From afe4787fe4beb0105100a02b1d0e7a3ff2bbc28f Mon Sep 17 00:00:00 2001 From: flash555588 Date: Sat, 27 Jun 2026 06:28:25 +0800 Subject: [PATCH] Skip repeated Three texture disposal scans --- CHANGELOG.md | 1 + main.js | 2 +- src/render/three/scene.ts | 9 +++++---- 3 files changed, 7 insertions(+), 5 deletions(-) diff --git a/CHANGELOG.md b/CHANGELOG.md index 0817b84..c7d2d90 100644 --- a/CHANGELOG.md +++ b/CHANGELOG.md @@ -32,6 +32,7 @@ - Performance: capture disassembly original transforms only for dragged parts and cache repeated Live Preview embed path resolution, reducing large-assembly interaction and workspace editor setup work. - Performance: update Three.js focus selection incrementally so switching selected parts in large assemblies no longer restores and re-dims every mesh. - Performance: prepare each unique Three.js material once during model load, avoiding repeated texture audit and anisotropy updates on shared-material large models. +- Performance: skip repeated Three.js texture scans when disposing shared materials during model switches, reducing large-model close/reload stalls. - Performance: avoid forcing an unchanged plugin `data.json` rewrite during unload; only pending dirty state is flushed. - Performance: load inline preview modules in parallel and defer heading-pin DOM observers until the workspace layout is ready, reducing plugin startup work. - Performance: read absolute-path model files without an extra full-buffer copy when Node returns a whole file buffer, reducing memory spikes for large converted GLB assets. diff --git a/main.js b/main.js index 355a203..d5530e1 100644 --- a/main.js +++ b/main.js @@ -4114,7 +4114,7 @@ void main() { `),f?`${f}/`:"");x.preload(),s=x}catch(h){r.push(`OBJ material library not found: ${d}`)}}else a&&(!e||!t)&&r.push("OBJ material library could not be resolved without a model path.");let o=new TT;s&&o.setMaterials(s);let l=o.parse(i);return dae(l),{object:l,warnings:r}}var sae,Y2,aae,J2=I(()=>{"use strict";y2();O2();N2();w2();X2();es();gs();IT();_y();sae={jpg:"image/jpeg",jpeg:"image/jpeg",png:"image/png",bmp:"image/bmp",tga:"image/x-tga",webp:"image/webp",tif:"image/tiff",tiff:"image/tiff"},Y2=["jpg","jpeg","png","bmp","tga","webp","tif","tiff"],aae=/^\s*(map_Kd|map_Ka|map_Ks|map_Ns|map_d|map_bump|bump|disp|decal)\s+(.+)/i});function vr(){return eB.Platform.isMobile}var eB,ia=I(()=>{"use strict";eB=require("obsidian")});function Xu(n,e){return{min:$r(n),max:$r(e)}}function CT(n,e){return n?{min:{x:Math.min(n.min.x,e.min.x),y:Math.min(n.min.y,e.min.y),z:Math.min(n.min.z,e.min.z)},max:{x:Math.max(n.max.x,e.max.x),y:Math.max(n.max.y,e.max.y),z:Math.max(n.max.z,e.max.z)}}:Xu(e.min,e.max)}function ji(n){return Kh(n.max,n.min)}function Er(n){return _d(n.min,Jp(ji(n),.5))}function tB(n){return l1(n.min,n.max)}function $_(n){return tB(n)/2}function iB(n){let e=ji(n);return Math.max(e.x,e.y,e.z)}function gy(n){let e=ji(n),t=tB(n);return{center:_d(n.min,Jp(e,.5)),size:e,diagonalLength:t,radius:t/2,maxSpan:Math.max(e.x,e.y,e.z)}}var il=I(()=>{"use strict";vs()});function vy(n,e,t={}){var s,a,o,l,c;let i=Math.max(e,Number.EPSILON),r=(s=t.radiusMultiplier)!=null?s:2.5;return{target:$r(n),radius:i*r,lowerRadiusLimit:i*((a=t.lowerRadiusFactor)!=null?a:.05),upperRadiusLimit:i*((o=t.upperRadiusFactor)!=null?o:10),near:i*((l=t.nearFactor)!=null?l:.001),far:i*((c=t.farFactor)!=null?c:20)}}function PT(n,e={}){let t=gy(n);return vy(t.center,t.radius,e)}function rB(n,e={}){var o,l,c,f,d,h;let t=gy(n),i=Math.max(t.maxSpan,t.radius,Number.EPSILON),r=i*((o=e.distanceMultiplier)!=null?o:1.8),s=Math.max((l=e.minNear)!=null?l:Math.max(i/1e4,1e-5),i/((c=e.nearDivisor)!=null?c:1e3)),a=Math.max((d=e.minFar)!=null?d:Math.max(i*((f=e.farMultiplier)!=null?f:20),1),r+t.radius*4);return{target:$r(t.center),position:_d(t.center,{x:r,y:r*((h=e.elevationFactor)!=null?h:.65),z:r}),near:s,far:a}}var DT=I(()=>{"use strict";il();vs()});function Li(n){return n.replace(/&/g,"&").replace(//g,">").replace(/"/g,""").replace(/'/g,"'")}var LT=I(()=>{"use strict"});function OT(n){var s;let e=new Set,t=0,i=0;for(let a of n.meshes){t+=a.triangleCount,i+=a.vertexCount;for(let o of(s=a.materialKeys)!=null?s:[])o!=null&&e.add(o)}let r=hae({triangleCount:t,splatCount:n.splatCount,meshCount:n.meshes.length,materialCount:e.size});return{meshCount:n.meshes.length,triangleCount:t,splatCount:n.splatCount,vertexCount:i,materialCount:e.size,performanceTier:r,performanceHint:uae(r,{triangleCount:t,splatCount:n.splatCount,materialCount:e.size}),resourceWarnings:n.resourceWarnings?[...n.resourceWarnings]:void 0,boundingSize:$r(n.boundingSize),rootName:n.rootName}}function hae(n){var e,t,i;return((e=n.splatCount)!=null?e:0)>=15e5||n.triangleCount>=12e5||n.materialCount>=96||n.meshCount>=240?"extreme":((t=n.splatCount)!=null?t:0)>=65e4||n.triangleCount>=45e4||n.materialCount>=48||n.meshCount>=120?"heavy":((i=n.splatCount)!=null?i:0)>=18e4||n.triangleCount>=12e4||n.materialCount>=18||n.meshCount>=48?"medium":"light"}function uae(n,e){var r;let t=((r=e.splatCount)!=null?r:e.triangleCount).toLocaleString(),i=e.splatCount!==void 0?"splats":"triangles";return n==="extreme"?`${t} ${i}, ${e.materialCount.toLocaleString()} materials. 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ZT;this._lastPickResult={mesh:null,pickedPoint:null,screenX:0,screenY:0};this._onPickCallbacks=[];this.disassembly=null;this.disassemblySetup=!1;this.renderDirty=!0;this.stlMaterial=null;this.cachedMeshes=null;this.cachedMeshRoot=null;this.cachedRenderables=null;this.cachedRenderableRoot=null;this.cachedChildMeshMap=null;this.cachedChildMeshMapRoot=null;this.cachedRootPreviewBounds=null;this.cachedRootPreviewBoundsObject=null;this.cachedGeometryQualityStats=null;this.cameraAnimHandle=0;this.preventCanvasWheelScroll=e=>{this.prepareInteractiveFrameBudget(),e.preventDefault(),e.stopPropagation(),this.markDirty()};this.handleControlsChange=()=>{this.prepareInteractiveFrameBudget(),this.markDirty()};this.handleViewportIntersection=e=>{let t=e[e.length-1];if(!t)return;let i=t.isIntersecting&&t.intersectionRatio>0;i!==this.viewportVisible&&(this.viewportVisible=i,i?(this.clock.last=performance.now(),this.markDirty(),this.markShadowDirty(),this.startRenderLoop()):(cancelAnimationFrame(this.renderHandle),this.renderHandle=0))};this.handlePointerDown=e=>{e.button!==0||e.isPrimary===!1||(this.lastPointerDown={x:e.clientX,y:e.clientY},this.prepareInteractiveFrameBudget())};this.handlePointerUp=e=>{var i;if(e.button!==0||e.isPrimary===!1)return;let t=this.lastPointerDown;this.lastPointerDown=null,t&&(Math.hypot(e.clientX-t.x,e.clientY-t.y)>4||(i=this.disassembly)!=null&&i.isEnabled()||this.dispatchPick(e))};this.handlePointerMove=e=>{if(this.lastPointerClient={x:e.clientX,y:e.clientY},e.buttons&1&&this.prepareInteractiveFrameBudget(),!this.measurementActive||(this.pendingPoint&&this.schedulePreviewLineUpdate(),this.measurementMarkers.length===0))return;let t=this.renderer.domElement.getBoundingClientRect();this.pointer.x=(e.clientX-t.left)/t.width*2-1,this.pointer.y=-((e.clientY-t.top)/t.height)*2+1,this.raycaster.setFromCamera(this.pointer,this.camera);let i=this.raycaster.intersectObjects(this.measurementMarkers,!1),r=i.length>0?this.measurementMarkers.indexOf(i[0].object):-1;if(r!==this.hoveredMarkerIndex){if(this.hoveredMarkerIndex>=0&&this.hoveredMarkerIndex=0&&r{e.preventDefault(),this.contextLost=!0,this.renderHandle&&(cancelAnimationFrame(this.renderHandle),this.renderHandle=0)};this.handleContextRestored=()=>{this.contextLost=!1,this.markDirty(),this.startRenderLoop()};this.renderer=new uT({canvas:e,antialias:!0,alpha:!0,preserveDrawingBuffer:!0,powerPreference:"high-performance"}),this.renderer.outputColorSpace=Mi,this.renderer.toneMapping=Ms,this.renderer.toneMappingExposure=1,this.renderer.shadowMap.enabled=!1,this.renderer.shadowMap.type=ES,this.renderer.shadowMap.autoUpdate=!1,this.renderer.shadowMap.needsUpdate=!1,this.renderer.setClearColor(iA,1),this.scene=new Pd,this.installGlobalEnvironment(),this.camera=new dr(this.initialFov,1,.01,2e3),this.camera.position.copy(this.initialPosition),this.camera.lookAt(this.initialTarget),this.scene.add(this.camera),this.controls=new gT(this.camera,e),this.controls.enableDamping=!0,this.controls.dampingFactor=.08,this.controls.zoomSpeed=.85,this.controls.screenSpacePanning=!0,this.controls.target.copy(this.initialTarget),this.controls.addEventListener("change",this.handleControlsChange),this.installDefaultLighting(),this.resizeObs=new ResizeObserver(()=>this.resizeRenderer()),this.resizeObs.observe(e),typeof IntersectionObserver!="undefined"&&(this.viewportObserver=new IntersectionObserver(this.handleViewportIntersection,{root:null,threshold:[0,.01]}),this.viewportObserver.observe(e)),e.addEventListener("wheel",this.preventCanvasWheelScroll,{passive:!1}),e.addEventListener("pointerdown",this.handlePointerDown),e.addEventListener("pointerup",this.handlePointerUp),e.addEventListener("pointermove",this.handlePointerMove),e.addEventListener("webglcontextlost",this.handleContextLost),e.addEventListener("webglcontextrestored",this.handleContextRestored),this.resizeRenderer(),this.startRenderLoop()}async loadModel(e,t,i,r){var f;this.clearLoadedModel("model-switch"),this.loadedExt=t.toLowerCase(),this.resourceWarnings=[],this.textureAudit=LB();let s,a=[];if(this.loadedExt==="glb"||this.loadedExt==="gltf"){let d=await q2(e,this.loadedExt,i,r);s=d.scene,a=d.animations,this.resourceWarnings=d.warnings}else if(this.loadedExt==="stl")s=await Z2(e),this.stlMaterial=Ra(s)?s.material:null;else if(this.loadedExt==="ply")s=await Q2(e);else if(this.loadedExt==="obj"){let d=await $2(e,i,r);s=d.object,this.resourceWarnings=d.warnings}else throw new Error(`Three preview does not support .${this.loadedExt} format`);this.rootObject=s,this.scene.add(s),this.invalidateMeshCache();let o=this.getRenderableObjects(s);this.prepareModelForQuality(o),this.syncShadowFeatures();let l=this.getRootPreviewBounds(s);if(this.updateShadowFraming(l),this.syncSceneHelpers(),this.markDirty(),a.length>0){this.mixer=new N_(s);for(let d of a)this.mixer.clipAction(d).play();this.animationPlaying=!0}let c=jT(s,o,this.resourceWarnings,l!=null?l:void 0);return this.cachedGeometryQualityStats=null,this.fitCameraToObject(s,l!=null?l:void 0),this.bboxEnabled&&this.ensureBoundingBoxHelper(),this.disassemblySetup=!1,(f=this.disassembly)==null||f.dispose(),this.disassembly=null,c}applyConfig(e){e.camera&&this.applyCameraConfig(e.camera),e.lights&&this.applyLightConfig(e.lights),e.scene&&this.applySceneConfig(e.scene),e.stl&&this.applySTLConfig(e.stl)}applySTLConfig(e){let t=this.stlMaterial;t&&(e.color!==void 0&&t.color.set(e.color),e.wireframe!==void 0&&(t.wireframe=e.wireframe,t.needsUpdate=!0),this.markDirty())}destroy(){var t,i;cancelAnimationFrame(this.renderHandle),cancelAnimationFrame(this.cameraAnimHandle),this._onPickCallbacks=[],this.renderObservers.clear(),(t=this.disassembly)==null||t.dispose(),this.disassembly=null,this.disassemblySetup=!1,this.clearFocusedMesh(),this.clearSelectionHighlight(),this.clearLoadedModel("destroy");for(let r of this.configLights)this.disposeConfiguredLight(r);this.configLights.length=0;for(let r of this.defaultLights)this.disposeConfiguredLight(r);this.defaultLights.length=0,this.disposeGlobalEnvironment(),this.controls.removeEventListener("change",this.handleControlsChange),this.controls.dispose();let e=this.renderer.domElement;e.removeEventListener("wheel",this.preventCanvasWheelScroll),e.removeEventListener("pointerdown",this.handlePointerDown),e.removeEventListener("pointerup",this.handlePointerUp),e.removeEventListener("pointermove",this.handlePointerMove),e.removeEventListener("webglcontextlost",this.handleContextLost),e.removeEventListener("webglcontextrestored",this.handleContextRestored),this.resizeObs.disconnect(),(i=this.viewportObserver)==null||i.disconnect(),this.viewportObserver=null,this.renderer.dispose()}getCanvas(){return this.renderer.domElement}captureSnapshot(){return this.renderNow(0),this.renderer.domElement.toDataURL("image/png")}getAnnotationProvider(){let e=this.renderer.domElement;return UT({canvas:e,observeRender:t=>(this.renderObservers.add(t),this.setRenderObserverSettleFrames(),this.markDirty(),{remove:()=>{this.renderObservers.delete(t),this.renderObservers.size===0&&this.setRenderObserverSettleFrames(0)}}),getCameraStateKey:()=>this.getAnnotationCameraStateKey(),projectWorldPoint:(t,i)=>this.projectAnnotationWorldPoint(t,i),isWorldPointOccluded:t=>this.isAnnotationWorldPointOccluded(t)})}exportModelInfo(e){var s;if(!this.rootObject)return"";let t=this.getRenderableObjects(this.rootObject),i=jT(this.rootObject,t,this.resourceWarnings,(s=this.getRootPreviewBounds())!=null?s:void 0),r=e&&_s(e)||i.rootName;return wT({title:r,format:this.loadedExt.toUpperCase(),summary:i,meshBreakdown:t.map(pB)})}getModelEvidence(){var a;if(!this.rootObject)return null;let e=this.getRenderableObjects(this.rootObject),t=this.getRenderableMeshes(this.rootObject),i=this.getChildRenderableMeshMap(this.rootObject),r=vB(this.rootObject,t,i),s={parts:r.parts,groupedMeshes:new Set(r.groupedMeshes)};return GT({summary:jT(this.rootObject,e,this.resourceWarnings,(a=this.getRootPreviewBounds())!=null?a:void 0),renderableMeshes:e,groupedPartCandidates:s,createMeshPart:o=>Iy(o,this.rootObject),getMeshMaterialNames:mB,resourceWarnings:this.resourceWarnings})}getSelectedPartInfo(){var r;let e=(r=this.focusedObject)!=null?r:this._lastPickResult.mesh instanceof zi?this._lastPickResult.mesh:null;if(!e)return null;let t=this.rootObject?this.getRenderableMeshes(this.rootObject):[],i=this.rootObject?this.getChildRenderableMeshMap(this.rootObject):void 0;return gB(e,this.rootObject,t,i)}exportSelectedPartInfo(){let e=this.getSelectedPartInfo();return e?FT(e):""}getPickWorldPoint(e){return e.pickedPoint&&typeof e.pickedPoint=="object"?Nt(e.pickedPoint):e.mesh instanceof zi?Er(Ps(e.mesh)):null}onPick(e){return this._onPickCallbacks.push(e),()=>{this._onPickCallbacks=this._onPickCallbacks.filter(t=>t!==e)}}resetView(){this.rootObject&&Dy(this.rootObject),this.resetDisassembly(),this.clearFocusedMesh(),this.clearSelectionHighlight(),this.switchCameraMode(this.initialCameraMode),this.camera.position.copy(this.initialPosition),this.controls.target.copy(this.initialTarget),this.camera.lookAt(this.controls.target),this.camera instanceof dr&&(this.camera.fov=this.initialFov),this.camera.zoom=this.initialZoom,this.camera.updateProjectionMatrix(),this.controls.update(),this.markDirty(),this.renderNow(performance.now())}toggleFocusSelection(){var t;let e=!this.focusSelectionEnabled;return e&&((t=this.disassembly)!=null&&t.isEnabled())&&this.disassembly.setEnabled(!1),this.focusSelectionEnabled=e,this.focusSelectionEnabled?(this.clearSelectionHighlight(),this._lastPickResult.mesh instanceof zi&&this.setFocusedObject(this._lastPickResult.mesh)):this.clearFocusedMesh(),this.markDirty(),this.focusSelectionEnabled}isFocusSelectionEnabled(){return this.focusSelectionEnabled}setWireframe(e){e!==this.wireframeEnabled&&(this.wireframeEnabled=e,this.applyWireframe(e),this.markDirty())}toggleWireframe(){return this.setWireframe(!this.wireframeEnabled),this.wireframeEnabled}applyWireframe(e){if(this.rootObject)for(let t of this.getRenderableMeshes(this.rootObject))if(e){this.wireframeOriginalMaterials.set(t.id,t.material);let r=Ds(t.material).map(s=>{if(s instanceof vn){let a=new Jn({color:s.color,transparent:s.transparent,opacity:s.opacity,side:s.side,visible:s.visible});return a.wireframe=!0,a}if("wireframe"in s){let a=s.clone();return a.wireframe=!0,a}return s});t.material=Array.isArray(t.material)?r:r[0]}else{let i=this.wireframeOriginalMaterials.get(t.id);i&&(t.material=i),this.wireframeOriginalMaterials.delete(t.id)}}toggleOrientationGizmo(){if(!this.axesHelper){this.axesHelper=new Lu(1.2),this.axesHelper.visible=!1;let e=this.axesHelper.material;e.depthTest=!1,e.depthWrite=!1,this.axesHelper.renderOrder=999,this.scene.add(this.axesHelper)}return this.axesHelper.visible=!this.axesHelper.visible,this.axesHelper.position.copy(this.controls.target),this.markDirty(),this.axesHelper.visible}isOrientationGizmoEnabled(){var e;return!!((e=this.axesHelper)!=null&&e.visible)}toggleBoundingBox(){var e;return this.bboxEnabled=!this.bboxEnabled,this.bboxEnabled?(this.ensureBoundingBoxHelper(),this.markDirty(),!!this.bboxHelper):((e=this.bboxHelper)==null||e.removeFromParent(),this.bboxHelper=null,this.markDirty(),!1)}hasAnimations(){return this.mixer!==null}toggleAnimation(){return this.mixer?(this.animationPlaying=!this.animationPlaying,this.mixer.timeScale=this.animationPlaying?1:0,this.markDirty(),this.animationPlaying):!1}toggleMeasurement(){return this.measurementActive=!this.measurementActive,this.measurementActive||this.cancelPendingMeasurement(),this.measurementActive}isMeasurementActive(){return this.measurementActive}clearMeasurements(){this.disposeMeasurementOverlays(!1)}disposeMeasurementOverlays(e){var t;e&&(this.measurementActive=!1),this.cancelPendingMeasurement(!1);for(let i of this.measurementSegments){i.line.removeFromParent(),i.line.geometry.dispose(),i.line.material.dispose(),i.label.removeFromParent();let r=i.label.material;(t=r.map)==null||t.dispose(),r.dispose()}this.measurementSegments=[];for(let i of this.measurementMarkers){i.removeFromParent(),i.geometry.dispose();let r=i.material;if(Array.isArray(r))for(let s of r)s.dispose();else r.dispose()}this.measurementMarkers=[],this.markDirty()}setMeasurementScale(e){this.measurementScale=ig(e),this.updateMeasurementLabels()}getMeasurementScale(){return{...this.measurementScale}}setMeasurementUnit(e){this.measurementUnit=kT(e),this.updateMeasurementLabels()}getMeasurementUnit(){return this.measurementUnit}getMeasurementBounds(){if(!this.rootObject)return null;let e=Ps(this.rootObject);return ji(e)}getMeasurementRecords(){return this.createMeasurementRecords()}exportMeasurements(){return HT(this.createMeasurementRecords())}updateMeasurementLabels(){var t;if(this.measurementSegments.length===0)return;let e=this.getMeasurementMarkerSize()*4;for(let i of this.measurementSegments){let r=Ku(this.createMeasurementReading(i.start,i.end));i.label.removeFromParent();let s=i.label.material;(t=s.map)==null||t.dispose(),s.dispose();let a=new se().addVectors(i.start,i.end).multiplyScalar(.5);i.label=this.createMeasurementLabelSprite(r,a,e),this.scene.add(i.label)}this.markDirty()}setRenderQuality(e,t=this.renderScale){this.quality=e,this.renderScale=t,this.applyShadowQuality(),this.resizeRenderer()}setRenderScale(e){return this.renderScale=Math.min(2,Math.max(.25,e)),this.resizeRenderer(),Number(this.renderScale.toFixed(2))}getPerformanceSnapshot(){let e=this.smoothness.snapshot(),t=this.getQualitySnapshot();return{backend:"three",renderScale:Number(this.renderScale.toFixed(2)),quality:this.quality,pixelRatio:Number(this.renderer.getPixelRatio().toFixed(2)),interactivePixelRatioActive:this.interactivePixelRatioActive,renderDirty:this.renderDirty,renderObserverCount:this.renderObservers.size,renderObserverSettleFrames:this.renderObserverSettleFrames,frameBudgetPixelRatioScale:Number(this.frameBudgetPixelRatioScale.toFixed(2)),frameBudgetObserverStride:this.frameBudgetObserverStride,frameBudgetShadowDeferred:this.frameBudgetShadowDeferred,lastFrameDurationMs:Number(this.lastFrameDurationMs.toFixed(2)),averageRenderMs:e.averageRenderMs,p95RenderMs:e.p95RenderMs,maxRenderMs:e.maxRenderMs,renderedFrameCount:e.renderedFrameCount,slowFrameCount:e.slowFrameCount,idleFrameSkipCount:e.idleFrameSkipCount,adaptiveScaleChangeCount:e.adaptiveScaleChangeCount,viewportVisible:this.viewportVisible,disposalAudit:{...this.lastDisposalAudit},meshCount:t.geometry.meshCount,qualitySnapshot:t}}getQualitySnapshot(){let e=this.getGeometryQualityStats(),t=this.smoothness.snapshot();return{backend:"three",supportedFormats:["glb","gltf","stl","ply","obj"],colorPipeline:{outputColorSpace:String(this.renderer.outputColorSpace),toneMapping:this.renderer.toneMapping===Ms?"NoToneMapping":String(this.renderer.toneMapping),textureCount:this.textureAudit.textureCount,colorTextureCount:this.textureAudit.colorTextureCount,srgbColorTextureCount:this.textureAudit.srgbColorTextureCount},geometry:e,camera:{near:Number(this.camera.near.toPrecision(6)),far:Number(this.camera.far.toPrecision(6)),nearFarRatio:Number((this.camera.far/Math.max(this.camera.near,Number.EPSILON)).toPrecision(6))},performance:{renderScale:Number(this.renderScale.toFixed(2)),pixelRatio:Number(this.renderer.getPixelRatio().toFixed(2)),frameBudgetPixelRatioScale:Number(this.frameBudgetPixelRatioScale.toFixed(2)),frameBudgetObserverStride:this.frameBudgetObserverStride,viewportVisible:this.viewportVisible,renderedFrameCount:t.renderedFrameCount,idleFrameSkipCount:t.idleFrameSkipCount,slowFrameCount:t.slowFrameCount,averageRenderMs:t.averageRenderMs,p95RenderMs:t.p95RenderMs,maxRenderMs:t.maxRenderMs,adaptiveScaleChangeCount:t.adaptiveScaleChangeCount}}}setExplode(e,t){this.rootObject&&(MB(this.rootObject,e,t),this.invalidateRootBoundsCache(),this.markShadowDirty(),this.markDirty())}resetExplode(){this.rootObject&&(Dy(this.rootObject),this.invalidateRootBoundsCache(),this.markShadowDirty(),this.markDirty())}focusWorldPoint(e){let t=new se(e.x,e.y,e.z),i=this.camera.position.distanceTo(this.controls.target),r=t.clone().sub(this.camera.position).normalize(),s=t.clone().sub(r.multiplyScalar(i));this.animateCamera(s,t)}toggleDisassembly(){if(this.ensureDisassembly(),!this.disassembly)return!1;let e=!this.disassembly.isEnabled();e&&(this.focusSelectionEnabled=!1,this.clearFocusedMesh(),this.clearSelectionHighlight());let t=this.disassembly.setEnabled(e);return t||this.disassembly.reset(),t}resetDisassembly(){var e;(e=this.disassembly)==null||e.reset(),this.invalidateRootBoundsCache()}isDisassemblyEnabled(){var e,t;return(t=(e=this.disassembly)==null?void 0:e.isEnabled())!=null?t:!1}ensureDisassembly(){if(this.disassemblySetup||(this.disassemblySetup=!0,!this.rootObject))return;let e=this.getRenderableMeshes(this.rootObject);e.length!==0&&(this.disassembly=TB(this.scene,this.camera,this.renderer.domElement,this.rootObject,e,this.controls,()=>{this.invalidateRootBoundsCache(),this.markShadowDirty(),this.markDirty()},this.getChildRenderableMeshMap(this.rootObject)))}animateCamera(e,t){cancelAnimationFrame(this.cameraAnimHandle);let i=this.camera.position.clone(),r=this.controls.target.clone(),s=500,a=performance.now(),o=()=>{let l=performance.now()-a,c=Math.min(1,l/s),f=c<.5?4*c*c*c:1-Math.pow(-2*c+2,3)/2;this.camera.position.lerpVectors(i,e,f),this.controls.target.lerpVectors(r,t,f),this.controls.update(),this.markDirty(),c<1&&(this.cameraAnimHandle=window.requestAnimationFrame(o))};this.cameraAnimHandle=window.requestAnimationFrame(o)}startRenderLoop(){if(this.renderHandle||!this.viewportVisible||this.contextLost)return;let e=()=>{if(!this.viewportVisible||this.contextLost){this.renderHandle=0;return}let t=this.renderNow(performance.now());this.renderHandle=t?window.requestAnimationFrame(e):0};this.renderHandle=window.requestAnimationFrame(e)}renderNow(e){var l,c,f;let t=this.renderer.domElement;if(!this.viewportVisible||!t.isConnected||t.clientWidth<=0||t.clientHeight<=0)return!1;let i=Math.max(0,(e-this.clock.last)/1e3);this.clock.last=e;let r=this.controls.update(),s=!!this.mixer&&this.animationPlaying;if(s&&this.mixer&&(this.mixer.update(i),this.markShadowDirty()),this.restoreInteractivePixelRatioIfIdle(e,r),!r&&!s&&!this.renderDirty)return this.smoothness.recordIdleFrameSkip(),this.renderObserverSettleFrames>0&&(this.renderObserverSettleFrames--,this.notifyRenderObservers()),this.shouldContinueRenderLoop(r,s);this.renderDirty=!1,this.setRenderObserverSettleFrames(),(l=this.bboxHelper)==null||l.update(),(c=this.selectionHelper)==null||c.update(),(f=this.focusHelper)==null||f.update(),this.axesHelper&&this.axesHelper.visible&&this.axesHelper.position.copy(this.controls.target);let a=performance.now();this.renderer.render(this.scene,this.camera);let o=performance.now()-a;return this.smoothness.recordRenderedFrame(o,DB),this.updateFrameBudget(o),this.notifyRenderObservers(),this.shouldContinueRenderLoop(r,s)}shouldContinueRenderLoop(e,t){return yB({cameraMoved:e,animating:t,renderDirty:this.renderDirty,renderObserverCount:this.renderObservers.size,renderObserverSettleFrames:this.renderObserverSettleFrames})}notifyRenderObservers(){if(!(this.frameBudgetObserverStride>1&&(this.frameBudgetObserverCursor=(this.frameBudgetObserverCursor+1)%this.frameBudgetObserverStride,this.frameBudgetObserverCursor!==0)))for(let e of this.renderObservers)e()}markDirty(){this.renderDirty=!0,this.startRenderLoop()}markShadowDirty(){if(!this.renderer.shadowMap.enabled){this.frameBudgetShadowDeferred=!1,this.renderer.shadowMap.needsUpdate=!1;return}if(this.shouldDeferShadowRefresh()){this.frameBudgetShadowDeferred=!0;return}this.frameBudgetShadowDeferred=!1,this.renderer.shadowMap.needsUpdate=!0}prepareInteractiveFrameBudget(){let e=performance.now();this.interactionPixelRatioDeadline=e+ioe,this.activateInteractivePixelRatio()&&this.resizeRenderer()}activateInteractivePixelRatio(){if(this.interactivePixelRatioActive)return!1;let e=this.computePixelRatio(!1);return this.computePixelRatio(!0)>=e?!1:(this.interactivePixelRatioActive=!0,!0)}restoreInteractivePixelRatioIfIdle(e,t){!this.interactivePixelRatioActive||t||e=DB?(this.frameBudgetSlowStreak++,this.frameBudgetFastStreak=0):e<=noe?(this.frameBudgetFastStreak++,this.frameBudgetSlowStreak=0):(this.frameBudgetSlowStreak=0,this.frameBudgetFastStreak=0),this.frameBudgetSlowStreak>=soe){this.frameBudgetSlowStreak=0;let t=Math.max(coe,this.frameBudgetPixelRatioScale*ooe);t=aoe&&this.frameBudgetPixelRatioScale<1&&(this.frameBudgetFastStreak=0,this.frameBudgetPixelRatioScale=Math.min(1,this.frameBudgetPixelRatioScale*loe),this.frameBudgetObserverStride=Math.max(1,this.frameBudgetObserverStride-1),this.setRenderObserverSettleFrames(),this.smoothness.recordAdaptiveScaleChange(),this.resizeRenderer())}}resetFrameBudget(){let e=this.frameBudgetPixelRatioScale!==1||this.frameBudgetObserverStride!==1;this.frameBudgetPixelRatioScale=1,this.frameBudgetSlowStreak=0,this.frameBudgetFastStreak=0,this.frameBudgetObserverStride=1,this.frameBudgetObserverCursor=0,this.setRenderObserverSettleFrames(),e&&this.markDirty()}setRenderObserverSettleFrames(e=PB){this.renderObserverSettleFrames=this.renderObservers.size>0?e:0}shouldDeferShadowRefresh(){return this.interactivePixelRatioActive&&this.frameBudgetPixelRatioScale<=foe}resizeRenderer(){let e=this.renderer.domElement,t=Math.max(1,Math.round(e.clientWidth||e.width||1)),i=Math.max(1,Math.round(e.clientHeight||e.height||1));this.renderer.setPixelRatio(this.computePixelRatio()),this.renderer.setSize(t,i,!1),this.camera instanceof bs?this.updateOrthographicFrustum(t/i):this.camera.aspect=t/i,this.camera.updateProjectionMatrix(),this.markDirty()}computeOrthographicViewSpan(){var i;if(!this.rootObject)return 2;let e=(i=this.getRootPreviewBounds())!=null?i:Ps(this.rootObject),t=ji(e);return Math.max(Math.max(t.x,t.y,t.z,Number.EPSILON)*1.2,.001)}updateOrthographicFrustum(e){if(!(this.camera instanceof bs))return;let i=this.computeOrthographicViewSpan()/2,r=i*e;this.camera.left=-r,this.camera.right=r,this.camera.top=i,this.camera.bottom=-i}updateOrthographicFrustumForCamera(e,t){let r=this.computeOrthographicViewSpan()/2,s=r*t;e.left=-s,e.right=s,e.top=r,e.bottom=-r,e.updateProjectionMatrix()}switchCameraMode(e){if(this.cameraMode===e&&(e==="perspective"&&this.camera instanceof dr||e==="orthographic"&&this.camera instanceof bs))return;let t=this.renderer.domElement,i=Math.max(1,Math.round(t.clientWidth||t.width||1)),r=Math.max(1,Math.round(t.clientHeight||t.height||1)),s=i/r,a=this.camera,o=a.position.clone(),l=this.controls.target.clone(),c=a.zoom||1,f=a.near,d=a.far;if(this.scene.remove(a),e==="orthographic"){let h=new bs(-1,1,1,-1,f,d);h.position.copy(o),h.zoom=c,h.lookAt(l),this.updateOrthographicFrustumForCamera(h,s),this.camera=h}else{let h=new dr(this.initialFov,s,f,d);h.position.copy(o),h.zoom=c,h.lookAt(l),this.camera=h}this.scene.add(this.camera),this.controls.object=this.camera,this.controls.target.copy(l),this.controls.update(),this.cameraMode=e}applyCameraConfig(e){var i;let t=(i=e.mode)!=null?i:this.cameraMode;e.mode&&(this.initialCameraMode=e.mode),this.switchCameraMode(t),this.camera instanceof dr&&typeof e.fov=="number"&&Number.isFinite(e.fov)&&(this.camera.fov=e.fov,this.initialFov=e.fov),e.position&&(this.camera.position.set(...e.position),this.initialPosition.set(...e.position)),e.lookAt&&(this.controls.target.set(...e.lookAt),this.camera.lookAt(this.controls.target),this.initialTarget.set(...e.lookAt)),typeof e.near=="number"&&Number.isFinite(e.near)&&(this.camera.near=e.near),typeof e.far=="number"&&Number.isFinite(e.far)&&(this.camera.far=e.far),typeof e.zoom=="number"&&Number.isFinite(e.zoom)&&(this.camera.zoom=e.zoom,this.initialZoom=e.zoom),this.camera.updateProjectionMatrix(),this.controls.update(),this.markDirty()}applyLightConfig(e){for(let i of this.configLights)this.disposeConfiguredLight(i);this.configLights.length=0;let t=e.length>0;for(let i of this.defaultLights)i.visible=!t;for(let i of e){let r=this.createConfiguredLight(i);r&&(this.configLights.push(r),r.parent!==this.camera&&this.scene.add(r))}this.syncShadowFeatures(),this.updateShadowFraming(),this.markShadowDirty(),this.markDirty()}applySceneConfig(e){if(this.sceneConfig={...this.sceneConfig,...e},e.transparent!==void 0||e.background!==void 0)if(this.sceneConfig.transparent)this.scene.background=null,this.renderer.setClearColor(iA,0);else if(this.sceneConfig.background){let t=new ft(this.sceneConfig.background);this.scene.background=t,this.renderer.setClearColor(t,1)}else this.scene.background=iA,this.renderer.setClearColor(iA,1);typeof e.autoRotate=="boolean"&&(this.controls.autoRotate=e.autoRotate),typeof e.autoRotateSpeed=="number"&&(this.controls.autoRotateSpeed=e.autoRotateSpeed),typeof e.axis=="boolean"&&this.syncAxisHelper(e.axis),this.syncSceneHelpers(),this.syncShadowFeatures(),this.markDirty()}installDefaultLighting(){let e=new Pu(16777215,.96);e.name="default-global-ambient";let t=new Cu(16777215,7172736,.34);t.name="default-hemi",this.defaultLights.push(e,t);for(let i of this.defaultLights)this.scene.add(i)}installGlobalEnvironment(){this.disposeGlobalEnvironment();let e=new ku(this.renderer),t=new vT;this.environmentTarget=e.fromScene(t,.04),this.scene.environment=this.environmentTarget.texture,this.scene.environmentIntensity=.48,t.dispose(),e.dispose()}disposeGlobalEnvironment(){var e;this.scene.environment=null,(e=this.environmentTarget)==null||e.dispose(),this.environmentTarget=null}createConfiguredLight(e){var r,s,a,o,l,c,f;let t=e.color?new ft(e.color):new ft(16777215),i=(r=e.intensity)!=null?r:1;switch(e.type){case"ambient":return new Pu(t,i);case"hemisphere":{let d=e.groundColor?new ft(e.groundColor):new ft(4473924);return new Cu(t,d,i)}case"directional":{let d=new Zo(t,i),h=(s=e.position)!=null?s:[-1,2,1],u=(a=e.target)!=null?a:[0,0,0];return d.position.set(...h),d.target.position.set(...u),this.scene.add(d.target),d.castShadow=!!e.castShadow,d}case"point":{let d=new so(t,i),h=(o=e.position)!=null?o:[0,5,0];return d.position.set(...h),d.castShadow=!!e.castShadow,typeof e.decay=="number"&&(d.decay=e.decay),d}case"spot":{let d=new kl(t,i),h=(l=e.position)!=null?l:[0,5,0],u=(c=e.target)!=null?c:[0,0,0];return d.position.set(...h),d.target.position.set(...u),this.scene.add(d.target),d.angle=e.angle?e.angle*Math.PI/180:Math.PI/4,d.penumbra=(f=e.penumbra)!=null?f:.5,typeof e.decay=="number"&&(d.decay=e.decay),d.castShadow=!!e.castShadow,d}case"attachToCam":{let d=new so(t,i);return this.camera.add(d),d}default:return null}}disposeConfiguredLight(e){(e instanceof Zo||e instanceof kl)&&e.target.removeFromParent(),e.removeFromParent(),e.dispose()}prepareModelForQuality(e){let t=this.renderer.capabilities.getMaxAnisotropy(),i=new Set;for(let r of e)for(let s of Ds(r.material))i.has(s.uuid)||(i.add(s.uuid),this.prepareMaterialForQuality(s,t))}prepareMaterialForQuality(e,t){hoe(this.textureAudit,yT(e,t))}applyShadowQuality(){let e=this.shadowMapSize(),t=!1;for(let i of this.allLights())!Ly(i)||!i.castShadow||(i.shadow.mapSize.set(e,e),i.shadow.bias=-12e-5,i.shadow.normalBias=.018,i.shadow.needsUpdate=!0,t=!0);t&&(this.syncShadowFeatures(),this.markShadowDirty(),this.markDirty())}updateShadowFraming(e=this.getRootPreviewBounds()){if(!this.rootObject||!e)return;let t=Er(e),i=ji(e),r=Math.max(i.x,i.y,i.z,Number.EPSILON),s=Math.max(r*1.8,.001),a=new se(t.x,t.y,t.z),o=!1;for(let l of this.allLights())if(!(!Ly(l)||!l.castShadow)){if(this.ensureMeshShadowFlags(),l.shadow.mapSize.set(this.shadowMapSize(),this.shadowMapSize()),l.shadow.bias=-12e-5,l.shadow.normalBias=.018,l instanceof Zo){let c=l.position.clone().sub(l.target.position);if(c.lengthSq()<.001&&c.set(4,7,5),l.target.position.copy(a),l.target.parent||this.scene.add(l.target),l.position.copy(a).add(c.normalize().multiplyScalar(s*2.4)),l.shadow.camera instanceof bs){let f=l.shadow.camera;f.left=-s,f.right=s,f.top=s,f.bottom=-s,f.near=.1,f.far=s*5,f.updateProjectionMatrix()}}l.shadow.needsUpdate=!0,o=!0}o&&this.markShadowDirty()}shadowMapSize(){return this.quality==="low"?512:this.quality==="medium"?1024:2048}allLights(){return[...this.defaultLights,...this.configLights]}hasActiveShadowFeatures(){return!!this.sceneConfig.groundShadow||this.allLights().some(e=>Ly(e)&&e.castShadow)}syncShadowFeatures(){let e=this.hasActiveShadowFeatures();if(this.renderer.shadowMap.enabled!==e&&(this.renderer.shadowMap.enabled=e),!e){this.frameBudgetShadowDeferred=!1,this.renderer.shadowMap.needsUpdate=!1;return}this.ensureMeshShadowFlags(),this.renderer.shadowMap.needsUpdate=!0}ensureMeshShadowFlags(){if(!(!this.rootObject||this.meshShadowFlagsPrepared)){for(let e of this.getRenderableObjects(this.rootObject))Ra(e)&&(e.castShadow=!0,e.receiveShadow=!0);this.meshShadowFlagsPrepared=!0}}syncSceneHelpers(){this.sceneConfig.groundShadow?this.createGroundShadow():this.removeGroundShadow(),this.sceneConfig.grid?this.createGrid():this.removeGrid(),typeof this.sceneConfig.axis=="boolean"&&this.syncAxisHelper(this.sceneConfig.axis)}syncAxisHelper(e){if(!this.axesHelper){this.axesHelper=new Lu(1.2);let t=this.axesHelper.material;t.depthTest=!1,t.depthWrite=!1,this.axesHelper.renderOrder=999,this.scene.add(this.axesHelper)}this.axesHelper.visible=e,this.axesHelper.position.copy(this.controls.target)}createGroundShadow(){var l;if(!this.rootObject||this.groundShadowMesh)return;this.ensureMeshShadowFlags();let e=(l=this.getRootPreviewBounds())!=null?l:Ps(this.rootObject),t=Er(e),i=ji(e),r=Math.max(i.x,i.z,Number.EPSILON),s=Math.max(r*3,.001),a=e.min.y-Math.max(s*.002,1e-5),o=new li(new Od(s,s),new I_({color:0,opacity:$ae,transparent:!0}));o.name="ai3d-ground-shadow",o.rotation.x=-Math.PI/2,o.position.set(t.x,a,t.z),o.receiveShadow=!0,o.renderOrder=-1,this.scene.add(o),this.groundShadowMesh=o}removeGroundShadow(){if(this.groundShadowMesh){this.groundShadowMesh.removeFromParent(),this.groundShadowMesh.geometry.dispose();for(let e of Ds(this.groundShadowMesh.material))e.dispose();this.groundShadowMesh=null}}createGrid(){var o;if(!this.rootObject||this.gridHelper)return;let e=(o=this.getRootPreviewBounds())!=null?o:Ps(this.rootObject),t=Er(e),i=ji(e),r=Math.max(i.x,i.z,Number.EPSILON),s=Math.max(r*2,.001),a=new w_(s,20,7305093,3423046);a.name="ai3d-grid",a.position.set(t.x,e.min.y-Math.max(s*.003,1e-5),t.z);for(let l of Ds(a.material))l.transparent=!0,l.opacity=.42;this.scene.add(a),this.gridHelper=a}removeGrid(){if(this.gridHelper){this.gridHelper.removeFromParent(),this.gridHelper.geometry.dispose();for(let e of Ds(this.gridHelper.material))e.dispose();this.gridHelper=null}}dispatchPick(e){var c,f,d;if(!this.rootObject||(c=this.disassembly)!=null&&c.isEnabled())return;let t=this.renderer.domElement.getBoundingClientRect();this.pointer.x=(e.clientX-t.left)/t.width*2-1,this.pointer.y=-((e.clientY-t.top)/t.height)*2+1,this.raycaster.setFromCamera(this.pointer,this.camera);let i=this.raycaster.intersectObjects(this.getRenderableObjects(this.rootObject),!1)[0],r=qu(i==null?void 0:i.object)?i.object:null,s=this.getRenderableMeshes(this.rootObject),a=this.getChildRenderableMeshMap(this.rootObject),o=r?KT(this.rootObject,r,s,a):null,l={mesh:o,pickedPoint:(d=(f=i==null?void 0:i.point)==null?void 0:f.clone())!=null?d:null,screenX:e.clientX,screenY:e.clientY};if(this._lastPickResult=l,this.measurementActive&&(i!=null&&i.point)){this.addMeasurementPoint(i.point.clone());return}this.focusSelectionEnabled&&o?(this.clearSelectionHighlight(),this.focusedObject!==o&&this.setFocusedObject(o)):this.focusSelectionEnabled?this.clearSelectionHighlight():this.updateSelectionHighlight(o),this._onPickCallbacks.forEach(h=>h(l))}clearLoadedModel(e="model-switch"){var t,i;if((t=this.disassembly)==null||t.dispose(),this.disassembly=null,this.disassemblySetup=!1,this.meshShadowFlagsPrepared=!1,this.invalidateMeshCache(),this.markDirty(),this.clearFocusedMesh(),this.clearSelectionHighlight(),this.disposeMeasurementOverlays(!0),this.wireframeEnabled=!1,this.wireframeOriginalMaterials.clear(),this.stlMaterial=null,(i=this.bboxHelper)==null||i.removeFromParent(),this.bboxHelper=null,this.bboxEnabled=!1,this.removeGroundShadow(),this.removeGrid(),this.mixer=null,this.animationPlaying=!1,!this.rootObject){this.lastDisposalAudit={reason:e,meshCount:0,geometryCount:0,materialCount:0,textureCount:0,objectCount:0,timestamp:performance.now()};return}this.scene.remove(this.rootObject),this.lastDisposalAudit=this.disposeObjectGraph(this.rootObject,e),this.rootObject=null,this.markShadowDirty()}disposeObjectGraph(e,t){let i=new Set,r=new Set,s=new Set,a=0,o=0;return e.traverse(l=>{if(o++,!qu(l))return;Ra(l)&&a++;let c=l.geometry;c&&!i.has(c.uuid)&&(c.dispose(),i.add(c.uuid));for(let f of Ds(l.material))this.disposeMaterialWithTextures(f,r,s)}),{reason:t,meshCount:a,geometryCount:i.size,materialCount:r.size,textureCount:s.size,objectCount:o,timestamp:performance.now()}}disposeMaterialWithTextures(e,t,i){let r=e;for(let s of Object.values(r))if(s instanceof br&&!i.has(s.uuid))s.dispose(),i.add(s.uuid);else if(Array.isArray(s))for(let a of s)a instanceof br&&!i.has(a.uuid)&&(a.dispose(),i.add(a.uuid));t.has(e.uuid)||(e.dispose(),t.add(e.uuid))}fitCameraToObject(e,t){var l;let i=(l=t!=null?t:this.getRootPreviewBounds(e))!=null?l:Ps(e),r=rB(i);this.initialTarget.set(r.target.x,r.target.y,r.target.z),this.initialPosition.set(r.position.x,r.position.y,r.position.z),this.initialFov=45;let s=ji(i),a=Math.max(s.x,s.y,s.z,Number.EPSILON),o=this.initialPosition.distanceTo(this.initialTarget);this.controls.minDistance=Math.max(r.near*4,a*.02,1e-5),this.controls.maxDistance=Math.max(o*8,this.controls.minDistance*10),this.raycaster.params.Points={threshold:Math.max(a*.01,1e-5)},this.raycaster.params.Line={threshold:Math.max(a*.002,1e-5)},this.occlusionRaycaster.params.Points={threshold:Math.max(a*.006,1e-5)},this.occlusionRaycaster.params.Line={threshold:Math.max(a*.001,1e-5)},this.resetView(),this.axesHelper&&(this.axesHelper.position.copy(this.controls.target),this.axesHelper.scale.setScalar(Math.max(a*.25,5e-4))),this.camera.near=r.near,this.camera.far=r.far,this.camera.updateProjectionMatrix(),this.markDirty()}getAnnotationCameraStateKey(){return VT([{value:this.camera.position.x,digits:3},{value:this.camera.position.y,digits:3},{value:this.camera.position.z,digits:3},{value:this.controls.target.x,digits:2},{value:this.controls.target.y,digits:2},{value:this.controls.target.z,digits:2},{value:this.camera instanceof dr?this.camera.fov:this.camera.zoom,digits:this.camera instanceof dr?2:3}])}projectAnnotationWorldPoint(e,t){let i=this.renderer.domElement;return!i.isConnected||i.clientWidth===0||i.clientHeight===0?!1:(this.scene.updateMatrixWorld(),this.camera.updateMatrixWorld(),this.annotationProjection.set(e.x,e.y,e.z).project(this.camera),cB(this.annotationProjection,i,t))}isAnnotationWorldPointOccluded(e){if(!this.rootObject)return!1;let t=Yc(Nt(this.camera.position),e);if(!t)return!1;this.rootObject.updateWorldMatrix(!0,!0),this.annotationDirection.set(t.direction.x,t.direction.y,t.direction.z),this.occlusionRaycaster.set(this.camera.position,this.annotationDirection),this.occlusionRaycaster.far=t.distance;let i=this.occlusionRaycaster.intersectObjects(this.getRenderableObjects(this.rootObject),!1)[0];return!!i&&Xc(i.distance,t.distance,t.epsilon)}getRenderableMeshes(e){if(this.cachedMeshes&&this.cachedMeshRoot===e)return this.cachedMeshes;let t=[];return e.traverse(i=>{Ra(i)&&i.geometry&&t.push(i)}),this.cachedMeshes=t,this.cachedMeshRoot=e,t}getRenderableObjects(e){if(this.cachedRenderables&&this.cachedRenderableRoot===e)return this.cachedRenderables;let t=[];return e.traverse(i=>{qu(i)&&i.geometry&&t.push(i)}),this.cachedRenderables=t,this.cachedRenderableRoot=e,t}getChildRenderableMeshMap(e){return this.cachedChildMeshMap&&this.cachedChildMeshMapRoot===e?this.cachedChildMeshMap:(this.cachedChildMeshMap=$u(e,this.getRenderableMeshes(e)),this.cachedChildMeshMapRoot=e,this.cachedChildMeshMap)}getGeometryQualityStats(){var e;return this.rootObject?(this.cachedGeometryQualityStats||(this.cachedGeometryQualityStats=EB(this.rootObject,this.getRenderableObjects(this.rootObject),(e=this.getRootPreviewBounds())!=null?e:void 0)),this.cachedGeometryQualityStats):{meshCount:0,pointCloudCount:0,smallPartCount:0,smallestPartSpan:null,modelSpan:null}}invalidateMeshCache(){this.cachedMeshes=null,this.cachedMeshRoot=null,this.cachedRenderables=null,this.cachedRenderableRoot=null,this.cachedChildMeshMap=null,this.cachedChildMeshMapRoot=null,this.invalidateRootBoundsCache()}invalidateRootBoundsCache(){this.cachedRootPreviewBounds=null,this.cachedRootPreviewBoundsObject=null,this.cachedGeometryQualityStats=null}getRootPreviewBounds(e=this.rootObject){return e?this.cachedRootPreviewBounds&&this.cachedRootPreviewBoundsObject===e?this.cachedRootPreviewBounds:(this.cachedRootPreviewBounds=Ps(e),this.cachedRootPreviewBoundsObject=e,this.cachedRootPreviewBounds):null}ensureBoundingBoxHelper(){var e;this.rootObject&&((e=this.bboxHelper)==null||e.removeFromParent(),this.bboxHelper=new Wl(this.rootObject,16436245),this.scene.add(this.bboxHelper))}updateSelectionHighlight(e){var t;if(!this.rootObject||!e){this.clearSelectionHighlight();return}this.highlightedObject===e&&this.selectionHelper||((t=this.selectionHelper)==null||t.removeFromParent(),this.selectionHelper=new Wl(e,4890367),this.scene.add(this.selectionHelper),this.highlightedObject=e,this.markDirty())}setFocusedObject(e){var r,s;if(!this.rootObject||!e){this.clearFocusedMesh();return}if(this.focusedObject===e)return;let t=this.getRenderableMeshes(this.rootObject),i=Ra(e)?[e]:(r=this.getChildRenderableMeshMap(this.rootObject).get(e))!=null?r:[];if(i.length===0&&!qu(e)){this.clearFocusedMesh();return}this.originalMaterials.size===0?this.applyInitialFocusMaterials(t,i):this.applyFocusSelectionDelta(i),(s=this.focusHelper)==null||s.removeFromParent(),this.focusHelper=new Wl(e,3065087),this.scene.add(this.focusHelper),this.focusedObject=e,this.focusedSelectedMeshes.clear();for(let a of i)this.focusedSelectedMeshes.set(a.id,a);this.markDirty()}clearFocusedMesh(){var e;this.restoreFocusedMaterials(),this.disposeFocusDimMaterials(),this.originalMaterials.clear(),this.focusedSelectedMeshes.clear(),(e=this.focusHelper)==null||e.removeFromParent(),this.focusHelper=null,this.focusedObject=null,this.markDirty()}restoreFocusedMaterials(){if(this.rootObject)for(let e of this.getRenderableMeshes(this.rootObject)){let t=this.originalMaterials.get(e.id);t&&(e.material=t)}}applyInitialFocusMaterials(e,t){let i=new Set(t.map(r=>r.id));for(let r of e)this.originalMaterials.set(r.id,r.material),!i.has(r.id)&&(r.material=this.focusDimMaterialCache.get(r.material))}applyFocusSelectionDelta(e){var i,r;let t=new Set(e.map(s=>s.id));for(let[s,a]of this.focusedSelectedMeshes){if(t.has(s))continue;let o=(i=this.originalMaterials.get(s))!=null?i:a.material;this.originalMaterials.has(s)||this.originalMaterials.set(s,o),a.material=this.focusDimMaterialCache.get(o)}for(let s of e){let a=(r=this.originalMaterials.get(s.id))!=null?r:s.material;this.originalMaterials.has(s.id)||this.originalMaterials.set(s.id,a),s.material=a}}disposeFocusDimMaterials(){this.focusDimMaterialCache.clear()}clearSelectionHighlight(){var e;(e=this.selectionHelper)==null||e.removeFromParent(),this.selectionHelper=null,this.highlightedObject=null,this.markDirty()}getMeasurementMarkerSize(){var r;if(!this.rootObject)return .02;let e=(r=this.getRootPreviewBounds())!=null?r:Ps(this.rootObject),t=ji(e);return Math.max(t.x,t.y,t.z,.001)*.015}cancelPendingMeasurement(e=!0){var r,s;let t=this.pendingMarker,i=(s=(r=this.pendingPoint)==null?void 0:r.clone())!=null?s:null;if(this.pendingPoint=null,this.pendingMarker=null,this.hoveredMarkerIndex=-1,this.removePreviewLine(),t&&i&&!this.isMeasurementPointUsed(i)){let a=this.measurementMarkers.indexOf(t);a>=0&&this.measurementMarkers.splice(a,1),this.disposeMeasurementMarker(t)}else t&&(t.scale.setScalar(1),t.material.color.setHex(16739179));e&&this.markDirty()}isMeasurementPointUsed(e){return this.measurementSegments.some(t=>t.start.distanceTo(e)<1e-4||t.end.distanceTo(e)<1e-4)}disposeMeasurementMarker(e){e.removeFromParent(),e.geometry.dispose();let t=e.material;if(Array.isArray(t))for(let i of t)i.dispose();else t.dispose()}findNearestMarkerIndex(e){let t=this.getMeasurementMarkerSize()*2.5;for(let i=0;i=0?this.measurementMarkers[t].position.clone():e;if(this.pendingPoint){if(i.distanceTo(this.pendingPoint)<1e-4)return;if(t<0){let r=this.getMeasurementMarkerSize(),s=new yu(r,16,16),a=new Jn({color:16739179,depthTest:!1}),o=new li(s,a);o.position.copy(i),o.renderOrder=999,this.scene.add(o),this.measurementMarkers.push(o)}this.createMeasurementSegment(this.pendingPoint,i),this.pendingMarker&&(this.pendingMarker.scale.setScalar(1),this.pendingMarker.material.color.setHex(16739179)),this.pendingPoint=null,this.pendingMarker=null,this.removePreviewLine()}else{if(t<0){let r=this.getMeasurementMarkerSize(),s=new yu(r,16,16),a=new Jn({color:16739179,depthTest:!1}),o=new li(s,a);o.position.copy(i),o.renderOrder=999,this.scene.add(o),this.measurementMarkers.push(o),this.pendingMarker=o}else this.pendingMarker=this.measurementMarkers[t];this.pendingMarker.scale.setScalar(1.6),this.pendingMarker.material.color.setHex(5361510),this.pendingPoint=i,this.ensurePreviewLine()}this.markDirty()}createMeasurementSegment(e,t){let i=new Xi().setFromPoints([e,t]),r=new Xo(i,new Dn({color:16739179,depthTest:!1}));r.renderOrder=998,this.scene.add(r);let s=Ku(this.createMeasurementReading(e,t)),a=new se().addVectors(e,t).multiplyScalar(.5),o=this.createMeasurementLabelSprite(s,a,this.getMeasurementMarkerSize()*4);this.scene.add(o),this.measurementSegments.push({start:e,end:t,line:r,label:o})}createMeasurementLabelSprite(e,t,i){let r=activeDocument.createEl("canvas"),s=r.getContext("2d");r.width=640,r.height=160,s.fillStyle="rgba(32, 36, 46, 0.9)",s.beginPath(),s.roundRect(0,0,640,160,18),s.fill(),s.strokeStyle="#ff6b6b",s.lineWidth=4,s.stroke(),s.fillStyle="#ffffff",s.textAlign="center",s.textBaseline="middle",s.font="bold 46px sans-serif",s.fillText(e.primary,320,58),s.font="28px sans-serif",s.fillStyle="rgba(255, 255, 255, 0.82)",s.fillText(e.secondary,320,112);let a=new b_(r),o=new Ru({map:a,depthTest:!1}),l=new S_(o);return l.position.copy(t),l.scale.set(i*5,i*1.25,1),l.renderOrder=1e3,l}ensurePreviewLine(){if(this.previewLine)return;let e=new Xi().setFromPoints([new se,new se]);this.previewLine=new Xo(e,new Dn({color:16777215,transparent:!0,opacity:.5,depthTest:!1})),this.previewLine.renderOrder=997,this.scene.add(this.previewLine)}updatePreviewLine(){if(this.previewLineUpdateHandle=0,!this.pendingPoint||!this.previewLine||!this.rootObject)return;let e=this.renderer.domElement.getBoundingClientRect();this.pointer.x=(this.lastPointerClient.x-e.left)/e.width*2-1,this.pointer.y=-((this.lastPointerClient.y-e.top)/e.height)*2+1,this.raycaster.setFromCamera(this.pointer,this.camera);let t=this.raycaster.intersectObjects(this.getRenderableObjects(this.rootObject),!1)[0],i;t!=null&&t.point?i=t.point.clone():i=this.pendingPoint.clone().add(this.raycaster.ray.direction.clone().multiplyScalar(5));let 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this.canvas.addEventListener("pointerdown",t),window.addEventListener("pointermove",i),window.addEventListener("pointerup",r),()=>{var s,a;if(this.canvas.removeEventListener("pointerdown",t),window.removeEventListener("pointermove",i),window.removeEventListener("pointerup",r),this.canvas.classList.remove("ai3d-disassembly-active","ai3d-disassembly-dragging"),this.partPointerActive=!1,this.activePointerId!==null&&((a=(s=this.canvas).hasPointerCapture)!=null&&a.call(s,this.activePointerId)))try{this.canvas.releasePointerCapture(this.activePointerId)}catch(o){}this.activePointerId=null,this.controls.enabled=!0}}resolvePart(e){var t;return kae(e)?this.parts.includes(e)?e:null:e&&(t=this.meshToPart.get(e.id))!=null?t:null}setSelected(e){var t;(t=this.selectionHelper)==null||t.removeFromParent(),this.selectionHelper=null,this.selected=e,this.lastOccluded=!1,e&&!this.isDisposed(e)&&(this.selectionHelper=new Wl(e.object,SB),this.scene.add(this.selectionHelper)),this.requestRender()}beginDrag(e,t){let i=this.getPointOnDragPlane(e,t);if(!i)return null;t.preventDefault(),t.stopPropagation(),Hae(this.scene,e.object),this.canvas.classList.add("ai3d-disassembly-dragging");let r="move";t.shiftKey&&(r="rotate");let s=this.tempBox.setFromObject(e.object).getCenter(this.tempCenter).clone(),a=this.tempCameraForward;this.camera.getWorldDirection(a);let o=jh(Nt(i),Nt(a));return o?(this.controls.enabled=!1,this.requestRender(),{part:e,mode:r,plane:o,startPoint:i.clone(),startPosition:e.object.position.clone(),startQuaternion:e.object.quaternion.clone(),pivot:s,pointerX:t.clientX,pointerY:t.clientY}):null}updateDrag(e,t){var s;if(t.preventDefault(),t.stopPropagation(),e.mode==="rotate"){this.updateRotation(e,t);return}let i=this.getRayPlanePoint(t,e.plane);if(!i)return;let r=i.clone().sub(e.startPoint);e.part.object.position.copy(e.startPosition).add(r),e.part.object.updateMatrixWorld(!0),(s=this.selectionHelper)==null||s.update(),this.requestRender()}endDrag(e){this.controls.enabled=!0,this.canvas.classList.remove("ai3d-disassembly-dragging"),this.requestRender()}updateSelectionOcclusion(e){let i=this.tempBox.setFromObject(e.object).getCenter(this.tempCenter),r=this.camera.position,s=Yc(Nt(r),Nt(i));if(!s)return;let a=this.tempDirection.set(s.direction.x,s.direction.y,s.direction.z);this.raycaster.set(r,a),this.raycaster.far=s.distance;let o=this.raycaster.intersectObjects(this.meshes,!1)[0],l=!!o&&Xc(o.distance,s.distance,s.epsilon);l!==this.lastOccluded&&(this.lastOccluded=l,this.selectionHelper&&(this.selectionHelper.material.color.set(l?zae:SB),this.requestRender()))}updateRotation(e,t){var c;let i=t.clientX-e.pointerX,r=t.clientY-e.pointerY,s=this.tempCameraForward;this.camera.getWorldDirection(s);let a=this.tempCameraUp.copy(this.camera.up).normalize(),o=this.tempCameraRight.crossVectors(a,s).normalize(),l=lE({startPosition:Nt(e.startPosition),pivot:Nt(e.pivot),startRotationQuaternion:oE(e.startQuaternion),yawAxis:Nt(a),pitchAxis:Nt(o),deltaX:i,deltaY:r,sensitivity:.01});l&&(e.part.object.position.set(l.position.x,l.position.y,l.position.z),e.part.object.quaternion.set(l.rotationQuaternion.x,l.rotationQuaternion.y,l.rotationQuaternion.z,l.rotationQuaternion.w),e.part.object.updateMatrixWorld(!0),(c=this.selectionHelper)==null||c.update(),this.requestRender())}resolvePickTarget(e){let t=this.canvas.getBoundingClientRect();this.pointer.x=(e.clientX-t.left)/t.width*2-1,this.pointer.y=-((e.clientY-t.top)/t.height)*2+1,this.raycaster.setFromCamera(this.pointer,this.camera);let i=this.raycaster.intersectObjects(this.meshes,!1)[0];return(i==null?void 0:i.object)instanceof li?i.object:null}getPointOnDragPlane(e,t){var o;let r=this.tempBox.setFromObject(e.object).getCenter(this.tempCenter),s=this.tempCameraForward;this.camera.getWorldDirection(s);let a=jh(Nt(r),Nt(s));return a&&(o=this.getRayPlanePoint(t,a))!=null?o:r}getRayPlanePoint(e,t){let i=this.canvas.getBoundingClientRect(),r=e.clientX-i.left,s=e.clientY-i.top;this.pointer.set(r/i.width*2-1,-(s/i.height)*2+1),this.raycaster.setFromCamera(this.pointer,this.camera);let a=aE({origin:Nt(this.raycaster.ray.origin),direction:Nt(this.raycaster.ray.direction)},t);return a?new se(a.x,a.y,a.z):null}}});function xB(n){let e=n.clone();return e.transparent=!0,e.opacity=Math.max(0,Math.min(1,n.opacity))*Xae,e.depthWrite=!1,e.needsUpdate=!0,e}function Yae(n){return Array.isArray(n)?n.map(xB):xB(n)}function Kae(n){return Array.isArray(n)?n.map(e=>e.uuid).join("|"):n.uuid}function jae(n){if(n)for(let e of Array.isArray(n)?n:[n])e.dispose()}var Xae,ZT,RB=I(()=>{"use strict";Xae=.242;ZT=class{constructor(){this.materials=new Map}get(e){let t=Kae(e),i=this.materials.get(t);if(i)return i;let r=Yae(e);return this.materials.set(t,r),r}clear(){for(let e of this.materials.values())jae(e);this.materials.clear()}get size(){return this.materials.size}}});function bB(n){return $r(n)}function qae(n,e){return{originalPosition:bB(n),originalCenter:bB(e)}}function QT(n,e,t){let i=n.getRootCenter();for(let r of n.getParts()){let s=n.getPartState(r);s||(s=qae(n.getPartPosition(r),n.getPartCenter(r)),n.setPartState(r,s));let a=(s.originalCenter[t]-i[t])*e;n.setPartPosition(r,c1(s.originalPosition,t,a))}}function $T(n){for(let e of n.getParts()){let t=n.getPartState(e);t&&n.setPartPosition(e,t.originalPosition)}}var Py=I(()=>{"use strict";vs()});function JT(n){return $r(n)}function Zae(n){return n instanceof li}function Qae(n){let e=[];return n.traverse(t=>{Zae(t)&&t.geometry&&e.push(t)}),e}function MB(n,e,t){QT(new eA(n),e,t)}function Dy(n){$T(new eA(n))}var eA,IB=I(()=>{"use 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strict";tA=class{constructor(e=120){this.maxSamples=e;this.samples=[];this.renderedFrameCount=0;this.idleFrameSkipCount=0;this.slowFrameCount=0;this.maxRenderMs=0;this.adaptiveScaleChangeCount=0}recordRenderedFrame(e,t){!Number.isFinite(e)||e<0||(this.renderedFrameCount++,e>=t&&this.slowFrameCount++,this.maxRenderMs=Math.max(this.maxRenderMs,e),this.samples.push(e),this.samples.length>this.maxSamples&&this.samples.shift())}recordIdleFrameSkip(){this.idleFrameSkipCount++}recordAdaptiveScaleChange(){this.adaptiveScaleChangeCount++}snapshot(){let e=[...this.samples].sort((r,s)=>r-s),t=this.samples.reduce((r,s)=>r+s,0),i=e.length===0?-1:Math.min(e.length-1,Math.ceil(e.length*.95)-1);return{renderedFrameCount:this.renderedFrameCount,idleFrameSkipCount:this.idleFrameSkipCount,slowFrameCount:this.slowFrameCount,averageRenderMs:e.length?Number((t/e.length).toFixed(2)):0,p95RenderMs:i>=0?Number(e[i].toFixed(2)):0,maxRenderMs:Number(this.maxRenderMs.toFixed(2)),adaptiveScaleChangeCount:this.adaptiveScaleChangeCount}}}});var OB={};Ue(OB,{ThreeModelPreview:()=>rA,createThreeModelPreview:()=>uoe});function LB(){return{textureCount:0,colorTextureCount:0,srgbColorTextureCount:0}}function hoe(n,e){n.textureCount+=e.textureCount,n.colorTextureCount+=e.colorTextureCount,n.srgbColorTextureCount+=e.srgbColorTextureCount}function Ly(n){return n instanceof Zo||n instanceof so||n instanceof kl}function uoe(n){return new rA(n)}var iA,$ae,Jae,eoe,toe,ioe,PB,roe,DB,noe,soe,aoe,ooe,loe,coe,foe,doe,rA,NB=I(()=>{"use strict";es();M2();I2();J2();ia();il();DT();BT();Sy();vs();J_();xy();AB();RB();IB();gs();_y();CB();yy();iA=new ft("#20242e"),$ae=.28,Jae=2.5,eoe=1.5,toe=1.15,ioe=260,PB=30,roe=8,DB=28,noe=18,soe=2,aoe=28,ooe=.86,loe=1.08,coe=.62,foe=.86,doe=4;rA=class{constructor(e){this.raycaster=new sf;this.occlusionRaycaster=new sf;this.renderObservers=new Set;this.pointer=new Mt;this.annotationProjection=new se;this.annotationDirection=new se;this.clock={last:performance.now()};this.defaultLights=[];this.configLights=[];this.environmentTarget=null;this.rootObject=null;this.loadedExt="";this.resourceWarnings=[];this.textureAudit=LB();this.renderHandle=0;this.contextLost=!1;this.quality="high";this.renderScale=1;this.interactivePixelRatioActive=!1;this.interactionPixelRatioDeadline=0;this.renderObserverSettleFrames=0;this.frameBudgetPixelRatioScale=1;this.frameBudgetSlowStreak=0;this.frameBudgetFastStreak=0;this.frameBudgetObserverStride=1;this.frameBudgetObserverCursor=0;this.frameBudgetShadowDeferred=!1;this.lastFrameDurationMs=0;this.smoothness=new tA;this.viewportVisible=!0;this.viewportObserver=null;this.lastDisposalAudit={reason:"initial",meshCount:0,geometryCount:0,materialCount:0,textureCount:0,objectCount:0,timestamp:performance.now()};this.axesHelper=null;this.bboxHelper=null;this.groundShadowMesh=null;this.meshShadowFlagsPrepared=!1;this.gridHelper=null;this.bboxEnabled=!1;this.wireframeEnabled=!1;this.wireframeOriginalMaterials=new Map;this.sceneConfig={};this.focusSelectionEnabled=!1;this.focusedObject=null;this.highlightedObject=null;this.selectionHelper=null;this.focusHelper=null;this.mixer=null;this.animationPlaying=!1;this.initialTarget=new se;this.initialPosition=new se(3,2,3);this.initialFov=45;this.initialZoom=1;this.initialCameraMode="perspective";this.cameraMode="perspective";this.lastPointerDown=null;this.measurementActive=!1;this.measurementScale={x:1,y:1,z:1};this.measurementUnit="mm";this.measurementSegments=[];this.measurementMarkers=[];this.pendingPoint=null;this.pendingMarker=null;this.hoveredMarkerIndex=-1;this.lastPointerClient={x:0,y:0};this.previewLine=null;this.previewLineUpdateHandle=0;this.originalMaterials=new Map;this.focusedSelectedMeshes=new Map;this.focusDimMaterialCache=new ZT;this._lastPickResult={mesh:null,pickedPoint:null,screenX:0,screenY:0};this._onPickCallbacks=[];this.disassembly=null;this.disassemblySetup=!1;this.renderDirty=!0;this.stlMaterial=null;this.cachedMeshes=null;this.cachedMeshRoot=null;this.cachedRenderables=null;this.cachedRenderableRoot=null;this.cachedChildMeshMap=null;this.cachedChildMeshMapRoot=null;this.cachedRootPreviewBounds=null;this.cachedRootPreviewBoundsObject=null;this.cachedGeometryQualityStats=null;this.cameraAnimHandle=0;this.preventCanvasWheelScroll=e=>{this.prepareInteractiveFrameBudget(),e.preventDefault(),e.stopPropagation(),this.markDirty()};this.handleControlsChange=()=>{this.prepareInteractiveFrameBudget(),this.markDirty()};this.handleViewportIntersection=e=>{let t=e[e.length-1];if(!t)return;let i=t.isIntersecting&&t.intersectionRatio>0;i!==this.viewportVisible&&(this.viewportVisible=i,i?(this.clock.last=performance.now(),this.markDirty(),this.markShadowDirty(),this.startRenderLoop()):(cancelAnimationFrame(this.renderHandle),this.renderHandle=0))};this.handlePointerDown=e=>{e.button!==0||e.isPrimary===!1||(this.lastPointerDown={x:e.clientX,y:e.clientY},this.prepareInteractiveFrameBudget())};this.handlePointerUp=e=>{var i;if(e.button!==0||e.isPrimary===!1)return;let t=this.lastPointerDown;this.lastPointerDown=null,t&&(Math.hypot(e.clientX-t.x,e.clientY-t.y)>4||(i=this.disassembly)!=null&&i.isEnabled()||this.dispatchPick(e))};this.handlePointerMove=e=>{if(this.lastPointerClient={x:e.clientX,y:e.clientY},e.buttons&1&&this.prepareInteractiveFrameBudget(),!this.measurementActive||(this.pendingPoint&&this.schedulePreviewLineUpdate(),this.measurementMarkers.length===0))return;let t=this.renderer.domElement.getBoundingClientRect();this.pointer.x=(e.clientX-t.left)/t.width*2-1,this.pointer.y=-((e.clientY-t.top)/t.height)*2+1,this.raycaster.setFromCamera(this.pointer,this.camera);let i=this.raycaster.intersectObjects(this.measurementMarkers,!1),r=i.length>0?this.measurementMarkers.indexOf(i[0].object):-1;if(r!==this.hoveredMarkerIndex){if(this.hoveredMarkerIndex>=0&&this.hoveredMarkerIndex=0&&r{e.preventDefault(),this.contextLost=!0,this.renderHandle&&(cancelAnimationFrame(this.renderHandle),this.renderHandle=0)};this.handleContextRestored=()=>{this.contextLost=!1,this.markDirty(),this.startRenderLoop()};this.renderer=new uT({canvas:e,antialias:!0,alpha:!0,preserveDrawingBuffer:!0,powerPreference:"high-performance"}),this.renderer.outputColorSpace=Mi,this.renderer.toneMapping=Ms,this.renderer.toneMappingExposure=1,this.renderer.shadowMap.enabled=!1,this.renderer.shadowMap.type=ES,this.renderer.shadowMap.autoUpdate=!1,this.renderer.shadowMap.needsUpdate=!1,this.renderer.setClearColor(iA,1),this.scene=new Pd,this.installGlobalEnvironment(),this.camera=new dr(this.initialFov,1,.01,2e3),this.camera.position.copy(this.initialPosition),this.camera.lookAt(this.initialTarget),this.scene.add(this.camera),this.controls=new gT(this.camera,e),this.controls.enableDamping=!0,this.controls.dampingFactor=.08,this.controls.zoomSpeed=.85,this.controls.screenSpacePanning=!0,this.controls.target.copy(this.initialTarget),this.controls.addEventListener("change",this.handleControlsChange),this.installDefaultLighting(),this.resizeObs=new ResizeObserver(()=>this.resizeRenderer()),this.resizeObs.observe(e),typeof IntersectionObserver!="undefined"&&(this.viewportObserver=new IntersectionObserver(this.handleViewportIntersection,{root:null,threshold:[0,.01]}),this.viewportObserver.observe(e)),e.addEventListener("wheel",this.preventCanvasWheelScroll,{passive:!1}),e.addEventListener("pointerdown",this.handlePointerDown),e.addEventListener("pointerup",this.handlePointerUp),e.addEventListener("pointermove",this.handlePointerMove),e.addEventListener("webglcontextlost",this.handleContextLost),e.addEventListener("webglcontextrestored",this.handleContextRestored),this.resizeRenderer(),this.startRenderLoop()}async loadModel(e,t,i,r){var f;this.clearLoadedModel("model-switch"),this.loadedExt=t.toLowerCase(),this.resourceWarnings=[],this.textureAudit=LB();let s,a=[];if(this.loadedExt==="glb"||this.loadedExt==="gltf"){let d=await q2(e,this.loadedExt,i,r);s=d.scene,a=d.animations,this.resourceWarnings=d.warnings}else if(this.loadedExt==="stl")s=await Z2(e),this.stlMaterial=Ra(s)?s.material:null;else if(this.loadedExt==="ply")s=await Q2(e);else if(this.loadedExt==="obj"){let d=await $2(e,i,r);s=d.object,this.resourceWarnings=d.warnings}else throw new Error(`Three preview does not support .${this.loadedExt} format`);this.rootObject=s,this.scene.add(s),this.invalidateMeshCache();let o=this.getRenderableObjects(s);this.prepareModelForQuality(o),this.syncShadowFeatures();let l=this.getRootPreviewBounds(s);if(this.updateShadowFraming(l),this.syncSceneHelpers(),this.markDirty(),a.length>0){this.mixer=new N_(s);for(let d of a)this.mixer.clipAction(d).play();this.animationPlaying=!0}let c=jT(s,o,this.resourceWarnings,l!=null?l:void 0);return this.cachedGeometryQualityStats=null,this.fitCameraToObject(s,l!=null?l:void 0),this.bboxEnabled&&this.ensureBoundingBoxHelper(),this.disassemblySetup=!1,(f=this.disassembly)==null||f.dispose(),this.disassembly=null,c}applyConfig(e){e.camera&&this.applyCameraConfig(e.camera),e.lights&&this.applyLightConfig(e.lights),e.scene&&this.applySceneConfig(e.scene),e.stl&&this.applySTLConfig(e.stl)}applySTLConfig(e){let t=this.stlMaterial;t&&(e.color!==void 0&&t.color.set(e.color),e.wireframe!==void 0&&(t.wireframe=e.wireframe,t.needsUpdate=!0),this.markDirty())}destroy(){var t,i;cancelAnimationFrame(this.renderHandle),cancelAnimationFrame(this.cameraAnimHandle),this._onPickCallbacks=[],this.renderObservers.clear(),(t=this.disassembly)==null||t.dispose(),this.disassembly=null,this.disassemblySetup=!1,this.clearFocusedMesh(),this.clearSelectionHighlight(),this.clearLoadedModel("destroy");for(let r of this.configLights)this.disposeConfiguredLight(r);this.configLights.length=0;for(let r of this.defaultLights)this.disposeConfiguredLight(r);this.defaultLights.length=0,this.disposeGlobalEnvironment(),this.controls.removeEventListener("change",this.handleControlsChange),this.controls.dispose();let e=this.renderer.domElement;e.removeEventListener("wheel",this.preventCanvasWheelScroll),e.removeEventListener("pointerdown",this.handlePointerDown),e.removeEventListener("pointerup",this.handlePointerUp),e.removeEventListener("pointermove",this.handlePointerMove),e.removeEventListener("webglcontextlost",this.handleContextLost),e.removeEventListener("webglcontextrestored",this.handleContextRestored),this.resizeObs.disconnect(),(i=this.viewportObserver)==null||i.disconnect(),this.viewportObserver=null,this.renderer.dispose()}getCanvas(){return this.renderer.domElement}captureSnapshot(){return this.renderNow(0),this.renderer.domElement.toDataURL("image/png")}getAnnotationProvider(){let e=this.renderer.domElement;return UT({canvas:e,observeRender:t=>(this.renderObservers.add(t),this.setRenderObserverSettleFrames(),this.markDirty(),{remove:()=>{this.renderObservers.delete(t),this.renderObservers.size===0&&this.setRenderObserverSettleFrames(0)}}),getCameraStateKey:()=>this.getAnnotationCameraStateKey(),projectWorldPoint:(t,i)=>this.projectAnnotationWorldPoint(t,i),isWorldPointOccluded:t=>this.isAnnotationWorldPointOccluded(t)})}exportModelInfo(e){var s;if(!this.rootObject)return"";let t=this.getRenderableObjects(this.rootObject),i=jT(this.rootObject,t,this.resourceWarnings,(s=this.getRootPreviewBounds())!=null?s:void 0),r=e&&_s(e)||i.rootName;return wT({title:r,format:this.loadedExt.toUpperCase(),summary:i,meshBreakdown:t.map(pB)})}getModelEvidence(){var a;if(!this.rootObject)return null;let e=this.getRenderableObjects(this.rootObject),t=this.getRenderableMeshes(this.rootObject),i=this.getChildRenderableMeshMap(this.rootObject),r=vB(this.rootObject,t,i),s={parts:r.parts,groupedMeshes:new Set(r.groupedMeshes)};return GT({summary:jT(this.rootObject,e,this.resourceWarnings,(a=this.getRootPreviewBounds())!=null?a:void 0),renderableMeshes:e,groupedPartCandidates:s,createMeshPart:o=>Iy(o,this.rootObject),getMeshMaterialNames:mB,resourceWarnings:this.resourceWarnings})}getSelectedPartInfo(){var r;let e=(r=this.focusedObject)!=null?r:this._lastPickResult.mesh instanceof zi?this._lastPickResult.mesh:null;if(!e)return null;let t=this.rootObject?this.getRenderableMeshes(this.rootObject):[],i=this.rootObject?this.getChildRenderableMeshMap(this.rootObject):void 0;return gB(e,this.rootObject,t,i)}exportSelectedPartInfo(){let e=this.getSelectedPartInfo();return e?FT(e):""}getPickWorldPoint(e){return e.pickedPoint&&typeof e.pickedPoint=="object"?Nt(e.pickedPoint):e.mesh instanceof zi?Er(Ps(e.mesh)):null}onPick(e){return this._onPickCallbacks.push(e),()=>{this._onPickCallbacks=this._onPickCallbacks.filter(t=>t!==e)}}resetView(){this.rootObject&&Dy(this.rootObject),this.resetDisassembly(),this.clearFocusedMesh(),this.clearSelectionHighlight(),this.switchCameraMode(this.initialCameraMode),this.camera.position.copy(this.initialPosition),this.controls.target.copy(this.initialTarget),this.camera.lookAt(this.controls.target),this.camera instanceof dr&&(this.camera.fov=this.initialFov),this.camera.zoom=this.initialZoom,this.camera.updateProjectionMatrix(),this.controls.update(),this.markDirty(),this.renderNow(performance.now())}toggleFocusSelection(){var t;let e=!this.focusSelectionEnabled;return e&&((t=this.disassembly)!=null&&t.isEnabled())&&this.disassembly.setEnabled(!1),this.focusSelectionEnabled=e,this.focusSelectionEnabled?(this.clearSelectionHighlight(),this._lastPickResult.mesh instanceof zi&&this.setFocusedObject(this._lastPickResult.mesh)):this.clearFocusedMesh(),this.markDirty(),this.focusSelectionEnabled}isFocusSelectionEnabled(){return this.focusSelectionEnabled}setWireframe(e){e!==this.wireframeEnabled&&(this.wireframeEnabled=e,this.applyWireframe(e),this.markDirty())}toggleWireframe(){return this.setWireframe(!this.wireframeEnabled),this.wireframeEnabled}applyWireframe(e){if(this.rootObject)for(let t of this.getRenderableMeshes(this.rootObject))if(e){this.wireframeOriginalMaterials.set(t.id,t.material);let r=Ds(t.material).map(s=>{if(s instanceof vn){let a=new Jn({color:s.color,transparent:s.transparent,opacity:s.opacity,side:s.side,visible:s.visible});return a.wireframe=!0,a}if("wireframe"in s){let a=s.clone();return a.wireframe=!0,a}return s});t.material=Array.isArray(t.material)?r:r[0]}else{let i=this.wireframeOriginalMaterials.get(t.id);i&&(t.material=i),this.wireframeOriginalMaterials.delete(t.id)}}toggleOrientationGizmo(){if(!this.axesHelper){this.axesHelper=new Lu(1.2),this.axesHelper.visible=!1;let e=this.axesHelper.material;e.depthTest=!1,e.depthWrite=!1,this.axesHelper.renderOrder=999,this.scene.add(this.axesHelper)}return this.axesHelper.visible=!this.axesHelper.visible,this.axesHelper.position.copy(this.controls.target),this.markDirty(),this.axesHelper.visible}isOrientationGizmoEnabled(){var e;return!!((e=this.axesHelper)!=null&&e.visible)}toggleBoundingBox(){var e;return this.bboxEnabled=!this.bboxEnabled,this.bboxEnabled?(this.ensureBoundingBoxHelper(),this.markDirty(),!!this.bboxHelper):((e=this.bboxHelper)==null||e.removeFromParent(),this.bboxHelper=null,this.markDirty(),!1)}hasAnimations(){return this.mixer!==null}toggleAnimation(){return this.mixer?(this.animationPlaying=!this.animationPlaying,this.mixer.timeScale=this.animationPlaying?1:0,this.markDirty(),this.animationPlaying):!1}toggleMeasurement(){return this.measurementActive=!this.measurementActive,this.measurementActive||this.cancelPendingMeasurement(),this.measurementActive}isMeasurementActive(){return this.measurementActive}clearMeasurements(){this.disposeMeasurementOverlays(!1)}disposeMeasurementOverlays(e){var t;e&&(this.measurementActive=!1),this.cancelPendingMeasurement(!1);for(let i of this.measurementSegments){i.line.removeFromParent(),i.line.geometry.dispose(),i.line.material.dispose(),i.label.removeFromParent();let r=i.label.material;(t=r.map)==null||t.dispose(),r.dispose()}this.measurementSegments=[];for(let i of this.measurementMarkers){i.removeFromParent(),i.geometry.dispose();let r=i.material;if(Array.isArray(r))for(let s of r)s.dispose();else r.dispose()}this.measurementMarkers=[],this.markDirty()}setMeasurementScale(e){this.measurementScale=ig(e),this.updateMeasurementLabels()}getMeasurementScale(){return{...this.measurementScale}}setMeasurementUnit(e){this.measurementUnit=kT(e),this.updateMeasurementLabels()}getMeasurementUnit(){return this.measurementUnit}getMeasurementBounds(){if(!this.rootObject)return null;let e=Ps(this.rootObject);return ji(e)}getMeasurementRecords(){return this.createMeasurementRecords()}exportMeasurements(){return HT(this.createMeasurementRecords())}updateMeasurementLabels(){var t;if(this.measurementSegments.length===0)return;let e=this.getMeasurementMarkerSize()*4;for(let i of this.measurementSegments){let r=Ku(this.createMeasurementReading(i.start,i.end));i.label.removeFromParent();let s=i.label.material;(t=s.map)==null||t.dispose(),s.dispose();let a=new se().addVectors(i.start,i.end).multiplyScalar(.5);i.label=this.createMeasurementLabelSprite(r,a,e),this.scene.add(i.label)}this.markDirty()}setRenderQuality(e,t=this.renderScale){this.quality=e,this.renderScale=t,this.applyShadowQuality(),this.resizeRenderer()}setRenderScale(e){return this.renderScale=Math.min(2,Math.max(.25,e)),this.resizeRenderer(),Number(this.renderScale.toFixed(2))}getPerformanceSnapshot(){let e=this.smoothness.snapshot(),t=this.getQualitySnapshot();return{backend:"three",renderScale:Number(this.renderScale.toFixed(2)),quality:this.quality,pixelRatio:Number(this.renderer.getPixelRatio().toFixed(2)),interactivePixelRatioActive:this.interactivePixelRatioActive,renderDirty:this.renderDirty,renderObserverCount:this.renderObservers.size,renderObserverSettleFrames:this.renderObserverSettleFrames,frameBudgetPixelRatioScale:Number(this.frameBudgetPixelRatioScale.toFixed(2)),frameBudgetObserverStride:this.frameBudgetObserverStride,frameBudgetShadowDeferred:this.frameBudgetShadowDeferred,lastFrameDurationMs:Number(this.lastFrameDurationMs.toFixed(2)),averageRenderMs:e.averageRenderMs,p95RenderMs:e.p95RenderMs,maxRenderMs:e.maxRenderMs,renderedFrameCount:e.renderedFrameCount,slowFrameCount:e.slowFrameCount,idleFrameSkipCount:e.idleFrameSkipCount,adaptiveScaleChangeCount:e.adaptiveScaleChangeCount,viewportVisible:this.viewportVisible,disposalAudit:{...this.lastDisposalAudit},meshCount:t.geometry.meshCount,qualitySnapshot:t}}getQualitySnapshot(){let e=this.getGeometryQualityStats(),t=this.smoothness.snapshot();return{backend:"three",supportedFormats:["glb","gltf","stl","ply","obj"],colorPipeline:{outputColorSpace:String(this.renderer.outputColorSpace),toneMapping:this.renderer.toneMapping===Ms?"NoToneMapping":String(this.renderer.toneMapping),textureCount:this.textureAudit.textureCount,colorTextureCount:this.textureAudit.colorTextureCount,srgbColorTextureCount:this.textureAudit.srgbColorTextureCount},geometry:e,camera:{near:Number(this.camera.near.toPrecision(6)),far:Number(this.camera.far.toPrecision(6)),nearFarRatio:Number((this.camera.far/Math.max(this.camera.near,Number.EPSILON)).toPrecision(6))},performance:{renderScale:Number(this.renderScale.toFixed(2)),pixelRatio:Number(this.renderer.getPixelRatio().toFixed(2)),frameBudgetPixelRatioScale:Number(this.frameBudgetPixelRatioScale.toFixed(2)),frameBudgetObserverStride:this.frameBudgetObserverStride,viewportVisible:this.viewportVisible,renderedFrameCount:t.renderedFrameCount,idleFrameSkipCount:t.idleFrameSkipCount,slowFrameCount:t.slowFrameCount,averageRenderMs:t.averageRenderMs,p95RenderMs:t.p95RenderMs,maxRenderMs:t.maxRenderMs,adaptiveScaleChangeCount:t.adaptiveScaleChangeCount}}}setExplode(e,t){this.rootObject&&(MB(this.rootObject,e,t),this.invalidateRootBoundsCache(),this.markShadowDirty(),this.markDirty())}resetExplode(){this.rootObject&&(Dy(this.rootObject),this.invalidateRootBoundsCache(),this.markShadowDirty(),this.markDirty())}focusWorldPoint(e){let t=new se(e.x,e.y,e.z),i=this.camera.position.distanceTo(this.controls.target),r=t.clone().sub(this.camera.position).normalize(),s=t.clone().sub(r.multiplyScalar(i));this.animateCamera(s,t)}toggleDisassembly(){if(this.ensureDisassembly(),!this.disassembly)return!1;let e=!this.disassembly.isEnabled();e&&(this.focusSelectionEnabled=!1,this.clearFocusedMesh(),this.clearSelectionHighlight());let t=this.disassembly.setEnabled(e);return t||this.disassembly.reset(),t}resetDisassembly(){var e;(e=this.disassembly)==null||e.reset(),this.invalidateRootBoundsCache()}isDisassemblyEnabled(){var e,t;return(t=(e=this.disassembly)==null?void 0:e.isEnabled())!=null?t:!1}ensureDisassembly(){if(this.disassemblySetup||(this.disassemblySetup=!0,!this.rootObject))return;let e=this.getRenderableMeshes(this.rootObject);e.length!==0&&(this.disassembly=TB(this.scene,this.camera,this.renderer.domElement,this.rootObject,e,this.controls,()=>{this.invalidateRootBoundsCache(),this.markShadowDirty(),this.markDirty()},this.getChildRenderableMeshMap(this.rootObject)))}animateCamera(e,t){cancelAnimationFrame(this.cameraAnimHandle);let i=this.camera.position.clone(),r=this.controls.target.clone(),s=500,a=performance.now(),o=()=>{let l=performance.now()-a,c=Math.min(1,l/s),f=c<.5?4*c*c*c:1-Math.pow(-2*c+2,3)/2;this.camera.position.lerpVectors(i,e,f),this.controls.target.lerpVectors(r,t,f),this.controls.update(),this.markDirty(),c<1&&(this.cameraAnimHandle=window.requestAnimationFrame(o))};this.cameraAnimHandle=window.requestAnimationFrame(o)}startRenderLoop(){if(this.renderHandle||!this.viewportVisible||this.contextLost)return;let e=()=>{if(!this.viewportVisible||this.contextLost){this.renderHandle=0;return}let t=this.renderNow(performance.now());this.renderHandle=t?window.requestAnimationFrame(e):0};this.renderHandle=window.requestAnimationFrame(e)}renderNow(e){var l,c,f;let t=this.renderer.domElement;if(!this.viewportVisible||!t.isConnected||t.clientWidth<=0||t.clientHeight<=0)return!1;let i=Math.max(0,(e-this.clock.last)/1e3);this.clock.last=e;let r=this.controls.update(),s=!!this.mixer&&this.animationPlaying;if(s&&this.mixer&&(this.mixer.update(i),this.markShadowDirty()),this.restoreInteractivePixelRatioIfIdle(e,r),!r&&!s&&!this.renderDirty)return this.smoothness.recordIdleFrameSkip(),this.renderObserverSettleFrames>0&&(this.renderObserverSettleFrames--,this.notifyRenderObservers()),this.shouldContinueRenderLoop(r,s);this.renderDirty=!1,this.setRenderObserverSettleFrames(),(l=this.bboxHelper)==null||l.update(),(c=this.selectionHelper)==null||c.update(),(f=this.focusHelper)==null||f.update(),this.axesHelper&&this.axesHelper.visible&&this.axesHelper.position.copy(this.controls.target);let a=performance.now();this.renderer.render(this.scene,this.camera);let o=performance.now()-a;return this.smoothness.recordRenderedFrame(o,DB),this.updateFrameBudget(o),this.notifyRenderObservers(),this.shouldContinueRenderLoop(r,s)}shouldContinueRenderLoop(e,t){return yB({cameraMoved:e,animating:t,renderDirty:this.renderDirty,renderObserverCount:this.renderObservers.size,renderObserverSettleFrames:this.renderObserverSettleFrames})}notifyRenderObservers(){if(!(this.frameBudgetObserverStride>1&&(this.frameBudgetObserverCursor=(this.frameBudgetObserverCursor+1)%this.frameBudgetObserverStride,this.frameBudgetObserverCursor!==0)))for(let e of this.renderObservers)e()}markDirty(){this.renderDirty=!0,this.startRenderLoop()}markShadowDirty(){if(!this.renderer.shadowMap.enabled){this.frameBudgetShadowDeferred=!1,this.renderer.shadowMap.needsUpdate=!1;return}if(this.shouldDeferShadowRefresh()){this.frameBudgetShadowDeferred=!0;return}this.frameBudgetShadowDeferred=!1,this.renderer.shadowMap.needsUpdate=!0}prepareInteractiveFrameBudget(){let e=performance.now();this.interactionPixelRatioDeadline=e+ioe,this.activateInteractivePixelRatio()&&this.resizeRenderer()}activateInteractivePixelRatio(){if(this.interactivePixelRatioActive)return!1;let e=this.computePixelRatio(!1);return this.computePixelRatio(!0)>=e?!1:(this.interactivePixelRatioActive=!0,!0)}restoreInteractivePixelRatioIfIdle(e,t){!this.interactivePixelRatioActive||t||e=DB?(this.frameBudgetSlowStreak++,this.frameBudgetFastStreak=0):e<=noe?(this.frameBudgetFastStreak++,this.frameBudgetSlowStreak=0):(this.frameBudgetSlowStreak=0,this.frameBudgetFastStreak=0),this.frameBudgetSlowStreak>=soe){this.frameBudgetSlowStreak=0;let t=Math.max(coe,this.frameBudgetPixelRatioScale*ooe);t=aoe&&this.frameBudgetPixelRatioScale<1&&(this.frameBudgetFastStreak=0,this.frameBudgetPixelRatioScale=Math.min(1,this.frameBudgetPixelRatioScale*loe),this.frameBudgetObserverStride=Math.max(1,this.frameBudgetObserverStride-1),this.setRenderObserverSettleFrames(),this.smoothness.recordAdaptiveScaleChange(),this.resizeRenderer())}}resetFrameBudget(){let e=this.frameBudgetPixelRatioScale!==1||this.frameBudgetObserverStride!==1;this.frameBudgetPixelRatioScale=1,this.frameBudgetSlowStreak=0,this.frameBudgetFastStreak=0,this.frameBudgetObserverStride=1,this.frameBudgetObserverCursor=0,this.setRenderObserverSettleFrames(),e&&this.markDirty()}setRenderObserverSettleFrames(e=PB){this.renderObserverSettleFrames=this.renderObservers.size>0?e:0}shouldDeferShadowRefresh(){return this.interactivePixelRatioActive&&this.frameBudgetPixelRatioScale<=foe}resizeRenderer(){let e=this.renderer.domElement,t=Math.max(1,Math.round(e.clientWidth||e.width||1)),i=Math.max(1,Math.round(e.clientHeight||e.height||1));this.renderer.setPixelRatio(this.computePixelRatio()),this.renderer.setSize(t,i,!1),this.camera instanceof bs?this.updateOrthographicFrustum(t/i):this.camera.aspect=t/i,this.camera.updateProjectionMatrix(),this.markDirty()}computeOrthographicViewSpan(){var i;if(!this.rootObject)return 2;let e=(i=this.getRootPreviewBounds())!=null?i:Ps(this.rootObject),t=ji(e);return Math.max(Math.max(t.x,t.y,t.z,Number.EPSILON)*1.2,.001)}updateOrthographicFrustum(e){if(!(this.camera instanceof bs))return;let i=this.computeOrthographicViewSpan()/2,r=i*e;this.camera.left=-r,this.camera.right=r,this.camera.top=i,this.camera.bottom=-i}updateOrthographicFrustumForCamera(e,t){let r=this.computeOrthographicViewSpan()/2,s=r*t;e.left=-s,e.right=s,e.top=r,e.bottom=-r,e.updateProjectionMatrix()}switchCameraMode(e){if(this.cameraMode===e&&(e==="perspective"&&this.camera instanceof dr||e==="orthographic"&&this.camera instanceof bs))return;let t=this.renderer.domElement,i=Math.max(1,Math.round(t.clientWidth||t.width||1)),r=Math.max(1,Math.round(t.clientHeight||t.height||1)),s=i/r,a=this.camera,o=a.position.clone(),l=this.controls.target.clone(),c=a.zoom||1,f=a.near,d=a.far;if(this.scene.remove(a),e==="orthographic"){let h=new bs(-1,1,1,-1,f,d);h.position.copy(o),h.zoom=c,h.lookAt(l),this.updateOrthographicFrustumForCamera(h,s),this.camera=h}else{let h=new dr(this.initialFov,s,f,d);h.position.copy(o),h.zoom=c,h.lookAt(l),this.camera=h}this.scene.add(this.camera),this.controls.object=this.camera,this.controls.target.copy(l),this.controls.update(),this.cameraMode=e}applyCameraConfig(e){var i;let t=(i=e.mode)!=null?i:this.cameraMode;e.mode&&(this.initialCameraMode=e.mode),this.switchCameraMode(t),this.camera instanceof dr&&typeof e.fov=="number"&&Number.isFinite(e.fov)&&(this.camera.fov=e.fov,this.initialFov=e.fov),e.position&&(this.camera.position.set(...e.position),this.initialPosition.set(...e.position)),e.lookAt&&(this.controls.target.set(...e.lookAt),this.camera.lookAt(this.controls.target),this.initialTarget.set(...e.lookAt)),typeof e.near=="number"&&Number.isFinite(e.near)&&(this.camera.near=e.near),typeof e.far=="number"&&Number.isFinite(e.far)&&(this.camera.far=e.far),typeof e.zoom=="number"&&Number.isFinite(e.zoom)&&(this.camera.zoom=e.zoom,this.initialZoom=e.zoom),this.camera.updateProjectionMatrix(),this.controls.update(),this.markDirty()}applyLightConfig(e){for(let i of this.configLights)this.disposeConfiguredLight(i);this.configLights.length=0;let t=e.length>0;for(let i of this.defaultLights)i.visible=!t;for(let i of e){let r=this.createConfiguredLight(i);r&&(this.configLights.push(r),r.parent!==this.camera&&this.scene.add(r))}this.syncShadowFeatures(),this.updateShadowFraming(),this.markShadowDirty(),this.markDirty()}applySceneConfig(e){if(this.sceneConfig={...this.sceneConfig,...e},e.transparent!==void 0||e.background!==void 0)if(this.sceneConfig.transparent)this.scene.background=null,this.renderer.setClearColor(iA,0);else if(this.sceneConfig.background){let t=new ft(this.sceneConfig.background);this.scene.background=t,this.renderer.setClearColor(t,1)}else this.scene.background=iA,this.renderer.setClearColor(iA,1);typeof e.autoRotate=="boolean"&&(this.controls.autoRotate=e.autoRotate),typeof e.autoRotateSpeed=="number"&&(this.controls.autoRotateSpeed=e.autoRotateSpeed),typeof e.axis=="boolean"&&this.syncAxisHelper(e.axis),this.syncSceneHelpers(),this.syncShadowFeatures(),this.markDirty()}installDefaultLighting(){let e=new Pu(16777215,.96);e.name="default-global-ambient";let t=new Cu(16777215,7172736,.34);t.name="default-hemi",this.defaultLights.push(e,t);for(let i of this.defaultLights)this.scene.add(i)}installGlobalEnvironment(){this.disposeGlobalEnvironment();let e=new ku(this.renderer),t=new vT;this.environmentTarget=e.fromScene(t,.04),this.scene.environment=this.environmentTarget.texture,this.scene.environmentIntensity=.48,t.dispose(),e.dispose()}disposeGlobalEnvironment(){var e;this.scene.environment=null,(e=this.environmentTarget)==null||e.dispose(),this.environmentTarget=null}createConfiguredLight(e){var r,s,a,o,l,c,f;let t=e.color?new ft(e.color):new ft(16777215),i=(r=e.intensity)!=null?r:1;switch(e.type){case"ambient":return new Pu(t,i);case"hemisphere":{let d=e.groundColor?new ft(e.groundColor):new ft(4473924);return new Cu(t,d,i)}case"directional":{let d=new Zo(t,i),h=(s=e.position)!=null?s:[-1,2,1],u=(a=e.target)!=null?a:[0,0,0];return d.position.set(...h),d.target.position.set(...u),this.scene.add(d.target),d.castShadow=!!e.castShadow,d}case"point":{let d=new so(t,i),h=(o=e.position)!=null?o:[0,5,0];return d.position.set(...h),d.castShadow=!!e.castShadow,typeof e.decay=="number"&&(d.decay=e.decay),d}case"spot":{let d=new kl(t,i),h=(l=e.position)!=null?l:[0,5,0],u=(c=e.target)!=null?c:[0,0,0];return d.position.set(...h),d.target.position.set(...u),this.scene.add(d.target),d.angle=e.angle?e.angle*Math.PI/180:Math.PI/4,d.penumbra=(f=e.penumbra)!=null?f:.5,typeof e.decay=="number"&&(d.decay=e.decay),d.castShadow=!!e.castShadow,d}case"attachToCam":{let d=new so(t,i);return this.camera.add(d),d}default:return null}}disposeConfiguredLight(e){(e instanceof Zo||e instanceof kl)&&e.target.removeFromParent(),e.removeFromParent(),e.dispose()}prepareModelForQuality(e){let t=this.renderer.capabilities.getMaxAnisotropy(),i=new Set;for(let r of e)for(let s of Ds(r.material))i.has(s.uuid)||(i.add(s.uuid),this.prepareMaterialForQuality(s,t))}prepareMaterialForQuality(e,t){hoe(this.textureAudit,yT(e,t))}applyShadowQuality(){let e=this.shadowMapSize(),t=!1;for(let i of this.allLights())!Ly(i)||!i.castShadow||(i.shadow.mapSize.set(e,e),i.shadow.bias=-12e-5,i.shadow.normalBias=.018,i.shadow.needsUpdate=!0,t=!0);t&&(this.syncShadowFeatures(),this.markShadowDirty(),this.markDirty())}updateShadowFraming(e=this.getRootPreviewBounds()){if(!this.rootObject||!e)return;let t=Er(e),i=ji(e),r=Math.max(i.x,i.y,i.z,Number.EPSILON),s=Math.max(r*1.8,.001),a=new se(t.x,t.y,t.z),o=!1;for(let l of this.allLights())if(!(!Ly(l)||!l.castShadow)){if(this.ensureMeshShadowFlags(),l.shadow.mapSize.set(this.shadowMapSize(),this.shadowMapSize()),l.shadow.bias=-12e-5,l.shadow.normalBias=.018,l instanceof Zo){let c=l.position.clone().sub(l.target.position);if(c.lengthSq()<.001&&c.set(4,7,5),l.target.position.copy(a),l.target.parent||this.scene.add(l.target),l.position.copy(a).add(c.normalize().multiplyScalar(s*2.4)),l.shadow.camera instanceof bs){let f=l.shadow.camera;f.left=-s,f.right=s,f.top=s,f.bottom=-s,f.near=.1,f.far=s*5,f.updateProjectionMatrix()}}l.shadow.needsUpdate=!0,o=!0}o&&this.markShadowDirty()}shadowMapSize(){return this.quality==="low"?512:this.quality==="medium"?1024:2048}allLights(){return[...this.defaultLights,...this.configLights]}hasActiveShadowFeatures(){return!!this.sceneConfig.groundShadow||this.allLights().some(e=>Ly(e)&&e.castShadow)}syncShadowFeatures(){let e=this.hasActiveShadowFeatures();if(this.renderer.shadowMap.enabled!==e&&(this.renderer.shadowMap.enabled=e),!e){this.frameBudgetShadowDeferred=!1,this.renderer.shadowMap.needsUpdate=!1;return}this.ensureMeshShadowFlags(),this.renderer.shadowMap.needsUpdate=!0}ensureMeshShadowFlags(){if(!(!this.rootObject||this.meshShadowFlagsPrepared)){for(let e of this.getRenderableObjects(this.rootObject))Ra(e)&&(e.castShadow=!0,e.receiveShadow=!0);this.meshShadowFlagsPrepared=!0}}syncSceneHelpers(){this.sceneConfig.groundShadow?this.createGroundShadow():this.removeGroundShadow(),this.sceneConfig.grid?this.createGrid():this.removeGrid(),typeof this.sceneConfig.axis=="boolean"&&this.syncAxisHelper(this.sceneConfig.axis)}syncAxisHelper(e){if(!this.axesHelper){this.axesHelper=new Lu(1.2);let t=this.axesHelper.material;t.depthTest=!1,t.depthWrite=!1,this.axesHelper.renderOrder=999,this.scene.add(this.axesHelper)}this.axesHelper.visible=e,this.axesHelper.position.copy(this.controls.target)}createGroundShadow(){var l;if(!this.rootObject||this.groundShadowMesh)return;this.ensureMeshShadowFlags();let e=(l=this.getRootPreviewBounds())!=null?l:Ps(this.rootObject),t=Er(e),i=ji(e),r=Math.max(i.x,i.z,Number.EPSILON),s=Math.max(r*3,.001),a=e.min.y-Math.max(s*.002,1e-5),o=new li(new Od(s,s),new I_({color:0,opacity:$ae,transparent:!0}));o.name="ai3d-ground-shadow",o.rotation.x=-Math.PI/2,o.position.set(t.x,a,t.z),o.receiveShadow=!0,o.renderOrder=-1,this.scene.add(o),this.groundShadowMesh=o}removeGroundShadow(){if(this.groundShadowMesh){this.groundShadowMesh.removeFromParent(),this.groundShadowMesh.geometry.dispose();for(let e of Ds(this.groundShadowMesh.material))e.dispose();this.groundShadowMesh=null}}createGrid(){var o;if(!this.rootObject||this.gridHelper)return;let e=(o=this.getRootPreviewBounds())!=null?o:Ps(this.rootObject),t=Er(e),i=ji(e),r=Math.max(i.x,i.z,Number.EPSILON),s=Math.max(r*2,.001),a=new w_(s,20,7305093,3423046);a.name="ai3d-grid",a.position.set(t.x,e.min.y-Math.max(s*.003,1e-5),t.z);for(let l of Ds(a.material))l.transparent=!0,l.opacity=.42;this.scene.add(a),this.gridHelper=a}removeGrid(){if(this.gridHelper){this.gridHelper.removeFromParent(),this.gridHelper.geometry.dispose();for(let e of Ds(this.gridHelper.material))e.dispose();this.gridHelper=null}}dispatchPick(e){var c,f,d;if(!this.rootObject||(c=this.disassembly)!=null&&c.isEnabled())return;let t=this.renderer.domElement.getBoundingClientRect();this.pointer.x=(e.clientX-t.left)/t.width*2-1,this.pointer.y=-((e.clientY-t.top)/t.height)*2+1,this.raycaster.setFromCamera(this.pointer,this.camera);let i=this.raycaster.intersectObjects(this.getRenderableObjects(this.rootObject),!1)[0],r=qu(i==null?void 0:i.object)?i.object:null,s=this.getRenderableMeshes(this.rootObject),a=this.getChildRenderableMeshMap(this.rootObject),o=r?KT(this.rootObject,r,s,a):null,l={mesh:o,pickedPoint:(d=(f=i==null?void 0:i.point)==null?void 0:f.clone())!=null?d:null,screenX:e.clientX,screenY:e.clientY};if(this._lastPickResult=l,this.measurementActive&&(i!=null&&i.point)){this.addMeasurementPoint(i.point.clone());return}this.focusSelectionEnabled&&o?(this.clearSelectionHighlight(),this.focusedObject!==o&&this.setFocusedObject(o)):this.focusSelectionEnabled?this.clearSelectionHighlight():this.updateSelectionHighlight(o),this._onPickCallbacks.forEach(h=>h(l))}clearLoadedModel(e="model-switch"){var t,i;if((t=this.disassembly)==null||t.dispose(),this.disassembly=null,this.disassemblySetup=!1,this.meshShadowFlagsPrepared=!1,this.invalidateMeshCache(),this.markDirty(),this.clearFocusedMesh(),this.clearSelectionHighlight(),this.disposeMeasurementOverlays(!0),this.wireframeEnabled=!1,this.wireframeOriginalMaterials.clear(),this.stlMaterial=null,(i=this.bboxHelper)==null||i.removeFromParent(),this.bboxHelper=null,this.bboxEnabled=!1,this.removeGroundShadow(),this.removeGrid(),this.mixer=null,this.animationPlaying=!1,!this.rootObject){this.lastDisposalAudit={reason:e,meshCount:0,geometryCount:0,materialCount:0,textureCount:0,objectCount:0,timestamp:performance.now()};return}this.scene.remove(this.rootObject),this.lastDisposalAudit=this.disposeObjectGraph(this.rootObject,e),this.rootObject=null,this.markShadowDirty()}disposeObjectGraph(e,t){let i=new Set,r=new Set,s=new Set,a=0,o=0;return e.traverse(l=>{if(o++,!qu(l))return;Ra(l)&&a++;let c=l.geometry;c&&!i.has(c.uuid)&&(c.dispose(),i.add(c.uuid));for(let f of Ds(l.material))this.disposeMaterialWithTextures(f,r,s)}),{reason:t,meshCount:a,geometryCount:i.size,materialCount:r.size,textureCount:s.size,objectCount:o,timestamp:performance.now()}}disposeMaterialWithTextures(e,t,i){if(t.has(e.uuid))return;let r=e;for(let s of Object.values(r))if(s instanceof br&&!i.has(s.uuid))s.dispose(),i.add(s.uuid);else if(Array.isArray(s))for(let a of s)a instanceof br&&!i.has(a.uuid)&&(a.dispose(),i.add(a.uuid));e.dispose(),t.add(e.uuid)}fitCameraToObject(e,t){var l;let i=(l=t!=null?t:this.getRootPreviewBounds(e))!=null?l:Ps(e),r=rB(i);this.initialTarget.set(r.target.x,r.target.y,r.target.z),this.initialPosition.set(r.position.x,r.position.y,r.position.z),this.initialFov=45;let s=ji(i),a=Math.max(s.x,s.y,s.z,Number.EPSILON),o=this.initialPosition.distanceTo(this.initialTarget);this.controls.minDistance=Math.max(r.near*4,a*.02,1e-5),this.controls.maxDistance=Math.max(o*8,this.controls.minDistance*10),this.raycaster.params.Points={threshold:Math.max(a*.01,1e-5)},this.raycaster.params.Line={threshold:Math.max(a*.002,1e-5)},this.occlusionRaycaster.params.Points={threshold:Math.max(a*.006,1e-5)},this.occlusionRaycaster.params.Line={threshold:Math.max(a*.001,1e-5)},this.resetView(),this.axesHelper&&(this.axesHelper.position.copy(this.controls.target),this.axesHelper.scale.setScalar(Math.max(a*.25,5e-4))),this.camera.near=r.near,this.camera.far=r.far,this.camera.updateProjectionMatrix(),this.markDirty()}getAnnotationCameraStateKey(){return VT([{value:this.camera.position.x,digits:3},{value:this.camera.position.y,digits:3},{value:this.camera.position.z,digits:3},{value:this.controls.target.x,digits:2},{value:this.controls.target.y,digits:2},{value:this.controls.target.z,digits:2},{value:this.camera instanceof dr?this.camera.fov:this.camera.zoom,digits:this.camera instanceof dr?2:3}])}projectAnnotationWorldPoint(e,t){let i=this.renderer.domElement;return!i.isConnected||i.clientWidth===0||i.clientHeight===0?!1:(this.scene.updateMatrixWorld(),this.camera.updateMatrixWorld(),this.annotationProjection.set(e.x,e.y,e.z).project(this.camera),cB(this.annotationProjection,i,t))}isAnnotationWorldPointOccluded(e){if(!this.rootObject)return!1;let t=Yc(Nt(this.camera.position),e);if(!t)return!1;this.rootObject.updateWorldMatrix(!0,!0),this.annotationDirection.set(t.direction.x,t.direction.y,t.direction.z),this.occlusionRaycaster.set(this.camera.position,this.annotationDirection),this.occlusionRaycaster.far=t.distance;let i=this.occlusionRaycaster.intersectObjects(this.getRenderableObjects(this.rootObject),!1)[0];return!!i&&Xc(i.distance,t.distance,t.epsilon)}getRenderableMeshes(e){if(this.cachedMeshes&&this.cachedMeshRoot===e)return this.cachedMeshes;let t=[];return e.traverse(i=>{Ra(i)&&i.geometry&&t.push(i)}),this.cachedMeshes=t,this.cachedMeshRoot=e,t}getRenderableObjects(e){if(this.cachedRenderables&&this.cachedRenderableRoot===e)return this.cachedRenderables;let t=[];return e.traverse(i=>{qu(i)&&i.geometry&&t.push(i)}),this.cachedRenderables=t,this.cachedRenderableRoot=e,t}getChildRenderableMeshMap(e){return this.cachedChildMeshMap&&this.cachedChildMeshMapRoot===e?this.cachedChildMeshMap:(this.cachedChildMeshMap=$u(e,this.getRenderableMeshes(e)),this.cachedChildMeshMapRoot=e,this.cachedChildMeshMap)}getGeometryQualityStats(){var e;return this.rootObject?(this.cachedGeometryQualityStats||(this.cachedGeometryQualityStats=EB(this.rootObject,this.getRenderableObjects(this.rootObject),(e=this.getRootPreviewBounds())!=null?e:void 0)),this.cachedGeometryQualityStats):{meshCount:0,pointCloudCount:0,smallPartCount:0,smallestPartSpan:null,modelSpan:null}}invalidateMeshCache(){this.cachedMeshes=null,this.cachedMeshRoot=null,this.cachedRenderables=null,this.cachedRenderableRoot=null,this.cachedChildMeshMap=null,this.cachedChildMeshMapRoot=null,this.invalidateRootBoundsCache()}invalidateRootBoundsCache(){this.cachedRootPreviewBounds=null,this.cachedRootPreviewBoundsObject=null,this.cachedGeometryQualityStats=null}getRootPreviewBounds(e=this.rootObject){return e?this.cachedRootPreviewBounds&&this.cachedRootPreviewBoundsObject===e?this.cachedRootPreviewBounds:(this.cachedRootPreviewBounds=Ps(e),this.cachedRootPreviewBoundsObject=e,this.cachedRootPreviewBounds):null}ensureBoundingBoxHelper(){var e;this.rootObject&&((e=this.bboxHelper)==null||e.removeFromParent(),this.bboxHelper=new Wl(this.rootObject,16436245),this.scene.add(this.bboxHelper))}updateSelectionHighlight(e){var t;if(!this.rootObject||!e){this.clearSelectionHighlight();return}this.highlightedObject===e&&this.selectionHelper||((t=this.selectionHelper)==null||t.removeFromParent(),this.selectionHelper=new Wl(e,4890367),this.scene.add(this.selectionHelper),this.highlightedObject=e,this.markDirty())}setFocusedObject(e){var r,s;if(!this.rootObject||!e){this.clearFocusedMesh();return}if(this.focusedObject===e)return;let t=this.getRenderableMeshes(this.rootObject),i=Ra(e)?[e]:(r=this.getChildRenderableMeshMap(this.rootObject).get(e))!=null?r:[];if(i.length===0&&!qu(e)){this.clearFocusedMesh();return}this.originalMaterials.size===0?this.applyInitialFocusMaterials(t,i):this.applyFocusSelectionDelta(i),(s=this.focusHelper)==null||s.removeFromParent(),this.focusHelper=new Wl(e,3065087),this.scene.add(this.focusHelper),this.focusedObject=e,this.focusedSelectedMeshes.clear();for(let a of i)this.focusedSelectedMeshes.set(a.id,a);this.markDirty()}clearFocusedMesh(){var e;this.restoreFocusedMaterials(),this.disposeFocusDimMaterials(),this.originalMaterials.clear(),this.focusedSelectedMeshes.clear(),(e=this.focusHelper)==null||e.removeFromParent(),this.focusHelper=null,this.focusedObject=null,this.markDirty()}restoreFocusedMaterials(){if(this.rootObject)for(let e of this.getRenderableMeshes(this.rootObject)){let t=this.originalMaterials.get(e.id);t&&(e.material=t)}}applyInitialFocusMaterials(e,t){let i=new Set(t.map(r=>r.id));for(let r of e)this.originalMaterials.set(r.id,r.material),!i.has(r.id)&&(r.material=this.focusDimMaterialCache.get(r.material))}applyFocusSelectionDelta(e){var i,r;let t=new Set(e.map(s=>s.id));for(let[s,a]of this.focusedSelectedMeshes){if(t.has(s))continue;let o=(i=this.originalMaterials.get(s))!=null?i:a.material;this.originalMaterials.has(s)||this.originalMaterials.set(s,o),a.material=this.focusDimMaterialCache.get(o)}for(let s of e){let a=(r=this.originalMaterials.get(s.id))!=null?r:s.material;this.originalMaterials.has(s.id)||this.originalMaterials.set(s.id,a),s.material=a}}disposeFocusDimMaterials(){this.focusDimMaterialCache.clear()}clearSelectionHighlight(){var e;(e=this.selectionHelper)==null||e.removeFromParent(),this.selectionHelper=null,this.highlightedObject=null,this.markDirty()}getMeasurementMarkerSize(){var r;if(!this.rootObject)return .02;let e=(r=this.getRootPreviewBounds())!=null?r:Ps(this.rootObject),t=ji(e);return Math.max(t.x,t.y,t.z,.001)*.015}cancelPendingMeasurement(e=!0){var r,s;let t=this.pendingMarker,i=(s=(r=this.pendingPoint)==null?void 0:r.clone())!=null?s:null;if(this.pendingPoint=null,this.pendingMarker=null,this.hoveredMarkerIndex=-1,this.removePreviewLine(),t&&i&&!this.isMeasurementPointUsed(i)){let a=this.measurementMarkers.indexOf(t);a>=0&&this.measurementMarkers.splice(a,1),this.disposeMeasurementMarker(t)}else t&&(t.scale.setScalar(1),t.material.color.setHex(16739179));e&&this.markDirty()}isMeasurementPointUsed(e){return this.measurementSegments.some(t=>t.start.distanceTo(e)<1e-4||t.end.distanceTo(e)<1e-4)}disposeMeasurementMarker(e){e.removeFromParent(),e.geometry.dispose();let t=e.material;if(Array.isArray(t))for(let i of t)i.dispose();else t.dispose()}findNearestMarkerIndex(e){let t=this.getMeasurementMarkerSize()*2.5;for(let i=0;i=0?this.measurementMarkers[t].position.clone():e;if(this.pendingPoint){if(i.distanceTo(this.pendingPoint)<1e-4)return;if(t<0){let r=this.getMeasurementMarkerSize(),s=new yu(r,16,16),a=new Jn({color:16739179,depthTest:!1}),o=new li(s,a);o.position.copy(i),o.renderOrder=999,this.scene.add(o),this.measurementMarkers.push(o)}this.createMeasurementSegment(this.pendingPoint,i),this.pendingMarker&&(this.pendingMarker.scale.setScalar(1),this.pendingMarker.material.color.setHex(16739179)),this.pendingPoint=null,this.pendingMarker=null,this.removePreviewLine()}else{if(t<0){let r=this.getMeasurementMarkerSize(),s=new yu(r,16,16),a=new Jn({color:16739179,depthTest:!1}),o=new li(s,a);o.position.copy(i),o.renderOrder=999,this.scene.add(o),this.measurementMarkers.push(o),this.pendingMarker=o}else this.pendingMarker=this.measurementMarkers[t];this.pendingMarker.scale.setScalar(1.6),this.pendingMarker.material.color.setHex(5361510),this.pendingPoint=i,this.ensurePreviewLine()}this.markDirty()}createMeasurementSegment(e,t){let i=new Xi().setFromPoints([e,t]),r=new Xo(i,new Dn({color:16739179,depthTest:!1}));r.renderOrder=998,this.scene.add(r);let s=Ku(this.createMeasurementReading(e,t)),a=new se().addVectors(e,t).multiplyScalar(.5),o=this.createMeasurementLabelSprite(s,a,this.getMeasurementMarkerSize()*4);this.scene.add(o),this.measurementSegments.push({start:e,end:t,line:r,label:o})}createMeasurementLabelSprite(e,t,i){let r=activeDocument.createEl("canvas"),s=r.getContext("2d");r.width=640,r.height=160,s.fillStyle="rgba(32, 36, 46, 0.9)",s.beginPath(),s.roundRect(0,0,640,160,18),s.fill(),s.strokeStyle="#ff6b6b",s.lineWidth=4,s.stroke(),s.fillStyle="#ffffff",s.textAlign="center",s.textBaseline="middle",s.font="bold 46px sans-serif",s.fillText(e.primary,320,58),s.font="28px sans-serif",s.fillStyle="rgba(255, 255, 255, 0.82)",s.fillText(e.secondary,320,112);let a=new b_(r),o=new Ru({map:a,depthTest:!1}),l=new S_(o);return l.position.copy(t),l.scale.set(i*5,i*1.25,1),l.renderOrder=1e3,l}ensurePreviewLine(){if(this.previewLine)return;let e=new Xi().setFromPoints([new se,new se]);this.previewLine=new Xo(e,new Dn({color:16777215,transparent:!0,opacity:.5,depthTest:!1})),this.previewLine.renderOrder=997,this.scene.add(this.previewLine)}updatePreviewLine(){if(this.previewLineUpdateHandle=0,!this.pendingPoint||!this.previewLine||!this.rootObject)return;let e=this.renderer.domElement.getBoundingClientRect();this.pointer.x=(this.lastPointerClient.x-e.left)/e.width*2-1,this.pointer.y=-((this.lastPointerClient.y-e.top)/e.height)*2+1,this.raycaster.setFromCamera(this.pointer,this.camera);let t=this.raycaster.intersectObjects(this.getRenderableObjects(this.rootObject),!1)[0],i;t!=null&&t.point?i=t.point.clone():i=this.pendingPoint.clone().add(this.raycaster.ray.direction.clone().multiplyScalar(5));let r=this.previewLine.geometry.getAttribute("position");r.setXYZ(0,this.pendingPoint.x,this.pendingPoint.y,this.pendingPoint.z),r.setXYZ(1,i.x,i.y,i.z),r.needsUpdate=!0,this.previewLine.geometry.computeBoundingSphere(),this.markDirty()}schedulePreviewLineUpdate(){this.previewLineUpdateHandle||(this.previewLineUpdateHandle=window.requestAnimationFrame(()=>this.updatePreviewLine()))}cancelPreviewLineUpdate(){this.previewLineUpdateHandle&&(window.cancelAnimationFrame(this.previewLineUpdateHandle),this.previewLineUpdateHandle=0)}removePreviewLine(){this.cancelPreviewLineUpdate(),this.previewLine&&(this.previewLine.removeFromParent(),this.previewLine.geometry.dispose(),this.previewLine.material.dispose(),this.previewLine=null)}createMeasurementReading(e,t){return WT(this.toMeasurementPoint(e),this.toMeasurementPoint(t),this.measurementScale,this.measurementUnit)}createMeasurementRecords(){return this.measurementSegments.map((e,t)=>({index:t+1,start:this.toMeasurementPoint(e.start),end:this.toMeasurementPoint(e.end),reading:this.createMeasurementReading(e.start,e.end)}))}toMeasurementPoint(e){return{x:e.x,y:e.y,z:e.z}}}});var moe,Oy,Ny,ie,hi=I(()=>{moe=typeof WeakRef!="undefined",Oy=class{constructor(e,t=!1,i,r){this.initialize(e,t,i,r)}initialize(e,t=!1,i,r){return this.mask=e,this.skipNextObservers=t,this.target=i,this.currentTarget=r,this}},Ny=class{constructor(e,t,i=null){this.callback=e,this.mask=t,this.scope=i,this._willBeUnregistered=!1,this.unregisterOnNextCall=!1,this._remove=null}remove(e=!1){this._remove&&this._remove(e)}},ie=class n{static FromPromise(e,t){let i=new n;return e.then(r=>{i.notifyObservers(r)}).catch(r=>{if(t)t.notifyObservers(r);else throw r}),i}get observers(){return this._observers}constructor(e,t=!1){this.notifyIfTriggered=t,this._observers=new Array,this._numObserversMarkedAsDeleted=0,this._hasNotified=!1,this._eventState=new 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i!==-1?(t&&this._numObserversMarkedAsDeleted--,this._observers.splice(i,1),!0):!1}makeObserverTopPriority(e){this._remove(e,!1),this._observers.unshift(e)}makeObserverBottomPriority(e){this._remove(e,!1),this._observers.push(e)}notifyObservers(e,t=-1,i,r,s){if(this.notifyIfTriggered&&(this._hasNotified=!0,this._lastNotifiedValue=e),!this._observers.length)return!0;let a=this._eventState;a.mask=t,a.target=i,a.currentTarget=r,a.skipNextObservers=!1,a.lastReturnValue=e,a.userInfo=s;for(let o of this._observers)if(!o._willBeUnregistered&&(o.mask&t&&(o.unregisterOnNextCall&&this._deferUnregister(o),o.scope?a.lastReturnValue=o.callback.apply(o.scope,[e,a]):a.lastReturnValue=o.callback(e,a)),a.skipNextObservers))return!1;return!0}notifyObserver(e,t,i=-1){if(this.notifyIfTriggered&&(this._hasNotified=!0,this._lastNotifiedValue=t),e._willBeUnregistered)return;let r=this._eventState;r.mask=i,r.skipNextObservers=!1,e.unregisterOnNextCall&&this._deferUnregister(e),e.callback(t,r)}hasObservers(){return this._observers.length-this._numObserversMarkedAsDeleted>0}clear(){for(;this._observers.length;){let e=this._observers.pop();e&&(e._remove=null)}this._onObserverAdded=null,this._numObserversMarkedAsDeleted=0,this.cleanLastNotifiedState()}cleanLastNotifiedState(){this._hasNotified=!1,this._lastNotifiedValue=void 0}clone(){let e=new n;return e._observers=this._observers.slice(0),e}hasSpecificMask(e=-1){for(let t of this._observers)if(t.mask&e||t.mask===e)return!0;return!1}}});var nA,wB=I(()=>{nA=class{get wrapU(){return this._cachedWrapU}set wrapU(e){this._cachedWrapU=e}get wrapV(){return this._cachedWrapV}set wrapV(e){this._cachedWrapV=e}get wrapR(){return this._cachedWrapR}set wrapR(e){this._cachedWrapR=e}get anisotropicFilteringLevel(){return this._cachedAnisotropicFilteringLevel}set anisotropicFilteringLevel(e){this._cachedAnisotropicFilteringLevel=e}get comparisonFunction(){return this._comparisonFunction}set comparisonFunction(e){this._comparisonFunction=e}get useMipMaps(){return this._useMipMaps}set useMipMaps(e){this._useMipMaps=e}constructor(){this.samplingMode=-1,this._useMipMaps=!0,this._cachedWrapU=null,this._cachedWrapV=null,this._cachedWrapR=null,this._cachedAnisotropicFilteringLevel=null,this._comparisonFunction=0}setParameters(e=1,t=1,i=1,r=1,s=2,a=0){return this._cachedWrapU=e,this._cachedWrapV=t,this._cachedWrapR=i,this._cachedAnisotropicFilteringLevel=r,this.samplingMode=s,this._comparisonFunction=a,this}compareSampler(e){return this._cachedWrapU===e._cachedWrapU&&this._cachedWrapV===e._cachedWrapV&&this._cachedWrapR===e._cachedWrapR&&this._cachedAnisotropicFilteringLevel===e._cachedAnisotropicFilteringLevel&&this.samplingMode===e.samplingMode&&this._comparisonFunction===e._comparisonFunction&&this._useMipMaps===e._useMipMaps}}});var FB,Oi,Ls=I(()=>{hi();wB();(function(n){n[n.Unknown=0]="Unknown",n[n.Url=1]="Url",n[n.Temp=2]="Temp",n[n.Raw=3]="Raw",n[n.Dynamic=4]="Dynamic",n[n.RenderTarget=5]="RenderTarget",n[n.MultiRenderTarget=6]="MultiRenderTarget",n[n.Cube=7]="Cube",n[n.CubeRaw=8]="CubeRaw",n[n.CubePrefiltered=9]="CubePrefiltered",n[n.Raw3D=10]="Raw3D",n[n.Raw2DArray=11]="Raw2DArray",n[n.DepthStencil=12]="DepthStencil",n[n.CubeRawRGBD=13]="CubeRawRGBD",n[n.Depth=14]="Depth"})(FB||(FB={}));Oi=class n extends nA{get useMipMaps(){return this._useMipMaps===null?this.generateMipMaps:this._useMipMaps}set useMipMaps(e){this._useMipMaps=e}get uniqueId(){return this._uniqueId}_setUniqueId(e){this._uniqueId=e}getEngine(){return this._engine}get source(){return this._source}constructor(e,t,i=!1){super(),this.isReady=!1,this.isCube=!1,this.is3D=!1,this.is2DArray=!1,this.isMultiview=!1,this.url="",this.generateMipMaps=!1,this._useMipMaps=null,this.mipLevelCount=1,this.samples=0,this.type=-1,this.format=-1,this.onLoadedObservable=new ie,this.onErrorObservable=new ie,this.onRebuildCallback=null,this.width=0,this.height=0,this.depth=0,this.baseWidth=0,this.baseHeight=0,this.baseDepth=0,this.invertY=!1,this._invertVScale=!1,this._associatedChannel=-1,this._source=0,this._buffer=null,this._bufferView=null,this._bufferViewArray=null,this._bufferViewArrayArray=null,this._size=0,this._extension="",this._files=null,this._workingCanvas=null,this._workingContext=null,this._cachedCoordinatesMode=null,this._isDisabled=!1,this._compression=null,this._sphericalPolynomial=null,this._sphericalPolynomialPromise=null,this._sphericalPolynomialComputed=!1,this._lodGenerationScale=0,this._lodGenerationOffset=0,this._useSRGBBuffer=!1,this._creationFlags=0,this._lodTextureHigh=null,this._lodTextureMid=null,this._lodTextureLow=null,this._isRGBD=!1,this._linearSpecularLOD=!1,this._irradianceTexture=null,this._hardwareTexture=null,this._maxLodLevel=null,this._references=1,this._gammaSpace=null,this._premulAlpha=!1,this._dynamicTextureSource=null,this._autoMSAAManagement=!1,this._engine=e,this._source=t,this._uniqueId=n._Counter++,i||(this._hardwareTexture=e._createHardwareTexture())}incrementReferences(){this._references++}updateSize(e,t,i=1){this._engine.updateTextureDimensions(this,e,t,i),this.width=e,this.height=t,this.depth=i,this.baseWidth=e,this.baseHeight=t,this.baseDepth=i,this._size=e*t*i}_rebuild(){var t,i;if(this.isReady=!1,this._cachedCoordinatesMode=null,this._cachedWrapU=null,this._cachedWrapV=null,this._cachedWrapR=null,this._cachedAnisotropicFilteringLevel=null,this.onRebuildCallback){let r=this.onRebuildCallback(this),s=a=>{a._swapAndDie(this,!1),this.isReady=r.isReady};r.isAsync?r.proxy.then(s):s(r.proxy);return}let e;switch(this.source){case 2:break;case 1:e=this._engine.createTexture((t=this._originalUrl)!=null?t:this.url,!this.generateMipMaps,this.invertY,null,this.samplingMode,r=>{r._swapAndDie(this,!1),this.isReady=!0},null,this._buffer,void 0,this.format,this._extension,void 0,void 0,void 0,this._useSRGBBuffer);return;case 3:if(e=this._engine.createRawTexture(this._bufferView,this.baseWidth,this.baseHeight,this.format,this.generateMipMaps,this.invertY,this.samplingMode,this._compression,this.type,this._creationFlags,this._useSRGBBuffer,this.mipLevelCount),e._swapAndDie(this,!1),this._bufferViewArray)for(let r=0;r{e._swapAndDie(this,!1),this.isReady=!0},null,this.format,this._extension,!1,0,0,null,void 0,this._useSRGBBuffer,ArrayBuffer.isView(this._buffer)?this._buffer:null);return;case 8:e=this._engine.createRawCubeTexture(this._bufferViewArray,this.width,(i=this._originalFormat)!=null?i:this.format,this.type,this.generateMipMaps,this.invertY,this.samplingMode,this._compression),e._swapAndDie(this,!1),this.isReady=!0;break;case 13:return;case 9:e=this._engine.createPrefilteredCubeTexture(this.url,null,this._lodGenerationScale,this._lodGenerationOffset,r=>{r&&r._swapAndDie(this,!1),this.isReady=!0},null,this.format,this._extension),e._sphericalPolynomial=this._sphericalPolynomial;return;case 12:case 14:break}}_swapAndDie(e,t=!0){var s;(s=this._hardwareTexture)==null||s.setUsage(e._source,this.generateMipMaps,this.is2DArray,this.isCube,this.is3D,this.width,this.height,this.depth),e._hardwareTexture=this._hardwareTexture,t&&(e._isRGBD=this._isRGBD),this._lodTextureHigh&&(e._lodTextureHigh&&e._lodTextureHigh.dispose(),e._lodTextureHigh=this._lodTextureHigh),this._lodTextureMid&&(e._lodTextureMid&&e._lodTextureMid.dispose(),e._lodTextureMid=this._lodTextureMid),this._lodTextureLow&&(e._lodTextureLow&&e._lodTextureLow.dispose(),e._lodTextureLow=this._lodTextureLow),this._irradianceTexture&&(e._irradianceTexture&&e._irradianceTexture.dispose(),e._irradianceTexture=this._irradianceTexture);let i=this._engine.getLoadedTexturesCache(),r=i.indexOf(this);r!==-1&&i.splice(r,1),r=i.indexOf(e),r===-1&&i.push(e)}dispose(){this._references--,this._references===0&&(this.onLoadedObservable.clear(),this.onErrorObservable.clear(),this._engine._releaseTexture(this),this._hardwareTexture=null,this._dynamicTextureSource=null)}};Oi._Counter=0});var Oe,Ni=I(()=>{hi();Oe=class{static get LastCreatedEngine(){return this.Instances.length===0?null:this.Instances[this.Instances.length-1]}static get LastCreatedScene(){return this._LastCreatedScene}};Oe.Instances=[];Oe.OnEnginesDisposedObservable=new ie;Oe._LastCreatedScene=null;Oe.UseFallbackTexture=!0;Oe.FallbackTexture=""});var ee,Pt=I(()=>{ee=class n{static _CheckLimit(e,t){let i=n._LogLimitOutputs[e];return i?i.current++:(i={limit:t,current:1},n._LogLimitOutputs[e]=i),i.current<=i.limit}static _GenerateLimitMessage(e,t=1){var s;let i=n._LogLimitOutputs[e];if(!i||!n.MessageLimitReached)return;let 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