@babylonjs/viewer
Version:
The Babylon Viewer aims to simplify a specific but common Babylon.js use case: loading, viewing, and interacting with a 3D model.
72 lines • 225 kB
JavaScript
class e extends Error{}e._setPrototypeOf=Object.setPrototypeOf||((e,t)=>(e.__proto__=t,e));class t extends e{constructor(n="Operation aborted"){super(n),this.name="AbortError",e._setPrototypeOf(this,t.prototype)}}class n{get resolve(){return this._resolve}get reject(){return this._reject}constructor(){this.promise=new Promise((e,t)=>{this._resolve=e,this._reject=t})}}class i{constructor(){this._currentOperation=Promise.resolve()}lockAsync(e,t){t?.throwIfAborted();const n=t?()=>(t.throwIfAborted(),e()):e,i=this._currentOperation.then(n);return this._currentOperation=new Promise(e=>{i.then(()=>e(),e)}),i}static async LockAsync(e,t,i){if(i?.throwIfAborted(),0===t.length)return await e();const r=new n;let s=0;for(const n of t)n.lockAsync(async()=>(s++,s===t.length&&r.resolve(await e()),await r.promise),i).catch(e=>r.reject(e));return await r.promise}}class r{static _CheckLimit(e,t){let n=r._LogLimitOutputs[e];return 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ClearLogCache(){r._LogCache="",r._LogLimitOutputs={},r.errorsCount=0}static set LogLevels(e){r.Log=r._LogDisabled,r.Warn=r._LogDisabled,r.Error=r._LogDisabled;const t=[r.MessageLogLevel,r.WarningLogLevel,r.ErrorLogLevel];for(const n of t)if((e&n)===n){const e=this._Levels[n];r[e.name]=r._LogEnabled.bind(r,n)}}}r.NoneLogLevel=0,r.MessageLogLevel=1,r.WarningLogLevel=2,r.ErrorLogLevel=4,r.AllLogLevel=7,r.MessageLimitReached="Too many %TYPE%s (%LIMIT%), no more %TYPE%s will be reported for this message.",r._LogCache="",r._LogLimitOutputs={},r._Levels=[{},{color:"white",logFunc:console.log,name:"Log"},{color:"orange",logFunc:console.warn,name:"Warn"},{},{color:"red",logFunc:console.error,name:"Error"}],r.errorsCount=0,r.Log=r._LogEnabled.bind(r,r.MessageLogLevel),r.Warn=r._LogEnabled.bind(r,r.WarningLogLevel),r.Error=r._LogEnabled.bind(r,r.ErrorLogLevel);const s="undefined"!=typeof WeakRef;class o{constructor(e,t=!1,n,i){this.initialize(e,t,n,i)}initialize(e,t=!1,n,i){return 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o._remove=(e=!1)=>{const t=l.deref();t&&(e?t.remove(o):t._remove(o))},o}addOnce(e){return this.add(e,void 0,void 0,void 0,!0)}remove(e){if(!e)return!1;e._remove=null;return-1!==this._observers.indexOf(e)&&(this._deferUnregister(e),!0)}removeCallback(e,t){for(let n=0;n<this._observers.length;n++){const i=this._observers[n];if(!i._willBeUnregistered&&(i.callback===e&&(!t||t===i.scope)))return this._deferUnregister(i),!0}return!1}_deferUnregister(e){e._willBeUnregistered||(this._numObserversMarkedAsDeleted++,e.unregisterOnNextCall=!1,e._willBeUnregistered=!0,setTimeout(()=>{this._remove(e)},0))}_remove(e,t=!0){if(!e)return!1;const n=this._observers.indexOf(e);return-1!==n&&(t&&this._numObserversMarkedAsDeleted--,this._observers.splice(n,1),!0)}makeObserverTopPriority(e){this._remove(e,!1),this._observers.unshift(e)}makeObserverBottomPriority(e){this._remove(e,!1),this._observers.push(e)}notifyObservers(e,t=-1,n,i,r){if(this.notifyIfTriggered&&(this._hasNotified=!0,this._lastNotifiedValue=e),!this._observers.length)return!0;const s=this._eventState;s.mask=t,s.target=n,s.currentTarget=i,s.skipNextObservers=!1,s.lastReturnValue=e,s.userInfo=r;for(const n of this._observers)if(!n._willBeUnregistered&&(n.mask&t&&(n.unregisterOnNextCall&&this._deferUnregister(n),n.scope?s.lastReturnValue=n.callback.apply(n.scope,[e,s]):s.lastReturnValue=n.callback(e,s)),s.skipNextObservers))return!1;return!0}notifyObserver(e,t,n=-1){if(this.notifyIfTriggered&&(this._hasNotified=!0,this._lastNotifiedValue=t),e._willBeUnregistered)return;const i=this._eventState;i.mask=n,i.skipNextObservers=!1,e.unregisterOnNextCall&&this._deferUnregister(e),e.callback(t,i)}hasObservers(){return this._observers.length-this._numObserversMarkedAsDeleted>0}clear(){for(;this._observers.length;){const 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(){const e=new l;return e._observers=this._observers.slice(0),e}hasSpecificMask(e=-1){for(const t of this._observers)if(t.mask&e||t.mask===e)return!0;return!1}}function c(...e){for(const t of e)t?.throwIfAborted()}function u(e){(async()=>{try{await e}catch(e){e instanceof t||r.Error(e)}})()}const h=["none","normal","high"],d=["none","standard","aces","neutral"];function p(e){return d.includes(e)}class _{constructor(){this.screenPosition=[NaN,NaN],this.worldPosition=[NaN,NaN,NaN],this.visibility=NaN}}const f={clearColor:[0,0,0,0],autoSuspendRendering:!0,environmentConfig:{intensity:1,blur:.3,rotation:0},environmentLighting:"auto",environmentSkybox:"none",cameraAutoOrbit:{enabled:!1,delay:2e3,speed:.05},animationAutoPlay:!1,animationSpeed:1,shadowConfig:{quality:"none"},postProcessing:{toneMapping:"neutral",contrast:1,exposure:1,ssao:"auto"},useRightHandedSystem:!1,useOpenPBR:!1},m=Math.PI/2,g=Math.PI/2.4;class b{constructor(){this.onEnvironmentChanged=new l,this.onEnvironmentConfigurationChanged=new l,this.onEnvironmentError=new l,this.onShadowsConfigurationChanged=new l,this.onPostProcessingChanged=new l,this.onModelChanged=new l,this.onModelError=new l,this.onLoadingProgressChanged=new l,this.onCameraAutoOrbitChanged=new l,this.onSelectedAnimationChanged=new l,this.onAnimationSpeedChanged=new l,this.onIsAnimationPlayingChanged=new l,this.onAnimationProgressChanged=new l,this.onSelectedMaterialVariantChanged=new l,this.onHotSpotsChanged=new l,this.onCamerasAsHotSpotsChanged=new l,this.onAfterRenderObservable=new l,this.onClearColorChanged=new l,this._loadOperations=new Set,this._isDisposed=!1,this._loadEnvironmentLightingLock=new i,this._loadEnvironmentLightingAbortController=null,this._loadEnvironmentSkyboxLock=new i,this._loadEnvironmentSkyboxAbortController=null,this._environmentIntensity=f.environmentConfig.intensity,this._environmentBlur=f.environmentConfig.blur,this._environmentRotation=f.environmentConfig.rotation,this._autoOrbitEnabled=f.cameraAutoOrbit.enabled,this._autoOrbitSpeed=f.cameraAutoOrbit.speed,this._autoOrbitDelay=f.cameraAutoOrbit.delay,this._clearColor={r:0,g:0,b:0,a:0},this._hotSpots={},this._loadModelLock=new i,this._loadModelAbortController=null,this._updateShadowsLock=new i,this._shadowsAbortController=null,this._shadowQuality=f.shadowConfig.quality}get loadingProgress(){if(this._loadOperations.size>0){let e=0;for(const t of this._loadOperations){if(null==t.progress)return!0;e+=t.progress}return e/this._loadOperations.size}return!1}_beginLoadOperation(){const e=this;let t=null;const n={get progress(){return t},set progress(n){t=n,e.onLoadingProgressChanged.notifyObservers()},dispose:()=>{e._loadOperations.delete(n),e.onLoadingProgressChanged.notifyObservers()}};return this._loadOperations.add(n),this.onLoadingProgressChanged.notifyObservers(),n}_throwIfDisposedOrAborted(...e){if(this._isDisposed)throw new Error("Viewer is disposed.");c(...e)}get _loadEnvironmentLightingAbortSignal(){return this._loadEnvironmentLightingAbortController?.signal}get _loadEnvironmentSkyboxAbortSignal(){return this._loadEnvironmentSkyboxAbortController?.signal}async loadEnvironment(e,t,n){return await this._updateEnvironment(e,t,n)}async resetEnvironment(e,t){return await this._updateEnvironment(void 0,e,t)}async _updateEnvironment(e,n,r){this._throwIfDisposedOrAborted(r);const s=!n||!!n.lighting,o=!n||!!n.skybox;if(!s&&!o)return;const a={...n,lighting:s,skybox:o},l=[],u=[];if(s){this._loadEnvironmentLightingAbortController?.abort(new t("New environment lighting is being loaded before previous environment lighting finished loading."));const e=this._loadEnvironmentLightingAbortController=new AbortController;l.push(this._loadEnvironmentLightingLock),u.push(e)}if(o){this._loadEnvironmentSkyboxAbortController?.abort(new t("New environment skybox is being loaded before previous environment skybox finished loading."));const e=this._loadEnvironmentSkyboxAbortController=new AbortController;l.push(this._loadEnvironmentSkyboxLock),u.push(e)}const h=new AbortController,d=()=>{u.every(e=>e.signal.aborted)&&h.abort(new t(u.map(e=>e.signal.reason).join(" | ")))};for(const e of u)e.signal.addEventListener("abort",d);try{await i.LockAsync(async()=>{c(r,h.signal),await this._loadEnvironmentImpl(e?.trim()??e,a,r,h.signal)},l)}finally{for(const e of u)e.signal.removeEventListener("abort",d)}}get environmentConfig(){return{intensity:this._environmentIntensity,blur:this._environmentBlur,rotation:this._environmentRotation}}set environmentConfig(e){void 0!==e.blur&&e.blur!==this._environmentBlur&&(this._environmentBlur=e.blur,this._applyEnvironmentBlur()),void 0!==e.intensity&&e.intensity!==this._environmentIntensity&&(this._environmentIntensity=e.intensity,this._applyEnvironmentIntensity()),void 0!==e.rotation&&e.rotation!==this._environmentRotation&&(this._environmentRotation=e.rotation,this._applyEnvironmentRotation()),this.onEnvironmentConfigurationChanged.notifyObservers()}get cameraAutoOrbit(){return{enabled:this._autoOrbitEnabled,speed:this._autoOrbitSpeed,delay:this._autoOrbitDelay}}set cameraAutoOrbit(e){let t=!1;void 0!==e.enabled&&e.enabled!==this._autoOrbitEnabled&&(this._autoOrbitEnabled=e.enabled,this._applyCameraAutoOrbitEnabled(),t=!0),void 0!==e.speed&&e.speed!==this._autoOrbitSpeed&&(this._autoOrbitSpeed=e.speed,this._applyCameraAutoOrbitSpeed(),t=!0),void 0!==e.delay&&e.delay!==this._autoOrbitDelay&&(this._autoOrbitDelay=e.delay,this._applyCameraAutoOrbitDelay(),t=!0),t&&this.onCameraAutoOrbitChanged.notifyObservers()}get clearColor(){return this._clearColor}set clearColor(e){this._clearColor.r=e.r,this._clearColor.g=e.g,this._clearColor.b=e.b,this._clearColor.a=e.a,this._applyClearColor(),this.onClearColorChanged.notifyObservers()}get hotSpots(){return this._hotSpots}set hotSpots(e){this._hotSpots=e,this.onHotSpotsChanged.notifyObservers()}get _loadModelAbortSignal(){return this._loadModelAbortController?.signal}async loadModel(e,t,n){return await this._updateModel(e,t,n)}async resetModel(e){return await this._updateModel(void 0,void 0,e)}async _updateModel(e,n,i){this._throwIfDisposedOrAborted(i),this._loadModelAbortController?.abort(new t("New model is being loaded before previous model finished loading."));const r=this._loadModelAbortController=new AbortController;await this._loadModelLock.lockAsync(async()=>{c(i,r.signal),await this._loadModelImpl(e,n,i,r.signal)}),r.signal.aborted||await this._afterLoadModel(e,n,i,r.signal)}async _afterLoadModel(e,t,n,i){}get _shadowsAbortSignal(){return this._shadowsAbortController?.signal}get shadowConfig(){return{quality:this._shadowQuality}}async updateShadows(e,t){if(void 0===e.quality||e.quality===this._shadowQuality)return;const n=this._shadowQuality;this._shadowQuality=e.quality;try{await this._updateShadows(this._shadowQuality,t)}catch(t){throw this._shadowQuality===e.quality&&(this._shadowQuality=n),t}this.onShadowsConfigurationChanged.notifyObservers()}async _updateShadows(e=this._shadowQuality,n){this._throwIfDisposedOrAborted(n),this._shadowsAbortController?.abort(new t("Shadows quality is being changed before previous shadows finished initializing."));const i=this._shadowsAbortController=new AbortController;await this._updateShadowsLock.lockAsync(async()=>{c(n,i.signal),await this._updateShadowsImpl(e,n,i.signal)})}dispose(){this._loadEnvironmentLightingAbortController?.abort(new t("The viewer is being disposed.")),this._loadEnvironmentLightingAbortController=null,this._loadEnvironmentSkyboxAbortController?.abort(new t("The viewer is being disposed.")),this._loadEnvironmentSkyboxAbortController=null,this._loadModelAbortController?.abort(new t("The viewer is being disposed.")),this._loadModelAbortController=null,this._shadowsAbortController?.abort(new t("The viewer is being disposed.")),this._shadowsAbortController=null,this.onEnvironmentChanged.clear(),this.onEnvironmentConfigurationChanged.clear(),this.onEnvironmentError.clear(),this.onShadowsConfigurationChanged.clear(),this.onPostProcessingChanged.clear(),this.onModelChanged.clear(),this.onModelError.clear(),this.onLoadingProgressChanged.clear(),this.onCameraAutoOrbitChanged.clear(),this.onSelectedAnimationChanged.clear(),this.onAnimationSpeedChanged.clear(),this.onIsAnimationPlayingChanged.clear(),this.onAnimationProgressChanged.clear(),this.onSelectedMaterialVariantChanged.clear(),this.onHotSpotsChanged.clear(),this.onCamerasAsHotSpotsChanged.clear(),this.onAfterRenderObservable.clear(),this.onClearColorChanged.clear(),this._isDisposed=!0}reset(...e){this._reset(!0,...e)}_reset(e,...t){const n=0===t.length;(n||t.includes("source"))&&this._resetModel(),(n||t.includes("environment"))&&this._resetEnvironment(),(n||t.includes("shadow"))&&this._resetShadows(),(n||t.includes("animation"))&&this._resetAnimation(),(n||t.includes("camera"))&&this._resetCamera(e),(n||t.includes("post-processing"))&&this._resetPostProcessing(),(n||t.includes("material-variant"))&&this._resetMaterialVariant()}_resetModel(){u(this._updateModel(this._options?.source))}_resetShadows(){u(this.updateShadows({quality:this._options?.shadowConfig?.quality??f.shadowConfig.quality}))}_resetMaterialVariant(){this.selectedMaterialVariant=this._options?.selectedMaterialVariant??null}}function v(e,t,n,i,r,s){function o(e){if(void 0!==e&&"function"!=typeof e)throw new TypeError("Function expected");return e}for(var a,l=i.kind,c="getter"===l?"get":"setter"===l?"set":"value",u=!t&&e?i.static?e:e.prototype:null,h=t||(u?Object.getOwnPropertyDescriptor(u,i.name):{}),d=!1,p=n.length-1;p>=0;p--){var _={};for(var f in 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/**
* @license
* Copyright 2017 Google LLC
* SPDX-License-Identifier: BSD-3-Clause
*/
const A=e=>(t,n)=>{void 0!==n?n.addInitializer(()=>{customElements.define(e,t)}):customElements.define(e,t)},M=globalThis,S=M.ShadowRoot&&(void 0===M.ShadyCSS||M.ShadyCSS.nativeShadow)&&"adoptedStyleSheets"in Document.prototype&&"replace"in CSSStyleSheet.prototype,k=Symbol(),P=new WeakMap;
/**
* @license
* Copyright 2019 Google LLC
* SPDX-License-Identifier: BSD-3-Clause
*/let E=class{constructor(e,t,n){if(this._$cssResult$=!0,n!==k)throw Error("CSSResult is not constructable. Use `unsafeCSS` or `css` instead.");this.cssText=e,this.t=t}get styleSheet(){let e=this.o;const t=this.t;if(S&&void 0===e){const n=void 0!==t&&1===t.length;n&&(e=P.get(t)),void 0===e&&((this.o=e=new CSSStyleSheet).replaceSync(this.cssText),n&&P.set(t,e))}return e}toString(){return this.cssText}};const O=(e,...t)=>{const n=1===e.length?e[0]:t.reduce((t,n,i)=>t+(e=>{if(!0===e._$cssResult$)return e.cssText;if("number"==typeof e)return e;throw Error("Value passed to 'css' function must be a 'css' function result: "+e+". Use 'unsafeCSS' to pass non-literal values, but take care to ensure page security.")})(n)+e[i+1],e[0]);return new E(n,e,k)},T=S?e=>e:e=>e instanceof CSSStyleSheet?(e=>{let t="";for(const n of e.cssRules)t+=n.cssText;return(e=>new E("string"==typeof e?e:e+"",void 0,k))(t)})(e):e,{is:B,defineProperty:L,getOwnPropertyDescriptor:I,getOwnPropertyNames:R,getOwnPropertySymbols:$,getPrototypeOf:N}=Object,V=globalThis,F=V.trustedTypes,z=F?F.emptyScript:"",D=V.reactiveElementPolyfillSupport,G=(e,t)=>e,U={toAttribute(e,t){switch(t){case Boolean:e=e?z:null;break;case Object:case Array:e=null==e?e:JSON.stringify(e)}return e},fromAttribute(e,t){let n=e;switch(t){case Boolean:n=null!==e;break;case Number:n=null===e?null:Number(e);break;case Object:case Array:try{n=JSON.parse(e)}catch(e){n=null}}return n}},j=(e,t)=>!B(e,t),W={attribute:!0,type:String,converter:U,reflect:!1,useDefault:!1,hasChanged:j};
/**
* @license
* Copyright 2017 Google LLC
* SPDX-License-Identifier: BSD-3-Clause
*/Symbol.metadata??=Symbol("metadata"),V.litPropertyMetadata??=new WeakMap;let H=class extends HTMLElement{static addInitializer(e){this._$Ei(),(this.l??=[]).push(e)}static get observedAttributes(){return this.finalize(),this._$Eh&&[...this._$Eh.keys()]}static createProperty(e,t=W){if(t.state&&(t.attribute=!1),this._$Ei(),this.prototype.hasOwnProperty(e)&&((t=Object.create(t)).wrapped=!0),this.elementProperties.set(e,t),!t.noAccessor){const n=Symbol(),i=this.getPropertyDescriptor(e,n,t);void 0!==i&&L(this.prototype,e,i)}}static getPropertyDescriptor(e,t,n){const{get:i,set:r}=I(this.prototype,e)??{get(){return this[t]},set(e){this[t]=e}};return{get:i,set(t){const s=i?.call(this);r?.call(this,t),this.requestUpdate(e,s,n)},configurable:!0,enumerable:!0}}static getPropertyOptions(e){return this.elementProperties.get(e)??W}static _$Ei(){if(this.hasOwnProperty(G("elementProperties")))return;const e=N(this);e.finalize(),void 0!==e.l&&(this.l=[...e.l]),this.elementProperties=new 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/**
* @license
* Copyright 2017 Google LLC
* SPDX-License-Identifier: BSD-3-Clause
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/**
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* Copyright 2017 Google LLC
* SPDX-License-Identifier: BSD-3-Clause
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/**
* @license
* Copyright 2017 Google LLC
* SPDX-License-Identifier: BSD-3-Clause
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/**
* @license
* Copyright 2017 Google LLC
* SPDX-License-Identifier: BSD-3-Clause
*/
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* Copyright 2017 Google LLC
* SPDX-License-Identifier: BSD-3-Clause
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* Copyright 2017 Google LLC
* SPDX-License-Identifier: BSD-3-Clause
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/**
* @license
* Copyright 2020 Google LLC
* SPDX-License-Identifier: BSD-3-Clause
*/
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/**
* @license
* Copyright 2017 Google LLC
* SPDX-License-Identifier: BSD-3-Clause
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/**
* @license
* Copyright 2017 Google LLC
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i,this._animationSliderResizeObserver=null,this._propertyBindings=[this._createPropertyBinding("clearColor",e=>e.onClearColorChanged,e=>e.clearColor=this.clearColor??{r:0,g:0,b:0,a:0},e=>this.clearColor=e.clearColor),this._createPropertyBinding("skyboxBlur",e=>e.onEnvironmentConfigurationChanged,e=>e.environmentConfig={blur:this.skyboxBlur??e.environmentConfig.blur},e=>this.skyboxBlur=e.environmentConfig.blur),this._createPropertyBinding("environmentIntensity",e=>e.onEnvironmentConfigurationChanged,e=>e.environmentConfig={intensity:this.environmentIntensity??e.environmentConfig.intensity},e=>this.environmentIntensity=e.environmentConfig.intensity),this._createPropertyBinding("environmentRotation",e=>e.onEnvironmentConfigurationChanged,e=>e.environmentConfig={rotation:this.environmentRotation??e.environmentConfig.rotation},e=>this.environmentRotation=e.environmentConfig.rotation),this._createPropertyBinding("toneMapping",e=>e.onPostProcessingChanged,e=>{this.toneMapping&&(e.postProcessing={toneMapping:this.toneMapping})},e=>this.toneMapping=e.postProcessing?.toneMapping),this._createPropertyBinding("contrast",e=>e.onPostProcessingChanged,e=>e.postProcessing={contrast:this.contrast??void 0},e=>this.contrast=e.postProcessing.contrast),this._createPropertyBinding("exposure",e=>e.onPostProcessingChanged,e=>e.postProcessing={exposure:this.exposure??void 0},e=>this.exposure=e.postProcessing.exposure),this._createPropertyBinding("ssao",e=>e.onPostProcessingChanged,e=>e.postProcessing={ssao:this.ssao??void 0},e=>this.ssao=e.postProcessing.ssao),this._createPropertyBinding("cameraAutoOrbit",e=>e.onCameraAutoOrbitChanged,e=>e.cameraAutoOrbit={enabled:this.cameraAutoOrbit},e=>this.cameraAutoOrbit=e.cameraAutoOrbit.enabled),this._createPropertyBinding("cameraAutoOrbitSpeed",e=>e.onCameraAutoOrbitChanged,e=>e.cameraAutoOrbit={speed:this.cameraAutoOrbitSpeed??void 0},e=>this.cameraAutoOrbitSpeed=e.cameraAutoOrbit.speed),this._createPropertyBinding("cameraAutoOrbitDelay",e=>e.onCameraAutoOrbitChanged,e=>e.cameraAutoOrbit={delay:this.cameraAutoOrbitDelay??void 0},e=>this.cameraAutoOrbitDelay=e.cameraAutoOrbit.delay),this._createPropertyBinding("animationSpeed",e=>e.onAnimationSpeedChanged,e=>e.animationSpeed=this.animationSpeed,e=>{let t=e.animationSpeed;t=Ye.reduce((e,n)=>Math.abs(n-t)<Math.abs(e-t)?n:e),this.animationSpeed=t,this._dispatchCustomEvent("animationspeedchange",e=>new Event(e))}),this._createPropertyBinding("selectedAnimation",e=>e.onSelectedAnimationChanged,e=>e.selectedAnimation=this.selectedAnimation??e.selectedAnimation,e=>this.selectedAnimation=e.selectedAnimation),this._createPropertyBinding("selectedMaterialVariant",e=>e.onSelectedMaterialVariantChanged,e=>e.selectedMaterialVariant=this.selectedMaterialVariant??e.selectedMaterialVariant??"",e=>this.selectedMaterialVariant=e.selectedMaterialVariant),this._createPropertyBinding("hotSpots",e=>e.onHotSpotsChanged,e=>e.hotSpots=this.hotSpots??e.hotSpots,e=>this.hotSpots=e.hotSpots),this._createPropertyBinding("camerasAsHotSpots",e=>e.onCamerasAsHotSpotsChanged,e=>e.camerasAsHotSpots=this.camerasAsHotSpots??e.camerasAsHotSpots,e=>this.camerasAsHotSpots=e.camerasAsHotSpots)],n.set(this,y(this,Ee,!1)),s.set(this,(y(this,Oe),y(this,Te,!1===this._options.autoSuspendRendering))),o.set(this,(y(this,Be),y(this,Le,this._options.source??null))),a.set(this,(y(this,Ie),y(this,Re,null))),l.set(this,(y(this,Ne),y(this,Ve,this._options.useOpenPBR??!1))),c.set(this,(y(this,Fe),y(this,ze,this._options.environmentLighting??null))),u.set(this,(y(this,De),y(this,Ge,this._options.environmentSkybox??null))),h.set(this,(y(this,Ue),y(this,je,this._options.environmentConfig?.intensity??null))),d.set(this,(y(this,We),y(this,He,this._options.environmentConfig?.rotation??null))),_.set(this,(y(this,qe),y(this,tt,null))),f.set(this,(y(this,nt),y(this,it,!1))),m.set(this,(y(this,rt),y(this,st,this._options.environmentConfig?.blur??null))),g.set(this,(y(this,ot),y(this,at,this._options.postProcessing?.toneMapping??null))),b.set(this,(y(this,lt),y(this,ct,this._options.postProcessing?.contrast??null))),w.set(this,(y(this,ut),y(this,ht,this._options.postProcessing?.exposure??null))),A.set(this,(y(this,dt),y(this,pt,this._options.postProcessing?.ssao??null))),M.set(this,(y(this,_t),y(this,ft,this._options.clearColor?{r:this._options.clearColor[0],g:this._options.clearColor[1],b:this._options.clearColor[2],a:this._options.clearColor[3]??1}:null))),S.set(this,(y(this,mt),y(this,gt,this._options.cameraAutoOrbit?.enabled??!1))),k.set(this,(y(this,bt),y(this,vt,this._options.cameraAutoOrbit?.speed??null))),P.set(this,(y(this,yt),y(this,wt,this._options.cameraAutoOrbit?.delay??null))),E.set(this,(y(this,xt),y(this,Ct,this._options.hotSpots??{}))),T.set(this,(y(this,At),y(this,Mt,!!this._options.animationAutoPlay))),B.set(this,(y(this,St),y(this,kt,this._options.selectedAnimation??null))),L.set(this,(y(this,Pt),y(this,Et,this._options.animationSpeed??1))),I.set(this,(y(this,Ot),y(this,Tt,0))),R.set(this,(y(this,Bt),y(this,Lt,[]))),$.set(this,(y(this,It),y(this,Rt,!1))),N.set(this,(y(this,$t),y(this,Nt,!0))),V.set(this,(y(this,Vt),y(this,Ft,this._options.selectedMaterialVariant??null))),F.set(this,(y(this,zt),y(this,Dt,!1))),z.set(this,(y(this,Gt),y(this,Ut,"auto"))),D.set(this,(y(this,jt),y(this,Wt,void 0))),G.set(this,(y(this,Ht),y(this,qt,void 0))),y(this,Xt),this._options=e}static get observedAttributes(){return[...super.observedAttributes,"camera-orbit","camera-target"]}queryHotSpot(e,t){return!!this._viewer&&this._viewer.queryHotSpot(e,t)}focusHotSpot(e){return!!this._viewer&&this._viewer.focusHotSpot(e)}get _isFaultedBacking(){return x(this,n,"f")}set _isFaultedBacking(e){C(this,n,e,"f")}get _isFaulted(){return this._isFaultedBacking}get renderWhenIdle(){return x(this,s,"f")}set renderWhenIdle(e){C(this,s,e,"f")}get source(){return x(this,o,"f")}set source(e){C(this,o,e,"f")}get extension(){return x(this,a,"f")}set extension(e){C(this,a,e,"f")}get useOpenPBR(){return x(this,l,"f")}set useOpenPBR(e){C(this,l,e,"f")}get environment(){return{lighting:this.environmentLighting,skybox:this.environmentSkybox}}set environment(e){this.environmentLighting=e||null,this.environmentSkybox=e||null}get environmentLighting(){return x(this,c,"f")}set environmentLighting(e){C(this,c,e,"f")}get environmentSkybox(){return x(this,u,"f")}set environmentSkybox(e){C(this,u,e,"f")}get environmentIntensity(){return x(this,h,"f")}set environmentIntensity(e){C(this,h,e,"f")}get environmentRotation(){return x(this,d,"f")}set environmentRotation(e){C(this,d,e,"f")}get shadowQuality(){return x(this,_,"f")}set shadowQuality(e){C(this,_,e,"f")}get _loadingProgress(){return x(this,f,"f")}set _loadingProgress(e){C(this,f,e,"f")}get loadingProgress(){return this._loadingProgress}get skyboxBlur(){return x(this,m,"f")}set skyboxBlur(e){C(this,m,e,"f")}get toneMapping(){return x(this,g,"f")}set toneMapping(e){C(this,g,e,"f")}get contrast(){return x(this,b,"f")}set contrast(e){C(this,b,e,"f")}get exposure(){return x(this,w,"f")}set exposure(e){C(this,w,e,"f")}get ssao(){return x(this,A,"f")}set ssao(e){C(this,A,e,"f")}get clearColor(){return x(this,M,"f")}set clearColor(e){C(this,M,e,"f")}get cameraAutoOrbit(){return x(this,S,"f")}set cameraAutoOrbit(e){C(this,S,e,"f")}get cameraAutoOrbitSpeed(){return x(this,k,"f")}set cameraAutoOrbitSpeed(e){C(this,k,e,"f")}get cameraAutoOrbitDelay(){return x(this,P,"f")}set cameraAutoOrbitDelay(e){C(this,P,e,"f")}get hotSpots(){return x(this,E,"f")}set hotSpots(e){C(this,E,e,"f")}get _hasHotSpots(){return Object.keys(this.hotSpots).length>0}get animationAutoPlay(){return x(this,T,"f")}set animationAutoPlay(e){C(this,T,e,"f")}get animations(){return this._animations}get _hasAnimations(){return this._animations.length>0}get selectedAnimation(){return x(this,B,"f")}set selectedAnimation(e){C(this,B,e,"f")}get isAnimationPlaying(){return this._isAnimationPlaying}get animationSpeed(){return x(this,L,"f")}set animationSpeed(e){C(this,L,e,"f")}get animationProgress(){return x(this,I,"f")}set animationProgress(e){C(this,I,e,"f")}get _animations(){return x(this,R,"f")}set _animations(e){C(this,R,e,"f")}get _isAnimationPlaying(){return x(this,$,"f")}set _isAnimationPlaying(e){C(this,$,e,"f")}get _showAnimationSlider(){return x(this,N,"f")}set _showAnimationSlider(e){C(this,N,e,"f")}get materialVariants(){return this._viewer?.materialVariants??[]}get selectedMaterialVariant(){return x(this,V,"f")}set selectedMaterialVariant(e){C(this,V,e,"f")}get camerasAsHotSpots(){return x(this,F,"f")}set camerasAsHotSpots(e){C(this,F,e,"f")}get resetMode(){return x(this,z,"f")}set resetMode(e){C(this,z,e,"f")}get _canvasContainer(){return x(this,D,"f")}set _canvasContainer(e){C(this,D,e,"f")}get _hotSpotSelect(){return x(this,G,"f")}set _hotSpotSelect(e){C(this,G,e,"f")}toggleAnimation(){this._viewer?.toggleAnimation()}reset(){this._reset(this.resetMode)}_reset(e){switch(e){case"auto":this._viewer?.resetCamera(void 0);break;case"reframe":this._viewer?.resetCamera(!0);break;default:this._viewer?.reset(...e)}}resetCamera(){this._reset("reframe")}reload(){this._tearDownViewer(),this._setupViewer()}connectedCallback(){super.connectedCallback(),this._setupViewer()}disconnectedCallback(){super.disconnectedCallback(),this._tearDownViewer()}attributeChangedCallback(e,t,n){if(super.attributeChangedCallback(e,t,n),this.hasUpdated)if("camera-orbit"==e){const e=Ke(n);e?this._viewer?.updateCamera({alpha:e[0],beta:e[1],radius:e[2]}):this._viewer?.resetCamera(!1)}else if("camera-target"==e){const e=Ke(n);e?this._viewer?.updateCamera({targetX:e[0],targetY:e[1],targetZ:e[2]}):this._viewer?.resetCamera(!1)}}update(e){super.update(e),this._hotSpotSelect&&(this._hotSpotSelect.value=""),this._needsReload(e)?(this._tearDownViewer(),this._setupViewer()):(this._propertyBindings.filter(t=>e.has(t.property)).forEach(e=>e.updateViewer()),(e.has("source")||e.has("useOpenPBR"))&&this._updateModel(),(e.has("environmentLighting")||e.has("environmentSkybox"))&&this._updateEnv({lighting:e.has("environmentLighting"),skybox:e.has("environmentSkybox")}),e.has("shadowQuality")&&this._updateShadows(this.shadowQuality))}_needsReload(e){return null!=e.get("renderWhenIdle")}render(){return be`<div class="full-size"><div id="canvasContainer" class="full-size"></div>${this._renderOverlay()}</div>`}_renderProgressBar(){const e=!1!==this.loadingProgress,t="boolean"==typeof this.loadingProgress?0:100*this.loadingProgress,n=!0===this.loadingProgress;return be`<div part="progress-bar" class="bar loading-progress-outer ${e?"":"loading-progress-outer-inactive"}" aria-label="Loading Progress"><div class="loading-progress-inner ${n?"loading-progress-inner-indeterminate":""}" style="${n?"":`width: ${t}%`}"></div></div>`}_renderToolbar(){let e=[];if(this._viewer?.isModelLoaded){this._hasAnimations&&e.push(be`<div class="animation-timeline"><button aria-label="${this.isAnimationPlaying?"Pause":"Play"}" @click="${this.toggleAnimation}">${this.isAnimationPlaying?be`<svg viewBox="0 0 24 24"><path d="${"M5.74609 3C4.7796 3 3.99609 3.7835 3.99609 4.75V19.25C3.99609 20.2165 4.7796 21 5.74609 21H9.24609C10.2126 21 10.9961 20.2165 10.9961 19.25V4.75C10.9961 3.7835 10.2126 3 9.24609 3H5.74609ZM14.7461 3C13.7796 3 12.9961 3.7835 12.9961 4.75V19.25C12.9961 20.2165 13.7796 21 14.7461 21H18.2461C19.2126 21 19.9961 20.2165 19.9961 19.25V4.75C19.9961 3.7835 19.2126 3 18.2461 3H14.7461Z"}" fill="currentColor"></path></svg>`:be`<svg viewBox="0 0 24 24"><path d="${"M5 5.27368C5 3.56682 6.82609 2.48151 8.32538 3.2973L20.687 10.0235C22.2531 10.8756 22.2531 13.124 20.687 13.9762L8.32538 20.7024C6.82609 21.5181 5 20.4328 5 18.726V5.27368Z"}" fill="currentColor"></path></svg>`}</button> <input ${Xe(this._onAnimationSliderChanged)} aria-label="Animation Progress" class="animation-timeline-input" style="${this._showAnimationSlider?"":"visibility: hidden"}" type="range" min="0" max="1" step="0.0001" .value="${this.animationProgress}" @input="${this._onAnimationTimelineChanged}" @pointerdown="${this._onAnimationTimelinePointerDown}"></div><select aria-label="Select Animation Speed" @change="${this._onAnimationSpeedChanged}">${Ye.map(e=>be`<option value="${e}" .selected="${this.animationSpeed===e}">${e}x</option>`)}</select> ${this.animations.length>1?be`<select aria-label="Select Animation" @change="${this._onSelectedAnimationChanged}">${this.animations.map((e,t)=>be`<option value="${t}" .selected="${this.selectedAnimation===t}">${e}</option>`)}</select>`:""}`),this.materialVariants.length>1&&e.push(be`<select aria-label="Select Material Variant" @change="${this._onMaterialVariantChanged}">${this.materialVariants.map(e=>be`<option value="${e}" .selected="${this.selectedMaterialVariant===e}">${e}</option>`)}</select>`),e.push(be`<button aria-label="Reset Camera Pose" @click="${this.reset}"><svg viewBox="0 0 24 24"><path d="${"M7.20711 2.54289C7.59763 2.93342 7.59763 3.56658 7.20711 3.95711L5.41421 5.75H13.25C17.6683 5.75 21.25 9.33172 21.25 13.75C21.25 18.1683 17.6683 21.75 13.25 21.75C8.83172 21.75 5.25 18.1683 5.25 13.75C5.25 13.1977 5.69772 12.75 6.25 12.75C6.80228 12.75 7.25 13.1977 7.25 13.75C7.25 17.0637 9.93629 19.75 13.25 19.75C16.5637 19.75 19.25 17.0637 19.25 13.75C19.25 10.4363 16.5637 7.75 13.25 7.75H5.41421L7.20711 9.54289C7.59763 9.93342 7.59763 10.5666 7.20711 10.9571C6.81658 11.3476 6.18342 11.3476 5.79289 10.9571L2.29289 7.45711C1.90237 7.06658 1.90237 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16.4183 4 12 4Z"}" fill="currentColor"></path></svg></button></div>`);const t=e.length,n=be`<div class="divider"></div>`;e=e.reduce((e,i,r)=>r<t-1?[...e,i,n]:[...e,i],new Array)}return e.length>0?be`<div part="tool-bar" class="bar ${this._hasAnimations?"":"bar-min"} tool-bar">${e}</div>`:be``}_renderReloadButton(){return be`${this._isFaulted?be`<button aria-label="Reload" part="reload-button" class="reload-button" @click="${this.reload}"><svg viewBox="0 0 24 24"><path d="${"M5 12C5 8.13401 8.13401 5 12 5C13.32 5 14.5542 5.36484 15.608 6H15C14.4477 6 14 6.44772 14 7C14 7.55228 14.4477 8 15 8H18C18.5523 8 19 7.55228 19 7C19 6 19 5 19 4C19 3.44772 18.5523 3 18 3C17.4477 3 17 3.44772 17 4V4.51575C15.5702 3.5588 13.85 3 12 3C7.02944 3 3 7.02944 3 12C3 16.9706 7.02944 21 12 21C16.9706 21 21 16.9706 21 12C21 11.6199 20.9764 11.2448 20.9304 10.8763C20.8621 10.3282 20.3624 9.93935 19.8144 10.0077C19.2663 10.076 18.8775 10.5757 18.9458 11.1237C18.9815 11.4104 19 11.7028 19 12C19 15.866 15.866 19 12 19C8.13401 19 5 15.866 5 12Z"}" fill="currentColor"></path></svg></button>`:""}`}_renderOverlay(){return be`<slot class="full-size children-slot"></slot><slot name="progress-bar">${this._renderProgressBar()}</slot><slot name="tool-bar">${this._renderToolbar()}</slot><slot name="reload-button">${this._renderReloadButton()}</slot>`}_dispatchCustomEvent(e,t){this.dispatchEvent(t(e))}_onSelectedAnimationChanged(e){const t=e.target;this.selectedAnimation=Number(t.value)}_onAnimationSpeedChanged(e){const t=e.target;this.animationSpeed=Number(t.value)}_onAnimationTimelineChanged(e){if(this._viewer){const t=e.target,n=Number(t.value);n!==this.animationProgress&&(this._viewer.animationProgress=n)}}_onAnimationTimelinePointerDown(e){if(this._viewer?.isAnimationPlaying){this._viewer.pauseAnimation();e.target.addEventListener("pointerup",()=>this._viewer?.playAnimation(),{once:!0})}}_onMaterialVariantChanged(e){const t=e.target;this.selectedMaterialVariant=t.value}_onHotSpotsChanged(e){const t=e.target,n=t.value;t.value="",this.focusHotSpot(n)}_onAnimationSliderChanged(e){this._animationSliderResizeObserver?.disconnect(),e&&(this._animationSliderResizeObserver=new ResizeObserver(()=>{this._showAnimationSlider=e.clientWidth>=80}),this._animationSliderResizeObserver.observe(e))}_createPropertyBinding(e,t,n,i){const s=e=>{try{n(e)}catch(e){r.Error(e)}};return{property:e,onInitialized:e=>{t(e).add(()=>{i(e)}),s(e)},updateViewer:()=>{this._viewer&&s(this._viewer)}}}async _setupViewer(){await this._viewerLock.lockAsync(async()=>{if(this._canvasContainer||await this.updateComplete,this._canvasContainer&&!this._viewer){const e=document.createElement("canvas");e.className="full-size canvas",e.setAttribute("touch-action","none"),this._canvasContainer.appendChild(e);const t=this,n=new Proxy(this._options,{get(e,n){switch(n){case"autoSuspendRendering":return!(t.hasAttribute("render-when-idle")||!1===e.autoSuspendRendering);case"source":return t.getAttribute("source")??e.source;case"pluginExtension":return t.extension??e.pluginExtension;case"useOpenPBR":return!!t.hasAttribute("use-open-pbr")||(t.useOpenPBR??e.useOpenPBR);case"environmentLighting":return t.getAttribute("environment-lighting")??t.getAttribute("environment")??e.environmentLighting;case"environmentSkybox":return t.getAttribute("environment-skybox")??t.getAttribute("environment")??e.environmentSkybox;case"environmentConfig":return{intensity:Ze(t.getAttribute("environment-intensity"))??e.environmentConfig?.intensity,blur:Ze(t.getAttribute("skybox-blur"))??e.environmentConfig?.blur,rotation:Ze(t.getAttribute("environment-rotation"))??e.environmentConfig?.rotation};case"shadowConfig":return{quality:Je(t.getAttribute("shadow-quality"))??e.shadowConfig?.quality};case"cameraOrbit":return Ke(t.getAttribute("camera-orbit"))??e.cameraOrbit;case"cameraTarget":return 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d=array<vec3<f32>,24>(vec3(1.0,-1.0,1.0),vec3(-1.0,-1.0,1.0),vec3(1.0,1.0,1.0),vec3(-1.0,1.0,1.0),vec3(-1.0,-1.0,-1.0),vec3(1.0,-1.0,-1.0),vec3(-1.0,1.0,-1.0),vec3(1.0,1.0,-1.0),vec3(-1.0,-1.0,-1.0),vec3(-1.0,-1.0,1.0),vec3(1.0,-1.0,-1.0),vec3(1.0,-1.0,1.0),vec3(1.0,1.0,-1.0),vec3(1.0,1.0,1.0),vec3(-1.0,1.0,-1.0),vec3(-1.0,1.0,1.0),vec3(1.0,-1.0,-1.0),vec3(1.0,-1.0,1.0),vec3(1.0,1.0,-1.0),vec3(1.0,1.0,1.0),vec3(-1.0,-1.0,1.0),vec3(-1.0,-1.0,-1.0),vec3(-1.0,1.0,1.0),vec3(-1.0,1.0,-1.0));@compute @workgroup_size(8,8,1) fn main(@builtin(global_invocation_id) a:vec3u){let h=a.z;let c=params.faceSize;if (a.x>=c||a.y>=c||h>=6u){return;}let f=f32(a.x)/f32(c);let e=f32(a.y)/f32(c);let b=h*4u;let g=normalize(d[b]*(1.0-f)*(1.0-e)+d[b+1u]*f*(1.0-e)+d[b+2u]*(1.0-f)*e+d[b+3u]*f*e);let l=atan2(g.z,g.x);let m=acos(clamp(g.y,-1.0,1.0));let n=l/i*0.5+0.5;let o=m/i;let j=clamp(i32(round(n*f32(params.equirectWidth))),0,i32(params.equirectWidth)-1);let q=clamp(i32(round(o*f32(params.equirectHeight))),0,i32(params.equirectHeight)-1);let r=i32(params.equirectHeight)-q-1;let s=textureLoad(p,vec2<i32>(j,r),0);textureStore(k,vec2<i32>(a.xy),i32(h),vec4<f32>(s.rgb,1.0));}"}),a=i.createComputePipeline({layout:"auto",compute:{module:o,entryPoint:"main"}}),l=wn(e,new st([n,t.width,t.height,0])),c=i.createBindGroup({layout:a.getBindGroupLayout(0),entries:[{binding:0,resource:r.createView()},{binding:1,resource:s.createView({dimension:"2d-array",arrayLayerCount:6})},{binding:2,resource:{buffer:l}}]}),u=i.createCommandEncoder(),h=u.beginComputePass();return h.setPipeline(a),h.setBindGroup(0,c),h.dispatchWorkgroups(Math.ceil(n/8),Math.ceil(n/8),6),h.end(),i.queue.submit([u.finish()]),r.destroy(),l.destroy(),s}function So(e,t,n,i){const r=e._device,s=r.createTexture({size:{width:n,height:n,depthOrArrayLayers:6},mipLevelCount:i,format:"rgba16float",usage:mt.TEXTURE_BINDING|mt.STORAGE_BINDING|mt.COPY_DST}),o=t.createView({dimension:"cube"}),a=Vi(e),l=r.createComputePipeline({layout:"auto",compute:{module:r.createShaderModule({code:"struct ha{faceSize:u32,mipLevel:u32,totalMips:u32,srcSize:u32}@group(0) @binding(0) var x:texture_cube<f32>;@group(0) @binding(1) var F:sampler;@group(0) @binding(2) var z:texture_storage_2d_array<rgba16float,write>;@group(0) @binding(3) var<uniform> params:ha;const k=3.14159265359;const n=1024u;const g=array<vec3<f32>,24>(vec3(1.0,-1.0,1.0),vec3(-1.0,-1.0,1.0),vec3(1.0,1.0,1.0),vec3(-1.0,1.0,1.0),vec3(-1.0,-1.0,-1.0),vec3(1.0,-1.0,-1.0),vec3(-1.0,1.0,-1.0),vec3(1.0,1.0,-1.0),vec3(-1.0,-1.0,-1.0),vec3(-1.0,-1.0,1.0),vec3(1.0,-1.0,-1.0),vec3(1.0,-1.0,1.0),vec3(1.0,1.0,-1.0),vec3(1.0,1.0,1.0),vec3(-1.0,1.0,-1.0),vec3(-1.0,1.0,1.0),vec3(1.0,-1.0,-1.0),vec3(1.0,-1.0,1.0),vec3(1.0,1.0,-1.0),vec3(1.0,1.0,1.0),vec3(-1.0,-1.0,1.0),vec3(-1.0,-1.0,-1.0),vec3(-1.0,1.0,1.0),vec3(-1.0,1.0,-1.0));fn I(ca:u32,j:f32,d:f32)->vec3<f32>{let i=ca*4u;return normalize(g[i]*(1.0-j)*(1.0-d)+g[i+1u]*j*(1.0-d)+g[i+2u]*(1.0-j)*d+g[i+3u]*j*d);}fn J(ba:u32)->f32{var a=ba;a=(a<<16u)|(a>>16u);a=((a&0x55555555u)<<1u)|((a&0xAAAAAAAAu)>>1u);a=((a&0x33333333u)<<2u)|((a&0xCCCCCCCCu)>>2u);a=((a&0x0F0F0F0Fu)<<4u)|((a&0xF0F0F0F0u)>>4u);a=((a&0x00FF00FFu)<<8u)|((a&0xFF00FF00u)>>8u);return f32(a)*2.3283064365386963e-10;}fn K(aa:f32,C:f32,s:f32)->vec3<f32>{let Z=s*s;let u=2.0*k*aa;let o=sqrt((1.0-C)/(1.0+(Z-1.0)*C));let w=sqrt(1.0-o*o);return vec3<f32>(cos(u)*w,sin(u)*w,o);}fn L(y:f32,t:f32)->f32{let A=y*y*(t-1.0)+1.0;return t/(k*A*A);}fn H(Y:u32,M:f32,S:f32)->vec3<f32>{return I(Y,M,S);}@compute @workgroup_size(8,8,1) fn main(@builtin(global_invocation_id) c:vec3u){let f=c.z;let h=params.faceSize>>params.mipLevel;if (c.x>=h||c.y>=h||f>=6u){return;}let R=f32(c.x)/f32(h);let Q=f32(c.y)/f32(h);let b=normalize(H(f,R,Q));let q=pow(2.0,f32(params.mipLevel)/0.8)/f32(params.srcSize);if (params.mipLevel==0u){let O=textureSampleLevel(x,F,b,0.0);textureStore(z,vec2<i32>(c.xy),i32(f),vec4<f32>(O.rgb,1.0));return;}var X=select(vec3<f32>(1.0,0.0,0.0),vec3<f32>(0.0,0.0,1.0),abs(b.z)<0.999);let v=normalize(cross(X,b));let P=cross(b,v);var p=vec3<f32>(0.0);var m=0.0;let E=f32(params.srcSize);let T=4.0*k/(6.0*E*E);let U=f32(params.totalMips)-1.0;for(var e=0u;e<n;e++){let W=f32(e)/f32(n);let N=J(e);let r=K(W,N,q);let B=v*r.x+P*r.y+b*r.z;let D=max(dot(b,B),0.0);let G=2.0*D*B-b;let l=dot(b,G);if (l>0.0){let da=q*q;let ea=L(D,da)/4.0;let fa=1.0/(f32(n)*max(ea,0.0001));let ga=clamp(0.5*log2(fa/T)+1.0,0.0,U);let V=textureSampleLevel(x,F,G,ga);p+=V.rgb*l;m+=l;}}if (m>0.0){p/=m;}textureStore(z,vec2<i32>(c.xy),i32(f),vec4<f32>(p,1.0));}"}),entryPoint:"main"}}),c=xn(e,16);{const e=r.createCommandEncoder();e.copyTextureToTexture({texture:t},{texture:s,mipLevel:0},{width:n,height:n,depthOrArrayLayers:6}),r.queue.submit([e.finish()])}for(let e=1;e<i;e++){const t=n>>e;if(t<1)break;r.queue.writeBuffer(c,0,new st([n,e,i,n]));const u=s.createView({dimension:"2d-array",baseMipLevel:e,mipLevelCount:1,baseArrayLayer:0,arrayLayerCount:6}),h=r.createBindGroup({layout:l.getBindGroupLayout(0),entries:[{binding:0,resource:o},{binding:1,resource:a},{binding:2,resource:u},{binding:3,resource:{buffer:c}}]}),d=r.createCommandEncoder(),p=d.beginComputePass();p.setPipeline(l),p.setBindGroup(0,h),p.dispatchWorkgroups(Math.ceil(t/8),Math.ceil(t/8),6),p.end(),r.queue.submit([d.finish()])}return t.destroy(),c.destroy(),s}let ko=null,Po=null;function Eo(e){const t=e._device;ko&&Po===t||(ko=t.createComputePipeline({layout:"auto",compute:{module:t.createShaderModule({code:Ao}),entryPoint:"main"}}),Po=t);const n=256,i=t.createTexture({size:{width:n,height:n},format:"rgba16float",usage:mt.TEXTURE_BINDING|mt.STORAGE_BINDING}),r=t.createBindGroup({layout:ko.getBindGroupLayout(0),entries:[{binding:0,resource:i.createView()}]}),s=t.createCommandEncoder(),o=s.beginComputePass();return o.setPipeline(ko),o.setBindGroup(0,r),o.dispatchWorkgroups(Math.ceil(32),Math.ceil(32)),o.end(),t.queue.submit([s.finish()]),i}var Oo=Object.freeze({__proto__:null,equirectToCubemapGPU:Mo,generateBrdfLut:Eo,prefilterCubemapGPU:So});function To(e,t){vn(e,t._lightMatrix,0),e[16]=t._depthValues[0],e[17]=t._depthValues[1],e[18]=0,e[19]=0,e[20]=t._shadowsInfo[0],e[21]=t._shadowsInfo[1],e[22]=t._shadowsInfo[2],e[23]=t._shadowsInfo[3]}function Bo(e,t){const n=new it(16);for(let i=0;i<4;i++)for(let r=0;r<4;r++){let s=0;for(let n=0;n<4;n++)s+=e[i+4*n]*t[n+4*r];n[i+4*r]=s}return n}function Lo(e,t,n,i,r=0,s=0,o=0){const a=function(e,t,n,i,r,s){const o=Math.sqrt(e*e+t*t+n*n)||1,a=e/o,l=t/o,c=n/o;let u=0,h=1,d=0;Math.abs(l)>.99&&(u=0,h=0,d=1);let p=h*c-d*l,_=d*a-u*c,f=u*l-h*a;const m=Math.sqrt(p*p+_*_+f*f)||1;p/=m,_/=m,f/=m;const g=l*f-c*_,b=c*p-a*f,v=a*_-l*p;return new it([p,g,a,0,_,b,l,0,f,v,c,0,-(p*i+_*r+f*s),-(g*i+b*r+v*s),-(a*i+l*r+c*s),1])}(e.direction.x,e.direction.y,e.direction.z,e.position.x-r,e.position.y-s,e.position.z-o);let l=1/0,c=-1/0,u=1/0,h=-1/0;for(const e of t){const t=e.worldMatrix,n=e.boundMin??[-.5,-.5,-.5],i=e.boundMax??[.5,.5,.5];for(let e=0;e<8;e++){const d=1&e?i[0]:n[0],p=2&e?i[1]:n[1],_=4&e?i[2]:n[2],f=t[0]*d+t[4]*p+t[8]*_+t[12]-r,m=t[1]*d+t[5]*p+t[9]*_+t[13]-s,g=t[2]*d+t[6]*p+t[10]*_+t[14]-o,b=a[0]*f+a[4]*m+a[8]*g+a[12],v=a[1]*f+a[5]*m+a[9]*g+a[13];l=Math.min(l,b),c=Math.max(c,b),u=Math.min(u,v),h=Math.max(h,v)}}Number.isFinite(l)||(l=-1,c=1,u=-1,h=1);const d=.1*(c-l),p=.1*(h-u);l-=d,c+=d,u-=p,h+=p;const _=new it(16);return _[0]=2/(c-l),_[5]=2/(h-u),_[10]=1/(i-n),_[12]=-(c+l)/(c-l),_[13]=-(h+u)/(h-u),_[14]=-n/(i-n),_[15]=1,{_view:a,_viewProj:Bo(_,a),_near:n,_far:i}}function Io(e,t=null,n=e._depthTexture){const i=e._config._mapSize;return{_descriptor:{size:{width:i,height:i},format:t?"rgba16float":void 0,dFormat:"depth32float",_depthClearValue:1,_depthCompare:"less-equal",samples:1},_colorTexture:t,_colorView:t?.createView()??null,_depthTexture:n,_depthView:n.createView(),_width:i,_height:i,_eager:!0,_ownsDepthTexture:!1}}let Ro,$o,No,Vo=null;function Fo(e,t){(Vo??=new WeakMap,Vo).set(e,t)}function zo(e){return Vo?.get(e)??null}async function Do(e){const t=[];let n=!1,i=!1,r=!1;for(const t of e){const e=t.material?._buildGroup._materialFamily;n||="standard"===e,i||="pbr"===e,r||="node"===e}n&&!Ro&&t.push(import("./esm-shadow-view-nhqYpMvF.esm.min.js").then(e=>{Ro=e.createStandardEsmShadowMaterialView})),i&&!$o&&t.push(import("./esm-shadow-view-D-kcuLsM.esm.min.js").then(e=>{$o=e.createPbrEsmShadowMaterialView})),r&&!No&&t.push(import("./esm-shadow-view-B3fClxhq.esm.min.js").then(e=>{No=e.createNodeEsmShadowMaterialView})),await Promise.all(t)}function Go(e){const t=1/3;return Math.exp(-e*e/(2*t*t))/(Math.sqrt(2*Math.PI)*t)}function Uo(e){const t=function(e){const t=Math.round(Math.max(e,1));for(const e of[t,t-1,t+1,t-2,t+2])if(e%2!=0&&Math.floor(e/2)%2==0&&e>0)return Math.max(e,3);return Math.max(t,3)}(e),n=(t-1)/2,i=[],r=[];let s=0;for(let e=0;e<t;e++){const o=Go(2*(e/(t-1))-1);i[e]=e-n,r[e]=o,s+=o}for(let e=0;e<r.length;e++)r[e]=r[e]/s;const o=[],a=[];for(let e=0;e<=n;e+=2){const t=Math.min(e+1,Math.floor(n));if(e===t){o.push(i[e]),a.push(r[e]);continue}const s=t===n,l=r[e]+r[t]*(s?.5:1),c=i[e]+1/(1+r[e]/r[t]);0===c?(o.push(i[e],i[e+1]),a.push(r[e],r[e+1])):(o.push(c,-c),a.push(l,l))}return{offsets:o,weights:a}}function jo(e){let t=(Object.is(e,-0)?0:e).toPrecision(10);return/[.eE]/.test(t)||(t+=".0"),t}function Wo(e){const{offsets:t,weights:n}=Uo(e),i=t.length;return`struct BlurParams{delta:vec2<f32>,_pad:vec2<f32>,};@group(0) @binding(0) var<uniform> params:BlurParams;@group(0) @binding(1) var srcTex:texture_2d<f32>;@group(0) @binding(2) var srcSampler:sampler;const OFFSETS=array<f32,${i}>(${t.map(jo).join(",")});const WEIGHTS=array<f32,${i}>(${n.map(jo).join(",")});@fragment fn main(@location(0) sampleCenter:vec2<f32>)->@location(0) vec4<f32>{var blend=vec4<f32>(0.0);for(var i=0u;i<${i}u;i=i+1u){blend+=textureSample(srcTex,srcSampler,sampleCenter+params.delta*OFFSETS[i])*WEIGHTS[i];}return blend;}`}function Ho(e,t,n,i,r){const s=r;if(s){if(s._casterMeshes===i)return s;s._task.dispose()}const o=zo(n);if(!o)throw new Error("ShadowTask: missing ESM metadata.");const a=new Map,l=function(e){return{fov:1,nearPlane:1,farPlane:1,children:[],_viewCache:ft(),_projCache:ft(),_vpCache:ft(),get worldMatrix(){return e._light.worldMatrix},get worldMatrixVersion(){return this._shadowCameraVersion??e._light.worldMatrixVersion}}}(n),c={_task:Nn({name:"esm",rt:Io(n,o._esmTexture,o._depthBuffer),clr:!0,clrColor:{r:0,g:0,b:0,a:0},cam:l,_skipClusteredLights:!0},e,t),_camera:l,_cameraVersion:0,_lastCasterVersion:-1,_lastLightVersion:-1,_lastFoVersion:-1,_casterMeshes:i,_scene:t};for(const e of i){const t=e.material;t&&c._task.addMesh(e,{material:Xo(t,a,n._shadowParamsUBO)})}return c}function qo(e,t,n){const i=zo(t);if(!i)return 0;const r=n._casterMeshes,s=function(e){let t=0;for(const n of e)t+=n.worldMatrixVersion+~~n.thinInstances?._version;return t}(r),o=t._light.worldMatrixVersion,a=e.useFloatingOrigin?n._scene.camera:null,l=a?a.worldMatrixVersion:0,c=a?a.worldMatrix[12]:0,u=a?a.worldMatrix[13]:0,h=a?a.worldMatrix[14]:0;if(!t._config._forceRefreshEveryFrame&&s===n._lastCasterVersion&&o===n._lastLightVersion&&l===n._lastFoVersion)return 0;const d=Lo(t._light,r,t._config._orthoMinZ,t._config._orthoMaxZ,c,u,h);(function(e,t){for(let n=0;n<16;n++)if(e[n]!==t[n])return!0;return!1})(t._lightMatrix,d._viewProj)&&(vn(t._lightMatrix,d._viewProj,0),t._version++,To(i._shadowUboData,t),e._device.queue.writeBuffer(t._shadowUBO,0,i._shadowUboData)),function(e,t){e._cameraVersion++,n=e._camera,i=e._cameraVersion,r=t._near,s=t._far,o=t._view,a=t._viewProj,n.nearPlane=r,n.farPlane=s,n._shadowCameraVersion=i,n._viewCache=o,n._viewVer=i,n._vpCache=a,n._vpVer=un(n),n._vpAspect=1;var n,i,r,s,o,a}(n,d),n._lastCasterVersion=s,n._lastLightVersion=o,n._lastFoVersion=l;let p=n._task.execute?.()??0;const 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x=r.surface.canvas,C=r.camera;if(!C)return{hit:!1,distance:0,pickedPoint:null,pickedNormal:null,pickedNormalWorld:null,pickedFaceNormal:null,pickedFaceNormalWorld:null,pickedMesh:null,faceId:-1,bu:0,bv:0,subMeshId:0,thinInstanceIndex:-1,ray:null,_normalsInvalid:!1};const A=x.width,M=x.height,S=("clientWidth"in x?x.clientWidth:0)||A,k=("clientHeight"in x?x.clientHeight:0)||M,P=t*(A/S),E=n*(M/k),O=function(e,t,n){const i=e?.viewport??wa,r=xa(i.x),s=xa(1-i.y-i.height),o=xa(i.x+i.width),a=xa(1-i.y),l=Math.floor(r*t),c=Math.floor(s*n);return{x:l,y:c,width:Math.max(0,Math.ceil(o*t)-l),height:Math.max(0,Math.ceil(a*n)-c)}}(C,A,M),T=O.width,B=O.height;if(0===T||0===B)return{hit:!1,distance:0,pickedPoint:null,pickedNormal:null,pickedNormalWorld:null,pickedFaceNormal:null,pickedFaceNormalWorld:null,pickedMesh:null,faceId:-1,bu:0,bv:0,subMeshId:0,thinInstanceIndex:-1,ray:null,_normalsInvalid:!1};if(P<O.x||E<O.y||P>=O.x+O.width||E>=O.y+O.height)return{hit:!1,distance:0,pickedPoint:null,pickedNormal:null,pickedNormalWorld:null,pickedFaceNormal:null,pickedFaceNormalWorld:null,pickedMesh:null,faceId:-1,bu:0,bv:0,subMeshId:0,thinInstanceIndex:-1,ray:null,_normalsInvalid:!1};const L=Math.max(0,Math.min(Math.floor(P-O.x),T-1)),I=Math.max(0,Math.min(Math.floor(E-O.y),B-1)),R=P-O.x,$=E-O.y,N=L+.5,V=I+.5,F=dn(C,T/B),z=h||l?function(e,t,n,i,r){const s=Gi(n);if(!s)return null;const o=2*e/i-1,a=1-2*t/r,l=Yi(s,o,a,1),c=Yi(s,o,a,0),u=c[0]-l[0],h=c[1]-l[1],d=c[2]-l[2],p=Math.sqrt(u*u+h*h+d*d);if(p<1e-10)return null;const _=1/p;return{origin:l,direction:[u*_,h*_,d*_],length:p}}(R,$,F,T,B):null,D=v?[t,n,P,E,L,I,A,M,S,k,O.x,O.y,O.width,O.height]:null;!function(e,t,n,i,r,s){const o=2*n/r-1,a=1-2*i/s;for(let n=0;n<4;n++){const i=4*n,l=t[i+3];e[i]=r*(t[i]-o*l),e[i+1]=s*(t[i+1]-a*l),e[i+2]=t[i+2],e[i+3]=l}}(Oa,F,R,$,T,B),Oa[16]=O.x+N,Oa[17]=O.y+V;const G=function(e,t){const n=e._device;if(t._rt)return t._rt;const i=n.createTexture({label:"pick-color",size:[1,1],format:"rgba8unorm",usage:mt.RENDER_ATTACHMENT|mt.COPY_SRC}),r=n.createTexture({label:"pick-depth-color",size:[1,1],format:"r32float",usage:mt.RENDER_ATTACHMENT|mt.COPY_SRC}),s=n.createTexture({label:"pick-depth",size:[1,1],format:"depth24plus",usage:mt.RENDER_ATTACHMENT});return t._rt={colorTex:i,colorView:i.createView(),depthColorTex:r,depthColorView:r.createView(),detail:null,depthTex:s,depthView:s.createView(),colorStaging:n.createBuffer({label:"pick-color-staging",size:256,usage:gt.COPY_DST|gt.MAP_READ}),depthStaging:n.createBuffer({label:"pick-depth-staging",size:256,usage:gt.COPY_DST|gt.MAP_READ})},t._rt}(c,e),U=h?b.ensureDetailTarget(c,G):null,j=function(e,t){const n=e._device;if(!t._sceneUbo){t._sceneUbo=xn(e,80,"pick-scene-ubo");const i=Ea(e);t._sceneBG=n.createBindGroup({label:"pick-scene-bg",layout:i,entries:[{binding:0,resource:{buffer:t._sceneUbo}}]})}return t._sceneUbo}(c,e);u.queue.writeBuffer(j,0,Oa);let W=1;const H=u.createCommandEncoder({label:"pick"}),q=[{view:G.colorView,clearValue:{r:0,g:0,b:0,a:0},loadOp:"clear",storeOp:"store"},{view:G.depthColorView,clearValue:{r:1,g:0,b:0,a:0},loadOp:"clear",storeOp:"store"}];U&&q.push({view:U.view,clearValue:{r:4294967295,g:0,b:0,a:0},loadOp:"clear",storeOp:"store"});const X=H.beginRenderPass({colorAttachments:q,depthStencilAttachment:{view:G.depthView,depthClearValue:0,depthLoadOp:"clear",depthStoreOp:"discard"}}),Y=[],Q=h?new Map:null,Z=h?new Map:null,K=g?.captureDeformPoses(p)??null;let J;if(y){const t=y.draw(X,e._sceneBG,W,o,h,b,Y,Q,Z);W=t.nextId,J=t.ranges}else{J=[];for(const{mesh:t}of p){const n=t._gpu,i=m?.getDeformPickingProjection(c,t)??null,r=w.getPickingPipelineSet(c,null,i),s=o?w.getPickingPipelineSet(c,o,i):null;Q&&t._cpuPositions&&Q.set(t,t._cpuPositions),Z&&t._cpuNormals&&Z.set(t,t._cpuNormals);const a=o&&s?.discardBGL?Ra(c,s.discardBGL,o,t,Y):null,l=!s||s.discardBGL&&!a?r:s;Ba.set(t.worldMatrix,0),La[16]=W;const h=wn(c,Ia,"pick-mesh-ubo");Y.push(h),X.setPipeline(l.regularPipeline),X.setBindGroup(0,e._sceneBG),X.setBindGroup(1,u.createBindGroup({layout:l.regularPipeline.getBindGroupLayout(1),entries:[{binding:0,resource:{buffer:h}}]})),a&&X.setBindGroup(2,a),X.setVertexBuffer(0,n.positionBuffer),i&&m.bindDeformPickingProjection(c,X,l.regularPipeline,t,1,!!a),X.setIndexBuffer(n.indexBuffer,n.indexFormat),X.drawIndexed(n.indexCount),J.push({base:W++,count:1,mesh:t,thin:!1,world:b?b.copyDetailedWorldMatrix(t.worldMatrix):null,thinVersion:0,worldAdjusted:!1})}}const ee=[];if(d.length>0){const t={picker:e,pass:X,engine:c,scene:r,camera:C,sceneBG:e._sceneBG,px:R,py:$,w:T,h:B,detailed:h};for(const{source:e,contributor:n}of d){if(!r._pickSources.includes(e))continue;const i=W;W=n.draw(t,i),W>i&&ee.push({base:i,count:W-i,contributor:n})}}let te,ne;X.end(),H.copyTextureToBuffer({texture:G.colorTex},{buffer:G.colorStaging,bytesPerRow:256},{width:1,height:1}),H.copyTextureToBuffer({texture:G.depthColorTex},{buffer:G.depthStaging,bytesPerRow:256},{width:1,height:1}),U&&b.copyDetailTarget(H,U),u.queue.submit([H.finish()]);let ie=-1,re=null;try{const e=[G.colorStaging.mapAsync(GPUMapMode.READ),G.depthStaging.mapAsync(GPUMapMode.READ)],t=U?b.readDetailTarget(U):null;t&&e.push(t.then(()=>{})),await Promise.all(e);const n=new ct(G.colorStaging.getMappedRange());te=n[0]<<16|n[1]<<8|n[2],ne=new it(G.depthStaging.getMappedRange())[0],t&&({primitiveIndex:ie,localPoint:re}=await t),G.colorStaging.unmap(),G.depthStaging.unmap()}finally{for(let e=0;e<Y.length;e++)Y[e].destroy()}if(0===te)return v&&v.tracePick(l,D,z,te,ne,!1),{hit:!1,distance:0,pickedPoint:null,pickedNormal:null,pickedNormalWorld:null,pickedFaceNormal:null,pickedFaceNormalWorld:null,pickedMesh:null,faceId:-1,bu:0,bv:0,subMeshId:0,thinInstanceIndex:-1,ray:null,_normalsInvalid:!1};let se=null,oe=null,ae=-1;for(let e=0;e<J.length;e++){const t=J[e];if(te>=t.base&&te<t.base+t.count){se=t.mesh,oe=t,ae=t.thin?te-t.base:-1;break}}let le=null,ce=-1;if(!se)for(let e=0;e<ee.length;e++){const t=ee[e];if(te>=t.base&&te<t.base+t.count){le=t.contributor,ce=te-t.base;break}}if(!se&&!le)return v&&v.tracePick(l,D,z,te,ne,!1,!0),{hit:!1,distance:0,pickedPoint:null,pickedNormal:null,pickedNormalWorld:null,pickedFaceNormal:null,pickedFaceNormalWorld:null,pickedMesh:null,faceId:-1,bu:0,bv:0,subMeshId:0,thinInstanceIndex:-1,ray:null,_normalsInvalid:!1};const ue={hit:!1,distance:0,pickedPoint:null,pickedNormal:null,pickedNormalWorld:null,pickedFaceNormal:null,pickedFaceNormalWorld:null,pickedMesh:null,faceId:-1,bu:0,bv:0,subMeshId:0,thinInstanceIndex:-1,ray:null,_normalsInvalid:!1};ue.hit=!0,ue.pickedMesh=se,ue.thinInstanceIndex=ae,ue.ray=h?z:null;const he=Gi(F);if(he){const e=2*R/T-1,t=1-2*$/B,n=he[0]*e+he[4]*t+he[8]*ne+he[12],i=he[1]*e+he[5]*t+he[9]*ne+he[13],r=he[2]*e+he[6]*t+he[10]*ne+he[14],s=1/(he[3]*e+he[7]*t+he[11]*ne+he[15]);ue.pickedPoint=[n*s,i*s,r*s];const o=h&&z?{x:z.origin[0],y:z.origin[1],z:z.origin[2]}:pn(C),a=ue.pickedPoint[0]-o.x,l=ue.pickedPoint[1]-o.y,c=ue.pickedPoint[2]-o.z;ue.distance=Math.sqrt(a*a+l*l+c*c)}if(le)le.resolve(ue,ce);else if(se&&oe?.world&&re&&ie>=0){if(!oe.thin||se.thinInstances?._version===oe.thinVersion){const e=Q?.get(se),t=b.detailedWorldMatrix(oe.world,se,ae),n=g?.deformerFor(K,se)??null;b.populateDetailedMeshInfo(ue,se,ie,re,e,Z?.get(se),t,!oe.worldAdjusted,n)}}return v&&v.tracePick(l,D,ue.ray??z,te,ne,!0,!1,se?se.name??"(unnamed)":"(contributor)",ae,ue),ue}function Na(e){if(e._rt){for(const t of[e._rt.colorTex,e._rt.depthColorTex,e._rt.detail?.texture,e._rt.depthTex,e._rt.colorStaging,e._rt.depthStaging,e._rt.detail?.staging])t?.destroy();e._rt=null}if(e._sceneUbo?.destroy(),e._sceneUbo=null,e._sceneBG=null,e._contributors){for(const t of e._contributors.values())t.dispose?.();e._contributors=null}e._device=null}const Va=[0,0,0];function Fa(e,t,n,i,r,s,o){const a=16*t;o[0]=e[a]*n+e[a+4]*i+e[a+8]*r+e[a+12]*s,o[1]=e[a+1]*n+e[a+5]*i+e[a+9]*r+e[a+13]*s,o[2]=e[a+2]*n+e[a+6]*i+e[a+10]*r+e[a+14]*s}function za(e){const t=e.skeleton,n=e.morphTargets;return t||n?{boneMatrices:t?new Float32Array(t.boneMatrices):null,morphWeights:n?new Float32Array(n.weights):null}:null}let Da,Ga;function Ua(e,t,n){return ja(e,t,n,null)}function ja(e,t,n,i){const r=e._cpuPositions;if(!r)return!1;const s=3*t;if(s<0||s+2>=r.length)return!1;const o=Da??=new Float32Array(3);o[0]=r[s],o[1]=r[s+1],o[2]=r[s+2];const a=e.morphTargets;a&&function(e,t,n,i,r){let s=t[n],o=t[n+1],a=t[n+2];const l=r??e.weights,c=Math.min(e.count,e.targets.length);for(let t=0;t<c;t++){const n=l[t]??0;if(0===n)continue;const r=e.targets[t].positions;s+=r[i]*n,o+=r[i+1]*n,a+=r[i+2]*n}t[n]=s,t[n+1]=o,t[n+2]=a}(a,o,0,s,i?.morphWeights);const l=e.skeleton;return l&&function(e,t,n,i,r,s,o,a,l,c,u,h){let d=0,p=0,_=0;const f=4*s;for(let i=0;i<4;i++){const r=n[f+i]??0;0!==r&&(Fa(e,t[f+i]??0,o,a,l,c,Va),d+=Va[0]*r,p+=Va[1]*r,_+=Va[2]*r)}if(i&&r)for(let t=0;t<4;t++){const n=r[f+t]??0;0!==n&&(Fa(e,i[f+t]??0,o,a,l,c,Va),d+=Va[0]*n,p+=Va[1]*n,_+=Va[2]*n)}u[h]=d,u[h+1]=p,u[h+2]=_}(i?.boneMatrices??l.boneMatrices,l.joints,l.weights,l.joints1,l.weights1,t,o[0],o[1],o[2],1,o,0),n.x=o[0],n.y=o[1],n.z=o[2],!0}function Wa(e,t,n,i,r){const s=Ga??={x:0,y:0,z:0};return!!ja(e,t,s,r)&&(n[i]=s.x,n[i+1]=s.y,n[i+2]=s.z,!0)}function Ha(e,t,n,i,r,s=null){return Wa(e,t,r,0,s)&&Wa(e,n,r,3,s)&&Wa(e,i,r,6,s)}var qa=Object.freeze({__proto__:null,captureDeformPose:za,captureDeformPoses:function(e){const t=new Map;for(const{mesh:n}of e){const e=za(n);e&&t.set(n,e)}return t},computeDeformedPositionToRef:Ua,deformTriangleToRef:Ha,deformerFor:function(e,t){const n=e?.get(t)??null;return n?(e,t,i,r,s)=>Ha(e,t,i,r,s,n):null}});const Xa=f,Ya=-Math.PI/2,Qa=Math.PI/2.5,Za=[.12,-1,.05],Ka={x:0,y:0,z:0},Ja={x:0,y:0,z:0},el={x:0,y:0,z:0},tl={x:0,y:0,z:0},nl={x:0,y:0,z:0};class il extends b{constructor(e,t){super(),this._engine=e,this._options=t,this._detachControl=null,this._renderLoopRunning=!1,this._sceneRegistered=!1,this._suspendRenderCount=0,this._renderLoopLock=new i,this._renderLoopStopped=null,this._autoOrbitIdleTime=0,this._lastPointerTime=0,this._currentLightingUrl=null,this._currentSkyboxUrl=null,this._toneMapping=this._options?.postProcessing?.toneMapping??Xa.postProcessing.toneMapping,this._contrast=this._options?.postProcessing?.contrast??Xa.postProcessing.contrast,this._exposure=this._options?.postProcessing?.exposure??Xa.postProcessing.exposure,this._ssaoOption=this._options?.postProcessing?.ssao??Xa.postProcessing.ssao,this._pbrRebuildLock=new i,this._shadowGenerator=null,this._shadowLight=null,this._shadowGround=null,this._container=null,this._picker=null,this._modelSource=null,this._modelMaterialGroupBuilt=!1,this._cachedModelBounds=null,this._selectedAnimation=-1,this._animationSpeed=this._options?.animationSpeed??Xa.animationSpeed,this._wasPlaying=!1,this._lastProgress=-1,this._selectedMaterialVariant=null,this._camerasAsHotSpots=!1,this._cameraInterpolationAbort=null,this._defaultTarget={x:0,y:0,z:0},this._onPointerActivity=()=>{this._lastPointerTime=performance.now()},this._onCanvasDoubleClick=e=>{this._handleDoubleClick(e.offsetX,e.offsetY)},this._deviceLostRecovery=Ht(e,{onRecoveryFailed:e=>{const t=e instanceof Error?e:new Error(`Babylon Lite device recovery failed: ${String(e)}`,{cause:e});this._options?.onFaulted?this._options.onFaulted(t):r.Error(t.stack??t.message)}}),this._shadowQuality=this._options?.shadowConfig?.quality??Xa.shadowConfig.quality,this._environmentIntensity=this._options?.environmentConfig?.intensity??Xa.environmentConfig.intensity,this._environmentBlur=this._options?.environmentConfig?.blur??Xa.environmentConfig.blur,this._environmentRotation=this._options?.environmentConfig?.rotation??Xa.environmentConfig.rotation,this._autoOrbitEnabled=this._options?.cameraAutoOrbit?.enabled??Xa.cameraAutoOrbit.enabled,this._autoOrbitSpeed=this._options?.cameraAutoOrbit?.speed??Xa.cameraAutoOrbit.speed,this._autoOrbitDelay=this._options?.cameraAutoOrbit?.delay??Xa.cameraAutoOrbit.delay,this._options?.hotSpots&&(this.hotSpots=this._options.hotSpots),this._scene=Wn(e);const n=t?.cameraOrbit?.[0],s=t?.cameraOrbit?.[1],o=t?.cameraOrbit?.[2],a=null==n||isNaN(n)?Ya:n,l=null==s||isNaN(s)?Qa:s,c=null==o||isNaN(o)?3:o;if(this._defaultAlpha=a,this._defaultBeta=l,this._defaultRadius=c,t?.cameraTarget){const e=t.cameraTarget[0],n=t.cameraTarget[1],i=t.cameraTarget[2];this._defaultTarget={x:null==e||isNaN(e)?0:e,y:null==n||isNaN(n)?0:n,z:null==i||isNaN(i)?0:i}}var h,d;this._camera=si(a,l,c,this._defaultTarget),this._scene.camera=this._camera,this._detachControl=function(e,t,n){const i=1e-4;let r=!1,s=!1,o=0,a=0;const l=new Map;let c=0,u=0;function h(e){e.preventDefault()}function d(){if(0!==e.inertialAlphaOffset||0!==e.inertialBetaOffset){e.alpha+=e.inertialAlphaOffset,e.beta+=e.inertialBetaOffset;const t=.01;e.beta=Math.max(t,Math.min(Math.PI-t,e.beta)),e.inertialAlphaOffset*=e.inertia,e.inertialBetaOffset*=e.inertia,Math.abs(e.inertialAlphaOffset)<.001&&(e.inertialAlphaOffset=0),Math.abs(e.inertialBetaOffset)<.001&&(e.inertialBetaOffset=0)}if(0!==e.inertialRadiusOffset&&(e.radius-=e.inertialRadiusOffset,e.radius=Math.max(.01,e.radius),e.inertialRadiusOffset*=e.inertia,Math.abs(e.inertialRadiusOffset)<.001&&(e.inertialRadiusOffset=0)),0!==e.inertialPanningX||0!==e.inertialPanningY){const t=Math.cos(e.alpha),n=-Math.sin(e.alpha),r=t,s=.001*e.radius;e.target.x+=n*e.inertialPanningX*s,e.target.y+=e.inertialPanningY*s,e.target.z+=r*e.inertialPanningX*s,e.inertialPanningX*=e.panningInertia,e.inertialPanningY*=e.panningInertia,Math.abs(e.inertialPanningX)<i&&(e.inertialPanningX=0),Math.abs(e.inertialPanningY)<i&&(e.inertialPanningY=0)}}n&&n._beforeRender.push(d);const p=[["pointerdown",function(e){t.setPointerCapture(e.pointerId),o=e.clientX,a=e.clientY,0===e.button?(r=!0,s=!1):2===e.button&&(r=!1,s=!0)}],["pointermove",function(t){const n=t.clientX-o,i=t.clientY-a;if(o=t.clientX,a=t.clientY,!(l.size>=2)&&(r||s)){if(r){const t=e.angularSensibility;e.inertialAlphaOffset-=n/t,e.inertialBetaOffset-=i/t}if(s){const t=e.panningSensibility;e.inertialPanningX+=-n/t,e.inertialPanningY+=i/t}}}],["pointerup",function(e){t.releasePointerCapture(e.pointerId),r=!1,s=!1}],["wheel",function(t){t.preventDefault(),e.inertialRadiusOffset-=t.deltaY*e.radius/(1e3*e.wheelPrecision)},{passive:!1}],["contextmenu",function(e){e.preventDefault()}],["touchstart",function(t){for(let e=0;e<t.changedTouches.length;e++){const n=t.changedTouches[e];l.set(n.identifier,{x:n.clientX,y:n.clientY})}if(l.size>=2){r=!1,s=!1;const n=l.values(),i=n.next().value,o=n.next().value;c=Math.hypot(o.x-i.x,o.y-i.y),u=e.radius,t.preventDefault()}},{passive:!1}],["touchmove",function(t){for(let e=0;e<t.changedTouches.length;e++){const n=t.changedTouches[e];l.set(n.identifier,{x:n.clientX,y:n.clientY})}if(l.size>=2){t.preventDefault();const n=l.values(),i=n.next().value,r=n.next().value,s=Math.hypot(r.x-i.x,r.y-i.y);c>0&&s>0&&(e.radius=u*(c/s),e.radius=Math.max(.01,e.radius))}},{passive:!1}],["touchend",function(e){for(let t=0;t<e.changedTouches.length;t++)l.delete(e.changedTouches[t].identifier);if(1===l.size){const e=l.values().next().value;o=e.x,a=e.y}l.size<2&&(c=0)}],["gesturestart",h,{passive:!1}],["gesturechange",h,{passive:!1}],["gestureend",h,{passive:!1}]];for(const[e,n,i]of p)t.addEventListener(e,n,i);return()=>{if(n){const e=n._beforeRender.indexOf(d);e>=0&&n._beforeRender.splice(e,1)}for(const[e,n]of p)t.removeEventListener(e,n)}}(this._camera,this._engine.canvas,this._scene),this._lastPointerTime=performance.now(),this._engine.canvas.addEventListener("pointerdown",this._onPointerActivity),this._engine.canvas.addEventListener("pointermove",this._onPointerActivity),this._engine.canvas.addEventListener("wheel",this._onPointerActivity),this._engine.canvas.addEventListener("dblclick",this._onCanvasDoubleClick),this._clearColor.r=t?.clearColor?.[0]??0,this._clearColor.g=t?.clearColor?.[1]??0,this._clearColor.b=t?.clearColor?.[2]??0,this._clearColor.a=t?.clearColor?.[3]??0,this._applyClearColor(),this._applyImageProcessingToScene(),t?.shadowConfig?.quality&&u(this.updateShadows({quality:t.shadowConfig.quality})),h=this._scene,d=e=>{this._isDisposed||(this._updateAutoOrbit(e),this._pollAnimationState(),this.onAfterRenderObservable.notifyObservers())},h._beforeRender.unshift(d),t?.source&&"none"!==this._shadowQuality||u(this._beginRendering());const p=t?.environmentLighting??Xa.environmentLighting,_=t?.environmentSkybox??Xa.environmentSkybox;u((async()=>{const e=[];p===_?"none"!==p&&e.push(this.loadEnvironment(p)):("none"!==p&&e.push(this.loadEnvironment(p,{lighting:!0,skybox:!1})),"none"!==_&&e.push(this.loadEnvironment(_,{lighting:!1,skybox:!0}))),await Promise.allSettled(e),t?.source&&await this.loadModel(t.source)})())}_applyClearColor(){const e=this._scene.clearColor;e.r=this._clearColor.r,e.g=this._clearColor.g,e.b=this._clearColor.b,e.a=this._clearColor.a}_applyCameraAutoOrbitEnabled(){}_applyCameraAutoOrbitSpeed(){}_applyCameraAutoOrbitDelay(){}resetCamera(e){this._resetCameraCore(e,!0)}_resetCameraCore(e,t){void 0===e&&(e=this._selectedAnimation!==(this._options?.selectedAnimation??0)),e?this._frameCameraToModel(t):this._frameCameraToModel(t,!0)||this._moveCameraTo({alpha:this._defaultAlpha,beta:this._defaultBeta,radius:this._defaultRadius,target:this._defaultTarget},t)}updateCamera(e){const t=void 0!==e.targetX||void 0!==e.targetY||void 0!==e.targetZ?{x:e.targetX??this._camera.target.x,y:e.targetY??this._camera.target.y,z:e.targetZ??this._camera.target.z}:void 0;this._moveCameraTo({alpha:e.alpha,beta:e.beta,radius:e.radius,target:t},!0)}_moveCameraTo(e,n){n?this._interpolateCameraTo(e):(this._cameraInterpolationAbort?.abort(new t("Camera interpolation superseded.")),this._cameraInterpolationAbort=null,void 0===e.alpha||isNaN(e.alpha)||(this._camera.alpha=e.alpha),void 0===e.beta||isNaN(e.beta)||(this._camera.beta=e.beta),void 0===e.radius||isNaN(e.radius)||(this._camera.radius=e.radius),e.target&&(this._camera.target.x=e.target.x,this._camera.target.y=e.target.y,this._camera.target.z=e.target.z))}_frameCameraToModel(e,t=!1){const n=this._computeModelBounds();if(!n)return!1;let i=2*n.radius*1.1;(!isFinite(i)||i<=0)&&(i=1),this._camera.nearPlane=.001*i,this._camera.farPlane=1e3*i,this._camera.lowerRadiusLimit=.001*i,this._camera.upperRadiusLimit=5*i;let r=m,s=g,o=i;const a={x:n.center[0],y:n.center[1],z:n.center[2]};if(t){const e=this._options?.cameraOrbit;e&&(null==e[0]||isNaN(e[0])||(r=e[0]),null==e[1]||isNaN(e[1])||(s=e[1]),null==e[2]||isNaN(e[2])||(o=e[2]));const t=this._options?.cameraTarget;t&&(null==t[0]||isNaN(t[0])||(a.x=t[0]),null==t[1]||isNaN(t[1])||(a.y=t[1]),null==t[2]||isNaN(t[2])||(a.z=t[2]))}return this._moveCameraTo({alpha:r,beta:s,radius:o,target:a},e),!0}_computeModelBounds(){if(!this._container)return null;if(this._cachedModelBounds)return this._cachedModelBounds;const e=co(this._container);if(0===e.length)return null;const t=function(e,t=null,n=null,i=1/6){const r=e.map(Aa),s=e.map(()=>({minimum:[Number.POSITIVE_INFINITY,Number.POSITIVE_INFINITY,Number.POSITIVE_INFINITY],maximum:[Number.NEGATIVE_INFINITY,Number.NEGATIVE_INFINITY,Number.NEGATIVE_INFINITY]})),o=new Float32Array(16),a=()=>{for(let t=0;t<e.length;t++){const n=r[t],i=e[t].worldMatrix;if(n.bones){const r=e[t].skeleton.boneMatrices;for(const e of n.bones)ln(o,0,i,0,r,16*e.boneIndex),Ma(e.corners,o,s[t])}else n.corners&&Ma(n.corners,i,s[t])}};if(t&&t.duration>0){const e=t.frameRate||60,r=t.currentTime,s=t.isPlaying,o=t._stopped,l=Math.max(i,.001),c=n??void 0;t._stopped=!1;for(let n=0;n<=t.duration;n+=l)va(t,n*e,c),a();va(t,r*e,c),t._stopped=o,t.isPlaying=s}else a();return s}(e,this._getActiveAnimationGroup(),this._engine);let n=1/0,i=1/0,r=1/0,s=-1/0,o=-1/0,a=-1/0;for(const e of t)e.minimum[0]>e.maximum[0]||(e.minimum[0]<n&&(n=e.minimum[0]),e.minimum[1]<i&&(i=e.minimum[1]),e.minimum[2]<r&&(r=e.minimum[2]),e.maximum[0]>s&&(s=e.maximum[0]),e.maximum[1]>o&&(o=e.maximum[1]),e.maximum[2]>a&&(a=e.maximum[2]));if(n>s)return null;const l=s-n,c=o-i,u=a-r,h=Math.sqrt(l*l+c*c+u*u)/2;return this._cachedModelBounds={min:[n,i,r],max:[s,o,a],center:[(n+s)/2,(i+o)/2,(r+a)/2],radius:h},this._cachedModelBounds}_applyEnvironmentIntensity(){}_applyEnvironmentBlur(){null!==this._currentSkyboxUrl&&Ai(this._scene,this._environmentBlur)}_applyEnvironmentRotation(){Si(this._scene,this._environmentRotation),this._rotateShadowLightWithEnvironment()}async _loadEnvironmentImpl(e,n,i,r){const s=n.lighting,o=n.skybox,a=s?e??null:this._currentLightingUrl,l=o?e??null:this._currentSkyboxUrl;if(a!==this._currentLightingUrl||l!==this._currentSkyboxUrl)try{if(null!==this._currentLightingUrl&&a!==this._currentLightingUrl){throw new Error(`Babylon Lite cannot ${null===a?"remove":"replace"} the loaded environment lighting ("${this._currentLightingUrl}"${null===a?"":` → "${a}"`}). Recreate the Viewer to change the environment.`)}if(null!==this._currentSkyboxUrl&&l!==this._currentSkyboxUrl){throw new Error(`Babylon Lite cannot ${null===l?"remove":"replace"} the loaded environment skybox ("${this._currentSkyboxUrl}"${null===l?"":` → "${l}"`}). Recreate the Viewer to change the environment.`)}const e=!s&&o&&null===this._currentLightingUrl?l??"auto":a??"auto",t="auto"===e?(await import("./defaultEnvironment-DPUnnTO0.esm.min.js")).default:e,u=function(e,t){if(t)return t.startsWith(".")?t:`.${t}`;const n=e.lastIndexOf(".");return n>=0?e.substring(n).toLowerCase():""}(t,n.extension);if(Si(this._scene,this._environmentRotation),null!==l&&Ai(this._scene,this._environmentBlur),".hdr"===u&&!o)throw new Error("Babylon Lite cannot load only the lighting from a .hdr URL — `loadHdrEnvironment` always builds a skybox. Update lighting and skybox together, or use a .env URL.");if(".hdr"===u)await async function(e,t,n){const i=e.surface.engine,r=n?.faceSize??256,s=await fetch(t).then(e=>e.arrayBuffer()),o=vo(s),a=xo(o.data,o.width,o.height),l=So(i,Mo(i,o,r),r,zi(r,r)),c=Eo(i),u=go(l,c,a,1,i);return e._envTextures=u,gi(e),Ti(l),Ti(c),e._disposables.push(()=>{Bi(l),Bi(c)}),e.imageProcessing.toneMappingEnabled=!1,e.imageProcessing.exposure=.8,e.imageProcessing.contrast=1.2,i._dlr?.h(e,t,r),e._deferredBuilders.push(async()=>{if(u.specularCubeView){let t=n?.skyboxSize,i=n?.skyboxPosition;if(void 0===t||void 0===i){const{computeSceneSize:n}=await Promise.resolve().then(function(){return fo}),r=n(e,t);t=r.skyboxSize,i=r.rootPosition}const r=e.environmentPrimaryColor??[.08697355964132344,.08697355964132344,.2122208331110881],{buildHdrSkyboxRenderable:s}=await import("./background-hdr-skybox-BTd3RR4P.esm.min.js");e._renderables.push(await s(e,u,t/2,i,r))}}),u}(this._scene,t,{useCubemapSkybox:!0,skipGround:!0,skyboxSize:20}),this._currentLightingUrl=e,this._currentSkyboxUrl=e;else{const n="auto"===l?(await import("./defaultEnvironment-DPUnnTO0.esm.min.js")).default:l??void 0;await async function(e,t,n){const i=e.surface.engine,r=fetch(t).then(e=>e.arrayBuffer()),s=mo(n.brdfUrl),o=await r,{faceBlobs:a,irradianceSH:l,width:c,mipCount:u}=po(o),h=await Promise.all(a.map(e=>createImageBitmap(e,{premultiplyAlpha:"none",colorSpaceConversion:"none"}))),d=await import("./rgbd-decode-D4WHAcMb.esm.min.js"),p=d.uploadCubemapRGBD(i,h,c,u);for(const e of h)e.close();const _=await s,f=d.decodeBrdfPng(i,_);_.close();const m=go(p,f,l,.8,i);e._envTextures=m,gi(e),Ti(p),Ti(f),e._disposables.push(()=>{Bi(p),Bi(f)}),e.imageProcessing.toneMappingEnabled=!0,e.imageProcessing.exposure=.8,e.imageProcessing.contrast=1.2;const g=n?.groundTextureUrl;g&&fetch(g).then(e=>e.blob()).then(e=>createImageBitmap(e,{premultiplyAlpha:"none"}));const b=n?.skyboxUrl,v=null!=b&&b.toLowerCase().endsWith(".dds"),y=null!=b&&(b===t||b.toLowerCase().endsWith(".env")),w=v||y||n?.skipSkybox;return i._dlr?.e(e,t,n.brdfUrl),e._deferredBuilders.push(async()=>{const t=e.environmentPrimaryColor??[.08697355964132344,.08697355964132344,.2122208331110881],{groundSize:i,skyboxSize:r,rootPosition:s}=_o(e,n?.skyboxSize),o=r/2;if(!w){const n=await import("./background-solid-skybox-BlAFqRVA.esm.min.js");e._renderables.push(n.buildSolidSkyboxRenderable(e,m,o,s,t))}if(v){const n=await import("./background-dds-skybox-De6RohmZ.esm.min.js");e._renderables.push(await n.buildDdsSkyboxRenderable(e,o,s,t,b))}if(y){const n=await import("./background-hdr-skybox-BTd3RR4P.esm.min.js");e._renderables.push(await n.buildHdrSkyboxRenderable(e,m,o,s,t))}}),m}(this._scene,t,{brdfUrl:(await import("./defaultBRDF-BCnyNPOr.esm.min.js")).default,skyboxUrl:n,skipSkybox:!o,skipGround:!0,skyboxSize:20}),this._currentLightingUrl=e,o&&(this._currentSkyboxUrl=l)}this._applyImageProcessingToScene(),this._sceneRegistered&&await this._beginRendering(),this._sceneRegistered&&this._container&&await this._rebuildModelPbrForEnvironment(),c(i,r),this.onEnvironmentChanged.notifyObservers()}catch(e){throw e instanceof t||this.onEnvironmentError.notifyObservers(e),e}}get postProcessing(){return{toneMapping:this._toneMapping,contrast:this._contrast,exposure:this._exposure,ssao:this._ssaoOption}}set postProcessing(e){let t=!1;void 0!==e.toneMapping&&e.toneMapping!==this._toneMapping&&(this._toneMapping=e.toneMapping,t=!0),void 0!==e.exposure&&e.exposure!==this._exposure&&(this._exposure=e.exposure,t=!0),void 0!==e.contrast&&e.contrast!==this._contrast&&(this._contrast=e.contrast,t=!0),void 0!==e.ssao&&e.ssao!==this._ssaoOption&&(this._ssaoOption=e.ssao,"disabled"!==e.ssao&&r.Warn("Viewer: SSAO is not supported by Babylon Lite."),t=!0),t&&(this._applyImageProcessingDynamic(),this.onPostProcessingChanged.notifyObservers())}_applyImageProcessingDynamic(){u(this._pbrRebuildLock.lockAsync(async()=>await async function(e,t){const n=e.imageProcessing,i=n.toneMappingEnabled,r=n.toneMapping?.id??Os.id;Object.assign(n,t);const s=n.toneMappingEnabled!==i,o=n.toneMapping?.id??Os.id,a=n.toneMappingEnabled&&o!==r;(s||a)&&await Ss(e)}(this._scene,this._liteImageProcessingUpdate())))}async _rebuildModelPbrForEnvironment(){await this._pbrRebuildLock.lockAsync(async()=>{await Ss(this._scene)})}_liteImageProcessingUpdate(){const e=function(e){switch(e){case"standard":return Os;case"aces":return Ts;case"neutral":return Bs;case"none":return}}(this._toneMapping);return{toneMappingEnabled:void 0!==e,toneMapping:e,exposure:this._exposure,contrast:this._contrast}}_applyImageProcessingToScene(){Object.assign(this._scene.imageProcessing,this._liteImageProcessingUpdate())}async updateShadows(e,t){if("high"===e.quality)throw new Error("Babylon Lite does not support 'high' shadow quality. Use 'normal' or 'none'.");return await super.updateShadows(e,t)}async _updateShadowsImpl(e,t,n){r.Warn("Babylon Lite cannot toggle shadow quality after the model is loaded. Set `shadowConfig.quality` in the viewer constructor options instead, or recreate the viewer to change shadow rendering.")}async _setupShadows(e,t){if(!this._container||"none"===this._shadowQuality)return;const n=[...this._scene.meshes];if(0===n.length)return;const i=n.some(e=>!!e.morphTargets),r=n.some(e=>!!e.skeleton),s=i||r?await import("./viewerShadows-Dn87sbg2.esm.min.js"):void 0;c(e,t);const o=this._computeModelBounds()??{min:[-1,-1,-1],center:[0,0,0],radius:1},a=o.min[1],[l,u,h]=o.center,d=o.radius,p=[...Za],_=Math.sqrt(p[0]**2+p[1]**2+p[2]**2),f=3*d,m=Ji(p,1);m.position.set(l-p[0]/_*f,u-p[1]/_*f,h-p[2]/_*f),Hn(this._scene,m),this._shadowLight=m,this._rotateShadowLightWithEnvironment();const g=1e3*d,b=Hr(this._engine,{radius:g,tessellation:64});b.rotation.x=Math.PI/2,b.position.y=a,b.receiveShadows=!0;const v=fs({});var y,w;w={color:[0,0,0],opacity:.3,falloff:1},(y=v)._shadowOnly=!0,w?.color&&(y._shadowOnlyColor=w.color),void 0!==w?.opacity&&(y._shadowOnlyOpacity=w.opacity),void 0!==w?.falloff&&(y._shadowOnlyFalloff=w.falloff),Ir(bs),b.material=v,Hn(this._scene,b),this._shadowGround=b;const x=100*f;this._shadowGenerator=Yo(this._engine,m,{orthoMinZ:0,orthoMaxZ:x,blurKernel:48}),i&&s?.enableMorphTargetShadows(this._shadowGenerator),r&&s?.enableSkeletonShadows(this._shadowGenerator),ws(this._shadowGenerator,n),m.shadowGenerator=this._shadowGenerator??void 0}_rotateShadowLightWithEnvironment(){const e=this._shadowLight,t=this._computeModelBounds();if(!e||!t)return;const n=-this._environmentRotation,i=Math.cos(n),r=Math.sin(n),s=Za[0]*i+Za[2]*r,o=Za[1],a=-.12*r+Za[2]*i,l=Math.sqrt(s**2+o**2+a**2),c=3*t.radius,[u,h,d]=t.center;e.direction.set(s,o,a),e.position.set(u-s/l*c,h-o/l*c,d-a/l*c)}async _loadModelImpl(e,n,i,s){if(void 0===e){const e=null!==this._modelSource;return this._unloadCurrentModel(),void(e&&this.onModelChanged.notifyObservers(null))}const o=this._beginLoadOperation();try{if("string"!=typeof e)throw r.Warn("Viewer: Only string URLs are supported for model loading. File and ArrayBufferView sources are not supported."),new Error("Unsupported model source type");this._unloadCurrentModel();const t=e;if(n?.pluginExtension){const e=n.pluginExtension.startsWith(".")?n.pluginExtension:`.${n.pluginExtension}`;t.toLowerCase().endsWith(e.toLowerCase())}const o=await ao(this._engine,t);c(i,s),this._container=o,this._modelSource=e,this._setupAnimations(),Hn(this._scene,o),this._frameCameraToModel(!1,!0),"none"!==this._shadowQuality&&await this._setupShadows(i,s),this._sceneRegistered&&"none"===this._shadowQuality&&this._modelMaterialGroupBuilt||await this._beginRendering(),this._modelMaterialGroupBuilt=!0,o.clearColor&&(this._scene.clearColor=o.clearColor,this.onClearColorChanged.notifyObservers()),this._options?.selectedMaterialVariant&&(this.selectedMaterialVariant=this._options.selectedMaterialVariant),this.onModelChanged.notifyObservers(e)}catch(e){throw e instanceof t||this.onModelError.notifyObservers(e),e}finally{o.dispose()}}_unloadCurrentModel(){if(this._selectedAnimation=-1,this._wasPlaying=!1,this._lastProgress=-1,this._container){null!==this._selectedMaterialVariant&&(uo(this._container),this._selectedMaterialVariant=null);const e=this._container.animationGroups;if(e){for(const t of e)_a(t);for(const t of e){const e=this._scene.animationGroups.indexOf(t);e>=0&&this._scene.animationGroups.splice(e,1)}}for(const e of co(this._container))li(this._scene,e)}if(this._shadowGround&&(li(this._scene,this._shadowGround),Kt(this._shadowGround),this._shadowGround=null),this._shadowLight){const e=this._scene.lights.indexOf(this._shadowLight);e>=0&&this._scene.lights.splice(e,1),this._shadowLight=null}this._shadowGenerator=null,this._container=null,this._modelSource=null,this._cachedModelBounds=null}get animations(){const e=this._container?.animationGroups;return e&&0!==e.length?e.map(e=>e.name):[]}get selectedAnimation(){return this._selectedAnimation}set selectedAnimation(e){const t=this._container?.animationGroups;if(!t||0===t.length)return this._selectedAnimation=-1,void this.onSelectedAnimationChanged.notifyObservers();const n=e>=0&&e<t.length?e:-1;if(n===this._selectedAnimation)return;const i=this._getActiveAnimationGroup(),r=i?.isPlaying??!1;this._selectedAnimation=n,this._isolateSelectedAnimation(),this._cachedModelBounds=null,this._frameCameraToModel(!0),this.onSelectedAnimationChanged.notifyObservers(),r&&this.playAnimation()}get animationSpeed(){return this._animationSpeed}set animationSpeed(e){this._animationSpeed=e;const t=this._getActiveAnimationGroup();t&&(t.speedRatio=e),this.onAnimationSpeedChanged.notifyObservers()}get isAnimationPlaying(){const e=this._getActiveAnimationGroup();return!!e&&e.isPlaying}get animationProgress(){const e=this._getActiveAnimationGroup();return!e||e.duration<=0?0:Math.min(e.currentTime/e.duration,1)}set animationProgress(e){const t=this._getActiveAnimationGroup();if(!t||t.duration<=0)return;va(t,60*(e*t.duration)),this.onAnimationProgressChanged.notifyObservers()}toggleAnimation(){this.isAnimationPlaying?u(this.pauseAnimation()):this.playAnimation()}playAnimation(){const e=this._getActiveAnimationGroup();e&&(e.speedRatio=this._animationSpeed,e.loopAnimation=!0,da(e),this.onIsAnimationPlayingChanged.notifyObservers())}async pauseAnimation(){const e=this._getActiveAnimationGroup();e&&(pa(e),this.onIsAnimationPlayingChanged.notifyObservers())}_getActiveAnimationGroup(){const e=this._container?.animationGroups;return!e||this._selectedAnimation<0||this._selectedAnimation>=e.length?null:e[this._selectedAnimation]}_isolateSelectedAnimation(){const e=this._container?.animationGroups;if(e)for(let t=0;t<e.length;t++){const n=e[t];t===this._selectedAnimation?(da(n),pa(n)):_a(n)}}_setupAnimations(){const e=this._container?.animationGroups;if(!e||0===e.length)return void(this._selectedAnimation=-1);const t=this._options?.selectedAnimation??0;this._selectedAnimation=t>=0&&t<e.length?t:0,this._isolateSelectedAnimation(),this.onSelectedAnimationChanged.notifyObservers(),this._options?.animationAutoPlay&&this.playAnimation()}_pollAnimationState(){const e=this._getActiveAnimationGroup();if(!e)return;const t=e.isPlaying;if(t!==this._wasPlaying&&(this._wasPlaying=t,this.onIsAnimationPlayingChanged.notifyObservers()),t){const t=e.duration>0?e.currentTime/e.duration:0;t!==this._lastProgress&&(this._lastProgress=t,this.onAnimationProgressChanged.notifyObservers())}}get materialVariants(){return this._container?(e=this._container,e.materialVariants?.names??[]):[];var e}get selectedMaterialVariant(){return this._selectedMaterialVariant}set selectedMaterialVariant(e){e!==this._selectedMaterialVariant&&(this._selectedMaterialVariant=e,this._container&&(null===e?uo(this._container):function(e,t){const n=e.materialVariants;if(!n)return;for(const e of n.originals)e.mesh.material=e.material;const i=n.variants[t];if(i)for(const e of i)e.mesh.material=e.material}(this._container,e)),this.onSelectedMaterialVariantChanged.notifyObservers())}get camerasAsHotSpots(){return this._camerasAsHotSpots}set camerasAsHotSpots(e){e!==this._camerasAsHotSpots&&(this._camerasAsHotSpots=e,this.onCamerasAsHotSpotsChanged.notifyObservers())}queryHotSpot(e,t){return null!=this._queryHotSpot(e,t)}focusHotSpot(e){const t=new _,n=this._queryHotSpot(e,t);if(!n)return!1;u(this.pauseAnimation());const i=n.cameraOrbit,r=null==i?.[0]?void 0:Number(i[0]),s=null==i?.[1]?void 0:Number(i[1]),o=null==i?.[2]?void 0:Number(i[2]);return this._interpolateCameraTo({alpha:r,beta:s,radius:o,target:{x:t.worldPosition[0],y:t.worldPosition[1],z:t.worldPosition[2]}}),!0}_interpolateCameraTo(e){this._cameraInterpolationAbort?.abort(new t("Camera interpolation superseded."));const n=new AbortController;this._cameraInterpolationAbort=n,(async()=>{try{await Xi(this._camera,this._scene,e,n.signal)}catch{}finally{this._cameraInterpolationAbort===n&&(this._cameraInterpolationAbort=null)}})()}_queryHotSpot(e,t){const n=this.hotSpots[e];if(!n)return null;const i=tl,r=nl;if("surface"===n.type){const e=(this._container?co(this._container):[])[n.meshIndex-1];if(!e)return null;if(!this._getSurfaceHotSpotToRef(e,n.pointIndex,n.barycentric,i,r))return null}else i.x=n.position[0],i.y=n.position[1],i.z=n.position[2],r.x=n.normal[0],r.y=n.normal[1],r.z=n.normal[2];const s=this._engine.canvas,o=s.width||1,a=s.height||1,l=s.clientWidth||o,c=s.clientHeight||a,u=function(e,t,n){const i=e?.viewport;return t/n*(i?i.width/i.height:1)}(this._camera,o,a),h=dn(this._camera,u),d=h[0]*i.x+h[4]*i.y+h[8]*i.z+h[12],p=h[1]*i.x+h[5]*i.y+h[9]*i.z+h[13],_=h[3]*i.x+h[7]*i.y+h[11]*i.z+h[15];if(_<=0)t.screenPosition[0]=NaN,t.screenPosition[1]=NaN;else{const e=d/_,n=p/_;t.screenPosition[0]=(e+1)/2*l,t.screenPosition[1]=(1-n)/2*c}t.worldPosition[0]=i.x,t.worldPosition[1]=i.y,t.worldPosition[2]=i.z;const f=pn(this._camera);let m=f.x-i.x,g=f.y-i.y,b=f.z-i.z;const v=Math.hypot(m,g,b)||1;return m/=v,g/=v,b/=v,t.visibility=m*r.x+g*r.y+b*r.z,n}_getSurfaceHotSpotToRef(e,t,n,i,r){const s=Ka,o=Ja,a=el;if(!Ua(e,t[0],s)||!Ua(e,t[1],o)||!Ua(e,t[2],a))return!1;const l=s.x*n[0]+o.x*n[1]+a.x*n[2],c=s.y*n[0]+o.y*n[1]+a.y*n[2],u=s.z*n[0]+o.z*n[1]+a.z*n[2],h=o.x-s.x,d=o.y-s.y,p=o.z-s.z,_=a.x-s.x,f=a.y-s.y,m=a.z-s.z,g=d*m-p*f,b=p*_-h*m,v=h*f-d*_,y=e.worldMatrix;i.x=y[0]*l+y[4]*c+y[8]*u+y[12],i.y=y[1]*l+y[5]*c+y[9]*u+y[13],i.z=y[2]*l+y[6]*c+y[10]*u+y[14];const w=y[0]*g+y[4]*b+y[8]*v,x=y[1]*g+y[5]*b+y[9]*v,C=y[2]*g+y[6]*b+y[10]*v,A=Math.hypot(w,x,C)||1;return r.x=w/A,r.y=x/A,r.z=C/A,!0}get isModelLoaded(){return null!==this._container}_resetEnvironment(){this.environmentConfig={intensity:this._options?.environmentConfig?.intensity??Xa.environmentConfig.intensity,blur:this._options?.environmentConfig?.blur??Xa.environmentConfig.blur,rotation:this._options?.environmentConfig?.rotation??Xa.environmentConfig.rotation},u(this.resetEnvironment());const e=this._options?.environmentLighting??Xa.environmentLighting,t=this._options?.environmentSkybox??Xa.environmentSkybox;e===t?"none"!==e&&u(this.loadEnvironment(e)):("none"!==e&&u(this.loadEnvironment(e,{lighting:!0,skybox:!1})),"none"!==t&&u(this.loadEnvironment(t,{lighting:!1,skybox:!0})))}_resetAnimation(){const e=this._container?.animationGroups;e&&e.length>0&&(this._selectedAnimation=this._options?.selectedAnimation??0,this._animationSpeed=this._options?.animationSpeed??1,this._isolateSelectedAnimation(),this.onSelectedAnimationChanged.notifyObservers(),this.onAnimationSpeedChanged.notifyObservers(),this._options?.animationAutoPlay&&this.playAnimation())}_resetCamera(e){this._resetCameraCore(void 0,e),this.cameraAutoOrbit=this._options?.cameraAutoOrbit?{enabled:this._options.cameraAutoOrbit.enabled??Xa.cameraAutoOrbit.enabled,speed:this._options.cameraAutoOrbit.speed??Xa.cameraAutoOrbit.speed,delay:this._options.cameraAutoOrbit.delay??Xa.cameraAutoOrbit.delay}:{...Xa.cameraAutoOrbit}}_resetPostProcessing(){this.postProcessing={toneMapping:this._options?.postProcessing?.toneMapping??Xa.postProcessing.toneMapping,contrast:this._options?.postProcessing?.contrast??Xa.postProcessing.contrast,exposure:this._options?.postProcessing?.exposure??Xa.postProcessing.exposure,ssao:this._options?.postProcessing?.ssao??Xa.postProcessing.ssao}}async _beginRendering(){await this._renderLoopLock.lockAsync(async()=>{this._isDisposed||(this._stopRenderLoop(),this._sceneRegistered&&(Qn(this._scene),this._sceneRegistered=!1),"none"===this._shadowQuality?await async function(e){const t=e,n=t.surface;$t(n,t)||(await qn(e),t._renderables.sort(Yn),await Promise.all(t._frameGraph._tasks.map(e=>e._preload?.())),t._frameGraph.build(),n._renderingContexts[0]&&(await import("./swapchain-overlay-CKIgRD0Z.esm.min.js")).configureSwapchainOverlayScene(n,t),jn?.get(t)?.()||Nt(n,t))}(this._scene):await Xn(this._scene),this._isDisposed||(this._sceneRegistered=!0,await this._startRenderLoop()))})}async _startRenderLoop(){if(this._renderLoopRunning||this._isDisposed||this._suspendRenderCount>0)return;this._renderLoopRunning=!0;const e=Gt(this._engine),t=new Promise(e=>this._renderLoopStopped=e);await Promise.race([e,t]),this._renderLoopStopped=null}_stopRenderLoop(){this._renderLoopRunning&&(Ut(this._engine),this._renderLoopRunning=!1),this._renderLoopStopped?.(),this._renderLoopStopped=null}_suspendRendering(){0===this._suspendRenderCount++&&u(this._renderLoopLock.lockAsync(()=>this._stopRenderLoop()));let e=!1;return{dispose:()=>{e||(e=!0,0===--this._suspendRenderCount&&u(this._renderLoopLock.lockAsync(async()=>await this._startRenderLoop())))}}}dispose(){this._isDisposed||(this._deviceLostRecovery.disable(),this._detachControl?.(),this._detachControl=null,this._cameraInterpolationAbort?.abort(new t("Viewer disposed.")),this._cameraInterpolationAbort=null,this._engine.canvas.removeEventListener("pointerdown",this._onPointerActivity),this._engine.canvas.removeEventListener("pointermove",this._onPointerActivity),this._engine.canvas.removeEventListener("wheel",this._onPointerActivity),this._engine.canvas.removeEventListener("dblclick",this._onCanvasDoubleClick),this._picker&&(Na(this._picker),this._picker=null),this._unloadCurrentModel(),this._stopRenderLoop(),Qn(this._scene),this._sceneRegistered=!1,function(e){const t=e;if(t._z)return;t._z=!0;const n=jn??=new WeakMap;n.set(t,()=>1),Vt(t.surface,t),(()=>{n.set(t,()=>{for(const e of t._meshDisposables.values())e.forEach(e=>e());for(const e of t._meshAuxDisposables.values())e.forEach(e=>e());return t._meshDisposables.clear(),t._meshAuxDisposables.clear(),t._disposables.splice(0).forEach(e=>e()),t._renderables.length=t._uniformUpdaters.length=0,1});for(const e of t._disposables)e();for(const e of t._meshDisposables.values())for(const t of e)t();t._meshDisposables.clear();for(const e of t._meshAuxDisposables.values())for(const t of e)t();t._meshAuxDisposables.clear();for(const e of t.meshes)nn(t,e)&&Kt(e);t._groups.clear(),t.meshes.length=0,t._renderables.length=0,t._prePasses.length=0,t._pickSources.length=0,t._uniformUpdaters.length=0,t._beforeRender.length=0,t._deferredBuilders.length=0,t._disposables.length=0,t._materialSwapQueue.length=0,t.lights.length=0,t.animationGroups.length=0,t.shadowGenerators.length=0,t.camera=null})()}(this._scene),function(e){Lt(e),Ut(e);const t=e._surfaces;for(const e of t)e._renderingContexts.length=0,e._ro?.disconnect(),e._context.unconfigure();t.length=0,e._disposeStorageBuffers?.(),e._device.destroy()}(this._engine),super.dispose())}async _handleDoubleClick(e,t){if(this._container){const n=new Set(co(this._container));this._picker??={_detailedPicking:!1,_device:null,_scene:this._scene,_rt:null,_sceneUbo:null,_sceneBG:null,_contributors:null,_pending:null};const i=await function(e,t,n,i){const r=(e._pending??Promise.resolve()).then(()=>$a(e,t,n,i),()=>$a(e,t,n,i));return e._pending=r.then(()=>{},()=>{}),r}(this._picker,e,t,{filter:e=>n.has(e)});if(this._isDisposed)return;if(i.hit&&i.pickedPoint)return void this._focusCameraOnPoint(i.pickedPoint)}this.resetCamera(!0)}_focusCameraOnPoint(e){const t=pn(this._camera),n=this._camera.target;let i=n.x-t.x,r=n.y-t.y,s=n.z-t.z;const o=Math.hypot(i,r,s)||1;i/=o,r/=o,s/=o;const a=(e[0]-t.x)*i+(e[1]-t.y)*r+(e[2]-t.z)*s;n.x=t.x+i*a,n.y=t.y+r*a,n.z=t.z+s*a,this._camera.radius=a,this._interpolateCameraTo({target:{x:e[0],y:e[1],z:e[2]}})}_updateAutoOrbit(e){if(!this._autoOrbitEnabled||this._cameraInterpolationAbort)return void(this._autoOrbitIdleTime=0);if(performance.now()-this._lastPointerTime<this._autoOrbitDelay)return void(this._autoOrbitIdleTime=0);this._autoOrbitIdleTime+=e;const t=this._autoOrbitSpeed*e/1e3;this._camera.alpha+=t}}async function rl(e,t){const n=await Ft(e,{alphaMode:"premultiplied"}),i=new il(n,t),r=function(e,t){let n=null;const i=new IntersectionObserver(e=>{e.length>0&&(e[e.length-1].isIntersecting?(n?.dispose(),n=null):n??=t())});return i.observe(e),{dispose:()=>i.disconnect()}}(e,()=>i._suspendRendering()),s=i.dispose.bind(i);return i.dispose=()=>{r.dispose(),s()},i}class sl extends tt{constructor(e={}){super(e)}get viewer(){return this._viewer}async _createViewer(e,t){return await rl(e,t)}}let ol=(()=>{let e,t,n=[A("babylon-viewer")],i=[],r=sl;return t=class extends r{constructor(e){super(e)}},w(t,"HTML3DElement"),(()=>{const s="function"==typeof Symbol&&Symbol.metadata?Object.create(r[Symbol.metadata]??null):void 0;v(null,e={value:t},n,{kind:"class",name:t.name,metadata:s},null,i),t=e.value,s&&Object.defineProperty(t,Symbol.metadata,{enumerable:!0,configurable:!0,writable:!0,value:s}),y(t,i)})(),t})();function al(e,t){customElements.define(e,class extends ol{constructor(){super(t)}})}let ll=(()=>{var e;let t,n,i,r=[A("babylon-viewer-annotation")],s=[],o=$e,a=[],l=[];return n=class extends o{get hotSpot(){return x(this,e,"f")}set hotSpot(t){C(this,e,t,"f")}connectedCallback(){super.connectedCallback(),this._internals.states?.add("invalid"),this._connectingAbortController?.abort(),this._connectingAbortController=new AbortController;const e=this._connectingAbortController.signal;(async()=>{if(this.parentElement?.matches(":not(:defined)")&&(await customElements.whenDefined(this.parentElement?.tagName.toLowerCase()),e.aborted))return;if(!(this.parentElement instanceof tt))return void console.warn("The babylon-viewer-annotation element must be a child of a babylon-viewer element.");this._mutationObserver.observe(this,{childList:!0,characterData:!0}),this._sanitizeInnerHTML();const t=this.parentElement,n=new _,i=this._updateAnnotation=()=>{if(this.hotSpot)if(t.queryHotSpot(this.hotSpot,n)){const[e,t]=n.screenPosition;this.style.transform=`translate(${e}px, ${t}px)`,this._internals.states?.delete("invalid"),n.visibility<=0?this._internals.states?.add("back-facing"):this._internals.states?.delete("back-facing")}else this._internals.states?.add("invalid")};this._updateAnnotation(),t.addEventListener("viewerrender",i),this._viewerAttachment={dispose(){t.removeEventListener("viewerrender",i)}}})()}disconnectedCallback(){super.disconnectedCallback(),this._connectingAbortController?.abort(),this._connectingAbortController=null,this._viewerAttachment?.dispose(),this._viewerAttachment=null,this._internals.states?.add("invalid"),this._updateAnnotation=null}render(){return be`<slot><div aria-label="${this.hotSpot} annotation" part="annotation" class="annotation">${this.hotSpot}</div></slot>`}update(e){super.update(e),e.has("hotSpot")&&this._updateAnnotation?.()}_sanitizeInnerHTML(){0===this.innerHTML.trim().length&&(this.innerHTML="")}constructor(){super(...arguments),this._internals=this.attachInternals(),this._mutationObserver=new MutationObserver(e=>{e.some(e=>"childList"===e.type)&&this._sanitizeInnerHTML()}),this._viewerAttachment=null,this._connectingAbortController=null,this._updateAnnotation=null,e.set(this,y(this,a,"")),y(this,l)}},e=new WeakMap,w(n,"HTML3DAnnotationElement"),(()=>{const e="function"==typeof Symbol&&Symbol.metadata?Object.create(o[Symbol.metadata]??null):void 0;i=[Y({attribute:"hotspot"})],v(n,null,i,{kind:"accessor",name:"hotSpot",static:!1,private:!1,access:{has:e=>"hotSpot"in e,get:e=>e.hotSpot,set:(e,t)=>{e.hotSpot=t}},metadata:e},a,l),v(null,t={value:n},r,{kind:"class",name:n.name,metadata:e},null,s),n=t.value,e&&Object.defineProperty(n,Symbol.metadata,{enumerable:!0,configurable:!0,writable:!0,value:e})})(),n.styles=O`:host{--annotation-foreground-color:black;--annotation-background-color:white;display:inline-block;position:absolute;transition:opacity .25s}:host([hidden]){display:none}:host(:state(back-facing)){opacity:.2}:host(:state(invalid)){display:none}.annotation{transform:translate(-50%,-135%);font-size:14px;padding:0 6px;border-radius:6px;color:var(--annotation-foreground-color);background-color:var(--annotation-background-color)}.annotation::after{content:"";position:absolute;left:50%;height:60%;aspect-ratio:1;transform:translate(-50%,110%) rotate(-45deg);background-color:inherit;clip-path:polygon(0 0,100% 100%,0 100%,0 0)}`,y(n,s),n})();export{sr as $,Cr as A,gt as B,_r as C,qr as D,ir as E,it as F,ts as G,yr as H,ot as I,Zr as J,Jr as K,kn as 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bb,lt as bc,Gi as bd,Jn as be,Ns as bf,Jo as bg,Ko as bh,Zo as bi,ia as bj,na as bk,ta as bl,ea as bm,js as bn,ra as bo,Qt as bp,Kn as bq,Nr as br,xt as bs,Un as bt,It as bu,Di as bv,dr as bw,Qi as bx,Zi as by,Ki as bz,Wr as c,xn as d,Bn as e,Cn as f,mn as g,Cs as h,$t as i,wn as j,yi as k,bn as l,Sa as m,bt as n,mt as o,ct as p,Ii as q,Tt as r,Ln as s,wt as t,In as u,Rr as v,tr as w,Pr as x,Sr as y,vr as z};
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