n\t\t\t\tfloat gamma = 1.0 / u_value1;\n\r\n\t\t\t\tgl_FragColor = vec4( pow( color.xyz, vec3(gamma) ), color.a );\n\r\n\t\t\t}\n";
    c.registerNodeType("fx/generic", e);
    window.LGraphFXGeneric = e;
    h.title = "Vigneting";
    h.desc = "Vigneting";
    h.widgets_info = {precision:{widget:"combo", values:LGraphTexture.MODE_VALUES}};
    h.prototype.onExecute = function() {
      var c = this.getInputData(0);
      if (this.properties.precision === LGraphTexture.PASS_THROUGH) {
        this.setOutputData(0, c);
      } else {
        if (c) {
          this._tex = LGraphTexture.getTargetTexture(c, this._tex, this.properties.precision);
          var e = this.properties.intensity;
          this.isInputConnected(1) && (e = this.getInputData(1), this.properties.intensity = e);
          gl.disable(gl.BLEND);
          gl.disable(gl.DEPTH_TEST);
          var g = Mesh.getScreenQuad(), k = h._shader, a = this.properties.invert;
          this._tex.drawTo(function() {
            c.bind(0);
            k.uniforms({u_texture:0, u_intensity:e, u_isize:[1 / c.width, 1 / c.height], u_invert:a ? 1 : 0}).draw(g);
          });
          this.setOutputData(0, this._tex);
        }
      }
    };
    h.pixel_shader = "precision highp float;\n\r\n\t\t\tprecision highp float;\n\r\n\t\t\tvarying vec2 v_coord;\n\r\n\t\t\tuniform sampler2D u_texture;\n\r\n\t\t\tuniform float u_intensity;\n\r\n\t\t\tuniform int u_invert;\n\r\n\t\t\t\n\r\n\t\t\tvoid main() {\n\r\n\t\t\t\tfloat luminance = 1.0 - length( v_coord - vec2(0.5) ) * 1.414;\n\r\n\t\t\t\tvec4 color = texture2D(u_texture, v_coord);\n\r\n\t\t\t\tif(u_invert == 1)\n\r\n\t\t\t\t\tluminance = 1.0 - luminance;\n\r\n\t\t\t\tluminance = mix(1.0, luminance, u_intensity);\n\r\n\t\t\t   gl_FragColor = vec4( luminance * color.xyz, color.a);\n\r\n\t\t\t}\n\r\n\t\t\t";
    c.registerNodeType("fx/vigneting", h);
    v.LGraphFXVigneting = h;
  }
})(this);
(function(v) {
  function c(a) {
    this.cmd = this.channel = 0;
    a ? this.setup(a) : this.data = [0, 0, 0];
  }
  function h(a, b) {
    navigator.requestMIDIAccess ? (this.on_ready = a, this.state = {note:[], cc:[]}, navigator.requestMIDIAccess().then(this.onMIDISuccess.bind(this), this.onMIDIFailure.bind(this))) : (this.error = "not suppoorted", b ? b("Not supported") : console.error("MIDI NOT SUPPORTED, enable by chrome://flags"));
  }
  function e() {
    this.addOutput("on_midi", k.EVENT);
    this.addOutput("out", "midi");
    this.properties = {port:0};
    this._current_midi_event = this._last_midi_event = null;
    var a = this;
    new h(function(b) {
      a._midi = b;
      if (a._waiting) {
        a.onStart();
      }
      a._waiting = !1;
    });
  }
  function p() {
    this.addInput("send", k.EVENT);
    this.properties = {port:0};
    var a = this;
    new h(function(b) {
      a._midi = b;
    });
  }
  function n() {
    this.addInput("on_midi", k.EVENT);
    this._str = "";
    this.size = [200, 40];
  }
  function u() {
    this.properties = {channel:-1, cmd:-1, min_value:-1, max_value:-1};
    this.addInput("in", k.EVENT);
    this.addOutput("on_midi", k.EVENT);
  }
  function x() {
    this.properties = {channel:0, cmd:"CC", value1:1, value2:1};
    this.addInput("send", k.EVENT);
    this.addInput("assign", k.EVENT);
    this.addOutput("on_midi", k.EVENT);
  }
  function g() {
    this.properties = {cc:1, value:0};
    this.addOutput("value", "number");
  }
  var k = v.LiteGraph;
  c.prototype.setup = function(a) {
    this.data = a;
    this.status = a = a[0];
    var b = a & 240;
    this.cmd = 240 <= a ? a : b;
    this.cmd == c.NOTEON && 0 == this.velocity && (this.cmd = c.NOTEOFF);
    this.cmd_str = c.commands[this.cmd] || "";
    if (b >= c.NOTEON || b <= c.NOTEOFF) {
      this.channel = a & 15;
    }
  };
  Object.defineProperty(c.prototype, "velocity", {get:function() {
    return this.cmd == c.NOTEON ? this.data[2] : -1;
  }, set:function(a) {
    this.data[2] = a;
  }, enumerable:!0});
  c.notes = "A A# B C C# D D# E F F# G G#".split(" ");
  c.prototype.getPitch = function() {
    return 440 * Math.pow(2, (this.data[1] - 69) / 12);
  };
  c.computePitch = function(a) {
    return 440 * Math.pow(2, (a - 69) / 12);
  };
  c.prototype.getCC = function() {
    return this.data[1];
  };
  c.prototype.getCCValue = function() {
    return this.data[2];
  };
  c.prototype.getPitchBend = function() {
    return this.data[1] + (this.data[2] << 7) - 8192;
  };
  c.computePitchBend = function(a, b) {
    return a + (b << 7) - 8192;
  };
  c.prototype.setCommandFromString = function(a) {
    this.cmd = c.computeCommandFromString(a);
  };
  c.computeCommandFromString = function(a) {
    if (!a) {
      return 0;
    }
    if (a && a.constructor === Number) {
      return a;
    }
    a = a.toUpperCase();
    switch(a) {
      case "NOTE ON":
      case "NOTEON":
        return c.NOTEON;
      case "NOTE OFF":
      case "NOTEOFF":
        return c.NOTEON;
      case "KEY PRESSURE":
      case "KEYPRESSURE":
        return c.KEYPRESSURE;
      case "CONTROLLER CHANGE":
      case "CONTROLLERCHANGE":
      case "CC":
        return c.CONTROLLERCHANGE;
      case "PROGRAM CHANGE":
      case "PROGRAMCHANGE":
      case "PC":
        return c.PROGRAMCHANGE;
      case "CHANNEL PRESSURE":
      case "CHANNELPRESSURE":
        return c.CHANNELPRESSURE;
      case "PITCH BEND":
      case "PITCHBEND":
        return c.PITCHBEND;
      case "TIME TICK":
      case "TIMETICK":
        return c.TIMETICK;
      default:
        return Number(a);
    }
  };
  c.toNoteString = function(a) {
    var b = (a - 21) % 12;
    0 > b && (b = 12 + b);
    return c.notes[b] + Math.floor((a - 24) / 12 + 1);
  };
  c.prototype.toString = function() {
    var a = "" + this.channel + ". ";
    switch(this.cmd) {
      case c.NOTEON:
        a += "NOTEON " + c.toNoteString(this.data[1]);
        break;
      case c.NOTEOFF:
        a += "NOTEOFF " + c.toNoteString(this.data[1]);
        break;
      case c.CONTROLLERCHANGE:
        a += "CC " + this.data[1] + " " + this.data[2];
        break;
      case c.PROGRAMCHANGE:
        a += "PC " + this.data[1];
        break;
      case c.PITCHBEND:
        a += "PITCHBEND " + this.getPitchBend();
        break;
      case c.KEYPRESSURE:
        a += "KEYPRESS " + this.data[1];
    }
    return a;
  };
  c.prototype.toHexString = function() {
    for (var a = "", b = 0; b < this.data.length; b++) {
      a += this.data[b].toString(16) + " ";
    }
  };
  c.NOTEOFF = 128;
  c.NOTEON = 144;
  c.KEYPRESSURE = 160;
  c.CONTROLLERCHANGE = 176;
  c.PROGRAMCHANGE = 192;
  c.CHANNELPRESSURE = 208;
  c.PITCHBEND = 224;
  c.TIMETICK = 248;
  c.commands = {128:"note off", 144:"note on", 160:"key pressure", 176:"controller change", 192:"program change", 208:"channel pressure", 224:"pitch bend", 240:"system", 242:"Song pos", 243:"Song select", 246:"Tune request", 248:"time tick", 250:"Start Song", 251:"Continue Song", 252:"Stop Song", 254:"Sensing", 255:"Reset"};
  h.input = null;
  h.MIDIEvent = c;
  h.prototype.onMIDISuccess = function(a) {
    console.log("MIDI ready!");
    console.log(a);
    this.midi = a;
    this.updatePorts();
    if (this.on_ready) {
      this.on_ready(this);
    }
  };
  h.prototype.updatePorts = function() {
    var a = this.midi;
    this.input_ports = a.inputs;
    for (var b = 0, c = this.input_ports.values(), e = c.next(); e && !1 === e.done;) {
      e = e.value, console.log("Input port [type:'" + e.type + "'] id:'" + e.id + "' manufacturer:'" + e.manufacturer + "' name:'" + e.name + "' version:'" + e.version + "'"), b++, e = c.next();
    }
    this.num_input_ports = b;
    b = 0;
    this.output_ports = a.outputs;
    c = this.output_ports.values();
    for (e = c.next(); e && !1 === e.done;) {
      e = e.value, console.log("Output port [type:'" + e.type + "'] id:'" + e.id + "' manufacturer:'" + e.manufacturer + "' name:'" + e.name + "' version:'" + e.version + "'"), b++, e = c.next();
    }
    this.num_output_ports = b;
  };
  h.prototype.onMIDIFailure = function(a) {
    console.error("Failed to get MIDI access - " + a);
  };
  h.prototype.openInputPort = function(a, b) {
    a = this.input_ports.get("input-" + a);
    if (!a) {
      return !1;
    }
    h.input = this;
    var d = this;
    a.onmidimessage = function(a) {
      var e = new c(a.data);
      d.updateState(e);
      b && b(a.data, e);
      if (h.on_message) {
        h.on_message(a.data, e);
      }
    };
    console.log("port open: ", a);
    return !0;
  };
  h.parseMsg = function(a) {
  };
  h.prototype.updateState = function(a) {
    switch(a.cmd) {
      case c.NOTEON:
        this.state.note[a.value1 | 0] = a.value2;
        break;
      case c.NOTEOFF:
        this.state.note[a.value1 | 0] = 0;
        break;
      case c.CONTROLLERCHANGE:
        this.state.cc[a.getCC()] = a.getCCValue();
    }
  };
  h.prototype.sendMIDI = function(a, b) {
    b && (a = this.output_ports.get("output-" + a)) && (h.output = this, b.constructor === c ? a.send(b.data) : a.send(b));
  };
  e.MIDIInterface = h;
  e.title = "MIDI Input";
  e.desc = "Reads MIDI from a input port";
  e.prototype.getPropertyInfo = function(a) {
    if (this._midi && "port" == a) {
      a = {};
      for (var b = 0; b < this._midi.input_ports.size; ++b) {
        var c = this._midi.input_ports.get("input-" + b);
        a[b] = b + ".- " + c.name + " version:" + c.version;
      }
      return {type:"enum", values:a};
    }
  };
  e.prototype.onStart = function() {
    this._midi ? this._midi.openInputPort(this.properties.port, this.onMIDIEvent.bind(this)) : this._waiting = !0;
  };
  e.prototype.onMIDIEvent = function(a, b) {
    this._last_midi_event = b;
    this.trigger("on_midi", b);
    b.cmd == c.NOTEON ? this.trigger("on_noteon", b) : b.cmd == c.NOTEOFF ? this.trigger("on_noteoff", b) : b.cmd == c.CONTROLLERCHANGE ? this.trigger("on_cc", b) : b.cmd == c.PROGRAMCHANGE ? this.trigger("on_pc", b) : b.cmd == c.PITCHBEND && this.trigger("on_pitchbend", b);
  };
  e.prototype.onExecute = function() {
    if (this.outputs) {
      for (var a = this._last_midi_event, b = 0; b < this.outputs.length; ++b) {
        switch(this.outputs[b].name) {
          case "midi":
            var c = this._midi;
            break;
          case "last_midi":
            c = a;
            break;
          default:
            continue;
        }
        this.setOutputData(b, c);
      }
    }
  };
  e.prototype.onGetOutputs = function() {
    return [["last_midi", "midi"], ["on_midi", k.EVENT], ["on_noteon", k.EVENT], ["on_noteoff", k.EVENT], ["on_cc", k.EVENT], ["on_pc", k.EVENT], ["on_pitchbend", k.EVENT]];
  };
  k.registerNodeType("midi/input", e);
  p.MIDIInterface = h;
  p.title = "MIDI Output";
  p.desc = "Sends MIDI to output channel";
  p.prototype.getPropertyInfo = function(a) {
    if (this._midi && "port" == a) {
      a = {};
      for (var b = 0; b < this._midi.output_ports.size; ++b) {
        var c = this._midi.output_ports.get(b);
        a[b] = b + ".- " + c.name + " version:" + c.version;
      }
      return {type:"enum", values:a};
    }
  };
  p.prototype.onAction = function(a, b) {
    console.log(b);
    this._midi && ("send" == a && this._midi.sendMIDI(this.port, b), this.trigger("midi", b));
  };
  p.prototype.onGetInputs = function() {
    return [["send", k.ACTION]];
  };
  p.prototype.onGetOutputs = function() {
    return [["on_midi", k.EVENT]];
  };
  k.registerNodeType("midi/output", p);
  n.title = "MIDI Show";
  n.desc = "Shows MIDI in the graph";
  n.prototype.onAction = function(a, b) {
    b && (this._str = b.constructor === c ? b.toString() : "???");
  };
  n.prototype.onDrawForeground = function(a) {
    this._str && (a.font = "30px Arial", a.fillText(this._str, 10, 0.8 * this.size[1]));
  };
  n.prototype.onGetInputs = function() {
    return [["in", k.ACTION]];
  };
  n.prototype.onGetOutputs = function() {
    return [["on_midi", k.EVENT]];
  };
  k.registerNodeType("midi/show", n);
  u.title = "MIDI Filter";
  u.desc = "Filters MIDI messages";
  u.prototype.onAction = function(a, b) {
    !b || b.constructor !== c || -1 != this.properties.channel && b.channel != this.properties.channel || -1 != this.properties.cmd && b.cmd != this.properties.cmd || -1 != this.properties.min_value && b.data[1] < this.properties.min_value || -1 != this.properties.max_value && b.data[1] > this.properties.max_value || this.trigger("on_midi", b);
  };
  k.registerNodeType("midi/filter", u);
  x.title = "MIDIEvent";
  x.desc = "Create a MIDI Event";
  x.prototype.onAction = function(a, b) {
    "assign" == a ? (this.properties.channel = b.channel, this.properties.cmd = b.cmd, this.properties.value1 = b.data[1], this.properties.value2 = b.data[2]) : (b = new c, b.channel = this.properties.channel, this.properties.cmd && this.properties.cmd.constructor === String ? b.setCommandFromString(this.properties.cmd) : b.cmd = this.properties.cmd, b.data[0] = b.cmd | b.channel, b.data[1] = Number(this.properties.value1), b.data[2] = Number(this.properties.value2), this.trigger("on_midi", b));
  };
  x.prototype.onExecute = function() {
    var a = this.properties;
    if (this.outputs) {
      for (var b = 0; b < this.outputs.length; ++b) {
        switch(this.outputs[b].name) {
          case "midi":
            var d = new c;
            d.setup([a.cmd, a.value1, a.value2]);
            d.channel = a.channel;
            break;
          case "command":
            d = a.cmd;
            break;
          case "cc":
            d = a.value1;
            break;
          case "cc_value":
            d = a.value2;
            break;
          case "note":
            d = a.cmd == c.NOTEON || a.cmd == c.NOTEOFF ? a.value1 : null;
            break;
          case "velocity":
            d = a.cmd == c.NOTEON ? a.value2 : null;
            break;
          case "pitch":
            d = a.cmd == c.NOTEON ? c.computePitch(a.value1) : null;
            break;
          case "pitchbend":
            d = a.cmd == c.PITCHBEND ? c.computePitchBend(a.value1, a.value2) : null;
            break;
          default:
            continue;
        }
        null !== d && this.setOutputData(b, d);
      }
    }
  };
  x.prototype.onPropertyChanged = function(a, b) {
    "cmd" == a && (this.properties.cmd = c.computeCommandFromString(b));
  };
  x.prototype.onGetOutputs = function() {
    return [["midi", "midi"], ["on_midi", k.EVENT], ["command", "number"], ["note", "number"], ["velocity", "number"], ["cc", "number"], ["cc_value", "number"], ["pitch", "number"], ["pitchbend", "number"]];
  };
  k.registerNodeType("midi/event", x);
  g.title = "MIDICC";
  g.desc = "gets a Controller Change";
  g.prototype.onExecute = function() {
    h.input && (this.properties.value = h.input.state.cc[this.properties.cc]);
    this.setOutputData(0, this.properties.value);
  };
  k.registerNodeType("midi/cc", g);
})(this);
(function(v) {
  function c() {
    this.properties = {src:"", gain:0.5, loop:!0, autoplay:!0, playbackRate:1};
    this._loading_audio = !1;
    this._audiobuffer = null;
    this._audionodes = [];
    this._last_sourcenode = null;
    this.addOutput("out", "audio");
    this.addInput("gain", "number");
    this.audionode = q.getAudioContext().createGain();
    this.audionode.graphnode = this;
    this.audionode.gain.value = this.properties.gain;
    this.properties.src && this.loadSound(this.properties.src);
  }
  function h() {
    this.properties = {fftSize:2048, minDecibels:-100, maxDecibels:-10, smoothingTimeConstant:0.5};
    this.audionode = q.getAudioContext().createAnalyser();
    this.audionode.graphnode = this;
    this.audionode.fftSize = this.properties.fftSize;
    this.audionode.minDecibels = this.properties.minDecibels;
    this.audionode.maxDecibels = this.properties.maxDecibels;
    this.audionode.smoothingTimeConstant = this.properties.smoothingTimeConstant;
    this.addInput("in", "audio");
    this.addOutput("freqs", "array");
    this.addOutput("samples", "array");
    this._time_bin = this._freq_bin = null;
  }
  function e() {
    this.properties = {gain:1};
    this.audionode = q.getAudioContext().createGain();
    this.addInput("in", "audio");
    this.addInput("gain", "number");
    this.addOutput("out", "audio");
  }
  function p() {
    this.properties = {impulse_src:"", normalize:!0};
    this.audionode = q.getAudioContext().createConvolver();
    this.addInput("in", "audio");
    this.addOutput("out", "audio");
  }
  function n() {
    this.properties = {threshold:-50, knee:40, ratio:12, reduction:-20, attack:0, release:0.25};
    this.audionode = q.getAudioContext().createDynamicsCompressor();
    this.addInput("in", "audio");
    this.addOutput("out", "audio");
  }
  function u() {
    this.properties = {};
    this.audionode = q.getAudioContext().createWaveShaper();
    this.addInput("in", "audio");
    this.addInput("shape", "waveshape");
    this.addOutput("out", "audio");
  }
  function x() {
    this.properties = {gain1:0.5, gain2:0.5};
    this.audionode = q.getAudioContext().createGain();
    this.audionode1 = q.getAudioContext().createGain();
    this.audionode1.gain.value = this.properties.gain1;
    this.audionode2 = q.getAudioContext().createGain();
    this.audionode2.gain.value = this.properties.gain2;
    this.audionode1.connect(this.audionode);
    this.audionode2.connect(this.audionode);
    this.addInput("in1", "audio");
    this.addInput("in1 gain", "number");
    this.addInput("in2", "audio");
    this.addInput("in2 gain", "number");
    this.addOutput("out", "audio");
  }
  function g() {
    this.properties = {delayTime:0.5};
    this.audionode = q.getAudioContext().createDelay(10);
    this.audionode.delayTime.value = this.properties.delayTime;
    this.addInput("in", "audio");
    this.addInput("time", "number");
    this.addOutput("out", "audio");
  }
  function k() {
    this.properties = {frequency:350, detune:0, Q:1};
    this.addProperty("type", "lowpass", "enum", {values:"lowpass highpass bandpass lowshelf highshelf peaking notch allpass".split(" ")});
    this.audionode = q.getAudioContext().createBiquadFilter();
    this.addInput("in", "audio");
    this.addOutput("out", "audio");
  }
  function a() {
    this.properties = {frequency:440, detune:0, type:"sine"};
    this.addProperty("type", "sine", "enum", {values:["sine", "square", "sawtooth", "triangle", "custom"]});
    this.audionode = q.getAudioContext().createOscillator();
    this.addOutput("out", "audio");
  }
  function b() {
    this.properties = {continuous:!0, mark:-1};
    this.addInput("data", "array");
    this.addInput("mark", "number");
    this.size = [300, 200];
    this._last_buffer = null;
  }
  function d() {
    this.properties = {band:440, amplitude:1};
    this.addInput("freqs", "array");
    this.addOutput("signal", "number");
  }
  function f() {
    if (!f.default_code) {
      var a = f.default_function.toString(), b = a.indexOf("{") + 1, c = a.lastIndexOf("}");
      f.default_code = a.substr(b, c - b);
    }
    this.properties = {code:f.default_code};
    a = q.getAudioContext();
    a.createScriptProcessor ? this.audionode = a.createScriptProcessor(4096, 1, 1) : (console.warn("ScriptProcessorNode deprecated"), this.audionode = a.createGain());
    this.processCode();
    f._bypass_function || (f._bypass_function = this.audionode.onaudioprocess);
    this.addInput("in", "audio");
    this.addOutput("out", "audio");
  }
  function t() {
    this.audionode = q.getAudioContext().destination;
    this.addInput("in", "audio");
  }
  var y = v.LiteGraph, q = {};
  v.LGAudio = q;
  q.getAudioContext = function() {
    if (!this._audio_context) {
      window.AudioContext = window.AudioContext || window.webkitAudioContext;
      if (!window.AudioContext) {
        return console.error("AudioContext not supported by browser"), null;
      }
      this._audio_context = new AudioContext;
      this._audio_context.onmessage = function(a) {
        console.log("msg", a);
      };
      this._audio_context.onended = function(a) {
        console.log("ended", a);
      };
      this._audio_context.oncomplete = function(a) {
        console.log("complete", a);
      };
    }
    return this._audio_context;
  };
  q.connect = function(a, b) {
    try {
      a.connect(b);
    } catch (A) {
      console.warn("LGraphAudio:", A);
    }
  };
  q.disconnect = function(a, b) {
    try {
      a.disconnect(b);
    } catch (A) {
      console.warn("LGraphAudio:", A);
    }
  };
  q.changeAllAudiosConnections = function(a, b) {
    if (a.inputs) {
      for (var c = 0; c < a.inputs.length; ++c) {
        var d = a.graph.links[a.inputs[c].link];
        if (d) {
          var e = a.graph.getNodeById(d.origin_id);
          e = e.getAudioNodeInOutputSlot ? e.getAudioNodeInOutputSlot(d.origin_slot) : e.audionode;
          d = a.getAudioNodeInInputSlot ? a.getAudioNodeInInputSlot(c) : a.audionode;
          b ? q.connect(e, d) : q.disconnect(e, d);
        }
      }
    }
    if (a.outputs) {
      for (c = 0; c < a.outputs.length; ++c) {
        for (var f = a.outputs[c], g = 0; g < f.links.length; ++g) {
          if (d = a.graph.links[f.links[g]]) {
            e = a.getAudioNodeInOutputSlot ? a.getAudioNodeInOutputSlot(c) : a.audionode;
            var l = a.graph.getNodeById(d.target_id);
            d = l.getAudioNodeInInputSlot ? l.getAudioNodeInInputSlot(d.target_slot) : l.audionode;
            b ? q.connect(e, d) : q.disconnect(e, d);
          }
        }
      }
    }
  };
  q.onConnectionsChange = function(a, b, c, d) {
    a == y.OUTPUT && (a = null, d && (a = this.graph.getNodeById(d.target_id)), a && (b = this.getAudioNodeInOutputSlot ? this.getAudioNodeInOutputSlot(b) : this.audionode, d = a.getAudioNodeInInputSlot ? a.getAudioNodeInInputSlot(d.target_slot) : a.audionode, c ? q.connect(b, d) : q.disconnect(b, d)));
  };
  q.createAudioNodeWrapper = function(a) {
    var b = a.prototype.onPropertyChanged;
    a.prototype.onPropertyChanged = function(a, c) {
      b && b.call(this, a, c);
      this.audionode && void 0 !== this.audionode[a] && (void 0 !== this.audionode[a].value ? this.audionode[a].value = c : this.audionode[a] = c);
    };
    a.prototype.onConnectionsChange = q.onConnectionsChange;
  };
  q.cached_audios = {};
  q.loadSound = function(a, b, c) {
    function d(a) {
      console.log("Audio loading sample error:", a);
      c && c(a);
    }
    if (q.cached_audios[a] && -1 == a.indexOf("blob:")) {
      b && b(q.cached_audios[a]);
    } else {
      q.onProcessAudioURL && (a = q.onProcessAudioURL(a));
      var e = new XMLHttpRequest;
      e.open("GET", a, !0);
      e.responseType = "arraybuffer";
      var f = q.getAudioContext();
      e.onload = function() {
        console.log("AudioSource loaded");
        f.decodeAudioData(e.response, function(c) {
          console.log("AudioSource decoded");
          q.cached_audios[a] = c;
          b && b(c);
        }, d);
      };
      e.send();
      return e;
    }
  };
  c["@src"] = {widget:"resource"};
  c.supported_extensions = ["wav", "ogg", "mp3"];
  c.prototype.onAdded = function(a) {
    if (a.status === LGraph.STATUS_RUNNING) {
      this.onStart();
    }
  };
  c.prototype.onStart = function() {
    this._audiobuffer && this.properties.autoplay && this.playBuffer(this._audiobuffer);
  };
  c.prototype.onStop = function() {
    this.stopAllSounds();
  };
  c.prototype.onPause = function() {
    this.pauseAllSounds();
  };
  c.prototype.onUnpause = function() {
    this.unpauseAllSounds();
  };
  c.prototype.onRemoved = function() {
    this.stopAllSounds();
    this._dropped_url && URL.revokeObjectURL(this._url);
  };
  c.prototype.stopAllSounds = function() {
    for (var a = 0; a < this._audionodes.length; ++a) {
      this._audionodes[a].started && (this._audionodes[a].started = !1, this._audionodes[a].stop());
    }
    this._audionodes.length = 0;
  };
  c.prototype.pauseAllSounds = function() {
    q.getAudioContext().suspend();
  };
  c.prototype.unpauseAllSounds = function() {
    q.getAudioContext().resume();
  };
  c.prototype.onExecute = function() {
    if (this.inputs) {
      for (var a = 0; a < this.inputs.length; ++a) {
        var b = this.inputs[a];
        if (null != b.link) {
          var c = this.getInputData(a);
          if (void 0 !== c) {
            if ("gain" == b.name) {
              this.audionode.gain.value = c;
            } else {
              if ("playbackRate" == b.name) {
                for (this.properties.playbackRate = c, b = 0; b < this._audionodes.length; ++b) {
                  this._audionodes[b].playbackRate.value = c;
                }
              }
            }
          }
        }
      }
    }
    if (this.outputs) {
      for (a = 0; a < this.outputs.length; ++a) {
        "buffer" == this.outputs[a].name && this._audiobuffer && this.setOutputData(a, this._audiobuffer);
      }
    }
  };
  c.prototype.onAction = function(a) {
    this._audiobuffer && ("Play" == a ? this.playBuffer(this._audiobuffer) : "Stop" == a && this.stopAllSounds());
  };
  c.prototype.onPropertyChanged = function(a, b) {
    if ("src" == a) {
      this.loadSound(b);
    } else {
      if ("gain" == a) {
        this.audionode.gain.value = b;
      } else {
        if ("playbackRate" == a) {
          for (a = 0; a < this._audionodes.length; ++a) {
            this._audionodes[a].playbackRate.value = b;
          }
        }
      }
    }
  };
  c.prototype.playBuffer = function(a) {
    var b = this, c = q.getAudioContext().createBufferSource();
    this._last_sourcenode = c;
    c.graphnode = this;
    c.buffer = a;
    c.loop = this.properties.loop;
    c.playbackRate.value = this.properties.playbackRate;
    this._audionodes.push(c);
    c.connect(this.audionode);
    this._audionodes.push(c);
    c.onended = function() {
      b.trigger("ended");
      var a = b._audionodes.indexOf(c);
      -1 != a && b._audionodes.splice(a, 1);
    };
    c.started || (c.started = !0, c.start());
    return c;
  };
  c.prototype.loadSound = function(a) {
    var b = this;
    this._request && (this._request.abort(), this._request = null);
    this._audiobuffer = null;
    this._loading_audio = !1;
    a && (this._request = q.loadSound(a, function(a) {
      this.boxcolor = y.NODE_DEFAULT_BOXCOLOR;
      b._audiobuffer = a;
      b._loading_audio = !1;
      if (b.graph && b.graph.status === LGraph.STATUS_RUNNING) {
        b.onStart();
      }
    }), this._loading_audio = !0, this.boxcolor = "#AA4");
  };
  c.prototype.onConnectionsChange = q.onConnectionsChange;
  c.prototype.onGetInputs = function() {
    return [["playbackRate", "number"], ["Play", y.ACTION], ["Stop", y.ACTION]];
  };
  c.prototype.onGetOutputs = function() {
    return [["buffer", "audiobuffer"], ["ended", y.EVENT]];
  };
  c.prototype.onDropFile = function(a) {
    this._dropped_url && URL.revokeObjectURL(this._dropped_url);
    a = URL.createObjectURL(a);
    this.properties.src = a;
    this.loadSound(a);
    this._dropped_url = a;
  };
  c.title = "Source";
  c.desc = "Plays audio";
  y.registerNodeType("audio/source", c);
  h.prototype.onPropertyChanged = function(a, b) {
    this.audionode[a] = b;
  };
  h.prototype.onExecute = function() {
    if (this.isOutputConnected(0)) {
      var a = this.audionode.frequencyBinCount;
      this._freq_bin && this._freq_bin.length == a || (this._freq_bin = new Uint8Array(a));
      this.audionode.getByteFrequencyData(this._freq_bin);
      this.setOutputData(0, this._freq_bin);
    }
    this.isOutputConnected(1) && (a = this.audionode.frequencyBinCount, this._time_bin && this._time_bin.length == a || (this._time_bin = new Uint8Array(a)), this.audionode.getByteTimeDomainData(this._time_bin), this.setOutputData(1, this._time_bin));
    for (a = 1; a < this.inputs.length; ++a) {
      var b = this.inputs[a];
      if (null != b.link) {
        var c = this.getInputData(a);
        void 0 !== c && (this.audionode[b.name].value = c);
      }
    }
  };
  h.prototype.onGetInputs = function() {
    return [["minDecibels", "number"], ["maxDecibels", "number"], ["smoothingTimeConstant", "number"]];
  };
  h.prototype.onGetOutputs = function() {
    return [["freqs", "array"], ["samples", "array"]];
  };
  h.title = "Analyser";
  h.desc = "Audio Analyser";
  y.registerNodeType("audio/analyser", h);
  e.prototype.onExecute = function() {
    if (this.inputs && this.inputs.length) {
      for (var a = 1; a < this.inputs.length; ++a) {
        var b = this.inputs[a], c = this.getInputData(a);
        void 0 !== c && (this.audionode[b.name].value = c);
      }
    }
  };
  q.createAudioNodeWrapper(e);
  e.title = "Gain";
  e.desc = "Audio gain";
  y.registerNodeType("audio/gain", e);
  q.createAudioNodeWrapper(p);
  p.prototype.onRemove = function() {
    this._dropped_url && URL.revokeObjectURL(this._dropped_url);
  };
  p.prototype.onPropertyChanged = function(a, b) {
    "impulse_src" == a ? this.loadImpulse(b) : "normalize" == a && (this.audionode.normalize = b);
  };
  p.prototype.onDropFile = function(a) {
    this._dropped_url && URL.revokeObjectURL(this._dropped_url);
    this._dropped_url = URL.createObjectURL(a);
    this.properties.impulse_src = this._dropped_url;
    this.loadImpulse(this._dropped_url);
  };
  p.prototype.loadImpulse = function(a) {
    var b = this;
    this._request && (this._request.abort(), this._request = null);
    this._impulse_buffer = null;
    this._loading_impulse = !1;
    a && (this._request = q.loadSound(a, function(a) {
      b._impulse_buffer = a;
      b.audionode.buffer = a;
      console.log("Impulse signal set");
      b._loading_impulse = !1;
    }), this._loading_impulse = !0);
  };
  p.title = "Convolver";
  p.desc = "Convolves the signal (used for reverb)";
  y.registerNodeType("audio/convolver", p);
  q.createAudioNodeWrapper(n);
  n.prototype.onExecute = function() {
    if (this.inputs && this.inputs.length) {
      for (var a = 1; a < this.inputs.length; ++a) {
        var b = this.inputs[a];
        if (null != b.link) {
          var c = this.getInputData(a);
          void 0 !== c && (this.audionode[b.name].value = c);
        }
      }
    }
  };
  n.prototype.onGetInputs = function() {
    return [["threshold", "number"], ["knee", "number"], ["ratio", "number"], ["reduction", "number"], ["attack", "number"], ["release", "number"]];
  };
  n.title = "DynamicsCompressor";
  n.desc = "Dynamics Compressor";
  y.registerNodeType("audio/dynamicsCompressor", n);
  u.prototype.onExecute = function() {
    if (this.inputs && this.inputs.length) {
      var a = this.getInputData(1);
      void 0 !== a && (this.audionode.curve = a);
    }
  };
  u.prototype.setWaveShape = function(a) {
    this.audionode.curve = a;
  };
  q.createAudioNodeWrapper(u);
  x.prototype.getAudioNodeInInputSlot = function(a) {
    if (0 == a) {
      return this.audionode1;
    }
    if (2 == a) {
      return this.audionode2;
    }
  };
  x.prototype.onPropertyChanged = function(a, b) {
    "gain1" == a ? this.audionode1.gain.value = b : "gain2" == a && (this.audionode2.gain.value = b);
  };
  x.prototype.onExecute = function() {
    if (this.inputs && this.inputs.length) {
      for (var a = 1; a < this.inputs.length; ++a) {
        var b = this.inputs[a];
        null != b.link && "audio" != b.type && (b = this.getInputData(a), void 0 !== b && (1 == a ? this.audionode1.gain.value = b : 3 == a && (this.audionode2.gain.value = b)));
      }
    }
  };
  q.createAudioNodeWrapper(x);
  x.title = "Mixer";
  x.desc = "Audio mixer";
  y.registerNodeType("audio/mixer", x);
  q.createAudioNodeWrapper(g);
  g.prototype.onExecute = function() {
    var a = this.getInputData(1);
    void 0 !== a && (this.audionode.delayTime.value = a);
  };
  g.title = "Delay";
  g.desc = "Audio delay";
  y.registerNodeType("audio/delay", g);
  k.prototype.onExecute = function() {
    if (this.inputs && this.inputs.length) {
      for (var a = 1; a < this.inputs.length; ++a) {
        var b = this.inputs[a];
        if (null != b.link) {
          var c = this.getInputData(a);
          void 0 !== c && (this.audionode[b.name].value = c);
        }
      }
    }
  };
  k.prototype.onGetInputs = function() {
    return [["frequency", "number"], ["detune", "number"], ["Q", "number"]];
  };
  q.createAudioNodeWrapper(k);
  k.title = "BiquadFilter";
  k.desc = "Audio filter";
  y.registerNodeType("audio/biquadfilter", k);
  a.prototype.onStart = function() {
    this.audionode.started || (this.audionode.started = !0, this.audionode.start());
  };
  a.prototype.onStop = function() {
    this.audionode.started && (this.audionode.started = !1, this.audionode.stop());
  };
  a.prototype.onPause = function() {
    this.onStop();
  };
  a.prototype.onUnpause = function() {
    this.onStart();
  };
  a.prototype.onExecute = function() {
    if (this.inputs && this.inputs.length) {
      for (var a = 0; a < this.inputs.length; ++a) {
        var b = this.inputs[a];
        if (null != b.link) {
          var c = this.getInputData(a);
          void 0 !== c && (this.audionode[b.name].value = c);
        }
      }
    }
  };
  a.prototype.onGetInputs = function() {
    return [["frequency", "number"], ["detune", "number"], ["type", "string"]];
  };
  q.createAudioNodeWrapper(a);
  a.title = "Oscillator";
  a.desc = "Oscillator";
  y.registerNodeType("audio/oscillator", a);
  b.prototype.onExecute = function() {
    this._last_buffer = this.getInputData(0);
    var a = this.getInputData(1);
    void 0 !== a && (this.properties.mark = a);
    this.setDirtyCanvas(!0, !1);
  };
  b.prototype.onDrawForeground = function(a) {
    if (this._last_buffer) {
      var b = this._last_buffer, c = b.length / this.size[0], d = this.size[1];
      a.fillStyle = "black";
      a.fillRect(0, 0, this.size[0], this.size[1]);
      a.strokeStyle = "white";
      a.beginPath();
      var e = 0;
      if (this.properties.continuous) {
        a.moveTo(e, d);
        for (var f = 0; f < b.length; f += c) {
          a.lineTo(e, d - b[f | 0] / 255 * d), e++;
        }
      } else {
        for (f = 0; f < b.length; f += c) {
          a.moveTo(e + 0.5, d), a.lineTo(e + 0.5, d - b[f | 0] / 255 * d), e++;
        }
      }
      a.stroke();
      0 <= this.properties.mark && (b = q.getAudioContext().sampleRate / b.length, e = this.properties.mark / b * 2 / c, e >= this.size[0] && (e = this.size[0] - 1), a.strokeStyle = "red", a.beginPath(), a.moveTo(e, d), a.lineTo(e, 0), a.stroke());
    }
  };
  b.title = "Visualization";
  b.desc = "Audio Visualization";
  y.registerNodeType("audio/visualization", b);
  d.prototype.onExecute = function() {
    if (this._freqs = this.getInputData(0)) {
      var a = this.properties.band, b = this.getInputData(1);
      void 0 !== b && (a = b);
      b = q.getAudioContext().sampleRate / this._freqs.length;
      b = a / b * 2;
      b >= this._freqs.length ? b = this._freqs[this._freqs.length - 1] : (a = b | 0, b -= a, b = this._freqs[a] * (1 - b) + this._freqs[a + 1] * b);
      this.setOutputData(0, b / 255 * this.properties.amplitude);
    }
  };
  d.prototype.onGetInputs = function() {
    return [["band", "number"]];
  };
  d.title = "Signal";
  d.desc = "extract the signal of some frequency";
  y.registerNodeType("audio/signal", d);
  f.prototype.onAdded = function(a) {
    a.status == LGraph.STATUS_RUNNING && (this.audionode.onaudioprocess = this._callback);
  };
  f["@code"] = {widget:"code"};
  f.prototype.onStart = function() {
    this.audionode.onaudioprocess = this._callback;
  };
  f.prototype.onStop = function() {
    this.audionode.onaudioprocess = f._bypass_function;
  };
  f.prototype.onPause = function() {
    this.audionode.onaudioprocess = f._bypass_function;
  };
  f.prototype.onUnpause = function() {
    this.audionode.onaudioprocess = this._callback;
  };
  f.prototype.onExecute = function() {
  };
  f.prototype.onRemoved = function() {
    this.audionode.onaudioprocess = f._bypass_function;
  };
  f.prototype.processCode = function() {
    try {
      this._script = new (new Function("properties", this.properties.code))(this.properties), this._old_code = this.properties.code, this._callback = this._script.onaudioprocess;
    } catch (l) {
      console.error("Error in onaudioprocess code", l), this._callback = f._bypass_function, this.audionode.onaudioprocess = this._callback;
    }
  };
  f.prototype.onPropertyChanged = function(a, b) {
    "code" == a && (this.properties.code = b, this.processCode(), this.graph && this.graph.status == LGraph.STATUS_RUNNING && (this.audionode.onaudioprocess = this._callback));
  };
  f.default_function = function() {
    this.onaudioprocess = function(a) {
      var b = a.inputBuffer;
      a = a.outputBuffer;
      for (var c = 0; c < a.numberOfChannels; c++) {
        for (var d = b.getChannelData(c), e = a.getChannelData(c), f = 0; f < b.length; f++) {
          e[f] = d[f];
        }
      }
    };
  };
  q.createAudioNodeWrapper(f);
  f.title = "Script";
  f.desc = "apply script to signal";
  y.registerNodeType("audio/script", f);
  t.title = "Destination";
  t.desc = "Audio output";
  y.registerNodeType("audio/destination", t);
})(this);