mirror of
https://github.com/Comfy-Org/ComfyUI_frontend.git
synced 2026-01-31 05:19:53 +00:00
1002 lines
30 KiB
TypeScript
1002 lines
30 KiB
TypeScript
import { LGraphNode } from '@comfyorg/litegraph'
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import * as THREE from 'three'
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import { OrbitControls } from 'three/examples/jsm/controls/OrbitControls'
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import { ViewHelper } from 'three/examples/jsm/helpers/ViewHelper'
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import { FBXLoader } from 'three/examples/jsm/loaders/FBXLoader'
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import { GLTF, GLTFLoader } from 'three/examples/jsm/loaders/GLTFLoader'
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import { MTLLoader } from 'three/examples/jsm/loaders/MTLLoader'
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import { OBJLoader } from 'three/examples/jsm/loaders/OBJLoader'
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import { STLLoader } from 'three/examples/jsm/loaders/STLLoader'
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import { useToastStore } from '@/stores/toastStore'
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class Load3d {
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scene: THREE.Scene
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perspectiveCamera: THREE.PerspectiveCamera
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orthographicCamera: THREE.OrthographicCamera
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activeCamera: THREE.Camera
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renderer: THREE.WebGLRenderer
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controls: OrbitControls
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gltfLoader: GLTFLoader
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objLoader: OBJLoader
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mtlLoader: MTLLoader
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fbxLoader: FBXLoader
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stlLoader: STLLoader
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currentModel: THREE.Object3D | null = null
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originalModel: THREE.Object3D | THREE.BufferGeometry | GLTF | null = null
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animationFrameId: number | null = null
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gridHelper: THREE.GridHelper
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lights: THREE.Light[] = []
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clock: THREE.Clock
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normalMaterial: THREE.MeshNormalMaterial
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standardMaterial: THREE.MeshStandardMaterial
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wireframeMaterial: THREE.MeshBasicMaterial
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depthMaterial: THREE.MeshDepthMaterial
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originalMaterials: WeakMap<THREE.Mesh, THREE.Material | THREE.Material[]> =
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new WeakMap()
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materialMode: 'original' | 'normal' | 'wireframe' | 'depth' = 'original'
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currentUpDirection: 'original' | '-x' | '+x' | '-y' | '+y' | '-z' | '+z' =
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'original'
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originalRotation: THREE.Euler | null = null
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viewHelper: ViewHelper = {} as ViewHelper
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viewHelperContainer: HTMLDivElement = {} as HTMLDivElement
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cameraSwitcherContainer: HTMLDivElement = {} as HTMLDivElement
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gridSwitcherContainer: HTMLDivElement = {} as HTMLDivElement
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node: LGraphNode = {} as LGraphNode
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bgColorInput: HTMLInputElement = {} as HTMLInputElement
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constructor(container: Element | HTMLElement) {
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this.scene = new THREE.Scene()
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this.perspectiveCamera = new THREE.PerspectiveCamera(75, 1, 0.1, 1000)
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this.perspectiveCamera.position.set(5, 5, 5)
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const frustumSize = 10
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this.orthographicCamera = new THREE.OrthographicCamera(
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-frustumSize / 2,
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frustumSize / 2,
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frustumSize / 2,
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-frustumSize / 2,
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0.1,
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1000
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)
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this.orthographicCamera.position.set(5, 5, 5)
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this.activeCamera = this.perspectiveCamera
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this.perspectiveCamera.lookAt(0, 0, 0)
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this.orthographicCamera.lookAt(0, 0, 0)
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this.renderer = new THREE.WebGLRenderer({ alpha: true, antialias: true })
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this.renderer.setSize(300, 300)
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this.renderer.setClearColor(0x282828)
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this.renderer.autoClear = false
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const rendererDomElement: HTMLCanvasElement = this.renderer.domElement
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container.appendChild(rendererDomElement)
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this.controls = new OrbitControls(
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this.activeCamera,
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this.renderer.domElement
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)
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this.controls.enableDamping = true
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this.controls.addEventListener('end', () => {
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this.storeNodeProperty('Camera Info', this.getCameraState())
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})
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this.gltfLoader = new GLTFLoader()
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this.objLoader = new OBJLoader()
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this.mtlLoader = new MTLLoader()
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this.fbxLoader = new FBXLoader()
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this.stlLoader = new STLLoader()
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this.clock = new THREE.Clock()
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this.setupLights()
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this.gridHelper = new THREE.GridHelper(10, 10)
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this.gridHelper.position.set(0, 0, 0)
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this.scene.add(this.gridHelper)
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this.normalMaterial = new THREE.MeshNormalMaterial({
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flatShading: false,
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side: THREE.DoubleSide,
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normalScale: new THREE.Vector2(1, 1),
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transparent: false,
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opacity: 1.0
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})
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this.wireframeMaterial = new THREE.MeshBasicMaterial({
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color: 0xffffff,
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wireframe: true,
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transparent: false,
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opacity: 1.0
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})
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this.depthMaterial = new THREE.MeshDepthMaterial({
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depthPacking: THREE.BasicDepthPacking,
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side: THREE.DoubleSide
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})
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this.standardMaterial = this.createSTLMaterial()
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this.createViewHelper(container)
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this.createGridSwitcher(container)
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this.createCameraSwitcher(container)
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this.createColorPicker(container)
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this.handleResize()
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this.startAnimation()
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}
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setNode(node: LGraphNode) {
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this.node = node
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}
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storeNodeProperty(name: string, value: any) {
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if (this.node) {
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this.node.properties[name] = value
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}
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}
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loadNodeProperty(name: string, defaultValue: any) {
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if (
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!this.node ||
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!this.node.properties ||
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!(name in this.node.properties)
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) {
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return defaultValue
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}
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return this.node.properties[name]
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}
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createViewHelper(container: Element | HTMLElement) {
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this.viewHelperContainer = document.createElement('div')
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this.viewHelperContainer.style.position = 'absolute'
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this.viewHelperContainer.style.bottom = '0'
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this.viewHelperContainer.style.left = '0'
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this.viewHelperContainer.style.width = '128px'
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this.viewHelperContainer.style.height = '128px'
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this.viewHelperContainer.addEventListener('pointerup', (event) => {
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event.stopPropagation()
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this.viewHelper.handleClick(event)
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})
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this.viewHelperContainer.addEventListener('pointerdown', (event) => {
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event.stopPropagation()
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})
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container.appendChild(this.viewHelperContainer)
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this.viewHelper = new ViewHelper(
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this.activeCamera,
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this.viewHelperContainer
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)
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this.viewHelper.center = this.controls.target
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}
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createGridSwitcher(container: Element | HTMLElement) {
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this.gridSwitcherContainer = document.createElement('div')
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this.gridSwitcherContainer.style.position = 'absolute'
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this.gridSwitcherContainer.style.top = '28px' // 修改这里，让按钮在相机按钮下方
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this.gridSwitcherContainer.style.left = '3px' // 与相机按钮左对齐
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this.gridSwitcherContainer.style.width = '20px'
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this.gridSwitcherContainer.style.height = '20px'
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this.gridSwitcherContainer.style.cursor = 'pointer'
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this.gridSwitcherContainer.style.alignItems = 'center'
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this.gridSwitcherContainer.style.justifyContent = 'center'
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this.gridSwitcherContainer.style.transition = 'background-color 0.2s'
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const gridIcon = document.createElement('div')
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gridIcon.innerHTML = `
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<svg width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="white" stroke-width="2">
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<path d="M3 3h18v18H3z"/>
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<path d="M3 9h18"/>
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<path d="M3 15h18"/>
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<path d="M9 3v18"/>
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<path d="M15 3v18"/>
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</svg>
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`
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const updateButtonState = () => {
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if (this.gridHelper.visible) {
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this.gridSwitcherContainer.style.backgroundColor =
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'rgba(255, 255, 255, 0.2)'
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} else {
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this.gridSwitcherContainer.style.backgroundColor = 'transparent'
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}
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}
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updateButtonState()
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this.gridSwitcherContainer.addEventListener('mouseenter', () => {
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if (!this.gridHelper.visible) {
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this.gridSwitcherContainer.style.backgroundColor = 'rgba(0, 0, 0, 0.5)'
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}
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})
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this.gridSwitcherContainer.addEventListener('mouseleave', () => {
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if (!this.gridHelper.visible) {
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this.gridSwitcherContainer.style.backgroundColor = 'transparent'
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}
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})
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this.gridSwitcherContainer.title = 'Toggle Grid'
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this.gridSwitcherContainer.addEventListener('click', (event) => {
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event.stopPropagation()
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this.toggleGrid(!this.gridHelper.visible)
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updateButtonState()
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})
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this.gridSwitcherContainer.appendChild(gridIcon)
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container.appendChild(this.gridSwitcherContainer)
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}
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createCameraSwitcher(container: Element | HTMLElement) {
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this.cameraSwitcherContainer = document.createElement('div')
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this.cameraSwitcherContainer.style.position = 'absolute'
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this.cameraSwitcherContainer.style.top = '3px'
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this.cameraSwitcherContainer.style.left = '3px'
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this.cameraSwitcherContainer.style.width = '20px'
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this.cameraSwitcherContainer.style.height = '20px'
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this.cameraSwitcherContainer.style.cursor = 'pointer'
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this.cameraSwitcherContainer.style.alignItems = 'center'
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this.cameraSwitcherContainer.style.justifyContent = 'center'
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const cameraIcon = document.createElement('div')
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cameraIcon.innerHTML = `
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<svg width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="white" stroke-width="2">
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<path d="M18 4H6a2 2 0 0 0-2 2v12a2 2 0 0 0 2 2h12a2 2 0 0 0 2-2V6a2 2 0 0 0-2-2Z"/>
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<path d="m12 12 4-2.4"/>
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<circle cx="12" cy="12" r="3"/>
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</svg>
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`
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this.cameraSwitcherContainer.addEventListener('mouseenter', () => {
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this.cameraSwitcherContainer.style.backgroundColor = 'rgba(0, 0, 0, 0.5)'
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})
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this.cameraSwitcherContainer.addEventListener('mouseleave', () => {
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this.cameraSwitcherContainer.style.backgroundColor = 'rgba(0, 0, 0, 0.3)'
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})
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this.cameraSwitcherContainer.title =
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'Switch Camera (Perspective/Orthographic)'
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this.cameraSwitcherContainer.addEventListener('click', (event) => {
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event.stopPropagation()
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this.toggleCamera()
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})
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this.cameraSwitcherContainer.appendChild(cameraIcon)
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container.appendChild(this.cameraSwitcherContainer)
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}
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createColorPicker(container: Element | HTMLElement) {
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const colorPickerContainer = document.createElement('div')
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colorPickerContainer.style.position = 'absolute'
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colorPickerContainer.style.top = '53px'
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colorPickerContainer.style.left = '3px'
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colorPickerContainer.style.width = '20px'
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colorPickerContainer.style.height = '20px'
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colorPickerContainer.style.cursor = 'pointer'
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colorPickerContainer.style.alignItems = 'center'
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colorPickerContainer.style.justifyContent = 'center'
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colorPickerContainer.title = 'Background Color'
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const colorInput = document.createElement('input')
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colorInput.type = 'color'
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colorInput.style.opacity = '0'
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colorInput.style.position = 'absolute'
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colorInput.style.width = '100%'
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colorInput.style.height = '100%'
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colorInput.style.cursor = 'pointer'
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const colorIcon = document.createElement('div')
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colorIcon.innerHTML = `
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<svg width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="white" stroke-width="2">
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<rect x="3" y="3" width="18" height="18" rx="2"/>
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<path d="M12 3v18"/>
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<path d="M3 12h18"/>
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</svg>
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`
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colorInput.addEventListener('input', (event) => {
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const color = (event.target as HTMLInputElement).value
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this.setBackgroundColor(color)
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this.storeNodeProperty('Background Color', color)
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})
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this.bgColorInput = colorInput
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colorPickerContainer.appendChild(colorInput)
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colorPickerContainer.appendChild(colorIcon)
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container.appendChild(colorPickerContainer)
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}
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setFOV(fov: number) {
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if (this.activeCamera === this.perspectiveCamera) {
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this.perspectiveCamera.fov = fov
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this.perspectiveCamera.updateProjectionMatrix()
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this.renderer.render(this.scene, this.activeCamera)
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}
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}
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getCameraState() {
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const currentType = this.getCurrentCameraType()
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return {
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position: this.activeCamera.position.clone(),
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target: this.controls.target.clone(),
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zoom:
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this.activeCamera instanceof THREE.OrthographicCamera
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? this.activeCamera.zoom
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: (this.activeCamera as THREE.PerspectiveCamera).zoom,
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cameraType: currentType
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}
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}
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setCameraState(state: {
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position: THREE.Vector3
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target: THREE.Vector3
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zoom: number
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cameraType: 'perspective' | 'orthographic'
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}) {
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if (
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this.activeCamera !==
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(state.cameraType === 'perspective'
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? this.perspectiveCamera
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: this.orthographicCamera)
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) {
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//this.toggleCamera(state.cameraType)
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}
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this.activeCamera.position.copy(state.position)
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this.controls.target.copy(state.target)
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if (this.activeCamera instanceof THREE.OrthographicCamera) {
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this.activeCamera.zoom = state.zoom
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this.activeCamera.updateProjectionMatrix()
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} else if (this.activeCamera instanceof THREE.PerspectiveCamera) {
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this.activeCamera.zoom = state.zoom
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this.activeCamera.updateProjectionMatrix()
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}
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this.controls.update()
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}
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setUpDirection(
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direction: 'original' | '-x' | '+x' | '-y' | '+y' | '-z' | '+z'
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) {
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if (!this.currentModel) return
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if (!this.originalRotation && this.currentModel.rotation) {
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this.originalRotation = this.currentModel.rotation.clone()
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}
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this.currentUpDirection = direction
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if (this.originalRotation) {
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this.currentModel.rotation.copy(this.originalRotation)
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}
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switch (direction) {
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case 'original':
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break
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case '-x':
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this.currentModel.rotation.z = Math.PI / 2
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break
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case '+x':
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this.currentModel.rotation.z = -Math.PI / 2
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break
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case '-y':
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this.currentModel.rotation.x = Math.PI
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break
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case '+y':
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break
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case '-z':
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this.currentModel.rotation.x = Math.PI / 2
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break
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case '+z':
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this.currentModel.rotation.x = -Math.PI / 2
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break
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}
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this.renderer.render(this.scene, this.activeCamera)
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}
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setMaterialMode(mode: 'original' | 'normal' | 'wireframe' | 'depth') {
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this.materialMode = mode
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if (this.currentModel) {
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if (mode === 'depth') {
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this.renderer.outputColorSpace = THREE.LinearSRGBColorSpace
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} else {
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this.renderer.outputColorSpace = THREE.SRGBColorSpace
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}
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this.currentModel.traverse((child) => {
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if (child instanceof THREE.Mesh) {
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switch (mode) {
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case 'depth':
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if (!this.originalMaterials.has(child)) {
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this.originalMaterials.set(child, child.material)
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}
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const depthMat = new THREE.MeshDepthMaterial({
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depthPacking: THREE.BasicDepthPacking,
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side: THREE.DoubleSide
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})
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depthMat.onBeforeCompile = (shader) => {
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shader.uniforms.cameraType = {
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value:
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this.activeCamera instanceof THREE.OrthographicCamera
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? 1.0
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: 0.0
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}
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shader.fragmentShader = `
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uniform float cameraType;
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${shader.fragmentShader}
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`
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shader.fragmentShader = shader.fragmentShader.replace(
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/gl_FragColor\s*=\s*vec4\(\s*vec3\(\s*1.0\s*-\s*fragCoordZ\s*\)\s*,\s*opacity\s*\)\s*;/,
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`
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float depth = 1.0 - fragCoordZ;
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if (cameraType > 0.5) {
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depth = pow(depth, 400.0);
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} else {
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depth = pow(depth, 0.6);
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}
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gl_FragColor = vec4(vec3(depth), opacity);
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`
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)
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}
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depthMat.customProgramCacheKey = () => {
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return this.activeCamera instanceof THREE.OrthographicCamera
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? 'ortho'
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: 'persp'
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}
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child.material = depthMat
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break
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case 'normal':
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if (!this.originalMaterials.has(child)) {
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this.originalMaterials.set(child, child.material)
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}
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child.material = new THREE.MeshNormalMaterial({
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flatShading: false,
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side: THREE.DoubleSide,
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normalScale: new THREE.Vector2(1, 1),
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transparent: false,
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opacity: 1.0
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})
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child.geometry.computeVertexNormals()
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break
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case 'wireframe':
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if (!this.originalMaterials.has(child)) {
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this.originalMaterials.set(child, child.material)
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}
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child.material = new THREE.MeshBasicMaterial({
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color: 0xffffff,
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wireframe: true,
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transparent: false,
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opacity: 1.0
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})
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break
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case 'original':
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const originalMaterial = this.originalMaterials.get(child)
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if (originalMaterial) {
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child.material = originalMaterial
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} else {
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child.material = this.standardMaterial
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}
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break
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}
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}
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})
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this.renderer.render(this.scene, this.activeCamera)
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}
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}
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setupLights() {
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const ambientLight = new THREE.AmbientLight(0xffffff, 0.5)
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this.scene.add(ambientLight)
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this.lights.push(ambientLight)
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const mainLight = new THREE.DirectionalLight(0xffffff, 0.8)
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mainLight.position.set(0, 10, 10)
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|
this.scene.add(mainLight)
|
|
this.lights.push(mainLight)
|
|
|
|
const backLight = new THREE.DirectionalLight(0xffffff, 0.5)
|
|
backLight.position.set(0, 10, -10)
|
|
this.scene.add(backLight)
|
|
this.lights.push(backLight)
|
|
|
|
const leftFillLight = new THREE.DirectionalLight(0xffffff, 0.3)
|
|
leftFillLight.position.set(-10, 0, 0)
|
|
this.scene.add(leftFillLight)
|
|
this.lights.push(leftFillLight)
|
|
|
|
const rightFillLight = new THREE.DirectionalLight(0xffffff, 0.3)
|
|
rightFillLight.position.set(10, 0, 0)
|
|
this.scene.add(rightFillLight)
|
|
this.lights.push(rightFillLight)
|
|
|
|
const bottomLight = new THREE.DirectionalLight(0xffffff, 0.2)
|
|
bottomLight.position.set(0, -10, 0)
|
|
this.scene.add(bottomLight)
|
|
this.lights.push(bottomLight)
|
|
}
|
|
|
|
toggleCamera(cameraType?: 'perspective' | 'orthographic') {
|
|
const oldCamera = this.activeCamera
|
|
|
|
const position = oldCamera.position.clone()
|
|
const rotation = oldCamera.rotation.clone()
|
|
const target = this.controls.target.clone()
|
|
|
|
if (!cameraType) {
|
|
this.activeCamera =
|
|
oldCamera === this.perspectiveCamera
|
|
? this.orthographicCamera
|
|
: this.perspectiveCamera
|
|
} else {
|
|
this.activeCamera =
|
|
cameraType === 'perspective'
|
|
? this.perspectiveCamera
|
|
: this.orthographicCamera
|
|
|
|
if (oldCamera === this.activeCamera) {
|
|
return
|
|
}
|
|
}
|
|
|
|
this.activeCamera.position.copy(position)
|
|
this.activeCamera.rotation.copy(rotation)
|
|
|
|
if (this.materialMode === 'depth' && oldCamera !== this.activeCamera) {
|
|
this.setMaterialMode('depth')
|
|
}
|
|
|
|
this.controls.object = this.activeCamera
|
|
this.controls.target.copy(target)
|
|
this.controls.update()
|
|
|
|
this.viewHelper.dispose()
|
|
this.viewHelper = new ViewHelper(
|
|
this.activeCamera,
|
|
this.viewHelperContainer
|
|
)
|
|
this.viewHelper.center = this.controls.target
|
|
|
|
this.storeNodeProperty('Camera Type', this.getCurrentCameraType())
|
|
this.handleResize()
|
|
}
|
|
|
|
getCurrentCameraType(): 'perspective' | 'orthographic' {
|
|
return this.activeCamera === this.perspectiveCamera
|
|
? 'perspective'
|
|
: 'orthographic'
|
|
}
|
|
|
|
toggleGrid(showGrid: boolean) {
|
|
if (this.gridHelper) {
|
|
this.gridHelper.visible = showGrid
|
|
|
|
this.storeNodeProperty('Show Grid', showGrid)
|
|
}
|
|
}
|
|
|
|
setLightIntensity(intensity: number) {
|
|
this.lights.forEach((light) => {
|
|
if (light instanceof THREE.DirectionalLight) {
|
|
if (light === this.lights[1]) {
|
|
light.intensity = intensity * 0.8
|
|
} else if (light === this.lights[2]) {
|
|
light.intensity = intensity * 0.5
|
|
} else if (light === this.lights[5]) {
|
|
light.intensity = intensity * 0.2
|
|
} else {
|
|
light.intensity = intensity * 0.3
|
|
}
|
|
} else if (light instanceof THREE.AmbientLight) {
|
|
light.intensity = intensity * 0.5
|
|
}
|
|
})
|
|
}
|
|
|
|
startAnimation() {
|
|
const animate = () => {
|
|
this.animationFrameId = requestAnimationFrame(animate)
|
|
const delta = this.clock.getDelta()
|
|
|
|
if (this.viewHelper.animating) {
|
|
this.viewHelper.update(delta)
|
|
|
|
if (!this.viewHelper.animating) {
|
|
this.storeNodeProperty('Camera Info', this.getCameraState())
|
|
}
|
|
}
|
|
|
|
this.renderer.clear()
|
|
this.controls.update()
|
|
this.renderer.render(this.scene, this.activeCamera)
|
|
this.viewHelper.render(this.renderer)
|
|
}
|
|
animate()
|
|
}
|
|
|
|
clearModel() {
|
|
const objectsToRemove: THREE.Object3D[] = []
|
|
|
|
this.scene.traverse((object) => {
|
|
const isEnvironmentObject =
|
|
object === this.gridHelper ||
|
|
this.lights.includes(object as THREE.Light) ||
|
|
object === this.perspectiveCamera ||
|
|
object === this.orthographicCamera
|
|
|
|
if (!isEnvironmentObject) {
|
|
objectsToRemove.push(object)
|
|
}
|
|
})
|
|
|
|
objectsToRemove.forEach((obj) => {
|
|
if (obj.parent && obj.parent !== this.scene) {
|
|
obj.parent.remove(obj)
|
|
} else {
|
|
this.scene.remove(obj)
|
|
}
|
|
|
|
if (obj instanceof THREE.Mesh) {
|
|
obj.geometry?.dispose()
|
|
if (Array.isArray(obj.material)) {
|
|
obj.material.forEach((material) => material.dispose())
|
|
} else {
|
|
obj.material?.dispose()
|
|
}
|
|
}
|
|
})
|
|
|
|
this.resetScene()
|
|
}
|
|
|
|
protected resetScene() {
|
|
this.currentModel = null
|
|
this.originalRotation = null
|
|
|
|
const defaultDistance = 10
|
|
this.perspectiveCamera.position.set(
|
|
defaultDistance,
|
|
defaultDistance,
|
|
defaultDistance
|
|
)
|
|
this.orthographicCamera.position.set(
|
|
defaultDistance,
|
|
defaultDistance,
|
|
defaultDistance
|
|
)
|
|
|
|
this.perspectiveCamera.lookAt(0, 0, 0)
|
|
this.orthographicCamera.lookAt(0, 0, 0)
|
|
|
|
const frustumSize = 10
|
|
const aspect =
|
|
this.renderer.domElement.width / this.renderer.domElement.height
|
|
this.orthographicCamera.left = (-frustumSize * aspect) / 2
|
|
this.orthographicCamera.right = (frustumSize * aspect) / 2
|
|
this.orthographicCamera.top = frustumSize / 2
|
|
this.orthographicCamera.bottom = -frustumSize / 2
|
|
|
|
this.perspectiveCamera.updateProjectionMatrix()
|
|
this.orthographicCamera.updateProjectionMatrix()
|
|
|
|
this.controls.target.set(0, 0, 0)
|
|
this.controls.update()
|
|
|
|
this.renderer.render(this.scene, this.activeCamera)
|
|
|
|
this.materialMode = 'original'
|
|
this.originalMaterials = new WeakMap()
|
|
this.renderer.outputColorSpace = THREE.SRGBColorSpace
|
|
}
|
|
|
|
remove() {
|
|
if (this.animationFrameId !== null) {
|
|
cancelAnimationFrame(this.animationFrameId)
|
|
}
|
|
|
|
this.controls.dispose()
|
|
this.viewHelper.dispose()
|
|
this.renderer.dispose()
|
|
this.renderer.domElement.remove()
|
|
this.scene.clear()
|
|
}
|
|
|
|
protected async loadModelInternal(
|
|
url: string,
|
|
fileExtension: string
|
|
): Promise<THREE.Object3D | null> {
|
|
let model: THREE.Object3D | null = null
|
|
|
|
switch (fileExtension) {
|
|
case 'stl':
|
|
const geometry = await this.stlLoader.loadAsync(url)
|
|
|
|
this.originalModel = geometry
|
|
|
|
geometry.computeVertexNormals()
|
|
const mesh = new THREE.Mesh(geometry, this.standardMaterial)
|
|
const group = new THREE.Group()
|
|
group.add(mesh)
|
|
model = group
|
|
break
|
|
|
|
case 'fbx':
|
|
const fbxModel = await this.fbxLoader.loadAsync(url)
|
|
|
|
this.originalModel = fbxModel
|
|
|
|
model = fbxModel
|
|
|
|
fbxModel.traverse((child) => {
|
|
if (child instanceof THREE.Mesh) {
|
|
this.originalMaterials.set(child, child.material)
|
|
}
|
|
})
|
|
|
|
break
|
|
|
|
case 'obj':
|
|
if (this.materialMode === 'original') {
|
|
const mtlUrl = url.replace(/\.obj([^.]*$)/, '.mtl$1')
|
|
try {
|
|
const materials = await this.mtlLoader.loadAsync(mtlUrl)
|
|
materials.preload()
|
|
this.objLoader.setMaterials(materials)
|
|
} catch (e) {
|
|
console.log(
|
|
'No MTL file found or error loading it, continuing without materials'
|
|
)
|
|
}
|
|
}
|
|
model = await this.objLoader.loadAsync(url)
|
|
model.traverse((child) => {
|
|
if (child instanceof THREE.Mesh) {
|
|
this.originalMaterials.set(child, child.material)
|
|
}
|
|
})
|
|
break
|
|
|
|
case 'gltf':
|
|
case 'glb':
|
|
const gltf = await this.gltfLoader.loadAsync(url)
|
|
|
|
this.originalModel = gltf
|
|
|
|
model = gltf.scene
|
|
gltf.scene.traverse((child) => {
|
|
if (child instanceof THREE.Mesh) {
|
|
child.geometry.computeVertexNormals()
|
|
this.originalMaterials.set(child, child.material)
|
|
}
|
|
})
|
|
break
|
|
}
|
|
|
|
return model
|
|
}
|
|
|
|
async loadModel(url: string, originalFileName?: string) {
|
|
try {
|
|
this.clearModel()
|
|
|
|
let fileExtension: string | undefined
|
|
if (originalFileName) {
|
|
fileExtension = originalFileName.split('.').pop()?.toLowerCase()
|
|
} else {
|
|
const filename = new URLSearchParams(url.split('?')[1]).get('filename')
|
|
fileExtension = filename?.split('.').pop()?.toLowerCase()
|
|
}
|
|
|
|
if (!fileExtension) {
|
|
useToastStore().addAlert('Could not determine file type')
|
|
return
|
|
}
|
|
|
|
let model = await this.loadModelInternal(url, fileExtension)
|
|
|
|
if (model) {
|
|
this.currentModel = model
|
|
await this.setupModel(model)
|
|
}
|
|
} catch (error) {
|
|
console.error('Error loading model:', error)
|
|
}
|
|
}
|
|
|
|
protected async setupModel(model: THREE.Object3D) {
|
|
const box = new THREE.Box3().setFromObject(model)
|
|
const size = box.getSize(new THREE.Vector3())
|
|
const center = box.getCenter(new THREE.Vector3())
|
|
|
|
const maxDim = Math.max(size.x, size.y, size.z)
|
|
const targetSize = 5
|
|
const scale = targetSize / maxDim
|
|
model.scale.multiplyScalar(scale)
|
|
|
|
box.setFromObject(model)
|
|
box.getCenter(center)
|
|
box.getSize(size)
|
|
|
|
model.position.set(-center.x, -box.min.y, -center.z)
|
|
|
|
this.scene.add(model)
|
|
|
|
if (this.materialMode !== 'original') {
|
|
this.setMaterialMode(this.materialMode)
|
|
}
|
|
|
|
if (this.currentUpDirection !== 'original') {
|
|
this.setUpDirection(this.currentUpDirection)
|
|
}
|
|
|
|
await this.setupCamera(size)
|
|
}
|
|
|
|
protected async setupCamera(size: THREE.Vector3) {
|
|
const distance = Math.max(size.x, size.z) * 2
|
|
const height = size.y * 2
|
|
|
|
this.perspectiveCamera.position.set(distance, height, distance)
|
|
this.orthographicCamera.position.set(distance, height, distance)
|
|
|
|
if (this.activeCamera === this.perspectiveCamera) {
|
|
this.perspectiveCamera.lookAt(0, size.y / 2, 0)
|
|
this.perspectiveCamera.updateProjectionMatrix()
|
|
} else {
|
|
const frustumSize = Math.max(size.x, size.y, size.z) * 2
|
|
const aspect =
|
|
this.renderer.domElement.width / this.renderer.domElement.height
|
|
this.orthographicCamera.left = (-frustumSize * aspect) / 2
|
|
this.orthographicCamera.right = (frustumSize * aspect) / 2
|
|
this.orthographicCamera.top = frustumSize / 2
|
|
this.orthographicCamera.bottom = -frustumSize / 2
|
|
this.orthographicCamera.lookAt(0, size.y / 2, 0)
|
|
this.orthographicCamera.updateProjectionMatrix()
|
|
}
|
|
|
|
this.controls.target.set(0, size.y / 2, 0)
|
|
this.controls.update()
|
|
|
|
this.renderer.outputColorSpace = THREE.SRGBColorSpace
|
|
this.renderer.toneMapping = THREE.ACESFilmicToneMapping
|
|
this.renderer.toneMappingExposure = 1
|
|
|
|
this.handleResize()
|
|
}
|
|
|
|
refreshViewport() {
|
|
this.handleResize()
|
|
}
|
|
|
|
handleResize() {
|
|
const parentElement = this.renderer?.domElement?.parentElement
|
|
|
|
if (!parentElement) {
|
|
console.warn('Parent element not found')
|
|
return
|
|
}
|
|
|
|
const width = parentElement?.clientWidth
|
|
const height = parentElement?.clientHeight
|
|
|
|
if (this.activeCamera === this.perspectiveCamera) {
|
|
this.perspectiveCamera.aspect = width / height
|
|
this.perspectiveCamera.updateProjectionMatrix()
|
|
} else {
|
|
const frustumSize = 10
|
|
const aspect = width / height
|
|
this.orthographicCamera.left = (-frustumSize * aspect) / 2
|
|
this.orthographicCamera.right = (frustumSize * aspect) / 2
|
|
this.orthographicCamera.top = frustumSize / 2
|
|
this.orthographicCamera.bottom = -frustumSize / 2
|
|
this.orthographicCamera.updateProjectionMatrix()
|
|
}
|
|
|
|
this.renderer.setSize(width, height)
|
|
}
|
|
|
|
animate = () => {
|
|
requestAnimationFrame(this.animate)
|
|
|
|
this.controls.update()
|
|
this.renderer.render(this.scene, this.activeCamera)
|
|
}
|
|
|
|
captureScene(
|
|
width: number,
|
|
height: number
|
|
): Promise<{ scene: string; mask: string }> {
|
|
return new Promise(async (resolve, reject) => {
|
|
try {
|
|
const originalWidth = this.renderer.domElement.width
|
|
const originalHeight = this.renderer.domElement.height
|
|
const originalClearColor = this.renderer.getClearColor(
|
|
new THREE.Color()
|
|
)
|
|
const originalClearAlpha = this.renderer.getClearAlpha()
|
|
|
|
this.renderer.setSize(width, height)
|
|
|
|
if (this.activeCamera === this.perspectiveCamera) {
|
|
this.perspectiveCamera.aspect = width / height
|
|
this.perspectiveCamera.updateProjectionMatrix()
|
|
} else {
|
|
const frustumSize = 10
|
|
const aspect = width / height
|
|
this.orthographicCamera.left = (-frustumSize * aspect) / 2
|
|
this.orthographicCamera.right = (frustumSize * aspect) / 2
|
|
this.orthographicCamera.top = frustumSize / 2
|
|
this.orthographicCamera.bottom = -frustumSize / 2
|
|
this.orthographicCamera.updateProjectionMatrix()
|
|
}
|
|
|
|
this.renderer.clear()
|
|
this.renderer.render(this.scene, this.activeCamera)
|
|
const sceneData = this.renderer.domElement.toDataURL('image/png')
|
|
|
|
this.renderer.setClearColor(0x000000, 0)
|
|
this.renderer.clear()
|
|
this.renderer.render(this.scene, this.activeCamera)
|
|
const maskData = this.renderer.domElement.toDataURL('image/png')
|
|
|
|
this.renderer.setClearColor(originalClearColor, originalClearAlpha)
|
|
this.renderer.setSize(originalWidth, originalHeight)
|
|
this.handleResize()
|
|
|
|
resolve({ scene: sceneData, mask: maskData })
|
|
} catch (error) {
|
|
reject(error)
|
|
}
|
|
})
|
|
}
|
|
|
|
createSTLMaterial() {
|
|
return new THREE.MeshStandardMaterial({
|
|
color: 0x808080,
|
|
metalness: 0.1,
|
|
roughness: 0.8,
|
|
flatShading: false,
|
|
side: THREE.DoubleSide
|
|
})
|
|
}
|
|
|
|
setBackgroundColor(color: string) {
|
|
this.renderer.setClearColor(new THREE.Color(color))
|
|
this.renderer.render(this.scene, this.activeCamera)
|
|
|
|
if (this.bgColorInput) {
|
|
this.bgColorInput.value = color
|
|
}
|
|
}
|
|
}
|
|
|
|
export default Load3d
|