| "js_on_load": "\n(async () => {\n try {\n // Dynamic ESM Imports\n const THREE = await import('https://esm.sh/three@0.160.0');\n const { OrbitControls } = await import('https://esm.sh/three@0.160.0/examples/jsm/controls/OrbitControls.js');\n const { TransformControls } = await import('https://esm.sh/three@0.160.0/examples/jsm/controls/TransformControls.js');\n const { FBXLoader } = await import('https://esm.sh/three@0.160.0/examples/jsm/loaders/FBXLoader.js');\n\n const root = element.querySelector('#op3d-mount');\n if (!root) return;\n\n const fbxUrl = props.fbx_url || './base.fbx';\n\n // ==================== SCENE ====================\n const scene = new THREE.Scene();\n scene.background = new THREE.Color(0xe8e8e8); \n\n const W = () => root.clientWidth;\n const H = () => root.clientHeight;\n\n // ==================== CAMERA ====================\n const camera = new THREE.PerspectiveCamera(70, W() / H(), 0.1, 1000);\n camera.position.set(80, 60, 70);\n camera.lookAt(0, 30, 0);\n\n // ==================== RENDERER ====================\n const renderer = new THREE.WebGLRenderer({ antialias: true, preserveDrawingBuffer: true });\n renderer.setSize(W(), H());\n renderer.setPixelRatio(Math.min(window.devicePixelRatio, 2));\n renderer.shadowMap.enabled = true;\n renderer.outputColorSpace = THREE.SRGBColorSpace; \n renderer.domElement.style.cssText = 'position:absolute;top:0;left:0;width:100%;height:100%;';\n root.appendChild(renderer.domElement);\n\n // ==================== ORBIT CONTROLS ====================\n const orbit = new OrbitControls(camera, renderer.domElement);\n orbit.target.set(0, 30, 0);\n orbit.minDistance = 20; \n orbit.maxDistance = 500;\n orbit.minPolarAngle = Math.PI / 6; \n orbit.maxPolarAngle = 0.7 * Math.PI;\n orbit.enableDamping = true; \n orbit.dampingFactor = 0.05;\n orbit.update();\n\n // ==================== LIGHTS ====================\n const hemiLight = new THREE.HemisphereLight(0xffffff, 0x447392, 3);\n scene.add(hemiLight);\n\n const dirLight = new THREE.DirectionalLight(0xffffff, 3); \n dirLight.position.set(0, 200, 0); \n dirLight.castShadow = true; \n scene.add(dirLight);\n\n const dirLight2 = new THREE.DirectionalLight(0xffffff, 3); \n dirLight2.position.set(0, 200, 100); \n scene.add(dirLight2);\n\n // ==================== GRID & FLOOR ====================\n const gridHelper = new THREE.GridHelper(2000, 20, 0x000000, 0x000000);\n gridHelper.material.opacity = 0.2; \n gridHelper.material.transparent = true;\n scene.add(gridHelper);\n\n const floorGeo = new THREE.PlaneGeometry(2000, 2000);\n const floorMat = new THREE.MeshStandardMaterial({ color: 0x787878, roughness: 0.2, metalness: 0 });\n const floor = new THREE.Mesh(floorGeo, floorMat);\n floor.rotation.x = -Math.PI / 2; \n floor.receiveShadow = true;\n scene.add(floor);\n\n // ==================== TRANSFORM CONTROLS ====================\n const transformControl = new TransformControls(camera, renderer.domElement);\n transformControl.setMode('rotate'); \n transformControl.setSpace('local');\n scene.add(transformControl);\n \n transformControl.addEventListener('dragging-changed', event => { \n orbit.enabled = !event.value; \n });\n\n // ==================== STATE VARIABLES ====================\n let characterMesh = null, currentMode = 'rotate';\n const proxyMeshes = [], boneMap = new Map();\n let initialPoseSnapshot = null;\n const history = [], redoStack = [], MAX_HISTORY = 50;\n\n // ==================== COLORS ====================\n function getBoneColor(boneName) {\n const name = boneName.toLowerCase();\n if (name.includes('head') || name.includes('neck')) return 0x0000ff;\n if (name.includes('spine')) return 0x004080;\n if (name.includes('hips')) return 0x8000ff;\n if (name.includes('shoulder')) return 0x8A0000;\n if (name.includes('rightarm') || name.includes('leftarm')) return 0xF99D36;\n if (name.includes('rightforearm') || name.includes('leftforearm')) return 0xFFFF00;\n if (name.includes('hand')) return 0x00aaff;\n if (name.includes('upleg') || name.includes('leg') || name.includes('knee')) {\n return name.includes('left') ? 0x00ff88 : 0xff0088;\n }\n if (name.includes('rightfoot')) return 0xff0088;\n if (name.includes('leftfoot')) return 0x00ff88;\n return 0x44ffaa;\n }\n\n function makeCircleTexture(color, selected = false) {\n const size = 128;\n const canvas = document.createElement('canvas');\n canvas.width = size;\n canvas.height = size;\n const ctx = canvas.getContext('2d');\n \n const hex = '#' + color.toString(16).padStart(6, '0');\n \n ctx.beginPath(); \n ctx.arc(size / 2, size / 2, size / 2 - 3, 0, Math.PI * 2);\n ctx.fillStyle = hex; \n ctx.fill();\n \n ctx.strokeStyle = selected ? 'rgba(255,255,255,1)' : 'rgba(255,255,255,0.5)';\n ctx.lineWidth = selected ? 10 : 4; \n ctx.stroke();\n \n return new THREE.CanvasTexture(canvas);\n }\n\n // ==================== POSE SNAPSHOTS ====================\n function capturePose() {\n const snapshot = {};\n boneMap.forEach((_, bone) => { \n snapshot[bone.uuid] = {\n quaternion: bone.quaternion.clone(),\n position: bone.position.clone()\n }; \n });\n return snapshot;\n }\n\n function applySnapshot(snapshot) {\n boneMap.forEach((_, bone) => { \n if(snapshot[bone.uuid]){\n bone.quaternion.copy(snapshot[bone.uuid].quaternion);\n bone.position.copy(snapshot[bone.uuid].position);\n } \n });\n }\n \n function captureInitialPose() { \n initialPoseSnapshot = capturePose(); \n }\n\n function pushHistory() {\n history.push(capturePose());\n if(history.length > MAX_HISTORY) history.shift();\n redoStack.length = 0; \n updateUndoRedoBtns();\n }\n \n function undo() { \n if(history.length === 0) return; \n redoStack.push(capturePose()); \n applySnapshot(history.pop()); \n updateUndoRedoBtns(); \n }\n \n function redo() { \n if(redoStack.length === 0) return; \n history.push(capturePose()); \n applySnapshot(redoStack.pop()); \n updateUndoRedoBtns(); \n }\n\n function updateUndoRedoBtns() {\n element.querySelector('#op3d-btn-undo').disabled = history.length === 0;\n element.querySelector('#op3d-btn-redo').disabled = redoStack.length === 0;\n }\n\n transformControl.addEventListener('mouseDown', () => pushHistory());\n\n // ==================== FBX LOADING ====================\n function findMainBones(model) {\n const ignored = ['finger', 'thumb', 'index', 'middle', 'ring', 'pinky', 'toe', '_end', 'rigneck'];\n const wanted = ['hips', 'spine', 'head', 'shoulder', 'arm', 'forearm', 'hand', 'upleg', 'leg', 'foot'];\n const result = [];\n model.traverse(child => {\n if(!child.isBone) return;\n const n = child.name.toLowerCase();\n if(ignored.some(k => n.includes(k))) return;\n if(wanted.some(k => n.includes(k))) result.push(child);\n });\n return result;\n }\n\n function createControlPoints(bones) {\n bones.forEach(bone => {\n const color = getBoneColor(bone.name);\n const texture = makeCircleTexture(color);\n const mat = new THREE.SpriteMaterial({ map: texture, depthTest: false, transparent: true, opacity: 0.95 });\n \n const sprite = new THREE.Sprite(mat);\n sprite.scale.set(10, 10, 1);\n sprite.userData = { bone, type: 'controlPoint', region: bone.name, baseColor: color };\n \n scene.add(sprite); \n proxyMeshes.push(sprite); \n boneMap.set(bone, sprite);\n });\n }\n\n function fitCameraToModel() {\n if(!characterMesh) return;\n const box = new THREE.Box3().setFromObject(characterMesh);\n const center = box.getCenter(new THREE.Vector3());\n const size = box.getSize(new THREE.Vector3());\n const maxDim = Math.max(size.x, size.y, size.z);\n \n const distance = maxDim * 1.8;\n camera.position.set(\n center.x + distance * 0,\n center.y + distance * 0.5,\n center.z + distance * 1.0\n );\n camera.lookAt(center); \n orbit.target.copy(center); \n orbit.update();\n }\n\n function selectProxy(proxy) {\n const bone = proxy.userData.bone;\n transformControl.detach(); \n transformControl.attach(bone); \n transformControl.setMode(currentMode);\n \n proxyMeshes.forEach(p => { \n p.material.opacity = 0.95;\n p.material.map = makeCircleTexture(p.userData.baseColor); \n p.material.needsUpdate = true; \n });\n proxy.material.map = makeCircleTexture(proxy.userData.baseColor, true); \n proxy.material.needsUpdate = true;\n }\n\n function selectRootBone() {\n if(proxyMeshes.length === 0) return;\n const hip = proxyMeshes.find(p => p.userData.region.toLowerCase().includes('hips'));\n selectProxy(hip || proxyMeshes[0]);\n }\n\n const loader = new FBXLoader();\n loader.load(fbxUrl, obj => {\n characterMesh = obj;\n const box = new THREE.Box3().setFromObject(characterMesh);\n const size = box.getSize(new THREE.Vector3());\n const center = box.getCenter(new THREE.Vector3());\n \n characterMesh.position.set(-center.x, -box.min.y, -center.z);\n \n const targetHeight = 100;\n const scale = targetHeight / size.y;\n characterMesh.scale.setScalar(scale);\n\n const mainBones = findMainBones(characterMesh);\n createControlPoints(mainBones);\n\n characterMesh.traverse(child => {\n if(child.isMesh){\n child.castShadow = true; \n child.receiveShadow = true;\n }\n });\n \n scene.add(characterMesh);\n characterMesh.updateMatrixWorld(true);\n captureInitialPose();\n \n fitCameraToModel(); \n selectRootBone();\n }, undefined, err => console.error('FBX load error:', err));\n\n // ==================== RAYCASTER ====================\n const raycaster = new THREE.Raycaster();\n const mouse = new THREE.Vector2();\n \n renderer.domElement.addEventListener('pointerdown', event => {\n const rect = renderer.domElement.getBoundingClientRect();\n mouse.x = ((event.clientX - rect.left) / rect.width) * 2 - 1;\n mouse.y = -((event.clientY - rect.top) / rect.height) * 2 + 1;\n \n raycaster.setFromCamera(mouse, camera);\n const visible = proxyMeshes.filter(p => p.visible);\n const hits = raycaster.intersectObjects(visible, false);\n \n if(hits.length > 0) {\n selectProxy(hits[0].object);\n } else if(!transformControl.dragging) {\n transformControl.detach();\n proxyMeshes.forEach(p => { \n p.material.map = makeCircleTexture(p.userData.baseColor); \n p.material.needsUpdate = true; \n });\n }\n });\n\n // ==================== CROP BOX ====================\n const cropBox = element.querySelector('#op3d-crop-box');\n \n function updateCropBox(ratioString) {\n const [w, h] = ratioString.split(':').map(Number);\n \n // Calculate taking into account the UI space\n const maxH = root.clientHeight * 0.85; \n const maxW = root.clientWidth * 0.85;\n \n let boxH = Math.min(maxH, 520);\n let boxW = (boxH * w) / h;\n \n if(boxW > maxW){\n boxW = maxW; \n boxH = (boxW * h) / w;\n }\n \n cropBox.style.width = `${boxW}px`; \n cropBox.style.height = `${boxH}px`;\n }\n \n const aspectSel = element.querySelector('#op3d-aspect');\n aspectSel.addEventListener('change', e => updateCropBox(e.target.value));\n updateCropBox('1:1');\n\n // ==================== UI EVENTS ====================\n element.querySelector('#op3d-btn-rotate').addEventListener('click', () => {\n currentMode = 'rotate'; \n transformControl.setMode('rotate'); \n transformControl.setSpace('local');\n proxyMeshes.forEach(p => { p.visible = true; });\n \n element.querySelector('#op3d-btn-rotate').classList.add('active');\n element.querySelector('#op3d-btn-translate').classList.remove('active');\n });\n\n element.querySelector('#op3d-btn-translate').addEventListener('click', () => {\n currentMode = 'translate'; \n transformControl.setMode('translate'); \n transformControl.setSpace('world');\n proxyMeshes.forEach(p => { p.visible = p.userData.region.toLowerCase().includes('hips'); });\n selectRootBone();\n \n element.querySelector('#op3d-btn-translate').classList.add('active');\n element.querySelector('#op3d-btn-rotate').classList.remove('active');\n });\n\n element.querySelector('#op3d-btn-undo').addEventListener('click', undo);\n element.querySelector('#op3d-btn-redo').addEventListener('click', redo);\n\n element.querySelector('#op3d-btn-reset').addEventListener('click', () => {\n if(!characterMesh || !initialPoseSnapshot) return;\n pushHistory(); \n applySnapshot(initialPoseSnapshot);\n });\n\n // ==================== EXPORT TO PYTHON ====================\n element.querySelector('#op3d-btn-export').addEventListener('click', async () => {\n if(!characterMesh) return;\n \n proxyMeshes.forEach(p => { p.visible = false; });\n transformControl.visible = false; \n floor.visible = false; \n gridHelper.visible = false;\n \n renderer.render(scene, camera);\n\n const rect = cropBox.getBoundingClientRect();\n const canvasRect = renderer.domElement.getBoundingClientRect();\n const dpr = window.devicePixelRatio || 1;\n \n const srcX = Math.round((rect.left - canvasRect.left) * dpr);\n const srcY = Math.round((rect.top - canvasRect.top) * dpr);\n const srcW = Math.round(rect.width * dpr);\n const srcH = Math.round(rect.height * dpr);\n\n const cv = document.createElement('canvas'); \n cv.width = srcW; \n cv.height = srcH;\n \n const ctx = cv.getContext('2d');\n ctx.drawImage(\n renderer.domElement,\n srcX, srcY, srcW, srcH,\n 0, 0, srcW, srcH\n );\n\n proxyMeshes.forEach(p => { p.visible = true; });\n transformControl.visible = true; \n floor.visible = true; \n gridHelper.visible = true;\n\n const blob = await new Promise(res => cv.toBlob(res, 'image/png'));\n const file = new File([blob], 'openpose.png', { type: 'image/png' });\n try {\n const { path } = await upload(file);\n props.value = path; \n trigger('export'); \n } catch(e) {\n console.error('Upload error:', e);\n }\n });\n\n // Keyboard Shortcuts\n window.addEventListener('keydown', e => {\n if(e.ctrlKey || e.metaKey){\n if(e.key === 'z' && !e.shiftKey) { e.preventDefault(); undo(); }\n if(e.key === 'z' && e.shiftKey) { e.preventDefault(); redo(); }\n if(e.key === 'y') { e.preventDefault(); redo(); }\n if(e.key === 'r') { e.preventDefault(); element.querySelector('#op3d-btn-reset').click(); }\n }\n });\n\n // ==================== ANIMATION LOOP ====================\n function animate() {\n requestAnimationFrame(animate);\n if(characterMesh) {\n characterMesh.updateMatrixWorld(true);\n for(const [bone, sprite] of boneMap.entries()){\n const wp = new THREE.Vector3(); \n bone.getWorldPosition(wp); \n sprite.position.copy(wp);\n const d = camera.position.distanceTo(wp); \n sprite.scale.set(d * 0.012, d * 0.012, 1);\n }\n }\n orbit.update(); \n renderer.render(scene, camera);\n }\n animate();\n\n // ==================== RESIZE OBSERVER ====================\n const ro = new ResizeObserver(() => {\n camera.aspect = W() / H(); \n camera.updateProjectionMatrix();\n renderer.setSize(W(), H());\n updateCropBox(aspectSel.value);\n });\n ro.observe(root);\n\n } catch (error) {\n console.error(\"Failed to initialize 3D editor:\", error);\n }\n})();\n", |
