improved support for webgl

src/nodes/input.js

@@ -0,0 +1,132 @@
+(function(){
+
+function GamepadInput()
+{
+	this.addOutput("left_x_axis","number");
+	this.addOutput("left_y_axis","number");
+	this.properties = {};
+}
+
+GamepadInput.title = "Gamepad";
+GamepadInput.desc = "gets the input of the gamepad";
+
+GamepadInput.prototype.onExecute = function()
+{
+	//get gamepad
+	var gamepad = this.getGamepad();
+	if(!gamepad)
+		return;
+
+	if(this.outputs)
+	{
+		for(var i = 0; i < this.outputs.length; i++)
+		{
+			var output = this.outputs[i];
+			var v = null;
+			switch( output.name )
+			{
+				case "left_x_axis": v = gamepad.xbox.axes["lx"]; break;
+				case "left_y_axis": v = gamepad.xbox.axes["ly"]; break;
+				case "right_x_axis": v = gamepad.xbox.axes["rx"]; break;
+				case "right_y_axis": v = gamepad.xbox.axes["ry"]; break;
+				case "a_button": v = gamepad.xbox.buttons["a"] ? 1 : 0; break;
+				case "b_button": v = gamepad.xbox.buttons["b"] ? 1 : 0; break;
+				case "x_button": v = gamepad.xbox.buttons["x"] ? 1 : 0; break;
+				case "y_button": v = gamepad.xbox.buttons["y"] ? 1 : 0; break;
+				case "lb_button": v = gamepad.xbox.buttons["lb"] ? 1 : 0; break;
+				case "rb_button": v = gamepad.xbox.buttons["rb"] ? 1 : 0; break;
+				case "ls_button": v = gamepad.xbox.buttons["ls"] ? 1 : 0; break;
+				case "rs_button": v = gamepad.xbox.buttons["rs"] ? 1 : 0; break;
+				case "start_button": v = gamepad.xbox.buttons["start"] ? 1 : 0; break;
+				case "back_button": v = gamepad.xbox.buttons["back"] ? 1 : 0; break;
+				default: break;
+			}
+			this.setOutputData(i,v);
+		}
+	}
+}
+
+GamepadInput.prototype.getGamepad = function()
+{
+	var getGamepads = navigator.getGamepads || navigator.webkitGetGamepads || navigator.mozGetGamepads; 
+	if(!getGamepads)
+		return null;
+	var gamepads = getGamepads.call(navigator);
+	var gamepad = null;
+
+	for(var i = 0; i < 4; i++)
+	{
+		if (gamepads[i])
+		{
+			gamepad = gamepads[i];
+
+			//xbox controller mapping
+			var xbox = this.xbox_mapping;
+			if(!xbox)
+				xbox = this.xbox_mapping = { axes:[], buttons:{}, hat: ""};
+
+			xbox.axes["lx"] = gamepad.axes[0];
+			xbox.axes["ly"] = gamepad.axes[1];
+			xbox.axes["rx"] = gamepad.axes[2];
+			xbox.axes["ry"] = gamepad.axes[3];
+			xbox.axes["triggers"] = gamepad.axes[4];
+
+			for(var i = 0; i < gamepad.buttons.length; i++)
+			{
+				//mapping of XBOX
+				switch(i) //I use a switch to ensure that a player with another gamepad could play
+				{
+					case 0: xbox.buttons["a"] = gamepad.buttons[i].pressed; break;
+					case 1: xbox.buttons["b"] = gamepad.buttons[i].pressed; break;
+					case 2: xbox.buttons["x"] = gamepad.buttons[i].pressed; break;
+					case 3: xbox.buttons["y"] = gamepad.buttons[i].pressed; break;
+					case 4: xbox.buttons["lb"] = gamepad.buttons[i].pressed; break;
+					case 5: xbox.buttons["rb"] = gamepad.buttons[i].pressed; break;
+					case 6: xbox.buttons["lt"] = gamepad.buttons[i].pressed; break;
+					case 7: xbox.buttons["rt"] = gamepad.buttons[i].pressed; break;
+					case 8: xbox.buttons["back"] = gamepad.buttons[i].pressed; break;
+					case 9: xbox.buttons["start"] = gamepad.buttons[i].pressed; break;
+					case 10: xbox.buttons["ls"] = gamepad.buttons[i].pressed; break;
+					case 11: xbox.buttons["rs"] = gamepad.buttons[i].pressed; break;
+					case 12: if( gamepad.buttons[i].pressed) xbox.hat += "up"; break;
+					case 13: if( gamepad.buttons[i].pressed) xbox.hat += "down"; break;
+					case 14: if( gamepad.buttons[i].pressed) xbox.hat += "left"; break;
+					case 15: if( gamepad.buttons[i].pressed) xbox.hat += "right"; break;
+					case 16: xbox.buttons["home"] = gamepad.buttons[i].pressed; break;
+					default:
+				}
+			}
+			gamepad.xbox = xbox;
+			return gamepad;
+		}	
+	}
+}
+
+GamepadInput.prototype.onDrawBackground = function(ctx)
+{
+	//render
+}
+
+GamepadInput.prototype.onGetOutputs = function() {
+	return [
+		["left_x_axis","number"],
+		["left_y_axis","number"],
+		["right_x_axis","number"],
+		["right_y_axis","number"],
+		["trigger","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"]
+	];
+}
+
+LiteGraph.registerNodeType("input/gamepad", GamepadInput );
+
+})();