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This is a limitation specific to the WebXR Polyfill and does not apply\nto native implementations of the API.";class he extends r{constructor(e){super(),this[ae]={device:null,devicePromise:e,immersiveSession:null,inlineSessions:new Set},e.then(e=>{this[ae].device=e})}async isSessionSupported(e){return this[ae].device||await this[ae].devicePromise,"inline"!=e?Promise.resolve(this[ae].device.isSessionSupported(e)):Promise.resolve(!0)}async requestSession(e,t){if(!this[ae].device){if("inline"!=e)throw new Error(Ae);await this[ae].devicePromise}if(!oe.includes(e))throw new TypeError(`The provided value '${e}' is not a valid enum value of type XRSessionMode`);const i=le[e],r=i.requiredFeatures.concat(t&&t.requiredFeatures?t.requiredFeatures:[]),n=i.optionalFeatures.concat(t&&t.optionalFeatures?t.optionalFeatures:[]),s=new Set;let a=!1;for(let h of r)this[ae].device.isFeatureSupported(h)?s.add(h):(console.error(`The required feature '${h}' is not supported`),a=!0);if(a)throw new DOMException("Session does not support some required features","NotSupportedError");for(let h of n)this[ae].device.isFeatureSupported(h)?s.add(h):console.log(`The optional feature '${h}' is not supported`);const o=await this[ae].device.requestSession(e,s),l=new XRSession(this[ae].device,e,o);"inline"==e?this[ae].inlineSessions.add(l):this[ae].immersiveSession=l;const A=()=>{"inline"==e?this[ae].inlineSessions.delete(l):this[ae].immersiveSession=null,l.removeEventListener("end",A)};return l.addEventListener("end",A),l}}let ce;if("performance"in t==!1){let e=Date.now();ce=(()=>Date.now()-e)}else ce=(()=>performance.now());var de=ce;const ue=Symbol("@@webxr-polyfill/XRPose");class pe{constructor(e,t){this[ue]={transform:e,emulatedPosition:t}}get transform(){return this[ue].transform}get emulatedPosition(){return this[ue].emulatedPosition}}const fe=Symbol("@@webxr-polyfill/XRViewerPose");class me extends pe{constructor(e,t,i=!1){super(e,i),this[fe]={views:t}}get views(){return this[fe].views}}const ge=Symbol("@@webxr-polyfill/XRViewport");class ve{constructor(e){this[ge]={target:e}}get x(){return this[ge].target.x}get y(){return this[ge].target.y}get width(){return this[ge].target.width}get height(){return this[ge].target.height}}const we=["left","right","none"],ye=Symbol("@@webxr-polyfill/XRView");class be{constructor(e,t,i,r){if(!we.includes(i))throw new Error(`XREye must be one of: ${we}`);const n=Object.create(null),s=new ve(n);this[ye]={device:e,eye:i,viewport:s,temp:n,sessionId:r,transform:t}}get eye(){return this[ye].eye}get projectionMatrix(){return this[ye].device.getProjectionMatrix(this.eye)}get transform(){return this[ye].transform}_getViewport(e){if(this[ye].device.getViewport(this[ye].sessionId,this.eye,e,this[ye].temp))return this[ye].viewport}}const Ee=Symbol("@@webxr-polyfill/XRFrame"),Se="XRFrame access outside the callback that produced it is invalid.",Me="getViewerPose can only be called on XRFrame objects passed to XRSession.requestAnimationFrame callbacks.";let xe=0;class _e{constructor(e,t,i){this[Ee]={id:++xe,active:!1,animationFrame:!1,device:e,session:t,sessionId:i}}get session(){return this[Ee].session}getViewerPose(e){if(!this[Ee].animationFrame)throw new DOMException(Me,"InvalidStateError");if(!this[Ee].active)throw new DOMException(Se,"InvalidStateError");const t=this[Ee].device,i=this[Ee].session;i[ze].viewerSpace._ensurePoseUpdated(t,this[Ee].id),e._ensurePoseUpdated(t,this[Ee].id);let r=e._getSpaceRelativeTransform(i[ze].viewerSpace);const n=[];for(let s of i[ze].viewSpaces){s._ensurePoseUpdated(t,this[Ee].id);let i=e._getSpaceRelativeTransform(s),r=new be(t,i,s.eye,this[Ee].sessionId);n.push(r)}return new me(r,n,!1)}getPose(e,t){if(!this[Ee].active)throw new DOMException(Se,"InvalidStateError");const i=this[Ee].device;if("target-ray"===e._specialType||"grip"===e._specialType)return i.getInputPose(e._inputSource,t,e._specialType);{e._ensurePoseUpdated(i,this[Ee].id),t._ensurePoseUpdated(i,this[Ee].id);let r=t._getSpaceRelativeTransform(e);return r?new XRPose(r,!1):null}}}const Fe=Symbol("@@webxr-polyfill/XRRenderState"),Re=Object.freeze({depthNear:.1,depthFar:1e3,inlineVerticalFieldOfView:null,baseLayer:null});class Te{constructor(e={}){const t=Object.assign({},Re,e);this[Fe]={config:t}}get depthNear(){return this[Fe].config.depthNear}get depthFar(){return this[Fe].config.depthFar}get inlineVerticalFieldOfView(){return this[Fe].config.inlineVerticalFieldOfView}get baseLayer(){return this[Fe].config.baseLayer}}const Be=Symbol("@@webxr-polyfill/polyfilled-xr-compatible"),Pe=Symbol("@@webxr-polyfill/xr-compatible"),Ce=Symbol("@@webxr-polyfill/XRWebGLLayer"),De=Object.freeze({antialias:!0,depth:!1,stencil:!1,alpha:!0,multiview:!1,ignoreDepthValues:!1,framebufferScaleFactor:1});class Ie{constructor(e,t,i={}){const r=Object.assign({},De,i);if(!(e instanceof Ue))throw new Error("session must be a XRSession");if(e.ended)throw new Error("InvalidStateError");if(t[Be]&&!0!==t[Pe])throw new Error("InvalidStateError");const n=t.getParameter(t.FRAMEBUFFER_BINDING);this[Ce]={context:t,config:r,framebuffer:n,session:e}}get context(){return this[Ce].context}get antialias(){return this[Ce].config.antialias}get ignoreDepthValues(){return!0}get framebuffer(){return this[Ce].framebuffer}get framebufferWidth(){return this[Ce].context.drawingBufferWidth}get framebufferHeight(){return this[Ce].context.drawingBufferHeight}get _session(){return this[Ce].session}getViewport(e){return e._getViewport(this)}static getNativeFramebufferScaleFactor(e){if(!e)throw new TypeError("getNativeFramebufferScaleFactor must be passed a session.");return e[ze].ended?0:1}}const Le=Symbol("@@webxr-polyfill/XRInputSourceEvent");class Oe extends Event{constructor(e,t){super(e,t),this[Le]={frame:t.frame,inputSource:t.inputSource},Object.setPrototypeOf(this,Oe.prototype)}get frame(){return this[Le].frame}get inputSource(){return this[Le].inputSource}}const Ne=Symbol("@@webxr-polyfill/XRSessionEvent");class Ge extends Event{constructor(e,t){super(e,t),this[Ne]={session:t.session},Object.setPrototypeOf(this,Ge.prototype)}get session(){return this[Ne].session}}const Qe=Symbol("@@webxr-polyfill/XRInputSourcesChangeEvent");class ke extends Event{constructor(e,t){super(e,t),this[Qe]={session:t.session,added:t.added,removed:t.removed},Object.setPrototypeOf(this,ke.prototype)}get session(){return this[Qe].session}get added(){return this[Qe].added}get removed(){return this[Qe].removed}}const ze=Symbol("@@webxr-polyfill/XRSession");class Ve extends ee{constructor(e){super(e)}get eye(){return this._specialType}_onPoseUpdate(e){this._inverseBaseMatrix=e.getBaseViewMatrix(this._specialType)}}class Ue extends r{constructor(e,t,i){super();let r="inline"!=t,n=new Te({inlineVerticalFieldOfView:r?null:.5*Math.PI});this[ze]={device:e,mode:t,immersive:r,ended:!1,suspended:!1,frameCallbacks:[],currentFrameCallbacks:null,frameHandle:0,deviceFrameHandle:null,id:i,activeRenderState:n,pendingRenderState:null,viewerSpace:new se("viewer"),viewSpaces:[],currentInputSources:[]},r?this[ze].viewSpaces.push(new Ve("left"),new Ve("right")):this[ze].viewSpaces.push(new Ve("none")),this[ze].onDeviceFrame=(()=>{if(this[ze].ended||this[ze].suspended)return;if(this[ze].deviceFrameHandle=null,this[ze].startDeviceFrameLoop(),null!==this[ze].pendingRenderState&&(this[ze].activeRenderState=new Te(this[ze].pendingRenderState),this[ze].pendingRenderState=null,this[ze].activeRenderState.baseLayer&&this[ze].device.onBaseLayerSet(this[ze].id,this[ze].activeRenderState.baseLayer)),null===this[ze].activeRenderState.baseLayer)return;const t=new _e(e,this,this[ze].id),i=this[ze].currentFrameCallbacks=this[ze].frameCallbacks;this[ze].frameCallbacks=[],t[Ee].active=!0,t[Ee].animationFrame=!0,this[ze].device.onFrameStart(this[ze].id,this[ze].activeRenderState),this._checkInputSourcesChange();const r=de();for(let e=0;e<i.length;e++)try{i[e].cancelled||"function"!=typeof i[e].callback||i[e].callback(r,t)}catch(n){console.error(n)}this[ze].currentFrameCallbacks=null,t[Ee].active=!1,this[ze].device.onFrameEnd(this[ze].id)}),this[ze].startDeviceFrameLoop=(()=>{null===this[ze].deviceFrameHandle&&(this[ze].deviceFrameHandle=this[ze].device.requestAnimationFrame(this[ze].onDeviceFrame))}),this[ze].stopDeviceFrameLoop=(()=>{const e=this[ze].deviceFrameHandle;null!==e&&(this[ze].device.cancelAnimationFrame(e),this[ze].deviceFrameHandle=null)}),this[ze].onPresentationEnd=(t=>{if(t!==this[ze].id)return this[ze].suspended=!1,this[ze].startDeviceFrameLoop(),void this.dispatchEvent("focus",{session:this});this[ze].ended=!0,this[ze].stopDeviceFrameLoop(),e.removeEventListener("@@webxr-polyfill/vr-present-end",this[ze].onPresentationEnd),e.removeEventListener("@@webxr-polyfill/vr-present-start",this[ze].onPresentationStart),e.removeEventListener("@@webxr-polyfill/input-select-start",this[ze].onSelectStart),e.removeEventListener("@@webxr-polyfill/input-select-end",this[ze].onSelectEnd),this.dispatchEvent("end",new Ge("end",{session:this}))}),e.addEventListener("@@webxr-polyfill/vr-present-end",this[ze].onPresentationEnd),this[ze].onPresentationStart=(e=>{e!==this[ze].id&&(this[ze].suspended=!0,this[ze].stopDeviceFrameLoop(),this.dispatchEvent("blur",{session:this}))}),e.addEventListener("@@webxr-polyfill/vr-present-start",this[ze].onPresentationStart),this[ze].onSelectStart=(e=>{e.sessionId===this[ze].id&&this[ze].dispatchInputSourceEvent("selectstart",e.inputSource)}),e.addEventListener("@@webxr-polyfill/input-select-start",this[ze].onSelectStart),this[ze].onSelectEnd=(e=>{e.sessionId===this[ze].id&&(this[ze].dispatchInputSourceEvent("selectend",e.inputSource),this[ze].dispatchInputSourceEvent("select",e.inputSource))}),e.addEventListener("@@webxr-polyfill/input-select-end",this[ze].onSelectEnd),this[ze].onSqueezeStart=(e=>{e.sessionId===this[ze].id&&this[ze].dispatchInputSourceEvent("squeezestart",e.inputSource)}),e.addEventListener("@@webxr-polyfill/input-squeeze-start",this[ze].onSqueezeStart),this[ze].onSqueezeEnd=(e=>{e.sessionId===this[ze].id&&(this[ze].dispatchInputSourceEvent("squeezeend",e.inputSource),this[ze].dispatchInputSourceEvent("squeeze",e.inputSource))}),e.addEventListener("@@webxr-polyfill/input-squeeze-end",this[ze].onSqueezeEnd),this[ze].dispatchInputSourceEvent=((t,i)=>{const r=new _e(e,this,this[ze].id),n=new Oe(t,{frame:r,inputSource:i});r[Ee].active=!0,this.dispatchEvent(t,n),r[Ee].active=!1}),this[ze].startDeviceFrameLoop(),this.onblur=void 0,this.onfocus=void 0,this.onresetpose=void 0,this.onend=void 0,this.onselect=void 0,this.onselectstart=void 0,this.onselectend=void 0}get renderState(){return this[ze].activeRenderState}get environmentBlendMode(){return this[ze].device.environmentBlendMode||"opaque"}async requestReferenceSpace(e){if(this[ze].ended)return;if(!re.includes(e))throw new TypeError(`XRReferenceSpaceType must be one of ${re}`);if(!this[ze].device.doesSessionSupportReferenceSpace(this[ze].id,e))throw new DOMException(`The ${e} reference space is not supported by this session.`,"NotSupportedError");if("viewer"===e)return this[ze].viewerSpace;let t=await this[ze].device.requestFrameOfReferenceTransform(e);if("bounded-floor"===e){if(!t)throw new DOMException(`${e} XRReferenceSpace not supported by this device.`,"NotSupportedError");if(!this[ze].device.requestStageBounds())throw new DOMException(`${e} XRReferenceSpace not supported by this device.`,"NotSupportedError");throw new DOMException(`The WebXR polyfill does not support the ${e} reference space yet.`,"NotSupportedError")}return new se(e,t)}requestAnimationFrame(e){if(this[ze].ended)return;const t=++this[ze].frameHandle;return this[ze].frameCallbacks.push({handle:t,callback:e,cancelled:!1}),t}cancelAnimationFrame(e){let t=this[ze].frameCallbacks,i=t.findIndex(t=>t&&t.handle===e);i>-1&&(t[i].cancelled=!0,t.splice(i,1)),(t=this[ze].currentFrameCallbacks)&&(i=t.findIndex(t=>t&&t.handle===e))>-1&&(t[i].cancelled=!0)}get inputSources(){return this[ze].device.getInputSources()}async end(){if(!this[ze].ended)return this[ze].immersive&&(this[ze].ended=!0,this[ze].device.removeEventListener("@@webxr-polyfill/vr-present-start",this[ze].onPresentationStart),this[ze].device.removeEventListener("@@webxr-polyfill/vr-present-end",this[ze].onPresentationEnd),this[ze].device.removeEventListener("@@webxr-polyfill/input-select-start",this[ze].onSelectStart),this[ze].device.removeEventListener("@@webxr-polyfill/input-select-end",this[ze].onSelectEnd),this.dispatchEvent("end",new Ge("end",{session:this}))),this[ze].stopDeviceFrameLoop(),this[ze].device.endSession(this[ze].id)}updateRenderState(e){if(this[ze].ended){throw new Error("Can't call updateRenderState on an XRSession that has already ended.")}if(e.baseLayer&&e.baseLayer._session!==this){throw new Error("Called updateRenderState with a base layer that was created by a different session.")}if(null!==e.inlineVerticalFieldOfView&&void 0!==e.inlineVerticalFieldOfView){if(this[ze].immersive){throw new Error("inlineVerticalFieldOfView must not be set for an 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e=this.gl;this.unpatch(),e.deleteProgram(this.program),e.deleteBuffer(this.vertexBuffer),e.deleteBuffer(this.indexBuffer),e.deleteTexture(this.renderTarget),e.deleteFramebuffer(this.framebuffer),this.depthStencilBuffer&&e.deleteRenderbuffer(this.depthStencilBuffer),this.depthBuffer&&e.deleteRenderbuffer(this.depthBuffer),this.stencilBuffer&&e.deleteRenderbuffer(this.stencilBuffer),this.cardboardUI&&this.cardboardUI.destroy()},P.prototype.onResize=function(){var e=this.gl,t=this,i=[e.RENDERBUFFER_BINDING,e.TEXTURE_BINDING_2D,e.TEXTURE0];R(e,i,function(e){t.realBindFramebuffer.call(e,e.FRAMEBUFFER,null),t.scissorTest&&t.realDisable.call(e,e.SCISSOR_TEST),t.realColorMask.call(e,!0,!0,!0,!0),t.realViewport.call(e,0,0,e.drawingBufferWidth,e.drawingBufferHeight),t.realClearColor.call(e,0,0,0,1),e.clear(e.COLOR_BUFFER_BIT),t.realBindFramebuffer.call(e,e.FRAMEBUFFER,t.framebuffer),e.bindTexture(e.TEXTURE_2D,t.renderTarget),e.texImage2D(e.TEXTURE_2D,0,t.ctxAttribs.alpha?e.RGBA:e.RGB,t.bufferWidth,t.bufferHeight,0,t.ctxAttribs.alpha?e.RGBA:e.RGB,e.UNSIGNED_BYTE,null),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.LINEAR),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.LINEAR),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.framebufferTexture2D(e.FRAMEBUFFER,e.COLOR_ATTACHMENT0,e.TEXTURE_2D,t.renderTarget,0),t.ctxAttribs.depth&&t.ctxAttribs.stencil?(e.bindRenderbuffer(e.RENDERBUFFER,t.depthStencilBuffer),e.renderbufferStorage(e.RENDERBUFFER,e.DEPTH_STENCIL,t.bufferWidth,t.bufferHeight),e.framebufferRenderbuffer(e.FRAMEBUFFER,e.DEPTH_STENCIL_ATTACHMENT,e.RENDERBUFFER,t.depthStencilBuffer)):t.ctxAttribs.depth?(e.bindRenderbuffer(e.RENDERBUFFER,t.depthBuffer),e.renderbufferStorage(e.RENDERBUFFER,e.DEPTH_COMPONENT16,t.bufferWidth,t.bufferHeight),e.framebufferRenderbuffer(e.FRAMEBUFFER,e.DEPTH_ATTACHMENT,e.RENDERBUFFER,t.depthBuffer)):t.ctxAttribs.stencil&&(e.bindRenderbuffer(e.RENDERBUFFER,t.stencilBuffer),e.renderbufferStorage(e.RENDERBUFFER,e.STENCIL_INDEX8,t.bufferWidth,t.bufferHeight),e.framebufferRenderbuffer(e.FRAMEBUFFER,e.STENCIL_ATTACHMENT,e.RENDERBUFFER,t.stencilBuffer)),!e.checkFramebufferStatus(e.FRAMEBUFFER)===e.FRAMEBUFFER_COMPLETE&&console.error("Framebuffer incomplete!"),t.realBindFramebuffer.call(e,e.FRAMEBUFFER,t.lastBoundFramebuffer),t.scissorTest&&t.realEnable.call(e,e.SCISSOR_TEST),t.realColorMask.apply(e,t.colorMask),t.realViewport.apply(e,t.viewport),t.realClearColor.apply(e,t.clearColor)}),this.cardboardUI&&this.cardboardUI.onResize()},P.prototype.patch=function(){if(!this.isPatched){var e=this,t=this.gl.canvas,i=this.gl;o()||(t.width=m()*this.bufferScale,t.height=g()*this.bufferScale,Object.defineProperty(t,"width",{configurable:!0,enumerable:!0,get:function(){return e.bufferWidth},set:function(i){e.bufferWidth=i,e.realCanvasWidth.set.call(t,i),e.onResize()}}),Object.defineProperty(t,"height",{configurable:!0,enumerable:!0,get:function(){return e.bufferHeight},set:function(i){e.bufferHeight=i,e.realCanvasHeight.set.call(t,i),e.onResize()}})),this.lastBoundFramebuffer=i.getParameter(i.FRAMEBUFFER_BINDING),null==this.lastBoundFramebuffer&&(this.lastBoundFramebuffer=this.framebuffer,this.gl.bindFramebuffer(i.FRAMEBUFFER,this.framebuffer)),this.gl.bindFramebuffer=function(t,r){e.lastBoundFramebuffer=r||e.framebuffer,e.realBindFramebuffer.call(i,t,e.lastBoundFramebuffer)},this.cullFace=i.getParameter(i.CULL_FACE),this.depthTest=i.getParameter(i.DEPTH_TEST),this.blend=i.getParameter(i.BLEND),this.scissorTest=i.getParameter(i.SCISSOR_TEST),this.stencilTest=i.getParameter(i.STENCIL_TEST),i.enable=function(t){switch(t){case i.CULL_FACE:e.cullFace=!0;break;case i.DEPTH_TEST:e.depthTest=!0;break;case i.BLEND:e.blend=!0;break;case i.SCISSOR_TEST:e.scissorTest=!0;break;case i.STENCIL_TEST:e.stencilTest=!0}e.realEnable.call(i,t)},i.disable=function(t){switch(t){case i.CULL_FACE:e.cullFace=!1;break;case i.DEPTH_TEST:e.depthTest=!1;break;case i.BLEND:e.blend=!1;break;case i.SCISSOR_TEST:e.scissorTest=!1;break;case i.STENCIL_TEST:e.stencilTest=!1}e.realDisable.call(i,t)},this.colorMask=i.getParameter(i.COLOR_WRITEMASK),i.colorMask=function(t,r,n,s){e.colorMask[0]=t,e.colorMask[1]=r,e.colorMask[2]=n,e.colorMask[3]=s,e.realColorMask.call(i,t,r,n,s)},this.clearColor=i.getParameter(i.COLOR_CLEAR_VALUE),i.clearColor=function(t,r,n,s){e.clearColor[0]=t,e.clearColor[1]=r,e.clearColor[2]=n,e.clearColor[3]=s,e.realClearColor.call(i,t,r,n,s)},this.viewport=i.getParameter(i.VIEWPORT),i.viewport=function(t,r,n,s){e.viewport[0]=t,e.viewport[1]=r,e.viewport[2]=n,e.viewport[3]=s,e.realViewport.call(i,t,r,n,s)},this.isPatched=!0,S(t)}},P.prototype.unpatch=function(){if(this.isPatched){var e=this.gl,t=this.gl.canvas;o()||(Object.defineProperty(t,"width",this.realCanvasWidth),Object.defineProperty(t,"height",this.realCanvasHeight)),t.width=this.bufferWidth,t.height=this.bufferHeight,e.bindFramebuffer=this.realBindFramebuffer,e.enable=this.realEnable,e.disable=this.realDisable,e.colorMask=this.realColorMask,e.clearColor=this.realClearColor,e.viewport=this.realViewport,this.lastBoundFramebuffer==this.framebuffer&&e.bindFramebuffer(e.FRAMEBUFFER,null),this.isPatched=!1,setTimeout(function(){S(t)},1)}},P.prototype.setTextureBounds=function(e,t){e||(e=[0,0,.5,1]),t||(t=[.5,0,.5,1]),this.viewportOffsetScale[0]=e[0],this.viewportOffsetScale[1]=e[1],this.viewportOffsetScale[2]=e[2],this.viewportOffsetScale[3]=e[3],this.viewportOffsetScale[4]=t[0],this.viewportOffsetScale[5]=t[1],this.viewportOffsetScale[6]=t[2],this.viewportOffsetScale[7]=t[3]},P.prototype.submitFrame=function(){var e=this.gl,t=this,i=[];if(this.dirtySubmitFrameBindings||i.push(e.CURRENT_PROGRAM,e.ARRAY_BUFFER_BINDING,e.ELEMENT_ARRAY_BUFFER_BINDING,e.TEXTURE_BINDING_2D,e.TEXTURE0),R(e,i,function(e){t.realBindFramebuffer.call(e,e.FRAMEBUFFER,null);var i=0,r=0;t.instanceExt&&(i=e.getVertexAttrib(t.attribs.position,t.instanceExt.VERTEX_ATTRIB_ARRAY_DIVISOR_ANGLE),r=e.getVertexAttrib(t.attribs.texCoord,t.instanceExt.VERTEX_ATTRIB_ARRAY_DIVISOR_ANGLE)),t.cullFace&&t.realDisable.call(e,e.CULL_FACE),t.depthTest&&t.realDisable.call(e,e.DEPTH_TEST),t.blend&&t.realDisable.call(e,e.BLEND),t.scissorTest&&t.realDisable.call(e,e.SCISSOR_TEST),t.stencilTest&&t.realDisable.call(e,e.STENCIL_TEST),t.realColorMask.call(e,!0,!0,!0,!0),t.realViewport.call(e,0,0,e.drawingBufferWidth,e.drawingBufferHeight),(t.ctxAttribs.alpha||o())&&(t.realClearColor.call(e,0,0,0,1),e.clear(e.COLOR_BUFFER_BIT)),e.useProgram(t.program),e.bindBuffer(e.ELEMENT_ARRAY_BUFFER,t.indexBuffer),e.bindBuffer(e.ARRAY_BUFFER,t.vertexBuffer),e.enableVertexAttribArray(t.attribs.position),e.enableVertexAttribArray(t.attribs.texCoord),e.vertexAttribPointer(t.attribs.position,2,e.FLOAT,!1,20,0),e.vertexAttribPointer(t.attribs.texCoord,3,e.FLOAT,!1,20,8),t.instanceExt&&(0!=i&&t.instanceExt.vertexAttribDivisorANGLE(t.attribs.position,0),0!=r&&t.instanceExt.vertexAttribDivisorANGLE(t.attribs.texCoord,0)),e.activeTexture(e.TEXTURE0),e.uniform1i(t.uniforms.diffuse,0),e.bindTexture(e.TEXTURE_2D,t.renderTarget),e.uniform4fv(t.uniforms.viewportOffsetScale,t.viewportOffsetScale),e.drawElements(e.TRIANGLES,t.indexCount,e.UNSIGNED_SHORT,0),t.cardboardUI&&t.cardboardUI.renderNoState(),t.realBindFramebuffer.call(t.gl,e.FRAMEBUFFER,t.framebuffer),t.ctxAttribs.preserveDrawingBuffer||(t.realClearColor.call(e,0,0,0,0),e.clear(e.COLOR_BUFFER_BIT)),t.dirtySubmitFrameBindings||t.realBindFramebuffer.call(e,e.FRAMEBUFFER,t.lastBoundFramebuffer),t.cullFace&&t.realEnable.call(e,e.CULL_FACE),t.depthTest&&t.realEnable.call(e,e.DEPTH_TEST),t.blend&&t.realEnable.call(e,e.BLEND),t.scissorTest&&t.realEnable.call(e,e.SCISSOR_TEST),t.stencilTest&&t.realEnable.call(e,e.STENCIL_TEST),t.realColorMask.apply(e,t.colorMask),t.realViewport.apply(e,t.viewport),!t.ctxAttribs.alpha&&t.ctxAttribs.preserveDrawingBuffer||t.realClearColor.apply(e,t.clearColor),t.instanceExt&&(0!=i&&t.instanceExt.vertexAttribDivisorANGLE(t.attribs.position,i),0!=r&&t.instanceExt.vertexAttribDivisorANGLE(t.attribs.texCoord,r))}),o()){var r=e.canvas;r.width==t.bufferWidth&&r.height==t.bufferHeight||(t.bufferWidth=r.width,t.bufferHeight=r.height,t.onResize())}},P.prototype.updateDeviceInfo=function(e){var t=this.gl,i=this,r=[t.ARRAY_BUFFER_BINDING,t.ELEMENT_ARRAY_BUFFER_BINDING];R(t,r,function(t){var r=i.computeMeshVertices_(i.meshWidth,i.meshHeight,e);if(t.bindBuffer(t.ARRAY_BUFFER,i.vertexBuffer),t.bufferData(t.ARRAY_BUFFER,r,t.STATIC_DRAW),!i.indexCount){var n=i.computeMeshIndices_(i.meshWidth,i.meshHeight);t.bindBuffer(t.ELEMENT_ARRAY_BUFFER,i.indexBuffer),t.bufferData(t.ELEMENT_ARRAY_BUFFER,n,t.STATIC_DRAW),i.indexCount=n.length}})},P.prototype.computeMeshVertices_=function(e,t,i){for(var r=new Float32Array(2*e*t*5),n=i.getLeftEyeVisibleTanAngles(),s=i.getLeftEyeNoLensTanAngles(),o=i.getLeftEyeVisibleScreenRect(s),l=0,A=0;A<2;A++){for(var h=0;h<t;h++)for(var c=0;c<e;c++,l++){var d=c/(e-1),u=h/(t-1),p=d,f=u,m=a(n[0],n[2],d),g=a(n[3],n[1],u),v=Math.sqrt(m*m+g*g),w=i.distortion.distortInverse(v),y=m*w/v,b=g*w/v;d=(y-s[0])/(s[2]-s[0]),u=(b-s[3])/(s[1]-s[3]),d=2*(o.x+d*o.width-.5),u=2*(o.y+u*o.height-.5),r[5*l+0]=d,r[5*l+1]=u,r[5*l+2]=p,r[5*l+3]=f,r[5*l+4]=A}var E=n[2]-n[0];n[0]=-(E+n[0]),n[2]=E-n[2],E=s[2]-s[0],s[0]=-(E+s[0]),s[2]=E-s[2],o.x=1-(o.x+o.width)}return r},P.prototype.computeMeshIndices_=function(e,t){for(var i=new Uint16Array(2*(e-1)*(t-1)*6),r=e/2,n=t/2,s=0,a=0,o=0;o<2;o++)for(var l=0;l<t;l++)for(var A=0;A<e;A++,s++)0!=A&&0!=l&&(A<=r==l<=n?(i[a++]=s,i[a++]=s-e-1,i[a++]=s-e,i[a++]=s-e-1,i[a++]=s,i[a++]=s-1):(i[a++]=s-1,i[a++]=s-e,i[a++]=s,i[a++]=s-e,i[a++]=s-1,i[a++]=s-e-1));return i},P.prototype.getOwnPropertyDescriptor_=function(e,t){var i=Object.getOwnPropertyDescriptor(e,t);return void 0!==i.get&&void 0!==i.set||(i.configurable=!0,i.enumerable=!0,i.get=function(){return this.getAttribute(t)},i.set=function(e){this.setAttribute(t,e)}),i};var C=["attribute vec2 position;","uniform mat4 projectionMat;","void main() {","  gl_Position = projectionMat * vec4( position, -1.0, 1.0 );","}"].join("\n"),D=["precision mediump float;","uniform vec4 color;","void main() {","  gl_FragColor = color;","}"].join("\n"),I=Math.PI/180,L=.3125;function O(e){this.gl=e,this.attribs={position:0},this.program=w(e,C,D,this.attribs),this.uniforms=y(e,this.program),this.vertexBuffer=e.createBuffer(),this.gearOffset=0,this.gearVertexCount=0,this.arrowOffset=0,this.arrowVertexCount=0,this.projMat=new Float32Array(16),this.listener=null,this.onResize()}function N(e){this.coefficients=e}O.prototype.destroy=function(){var e=this.gl;this.listener&&e.canvas.removeEventListener("click",this.listener,!1),e.deleteProgram(this.program),e.deleteBuffer(this.vertexBuffer)},O.prototype.listen=function(e,t){var i=this.gl.canvas;this.listener=function(r){var n=i.clientWidth/2;r.clientX>n-42&&r.clientX<n+42&&r.clientY>i.clientHeight-42?e(r):r.clientX<42&&r.clientY<42&&t(r)},i.addEventListener("click",this.listener,!1)},O.prototype.onResize=function(){var e=this.gl,t=this,i=[e.ARRAY_BUFFER_BINDING];R(e,i,function(e){var i=[],r=e.drawingBufferWidth/2,n=Math.max(screen.width,screen.height)*window.devicePixelRatio,s=e.drawingBufferWidth/n,a=s*window.devicePixelRatio,o=4*a/2,l=42*a,A=28*a/2,h=14*a;function c(e,t){var n=(90-e)*I,s=Math.cos(n),a=Math.sin(n);i.push(L*s*A+r,L*a*A+A),i.push(t*s*A+r,t*a*A+A)}i.push(r-o,l),i.push(r-o,e.drawingBufferHeight),i.push(r+o,l),i.push(r+o,e.drawingBufferHeight),t.gearOffset=i.length/2;for(var d=0;d<=6;d++){var u=60*d;c(u,1),c(u+12,1),c(u+20,.75),c(u+40,.75),c(u+48,1)}function p(t,r){i.push(h+t,e.drawingBufferHeight-h-r)}t.gearVertexCount=i.length/2-t.gearOffset,t.arrowOffset=i.length/2;var f=o/Math.sin(45*I);p(0,A),p(A,0),p(A+f,f),p(f,A+f),p(f,A-f),p(0,A),p(A,2*A),p(A+f,2*A-f),p(f,A-f),p(0,A),p(f,A-o),p(28*a,A-o),p(f,A+o),p(28*a,A+o),t.arrowVertexCount=i.length/2-t.arrowOffset,e.bindBuffer(e.ARRAY_BUFFER,t.vertexBuffer),e.bufferData(e.ARRAY_BUFFER,new Float32Array(i),e.STATIC_DRAW)})},O.prototype.render=function(){var e=this.gl,t=this,i=[e.CULL_FACE,e.DEPTH_TEST,e.BLEND,e.SCISSOR_TEST,e.STENCIL_TEST,e.COLOR_WRITEMASK,e.VIEWPORT,e.CURRENT_PROGRAM,e.ARRAY_BUFFER_BINDING];R(e,i,function(e){e.disable(e.CULL_FACE),e.disable(e.DEPTH_TEST),e.disable(e.BLEND),e.disable(e.SCISSOR_TEST),e.disable(e.STENCIL_TEST),e.colorMask(!0,!0,!0,!0),e.viewport(0,0,e.drawingBufferWidth,e.drawingBufferHeight),t.renderNoState()})},O.prototype.renderNoState=function(){var e,t,i,r,n,s,a,o,l,A,h=this.gl;h.useProgram(this.program),h.bindBuffer(h.ARRAY_BUFFER,this.vertexBuffer),h.enableVertexAttribArray(this.attribs.position),h.vertexAttribPointer(this.attribs.position,2,h.FLOAT,!1,8,0),h.uniform4f(this.uniforms.color,1,1,1,1),e=this.projMat,t=0,i=h.drawingBufferWidth,r=0,n=h.drawingBufferHeight,o=1/(t-i),l=1/(r-n),A=1/((s=.1)-(a=1024)),e[0]=-2*o,e[1]=0,e[2]=0,e[3]=0,e[4]=0,e[5]=-2*l,e[6]=0,e[7]=0,e[8]=0,e[9]=0,e[10]=2*A,e[11]=0,e[12]=(t+i)*o,e[13]=(n+r)*l,e[14]=(a+s)*A,e[15]=1,h.uniformMatrix4fv(this.uniforms.projectionMat,!1,this.projMat),h.drawArrays(h.TRIANGLE_STRIP,0,4),h.drawArrays(h.TRIANGLE_STRIP,this.gearOffset,this.gearVertexCount),h.drawArrays(h.TRIANGLE_STRIP,this.arrowOffset,this.arrowVertexCount)},N.prototype.distortInverse=function(e){for(var t=0,i=1,r=e-this.distort(t);Math.abs(i-t)>1e-4;){var n=e-this.distort(i),s=i-n*((i-t)/(n-r));t=i,i=s,r=n}return i},N.prototype.distort=function(e){for(var t=e*e,i=0,r=0;r<this.coefficients.length;r++)i=t*(i+this.coefficients[r]);return(i+1)*e};var G=Math.PI/180,Q=180/Math.PI,k=function(e,t,i){this.x=e||0,this.y=t||0,this.z=i||0};k.prototype={constructor:k,set:function(e,t,i){return this.x=e,this.y=t,this.z=i,this},copy:function(e){return this.x=e.x,this.y=e.y,this.z=e.z,this},length:function(){return Math.sqrt(this.x*this.x+this.y*this.y+this.z*this.z)},normalize:function(){var e=this.length();if(0!==e){var t=1/e;this.multiplyScalar(t)}else this.x=0,this.y=0,this.z=0;return this},multiplyScalar:function(e){this.x*=e,this.y*=e,this.z*=e},applyQuaternion:function(e){var t=this.x,i=this.y,r=this.z,n=e.x,s=e.y,a=e.z,o=e.w,l=o*t+s*r-a*i,A=o*i+a*t-n*r,h=o*r+n*i-s*t,c=-n*t-s*i-a*r;return this.x=l*o+c*-n+A*-a-h*-s,this.y=A*o+c*-s+h*-n-l*-a,this.z=h*o+c*-a+l*-s-A*-n,this},dot:function(e){return this.x*e.x+this.y*e.y+this.z*e.z},crossVectors:function(e,t){var i=e.x,r=e.y,n=e.z,s=t.x,a=t.y,o=t.z;return this.x=r*o-n*a,this.y=n*s-i*o,this.z=i*a-r*s,this}};var z,V,U=function(e,t,i,r){this.x=e||0,this.y=t||0,this.z=i||0,this.w=void 0!==r?r:1};function H(e){this.width=e.width||m(),this.height=e.height||g(),this.widthMeters=e.widthMeters,this.heightMeters=e.heightMeters,this.bevelMeters=e.bevelMeters}U.prototype={constructor:U,set:function(e,t,i,r){return this.x=e,this.y=t,this.z=i,this.w=r,this},copy:function(e){return this.x=e.x,this.y=e.y,this.z=e.z,this.w=e.w,this},setFromEulerXYZ:function(e,t,i){var r=Math.cos(e/2),n=Math.cos(t/2),s=Math.cos(i/2),a=Math.sin(e/2),o=Math.sin(t/2),l=Math.sin(i/2);return this.x=a*n*s+r*o*l,this.y=r*o*s-a*n*l,this.z=r*n*l+a*o*s,this.w=r*n*s-a*o*l,this},setFromEulerYXZ:function(e,t,i){var r=Math.cos(e/2),n=Math.cos(t/2),s=Math.cos(i/2),a=Math.sin(e/2),o=Math.sin(t/2),l=Math.sin(i/2);return this.x=a*n*s+r*o*l,this.y=r*o*s-a*n*l,this.z=r*n*l-a*o*s,this.w=r*n*s+a*o*l,this},setFromAxisAngle:function(e,t){var i=t/2,r=Math.sin(i);return this.x=e.x*r,this.y=e.y*r,this.z=e.z*r,this.w=Math.cos(i),this},multiply:function(e){return this.multiplyQuaternions(this,e)},multiplyQuaternions:function(e,t){var i=e.x,r=e.y,n=e.z,s=e.w,a=t.x,o=t.y,l=t.z,A=t.w;return this.x=i*A+s*a+r*l-n*o,this.y=r*A+s*o+n*a-i*l,this.z=n*A+s*l+i*o-r*a,this.w=s*A-i*a-r*o-n*l,this},inverse:function(){return this.x*=-1,this.y*=-1,this.z*=-1,this.normalize(),this},normalize:function(){var e=Math.sqrt(this.x*this.x+this.y*this.y+this.z*this.z+this.w*this.w);return 0===e?(this.x=0,this.y=0,this.z=0,this.w=1):(e=1/e,this.x=this.x*e,this.y=this.y*e,this.z=this.z*e,this.w=this.w*e),this},slerp:function(e,t){if(0===t)return this;if(1===t)return this.copy(e);var i=this.x,r=this.y,n=this.z,s=this.w,a=s*e.w+i*e.x+r*e.y+n*e.z;if(a<0?(this.w=-e.w,this.x=-e.x,this.y=-e.y,this.z=-e.z,a=-a):this.copy(e),a>=1)return this.w=s,this.x=i,this.y=r,this.z=n,this;var o=Math.acos(a),l=Math.sqrt(1-a*a);if(Math.abs(l)<.001)return this.w=.5*(s+this.w),this.x=.5*(i+this.x),this.y=.5*(r+this.y),this.z=.5*(n+this.z),this;var A=Math.sin((1-t)*o)/l,h=Math.sin(t*o)/l;return this.w=s*A+this.w*h,this.x=i*A+this.x*h,this.y=r*A+this.y*h,this.z=n*A+this.z*h,this},setFromUnitVectors:function(e,t){return void 0===z&&(z=new k),(V=e.dot(t)+1)<1e-6?(V=0,Math.abs(e.x)>Math.abs(e.z)?z.set(-e.y,e.x,0):z.set(0,-e.z,e.y)):z.crossVectors(e,t),this.x=z.x,this.y=z.y,this.z=z.z,this.w=V,this.normalize(),this}};var X=new H({widthMeters:.11,heightMeters:.062,bevelMeters:.004}),W=new H({widthMeters:.1038,heightMeters:.0584,bevelMeters:.004}),j={CardboardV1:new Y({id:"CardboardV1",label:"Cardboard I/O 2014",fov:40,interLensDistance:.06,baselineLensDistance:.035,screenLensDistance:.042,distortionCoefficients:[.441,.156],inverseCoefficients:[-.4410035,.42756155,-.4804439,.5460139,-.58821183,.5733938,-.48303202,.33299083,-.17573841,.0651772,-.01488963,.001559834]}),CardboardV2:new Y({id:"CardboardV2",label:"Cardboard I/O 2015",fov:60,interLensDistance:.064,baselineLensDistance:.035,screenLensDistance:.039,distortionCoefficients:[.34,.55],inverseCoefficients:[-.33836704,-.18162185,.862655,-1.2462051,1.0560602,-.58208317,.21609078,-.05444823,.009177956,-.0009904169,6183535e-11,-16981803e-13]})};function q(e,t){this.viewer=j.CardboardV2,this.updateDeviceParams(e),this.distortion=new N(this.viewer.distortionCoefficients);for(var i=0;i<t.length;i++){var r=t[i];j[r.id]=new Y(r)}}function Y(e){this.id=e.id,this.label=e.label,this.fov=e.fov,this.interLensDistance=e.interLensDistance,this.baselineLensDistance=e.baselineLensDistance,this.screenLensDistance=e.screenLensDistance,this.distortionCoefficients=e.distortionCoefficients,this.inverseCoefficients=e.inverseCoefficients}q.prototype.updateDeviceParams=function(e){this.device=this.determineDevice_(e)||this.device},q.prototype.getDevice=function(){return this.device},q.prototype.setViewer=function(e){this.viewer=e,this.distortion=new N(this.viewer.distortionCoefficients)},q.prototype.determineDevice_=function(e){if(!e)return o()?(console.warn("Using fallback iOS device measurements."),W):(console.warn("Using fallback Android device measurements."),X);var t=.0254/e.xdpi,i=.0254/e.ydpi,r=m(),n=g();return new H({widthMeters:t*r,heightMeters:i*n,bevelMeters:.001*e.bevelMm})},q.prototype.getDistortedFieldOfViewLeftEye=function(){var e=this.viewer,t=this.device,i=this.distortion,r=e.screenLensDistance,n=(t.widthMeters-e.interLensDistance)/2,s=e.interLensDistance/2,a=e.baselineLensDistance-t.bevelMeters,o=t.heightMeters-a,l=Q*Math.atan(i.distort(n/r)),A=Q*Math.atan(i.distort(s/r)),h=Q*Math.atan(i.distort(a/r)),c=Q*Math.atan(i.distort(o/r));return{leftDegrees:Math.min(l,e.fov),rightDegrees:Math.min(A,e.fov),downDegrees:Math.min(h,e.fov),upDegrees:Math.min(c,e.fov)}},q.prototype.getLeftEyeVisibleTanAngles=function(){var e=this.viewer,t=this.device,i=this.distortion,r=Math.tan(-G*e.fov),n=Math.tan(G*e.fov),s=Math.tan(G*e.fov),a=Math.tan(-G*e.fov),o=t.widthMeters/4,l=t.heightMeters/2,A=e.baselineLensDistance-t.bevelMeters-l,h=e.interLensDistance/2-o,c=-A,d=e.screenLensDistance,u=i.distort((h-o)/d),p=i.distort((c+l)/d),f=i.distort((h+o)/d),m=i.distort((c-l)/d),g=new Float32Array(4);return g[0]=Math.max(r,u),g[1]=Math.min(n,p),g[2]=Math.min(s,f),g[3]=Math.max(a,m),g},q.prototype.getLeftEyeNoLensTanAngles=function(){var e=this.viewer,t=this.device,i=this.distortion,r=new Float32Array(4),n=i.distortInverse(Math.tan(-G*e.fov)),s=i.distortInverse(Math.tan(G*e.fov)),a=i.distortInverse(Math.tan(G*e.fov)),o=i.distortInverse(Math.tan(-G*e.fov)),l=t.widthMeters/4,A=t.heightMeters/2,h=e.baselineLensDistance-t.bevelMeters-A,c=e.interLensDistance/2-l,d=-h,u=e.screenLensDistance,p=(c-l)/u,f=(d+A)/u,m=(c+l)/u,g=(d-A)/u;return r[0]=Math.max(n,p),r[1]=Math.min(s,f),r[2]=Math.min(a,m),r[3]=Math.max(o,g),r},q.prototype.getLeftEyeVisibleScreenRect=function(e){var t=this.viewer,i=this.device,r=t.screenLensDistance,n=(i.widthMeters-t.interLensDistance)/2,s=t.baselineLensDistance-i.bevelMeters,a=(e[0]*r+n)/i.widthMeters,o=(e[1]*r+s)/i.heightMeters,l=(e[2]*r+n)/i.widthMeters,A=(e[3]*r+s)/i.heightMeters;return{x:a,y:A,width:l-a,height:o-A}},q.prototype.getFieldOfViewLeftEye=function(e){return e?this.getUndistortedFieldOfViewLeftEye():this.getDistortedFieldOfViewLeftEye()},q.prototype.getFieldOfViewRightEye=function(e){var t=this.getFieldOfViewLeftEye(e);return{leftDegrees:t.rightDegrees,rightDegrees:t.leftDegrees,upDegrees:t.upDegrees,downDegrees:t.downDegrees}},q.prototype.getUndistortedFieldOfViewLeftEye=function(){var e=this.getUndistortedParams_();return{leftDegrees:Q*Math.atan(e.outerDist),rightDegrees:Q*Math.atan(e.innerDist),downDegrees:Q*Math.atan(e.bottomDist),upDegrees:Q*Math.atan(e.topDist)}},q.prototype.getUndistortedViewportLeftEye=function(){var e=this.getUndistortedParams_(),t=this.viewer,i=this.device,r=t.screenLensDistance,n=i.widthMeters/r,s=i.heightMeters/r,a=i.width/n,o=i.height/s,l=Math.round((e.eyePosX-e.outerDist)*a),A=Math.round((e.eyePosY-e.bottomDist)*o);return{x:l,y:A,width:Math.round((e.eyePosX+e.innerDist)*a)-l,height:Math.round((e.eyePosY+e.topDist)*o)-A}},q.prototype.getUndistortedParams_=function(){var 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7.1"}],dpi:[432,431.9],bw:3,ac:500},{type:"ios",rules:[{res:[1242,2688]}],dpi:458,bw:4,ac:1e3},{type:"android",rules:[{mdmh:"samsung/*/SM-G570M/*"},{ua:"SM-G570M"}],dpi:320,bw:3.684,ac:1e3},{type:"android",rules:[{mdmh:"samsung/*/SM-G970F/*"},{ua:"SM-G970F"}],dpi:438,bw:2.281,ac:500},{type:"android",rules:[{mdmh:"samsung/*/SM-G973F/*"},{ua:"SM-G973F"}],dpi:550,bw:2.002,ac:500},{type:"android",rules:[{mdmh:"samsung/*/SM-G975F/*"},{ua:"SM-G975F"}],dpi:522,bw:2.054,ac:500},{type:"android",rules:[{mdmh:"samsung/*/SM-G977F/*"},{ua:"SM-G977F"}],dpi:505,bw:2.334,ac:500},{type:"ios",rules:[{res:[828,1792]}],dpi:326,bw:5,ac:500}]};function J(e,t){if(this.dpdb=Z,this.recalculateDeviceParams_(),e){this.onDeviceParamsUpdated=t;var i=new XMLHttpRequest,r=this;i.open("GET",e,!0),i.addEventListener("load",function(){r.loading=!1,i.status>=200&&i.status<=299?(r.dpdb=JSON.parse(i.response),r.recalculateDeviceParams_()):console.error("Error loading online DPDB!")}),i.send()}}function K(e){this.xdpi=e.xdpi,this.ydpi=e.ydpi,this.bevelMm=e.bevelMm}function $(e,t){this.set(e,t)}function ee(e,t){this.kFilter=e,this.isDebug=t,this.currentAccelMeasurement=new $,this.currentGyroMeasurement=new $,this.previousGyroMeasurement=new $,o()?this.filterQ=new U(-1,0,0,1):this.filterQ=new U(1,0,0,1),this.previousFilterQ=new U,this.previousFilterQ.copy(this.filterQ),this.accelQ=new U,this.isOrientationInitialized=!1,this.estimatedGravity=new k,this.measuredGravity=new k,this.gyroIntegralQ=new U}function te(e,t){this.predictionTimeS=e,this.isDebug=t,this.previousQ=new U,this.previousTimestampS=null,this.deltaQ=new U,this.outQ=new U}function ie(e,t,i,r){this.yawOnly=i,this.accelerometer=new k,this.gyroscope=new k,this.filter=new ee(e,r),this.posePredictor=new te(t,r),this.isFirefoxAndroid=h(),this.isIOS=o();var n=c();this.isDeviceMotionInRadians=!this.isIOS&&n&&n<66,this.isWithoutDeviceMotion=u()||d(),this.filterToWorldQ=new U,o()?this.filterToWorldQ.setFromAxisAngle(new k(1,0,0),Math.PI/2):this.filterToWorldQ.setFromAxisAngle(new k(1,0,0),-Math.PI/2),this.inverseWorldToScreenQ=new U,this.worldToScreenQ=new U,this.originalPoseAdjustQ=new U,this.originalPoseAdjustQ.setFromAxisAngle(new k(0,0,1),-window.orientation*Math.PI/180),this.setScreenTransform_(),f()&&this.filterToWorldQ.multiply(this.inverseWorldToScreenQ),this.resetQ=new U,this.orientationOut_=new Float32Array(4),this.start()}J.prototype.getDeviceParams=function(){return this.deviceParams},J.prototype.recalculateDeviceParams_=function(){var e=this.calcDeviceParams_();e?(this.deviceParams=e,this.onDeviceParamsUpdated&&this.onDeviceParamsUpdated(this.deviceParams)):console.error("Failed to recalculate device parameters.")},J.prototype.calcDeviceParams_=function(){var e=this.dpdb;if(!e)return console.error("DPDB not available."),null;if(1!=e.format)return console.error("DPDB has unexpected format version."),null;if(!e.devices||!e.devices.length)return console.error("DPDB does not have a devices section."),null;var t=navigator.userAgent||navigator.vendor||window.opera,i=m(),r=g();if(!e.devices)return console.error("DPDB has no devices section."),null;for(var n=0;n<e.devices.length;n++){var s=e.devices[n];if(s.rules)if("ios"==s.type||"android"==s.type){if(o()==("ios"==s.type)){for(var a=!1,l=0;l<s.rules.length;l++){var A=s.rules[l];if(this.ruleMatches_(A,t,i,r)){a=!0;break}}if(a){var h=s.dpi[0]||s.dpi,c=s.dpi[1]||s.dpi;return new K({xdpi:h,ydpi:c,bevelMm:s.bw})}}}else console.warn("Device["+n+"] has invalid type.");else console.warn("Device["+n+"] has no rules section.")}return console.warn("No DPDB device match."),null},J.prototype.ruleMatches_=function(e,t,i,r){if(!e.ua&&!e.res)return!1;if(e.ua&&"SM"===e.ua.substring(0,2)&&(e.ua=e.ua.substring(0,7)),e.ua&&t.indexOf(e.ua)<0)return!1;if(e.res){if(!e.res[0]||!e.res[1])return!1;var n=e.res[0],s=e.res[1];if(Math.min(i,r)!=Math.min(n,s)||Math.max(i,r)!=Math.max(n,s))return!1}return!0},$.prototype.set=function(e,t){this.sample=e,this.timestampS=t},$.prototype.copy=function(e){this.set(e.sample,e.timestampS)},ee.prototype.addAccelMeasurement=function(e,t){this.currentAccelMeasurement.set(e,t)},ee.prototype.addGyroMeasurement=function(e,t){this.currentGyroMeasurement.set(e,t);var i,r=t-this.previousGyroMeasurement.timestampS;i=r,!(isNaN(i)||i<=.001||i>1)&&this.run_(),this.previousGyroMeasurement.copy(this.currentGyroMeasurement)},ee.prototype.run_=function(){if(!this.isOrientationInitialized)return this.accelQ=this.accelToQuaternion_(this.currentAccelMeasurement.sample),this.previousFilterQ.copy(this.accelQ),void(this.isOrientationInitialized=!0);var e=this.currentGyroMeasurement.timestampS-this.previousGyroMeasurement.timestampS,t=this.gyroToQuaternionDelta_(this.currentGyroMeasurement.sample,e);this.gyroIntegralQ.multiply(t),this.filterQ.copy(this.previousFilterQ),this.filterQ.multiply(t);var i=new U;i.copy(this.filterQ),i.inverse(),this.estimatedGravity.set(0,0,-1),this.estimatedGravity.applyQuaternion(i),this.estimatedGravity.normalize(),this.measuredGravity.copy(this.currentAccelMeasurement.sample),this.measuredGravity.normalize();var r,n=new U;n.setFromUnitVectors(this.estimatedGravity,this.measuredGravity),n.inverse(),this.isDebug&&console.log("Delta: %d deg, G_est: (%s, %s, %s), G_meas: (%s, %s, %s)",Q*((r=n).w>1?(console.warn("getQuaternionAngle: w > 1"),0):2*Math.acos(r.w)),this.estimatedGravity.x.toFixed(1),this.estimatedGravity.y.toFixed(1),this.estimatedGravity.z.toFixed(1),this.measuredGravity.x.toFixed(1),this.measuredGravity.y.toFixed(1),this.measuredGravity.z.toFixed(1));var s=new U;s.copy(this.filterQ),s.multiply(n),this.filterQ.slerp(s,1-this.kFilter),this.previousFilterQ.copy(this.filterQ)},ee.prototype.getOrientation=function(){return this.filterQ},ee.prototype.accelToQuaternion_=function(e){var t=new k;t.copy(e),t.normalize();var i=new U;return i.setFromUnitVectors(new k(0,0,-1),t),i.inverse(),i},ee.prototype.gyroToQuaternionDelta_=function(e,t){var i=new U,r=new k;return r.copy(e),r.normalize(),i.setFromAxisAngle(r,e.length()*t),i},te.prototype.getPrediction=function(e,t,i){if(!this.previousTimestampS)return this.previousQ.copy(e),this.previousTimestampS=i,e;var r=new k;r.copy(t),r.normalize();var n=t.length();if(n<20*G)return this.isDebug&&console.log("Moving slowly, at %s deg/s: no prediction",(Q*n).toFixed(1)),this.outQ.copy(e),this.previousQ.copy(e),this.outQ;var s=n*this.predictionTimeS;return this.deltaQ.setFromAxisAngle(r,s),this.outQ.copy(this.previousQ),this.outQ.multiply(this.deltaQ),this.previousQ.copy(e),this.previousTimestampS=i,this.outQ},ie.prototype.getPosition=function(){return null},ie.prototype.getOrientation=function(){var e=void 0;if(this.isWithoutDeviceMotion&&this._deviceOrientationQ){this.deviceOrientationFixQ=this.deviceOrientationFixQ||(r=(new U).setFromAxisAngle(new k(0,0,-1),0),n=new U,-90===window.orientation?n.setFromAxisAngle(new k(0,1,0),Math.PI/-2):n.setFromAxisAngle(new k(0,1,0),Math.PI/2),r.multiply(n)),this.deviceOrientationFilterToWorldQ=this.deviceOrientationFilterToWorldQ||((i=new U).setFromAxisAngle(new k(1,0,0),-Math.PI/2),i),e=this._deviceOrientationQ;var t=new U;return t.copy(e),t.multiply(this.deviceOrientationFilterToWorldQ),t.multiply(this.resetQ),t.multiply(this.worldToScreenQ),t.multiplyQuaternions(this.deviceOrientationFixQ,t),this.yawOnly&&(t.x=0,t.z=0,t.normalize()),this.orientationOut_[0]=t.x,this.orientationOut_[1]=t.y,this.orientationOut_[2]=t.z,this.orientationOut_[3]=t.w,this.orientationOut_}var i,r,n,s=this.filter.getOrientation();e=this.posePredictor.getPrediction(s,this.gyroscope,this.previousTimestampS);var t=new U;return t.copy(this.filterToWorldQ),t.multiply(this.resetQ),t.multiply(e),t.multiply(this.worldToScreenQ),this.yawOnly&&(t.x=0,t.z=0,t.normalize()),this.orientationOut_[0]=t.x,this.orientationOut_[1]=t.y,this.orientationOut_[2]=t.z,this.orientationOut_[3]=t.w,this.orientationOut_},ie.prototype.resetPose=function(){this.resetQ.copy(this.filter.getOrientation()),this.resetQ.x=0,this.resetQ.y=0,this.resetQ.z*=-1,this.resetQ.normalize(),f()&&this.resetQ.multiply(this.inverseWorldToScreenQ),this.resetQ.multiply(this.originalPoseAdjustQ)},ie.prototype.onDeviceOrientation_=function(e){this._deviceOrientationQ=this._deviceOrientationQ||new U;var t=e.alpha,i=e.beta,r=e.gamma;t=(t||0)*Math.PI/180,i=(i||0)*Math.PI/180,r=(r||0)*Math.PI/180,this._deviceOrientationQ.setFromEulerYXZ(i,t,-r)},ie.prototype.onDeviceMotion_=function(e){this.updateDeviceMotion_(e)},ie.prototype.updateDeviceMotion_=function(e){var t=e.accelerationIncludingGravity,i=e.rotationRate,r=e.timeStamp/1e3,n=r-this.previousTimestampS;return n<0?(_("fusion-pose-sensor:invalid:non-monotonic","Invalid timestamps detected: non-monotonic timestamp from devicemotion"),void(this.previousTimestampS=r)):n<=.001||n>1?(_("fusion-pose-sensor:invalid:outside-threshold","Invalid timestamps detected: Timestamp from devicemotion outside expected range."),void(this.previousTimestampS=r)):(this.accelerometer.set(-t.x,-t.y,-t.z),i&&(p()?this.gyroscope.set(-i.beta,i.alpha,i.gamma):this.gyroscope.set(i.alpha,i.beta,i.gamma),this.isDeviceMotionInRadians||this.gyroscope.multiplyScalar(Math.PI/180),this.filter.addGyroMeasurement(this.gyroscope,r)),this.filter.addAccelMeasurement(this.accelerometer,r),void(this.previousTimestampS=r))},ie.prototype.onOrientationChange_=function(e){this.setScreenTransform_()},ie.prototype.onMessage_=function(e){var t=e.data;if(t&&t.type){var i=t.type.toLowerCase();"devicemotion"===i&&this.updateDeviceMotion_(t.deviceMotionEvent)}},ie.prototype.setScreenTransform_=function(){switch(this.worldToScreenQ.set(0,0,0,1),window.orientation){case 0:break;case 90:this.worldToScreenQ.setFromAxisAngle(new k(0,0,1),-Math.PI/2);break;case-90:this.worldToScreenQ.setFromAxisAngle(new k(0,0,1),Math.PI/2)}this.inverseWorldToScreenQ.copy(this.worldToScreenQ),this.inverseWorldToScreenQ.inverse()},ie.prototype.start=function(){var e,t,i;this.onDeviceMotionCallback_=this.onDeviceMotion_.bind(this),this.onOrientationChangeCallback_=this.onOrientationChange_.bind(this),this.onMessageCallback_=this.onMessage_.bind(this),this.onDeviceOrientationCallback_=this.onDeviceOrientation_.bind(this),o()&&(e=window.self!==window.top,t=x(document.referrer),i=x(window.location.href),e&&t!==i)&&window.addEventListener("message",this.onMessageCallback_),window.addEventListener("orientationchange",this.onOrientationChangeCallback_),this.isWithoutDeviceMotion?window.addEventListener("deviceorientation",this.onDeviceOrientationCallback_):window.addEventListener("devicemotion",this.onDeviceMotionCallback_)},ie.prototype.stop=function(){window.removeEventListener("devicemotion",this.onDeviceMotionCallback_),window.removeEventListener("deviceorientation",this.onDeviceOrientationCallback_),window.removeEventListener("orientationchange",this.onOrientationChangeCallback_),window.removeEventListener("message",this.onMessageCallback_)};var re=new k(1,0,0),ne=new k(0,0,1),se=new U;se.setFromAxisAngle(re,-Math.PI/2),se.multiply((new U).setFromAxisAngle(ne,Math.PI/2));var ae=function(){function e(t){r(this,e),this.config=t,this.sensor=null,this.fusionSensor=null,this._out=new Float32Array(4),this.api=null,this.errors=[],this._sensorQ=new U,this._outQ=new U,this._onSensorRead=this._onSensorRead.bind(this),this._onSensorError=this._onSensorError.bind(this),this.init()}return n(e,[{key:"init",value:function(){var e=null;try{(e=new RelativeOrientationSensor({frequency:60,referenceFrame:"screen"})).addEventListener("error",this._onSensorError)}catch(t){this.errors.push(t),"SecurityError"===t.name?(console.error("Cannot construct sensors due to the Feature Policy"),console.warn('Attempting to fall back using "devicemotion"; however this will fail in the future without correct permissions.'),this.useDeviceMotion()):"ReferenceError"===t.name?this.useDeviceMotion():console.error(t)}e&&(this.api="sensor",this.sensor=e,this.sensor.addEventListener("reading",this._onSensorRead),this.sensor.start())}},{key:"useDeviceMotion",value:function(){this.api="devicemotion",this.fusionSensor=new ie(this.config.K_FILTER,this.config.PREDICTION_TIME_S,this.config.YAW_ONLY,this.config.DEBUG),this.sensor&&(this.sensor.removeEventListener("reading",this._onSensorRead),this.sensor.removeEventListener("error",this._onSensorError),this.sensor=null)}},{key:"getOrientation",value:function(){if(this.fusionSensor)return this.fusionSensor.getOrientation();if(!this.sensor||!this.sensor.quaternion)return this._out[0]=this._out[1]=this._out[2]=0,this._out[3]=1,this._out;var e=this.sensor.quaternion;this._sensorQ.set(e[0],e[1],e[2],e[3]);var t=this._outQ;return t.copy(se),t.multiply(this._sensorQ),this.config.YAW_ONLY&&(t.x=t.z=0,t.normalize()),this._out[0]=t.x,this._out[1]=t.y,this._out[2]=t.z,this._out[3]=t.w,this._out}},{key:"_onSensorError",value:function(e){this.errors.push(e.error),"NotAllowedError"===e.error.name?console.error("Permission to access sensor was denied"):"NotReadableError"===e.error.name?console.error("Sensor could not be read"):console.error(e.error),this.useDeviceMotion()}},{key:"_onSensorRead",value:function(){}}]),e}();function oe(){this.loadIcon_();var e=document.createElement("div"),t=e.style;t.position="fixed",t.top=0,t.right=0,t.bottom=0,t.left=0,t.backgroundColor="gray",t.fontFamily="sans-serif",t.zIndex=1e6;var i=document.createElement("img");i.src=this.icon;var t=i.style;t.marginLeft="25%",t.marginTop="25%",t.width="50%",e.appendChild(i);var r=document.createElement("div"),t=r.style;t.textAlign="center",t.fontSize="16px",t.lineHeight="24px",t.margin="24px 25%",t.width="50%",r.innerHTML="Place your phone into your Cardboard viewer.",e.appendChild(r);var n=document.createElement("div"),t=n.style;t.backgroundColor="#CFD8DC",t.position="fixed",t.bottom=0,t.width="100%",t.height="48px",t.padding="14px 24px",t.boxSizing="border-box",t.color="#656A6B",e.appendChild(n);var s=document.createElement("div");s.style.float="left",s.innerHTML="No Cardboard viewer?";var a=document.createElement("a");a.href="https://www.google.com/get/cardboard/get-cardboard/",a.innerHTML="get one",a.target="_blank";var t=a.style;t.float="right",t.fontWeight=600,t.textTransform="uppercase",t.borderLeft="1px solid gray",t.paddingLeft="24px",t.textDecoration="none",t.color="#656A6B",n.appendChild(s),n.appendChild(a),this.overlay=e,this.text=r,this.hide()}oe.prototype.show=function(e){e||this.overlay.parentElement?e&&(this.overlay.parentElement&&this.overlay.parentElement!=e&&this.overlay.parentElement.removeChild(this.overlay),e.appendChild(this.overlay)):document.body.appendChild(this.overlay),this.overlay.style.display="block";var t=this.overlay.querySelector("img"),i=t.style;f()?(i.width="20%",i.marginLeft="40%",i.marginTop="3%"):(i.width="50%",i.marginLeft="25%",i.marginTop="25%")},oe.prototype.hide=function(){this.overlay.style.display="none"},oe.prototype.showTemporarily=function(e,t){this.show(t),this.timer=setTimeout(this.hide.bind(this),e)},oe.prototype.disableShowTemporarily=function(){clearTimeout(this.timer)},oe.prototype.update=function(){this.disableShowTemporarily(),!f()&&b()?this.show():this.hide()},oe.prototype.loadIcon_=function(){this.icon="data:image/svg+xml,"+encodeURIComponent("<svg width='198' height='240' viewBox='0 0 198 240' xmlns='http://www.w3.org/2000/svg'><g fill='none' fill-rule='evenodd'><path d='M149.625 109.527l6.737 3.891v.886c0 .177.013.36.038.549.01.081.02.162.027.242.14 1.415.974 2.998 2.105 3.999l5.72 5.062.081-.09s4.382-2.53 5.235-3.024l25.97 14.993v54.001c0 .771-.386 1.217-.948 1.217-.233 0-.495-.076-.772-.236l-23.967-13.838-.014.024-27.322 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we(e){Object.defineProperties(this,{hasPosition:{writable:!1,enumerable:!0,value:e.hasPosition},hasExternalDisplay:{writable:!1,enumerable:!0,value:e.hasExternalDisplay},canPresent:{writable:!1,enumerable:!0,value:e.canPresent},maxLayers:{writable:!1,enumerable:!0,value:e.maxLayers},hasOrientation:{enumerable:!0,get:function(){return F("VRDisplayCapabilities.prototype.hasOrientation","VRDisplay.prototype.getFrameData"),e.hasOrientation}}})}function ye(e){var t=!("wakelock"in(e=e||{}))||e.wakelock;this.isPolyfilled=!0,this.displayId=pe++,this.displayName="",this.depthNear=.01,this.depthFar=1e4,this.isPresenting=!1,Object.defineProperty(this,"isConnected",{get:function(){return F("VRDisplay.prototype.isConnected","VRDisplayCapabilities.prototype.hasExternalDisplay"),!1}}),this.capabilities=new we({hasPosition:!1,hasOrientation:!1,hasExternalDisplay:!1,canPresent:!1,maxLayers:1}),this.stageParameters=null,this.waitingForPresent_=!1,this.layer_=null,this.originalParent_=null,this.fullscreenElement_=null,this.fullscreenWrapper_=null,this.fullscreenElementCachedStyle_=null,this.fullscreenEventTarget_=null,this.fullscreenChangeHandler_=null,this.fullscreenErrorHandler_=null,t&&b()&&(this.wakelock_=new ue)}ye.prototype.getFrameData=function(e){return M(e,this._getPose(),this)},ye.prototype.getPose=function(){return F("VRDisplay.prototype.getPose","VRDisplay.prototype.getFrameData"),this._getPose()},ye.prototype.resetPose=function(){return F("VRDisplay.prototype.resetPose"),this._resetPose()},ye.prototype.getImmediatePose=function(){return F("VRDisplay.prototype.getImmediatePose","VRDisplay.prototype.getFrameData"),this._getPose()},ye.prototype.requestAnimationFrame=function(e){return ge(e)},ye.prototype.cancelAnimationFrame=function(e){return ve(e)},ye.prototype.wrapForFullscreen=function(e){if(o())return e;if(!this.fullscreenWrapper_){this.fullscreenWrapper_=document.createElement("div");var t=["height: "+Math.min(screen.height,screen.width)+"px !important","top: 0 !important","left: 0 !important","right: 0 !important","border: 0","margin: 0","padding: 0","z-index: 999999 !important","position: fixed"];this.fullscreenWrapper_.setAttribute("style",t.join("; ")+";"),this.fullscreenWrapper_.classList.add("webvr-polyfill-fullscreen-wrapper")}if(this.fullscreenElement_==e)return this.fullscreenWrapper_;if(this.fullscreenElement_&&(this.originalParent_?this.originalParent_.appendChild(this.fullscreenElement_):this.fullscreenElement_.parentElement.removeChild(this.fullscreenElement_)),this.fullscreenElement_=e,this.originalParent_=e.parentElement,this.originalParent_||document.body.appendChild(e),!this.fullscreenWrapper_.parentElement){var i=this.fullscreenElement_.parentElement;i.insertBefore(this.fullscreenWrapper_,this.fullscreenElement_),i.removeChild(this.fullscreenElement_)}this.fullscreenWrapper_.insertBefore(this.fullscreenElement_,this.fullscreenWrapper_.firstChild),this.fullscreenElementCachedStyle_=this.fullscreenElement_.getAttribute("style");var r=this;return function(){if(r.fullscreenElement_){var e=["position: absolute","top: 0","left: 0","width: "+Math.max(screen.width,screen.height)+"px","height: "+Math.min(screen.height,screen.width)+"px","border: 0","margin: 0","padding: 0"];r.fullscreenElement_.setAttribute("style",e.join("; ")+";")}}(),this.fullscreenWrapper_},ye.prototype.removeFullscreenWrapper=function(){if(this.fullscreenElement_){var e=this.fullscreenElement_;this.fullscreenElementCachedStyle_?e.setAttribute("style",this.fullscreenElementCachedStyle_):e.removeAttribute("style"),this.fullscreenElement_=null,this.fullscreenElementCachedStyle_=null;var t=this.fullscreenWrapper_.parentElement;return this.fullscreenWrapper_.removeChild(e),this.originalParent_===t?t.insertBefore(e,this.fullscreenWrapper_):this.originalParent_&&this.originalParent_.appendChild(e),t.removeChild(this.fullscreenWrapper_),e}},ye.prototype.requestPresent=function(e){var t=this.isPresenting,i=this;return e instanceof Array||(F("VRDisplay.prototype.requestPresent with non-array argument","an array of VRLayers as the first argument"),e=[e]),new Promise(function(r,n){if(i.capabilities.canPresent)if(0==e.length||e.length>i.capabilities.maxLayers)n(new Error("Invalid number of layers."));else{var s=e[0];if(s.source){var a=s.leftBounds||fe,A=s.rightBounds||me;if(t){var h=i.layer_;h.source!==s.source&&(h.source=s.source);for(var c=0;c<4;c++)h.leftBounds[c]=a[c],h.rightBounds[c]=A[c];return i.wrapForFullscreen(i.layer_.source),i.updatePresent_(),void r()}if(i.layer_={predistorted:s.predistorted,source:s.source,leftBounds:a.slice(0),rightBounds:A.slice(0)},i.waitingForPresent_=!1,i.layer_&&i.layer_.source){var d=i.wrapForFullscreen(i.layer_.source);i.addFullscreenListeners_(d,function(){var e=document.fullscreenElement||document.webkitFullscreenElement||document.mozFullScreenElement||document.msFullscreenElement;i.isPresenting=d===e,i.isPresenting?(screen.orientation&&screen.orientation.lock&&screen.orientation.lock("landscape-primary").catch(function(e){console.error("screen.orientation.lock() failed due to",e.message)}),i.waitingForPresent_=!1,i.beginPresent_(),r()):(screen.orientation&&screen.orientation.unlock&&screen.orientation.unlock(),i.removeFullscreenWrapper(),i.disableWakeLock(),i.endPresent_(),i.removeFullscreenListeners_()),i.fireVRDisplayPresentChange_()},function(){i.waitingForPresent_&&(i.removeFullscreenWrapper(),i.removeFullscreenListeners_(),i.disableWakeLock(),i.waitingForPresent_=!1,i.isPresenting=!1,n(new Error("Unable to present.")))}),function(e){if(l())return!1;if(e.requestFullscreen)e.requestFullscreen();else if(e.webkitRequestFullscreen)e.webkitRequestFullscreen();else if(e.mozRequestFullScreen)e.mozRequestFullScreen();else{if(!e.msRequestFullscreen)return!1;e.msRequestFullscreen()}return!0}(d)?(i.enableWakeLock(),i.waitingForPresent_=!0):(o()||l())&&(i.enableWakeLock(),i.isPresenting=!0,i.beginPresent_(),i.fireVRDisplayPresentChange_(),r())}i.waitingForPresent_||o()||(v(),n(new Error("Unable to present.")))}else r()}else n(new Error("VRDisplay is not capable of presenting."))})},ye.prototype.exitPresent=function(){var e=this.isPresenting,t=this;return this.isPresenting=!1,this.layer_=null,this.disableWakeLock(),new Promise(function(i,r){e?(!v()&&o()&&(t.endPresent_(),t.fireVRDisplayPresentChange_()),l()&&(t.removeFullscreenWrapper(),t.removeFullscreenListeners_(),t.endPresent_(),t.fireVRDisplayPresentChange_()),i()):r(new Error("Was not presenting to VRDisplay."))})},ye.prototype.getLayers=function(){return this.layer_?[this.layer_]:[]},ye.prototype.fireVRDisplayPresentChange_=function(){var e=new CustomEvent("vrdisplaypresentchange",{detail:{display:this}});window.dispatchEvent(e)},ye.prototype.fireVRDisplayConnect_=function(){var e=new CustomEvent("vrdisplayconnect",{detail:{display:this}});window.dispatchEvent(e)},ye.prototype.addFullscreenListeners_=function(e,t,i){this.removeFullscreenListeners_(),this.fullscreenEventTarget_=e,this.fullscreenChangeHandler_=t,this.fullscreenErrorHandler_=i,t&&(document.fullscreenEnabled?e.addEventListener("fullscreenchange",t,!1):document.webkitFullscreenEnabled?e.addEventListener("webkitfullscreenchange",t,!1):document.mozFullScreenEnabled?document.addEventListener("mozfullscreenchange",t,!1):document.msFullscreenEnabled&&e.addEventListener("msfullscreenchange",t,!1)),i&&(document.fullscreenEnabled?e.addEventListener("fullscreenerror",i,!1):document.webkitFullscreenEnabled?e.addEventListener("webkitfullscreenerror",i,!1):document.mozFullScreenEnabled?document.addEventListener("mozfullscreenerror",i,!1):document.msFullscreenEnabled&&e.addEventListener("msfullscreenerror",i,!1))},ye.prototype.removeFullscreenListeners_=function(){if(this.fullscreenEventTarget_){var e=this.fullscreenEventTarget_;if(this.fullscreenChangeHandler_){var t=this.fullscreenChangeHandler_;e.removeEventListener("fullscreenchange",t,!1),e.removeEventListener("webkitfullscreenchange",t,!1),document.removeEventListener("mozfullscreenchange",t,!1),e.removeEventListener("msfullscreenchange",t,!1)}if(this.fullscreenErrorHandler_){var i=this.fullscreenErrorHandler_;e.removeEventListener("fullscreenerror",i,!1),e.removeEventListener("webkitfullscreenerror",i,!1),document.removeEventListener("mozfullscreenerror",i,!1),e.removeEventListener("msfullscreenerror",i,!1)}this.fullscreenEventTarget_=null,this.fullscreenChangeHandler_=null,this.fullscreenErrorHandler_=null}},ye.prototype.enableWakeLock=function(){this.wakelock_&&this.wakelock_.enable()},ye.prototype.disableWakeLock=function(){this.wakelock_&&this.wakelock_.disable()},ye.prototype.beginPresent_=function(){},ye.prototype.endPresent_=function(){},ye.prototype.submitFrame=function(e){},ye.prototype.getEyeParameters=function(e){return null};var be={ADDITIONAL_VIEWERS:[],DEFAULT_VIEWER:"",MOBILE_WAKE_LOCK:!0,DEBUG:!1,DPDB_URL:"https://dpdb.webvr.rocks/dpdb.json",K_FILTER:.98,PREDICTION_TIME_S:.04,CARDBOARD_UI_DISABLED:!1,ROTATE_INSTRUCTIONS_DISABLED:!1,YAW_ONLY:!1,BUFFER_SCALE:.5,DIRTY_SUBMIT_FRAME_BINDINGS:!1},Ee={LEFT:"left",RIGHT:"right"};function Se(e){var t=E({},be);e=E(t,e||{}),ye.call(this,{wakelock:e.MOBILE_WAKE_LOCK}),this.config=e,this.displayName="Cardboard VRDisplay",this.capabilities=new we({hasPosition:!1,hasOrientation:!0,hasExternalDisplay:!1,canPresent:!0,maxLayers:1}),this.stageParameters=null,this.bufferScale_=this.config.BUFFER_SCALE,this.poseSensor_=new ae(this.config),this.distorter_=null,this.cardboardUI_=null,this.dpdb_=new J(this.config.DPDB_URL,this.onDeviceParamsUpdated_.bind(this)),this.deviceInfo_=new q(this.dpdb_.getDeviceParams(),e.ADDITIONAL_VIEWERS),this.viewerSelector_=new he(e.DEFAULT_VIEWER),this.viewerSelector_.onChange(this.onViewerChanged_.bind(this)),this.deviceInfo_.setViewer(this.viewerSelector_.getCurrentViewer()),this.config.ROTATE_INSTRUCTIONS_DISABLED||(this.rotateInstructions_=new oe),o()&&window.addEventListener("resize",this.onResize_.bind(this))}return Se.prototype=Object.create(ye.prototype),Se.prototype._getPose=function(){return{position:null,orientation:this.poseSensor_.getOrientation(),linearVelocity:null,linearAcceleration:null,angularVelocity:null,angularAcceleration:null}},Se.prototype._resetPose=function(){this.poseSensor_.resetPose&&this.poseSensor_.resetPose()},Se.prototype._getFieldOfView=function(e){var t;if(e==Ee.LEFT)t=this.deviceInfo_.getFieldOfViewLeftEye();else{if(e!=Ee.RIGHT)return console.error("Invalid eye provided: %s",e),null;t=this.deviceInfo_.getFieldOfViewRightEye()}return t},Se.prototype._getEyeOffset=function(e){var t;if(e==Ee.LEFT)t=[.5*-this.deviceInfo_.viewer.interLensDistance,0,0];else{if(e!=Ee.RIGHT)return console.error("Invalid eye provided: %s",e),null;t=[.5*this.deviceInfo_.viewer.interLensDistance,0,0]}return t},Se.prototype.getEyeParameters=function(e){var t=this._getEyeOffset(e),i=this._getFieldOfView(e),r={offset:t,renderWidth:.5*this.deviceInfo_.device.width*this.bufferScale_,renderHeight:this.deviceInfo_.device.height*this.bufferScale_};return Object.defineProperty(r,"fieldOfView",{enumerable:!0,get:function(){return F("VRFieldOfView","VRFrameData's projection matrices"),i}}),r},Se.prototype.onDeviceParamsUpdated_=function(e){this.config.DEBUG&&console.log("DPDB reported that device params were updated."),this.deviceInfo_.updateDeviceParams(e),this.distorter_&&this.distorter_.updateDeviceInfo(this.deviceInfo_)},Se.prototype.updateBounds_=function(){this.layer_&&this.distorter_&&(this.layer_.leftBounds||this.layer_.rightBounds)&&this.distorter_.setTextureBounds(this.layer_.leftBounds,this.layer_.rightBounds)},Se.prototype.beginPresent_=function(){var e=this.layer_.source.getContext("webgl");e||(e=this.layer_.source.getContext("experimental-webgl")),e||(e=this.layer_.source.getContext("webgl2")),e&&(this.layer_.predistorted?this.config.CARDBOARD_UI_DISABLED||(e.canvas.width=m()*this.bufferScale_,e.canvas.height=g()*this.bufferScale_,this.cardboardUI_=new O(e)):(this.config.CARDBOARD_UI_DISABLED||(this.cardboardUI_=new O(e)),this.distorter_=new P(e,this.cardboardUI_,this.config.BUFFER_SCALE,this.config.DIRTY_SUBMIT_FRAME_BINDINGS),this.distorter_.updateDeviceInfo(this.deviceInfo_)),this.cardboardUI_&&this.cardboardUI_.listen(function(e){this.viewerSelector_.show(this.layer_.source.parentElement),e.stopPropagation(),e.preventDefault()}.bind(this),function(e){this.exitPresent(),e.stopPropagation(),e.preventDefault()}.bind(this)),this.rotateInstructions_&&(f()&&b()?this.rotateInstructions_.showTemporarily(3e3,this.layer_.source.parentElement):this.rotateInstructions_.update()),this.orientationHandler=this.onOrientationChange_.bind(this),window.addEventListener("orientationchange",this.orientationHandler),this.vrdisplaypresentchangeHandler=this.updateBounds_.bind(this),window.addEventListener("vrdisplaypresentchange",this.vrdisplaypresentchangeHandler),this.fireVRDisplayDeviceParamsChange_())},Se.prototype.endPresent_=function(){this.distorter_&&(this.distorter_.destroy(),this.distorter_=null),this.cardboardUI_&&(this.cardboardUI_.destroy(),this.cardboardUI_=null),this.rotateInstructions_&&this.rotateInstructions_.hide(),this.viewerSelector_.hide(),window.removeEventListener("orientationchange",this.orientationHandler),window.removeEventListener("vrdisplaypresentchange",this.vrdisplaypresentchangeHandler)},Se.prototype.updatePresent_=function(){this.endPresent_(),this.beginPresent_()},Se.prototype.submitFrame=function(e){if(this.distorter_)this.updateBounds_(),this.distorter_.submitFrame();else if(this.cardboardUI_&&this.layer_){var t=this.layer_.source.getContext("webgl");t||(t=this.layer_.source.getContext("experimental-webgl")),t||(t=this.layer_.source.getContext("webgl2"));var i=t.canvas;i.width==this.lastWidth&&i.height==this.lastHeight||this.cardboardUI_.onResize(),this.lastWidth=i.width,this.lastHeight=i.height,this.cardboardUI_.render()}},Se.prototype.onOrientationChange_=function(e){this.viewerSelector_.hide(),this.rotateInstructions_&&this.rotateInstructions_.update(),this.onResize_()},Se.prototype.onResize_=function(e){if(this.layer_){var t=this.layer_.source.getContext("webgl");t||(t=this.layer_.source.getContext("experimental-webgl")),t||(t=this.layer_.source.getContext("webgl2")),t.canvas.setAttribute("style",["position: absolute","top: 0","left: 0","width: 100vw","height: 100vh","border: 0","margin: 0","padding: 0px","box-sizing: content-box"].join("; ")+";"),S(t.canvas)}},Se.prototype.onViewerChanged_=function(e){this.deviceInfo_.setViewer(e),this.distorter_&&this.distorter_.updateDeviceInfo(this.deviceInfo_),this.fireVRDisplayDeviceParamsChange_()},Se.prototype.fireVRDisplayDeviceParamsChange_=function(){var e=new CustomEvent("vrdisplaydeviceparamschange",{detail:{vrdisplay:this,deviceInfo:this.deviceInfo_}});window.dispatchEvent(e)},Se.VRFrameData=function(){this.leftProjectionMatrix=new Float32Array(16),this.leftViewMatrix=new Float32Array(16),this.rightProjectionMatrix=new Float32Array(16),this.rightViewMatrix=new Float32Array(16),this.pose=null},Se.VRDisplay=ye,Se}()}),nt=tt(rt);class st extends r{constructor(e){super(),this.global=e,this.onWindowResize=this.onWindowResize.bind(this),this.global.window.addEventListener("resize",this.onWindowResize),this.environmentBlendMode="opaque"}onBaseLayerSet(e,t){throw new Error("Not implemented")}isSessionSupported(e){throw new Error("Not implemented")}isFeatureSupported(e){throw new Error("Not implemented")}async requestSession(e,t){throw new Error("Not implemented")}requestAnimationFrame(e){throw new Error("Not implemented")}onFrameStart(e){throw new Error("Not implemented")}onFrameEnd(e){throw new Error("Not implemented")}doesSessionSupportReferenceSpace(e,t){throw new Error("Not implemented")}requestStageBounds(){throw new Error("Not implemented")}async requestFrameOfReferenceTransform(e,t){}cancelAnimationFrame(e){throw new Error("Not implemented")}endSession(e){throw new Error("Not implemented")}getViewport(e,t,i,r){throw new Error("Not implemented")}getProjectionMatrix(e){throw new Error("Not implemented")}getBasePoseMatrix(){throw new Error("Not implemented")}getBaseViewMatrix(e){throw new Error("Not implemented")}getInputSources(){throw new Error("Not implemented")}getInputPose(e,t,i){throw new Error("Not implemented")}onWindowResize(){this.onWindowResize()}}let at={mapping:"",profiles:["google-daydream","generic-trigger-touchpad"],buttons:{length:3,0:null,1:null,2:0}},ot={mapping:"xr-standard",profiles:["htc-vive-focus","generic-trigger-touchpad"],buttons:{length:3,0:1,1:null,2:0}},lt={mapping:"xr-standard",profiles:["oculus-go","generic-trigger-touchpad"],buttons:{length:3,0:1,1:null,2:0},gripTransform:{orientation:[.11*Math.PI,0,0,1]}},At={mapping:"xr-standard",displayProfiles:{"Oculus Quest":["oculus-touch-v2","oculus-touch","generic-trigger-squeeze-thumbstick"]},profiles:["oculus-touch","generic-trigger-squeeze-thumbstick"],axes:{length:4,0:null,1:null,2:0,3:1},buttons:{length:7,0:1,1:2,2:null,3:0,4:3,5:4,6:null},gripTransform:{position:[0,-.02,.04,1],orientation:[.11*Math.PI,0,0,1]}},ht={mapping:"xr-standard",profiles:["htc-vive","generic-trigger-squeeze-touchpad"],displayProfiles:{"HTC Vive":["htc-vive","generic-trigger-squeeze-touchpad"],"HTC Vive DVT":["htc-vive","generic-trigger-squeeze-touchpad"],"Valve Index":["valve-index","generic-trigger-squeeze-touchpad-thumbstick"]},buttons:{length:3,0:1,1:2,2:0},gripTransform:{position:[0,0,.05,1]},targetRayTransform:{orientation:[-.08*Math.PI,0,0,1]},userAgentOverrides:{Firefox:{axes:{invert:[1,3]}}}},ct={mapping:"xr-standard",profiles:["samsung-gearvr","generic-trigger-touchpad"],buttons:{length:3,0:1,1:null,2:0},gripTransform:{orientation:[.11*Math.PI,0,0,1]}},dt={mapping:"xr-standard",profiles:["samsung-odyssey","microsoft-mixed-reality","generic-trigger-squeeze-touchpad-thumbstick"],buttons:{length:4,0:1,1:0,2:2,3:4},gripTransform:{position:[0,-.02,.04,1],orientation:[.11*Math.PI,0,0,1]}},ut={mapping:"xr-standard",profiles:["microsoft-mixed-reality","generic-trigger-squeeze-touchpad-thumbstick"],buttons:{length:4,0:1,1:0,2:2,3:4},gripTransform:{position:[0,-.02,.04,1],orientation:[.11*Math.PI,0,0,1]}},pt={"Daydream Controller":at,"Gear VR Controller":ct,"HTC Vive Focus Controller":ot,"Oculus Go Controller":lt,"Oculus Touch (Right)":At,"Oculus Touch (Left)":At,"OpenVR Gamepad":ht,"Spatial Controller (Spatial Interaction Source) 045E-065A":ut,"Spatial Controller (Spatial Interaction Source) 045E-065D":dt,"Windows Mixed Reality (Right)":ut,"Windows Mixed Reality (Left)":ut};const ft=w(.155,-.465,-.15),mt=w(-.155,-.465,-.15),gt=w(0,0,-.25),vt=w(0,0,.05),wt=w(-.08,.14,.08),yt=.4,bt=.4,Et=.61,St=.175,Mt=.12,xt=.87,_t=180/Math.PI;function Ft(e,t,i){function r(e,t,i){return e<t?t:e>i?i:e}var n=t[0]*t[0],s=t[1]*t[1],a=t[2]*t[2],o=t[3]*t[3];if("XYZ"===i)e[0]=Math.atan2(2*(t[0]*t[3]-t[1]*t[2]),o-n-s+a),e[1]=Math.asin(r(2*(t[0]*t[2]+t[1]*t[3]),-1,1)),e[2]=Math.atan2(2*(t[2]*t[3]-t[0]*t[1]),o+n-s-a);else if("YXZ"===i)e[0]=Math.asin(r(2*(t[0]*t[3]-t[1]*t[2]),-1,1)),e[1]=Math.atan2(2*(t[0]*t[2]+t[1]*t[3]),o-n-s+a),e[2]=Math.atan2(2*(t[0]*t[1]+t[2]*t[3]),o-n+s-a);else if("ZXY"===i)e[0]=Math.asin(r(2*(t[0]*t[3]+t[1]*t[2]),-1,1)),e[1]=Math.atan2(2*(t[1]*t[3]-t[2]*t[0]),o-n-s+a),e[2]=Math.atan2(2*(t[2]*t[3]-t[0]*t[1]),o-n+s-a);else if("ZYX"===i)e[0]=Math.atan2(2*(t[0]*t[3]+t[2]*t[1]),o-n-s+a),e[1]=Math.asin(r(2*(t[1]*t[3]-t[0]*t[2]),-1,1)),e[2]=Math.atan2(2*(t[0]*t[1]+t[2]*t[3]),o+n-s-a);else if("YZX"===i)e[0]=Math.atan2(2*(t[0]*t[3]-t[2]*t[1]),o-n+s-a),e[1]=Math.atan2(2*(t[1]*t[3]-t[0]*t[2]),o+n-s-a),e[2]=Math.asin(r(2*(t[0]*t[1]+t[2]*t[3]),-1,1));else{if("XZY"!==i)return void console.log("No order given for quaternion to euler conversion.");e[0]=Math.atan2(2*(t[0]*t[3]+t[1]*t[2]),o-n+s-a),e[1]=Math.atan2(2*(t[0]*t[2]+t[1]*t[3]),o+n-s-a),e[2]=Math.asin(r(2*(t[2]*t[3]-t[0]*t[1]),-1,1))}}class Rt{constructor(){this.hand="right",this.headElbowOffset=ft,this.controllerQ=N(),this.lastControllerQ=N(),this.headQ=N(),this.headPos=m(),this.elbowPos=m(),this.wristPos=m(),this.time=null,this.lastTime=null,this.rootQ=N(),this.position=m()}setHandedness(e){this.hand!=e&&(this.hand=e,"left"==this.hand?this.headElbowOffset=mt:this.headElbowOffset=ft)}update(e,t){this.time=de(),e&&(W(this.lastControllerQ,this.controllerQ),W(this.controllerQ,e)),t&&(u(this.headPos,t),p(this.headQ,t));let i=this.getHeadYawOrientation_(),r=this.quatAngle_(this.lastControllerQ,this.controllerQ);r/((this.time-this.lastTime)/1e3)>Et?k(this.rootQ,this.rootQ,i,Math.min(r/St,1)):W(this.rootQ,i);let n=w(0,0,-1);_(n,n,this.controllerQ);let s=M(n,[0,1,0]),a=this.clamp_((s-Mt)/xt,0,1),o=H(this.rootQ);z(o,o),Q(o,o,this.controllerQ);let l=this.elbowPos;y(l,this.headPos),b(l,l,this.headElbowOffset);let A=g(wt);E(A,A,a),b(l,l,A);let h=this.quatAngle_(o,N())*_t,c=(1-Math.pow(h/180,4))*(yt+(1-yt)*a*bt),d=N();k(d,d,o,c);let f=z(N(),d),m=H(o);Q(m,m,f);let v=this.wristPos;y(v,vt),_(v,v,d),b(v,v,gt),_(v,v,m),b(v,v,l);let S=g(wt);E(S,S,a),b(this.position,this.wristPos,S),_(this.position,this.position,this.rootQ),this.lastTime=this.time}getPosition(){return this.position}getHeadYawOrientation_(){let e=m();return Ft(e,this.headQ,"YXZ"),U(N(),0,e[1]*_t,0)}clamp_(e,t,i){return Math.min(Math.max(e,t),i)}quatAngle_(e,t){let i=[0,0,-1],r=[0,0,-1];return _(i,i,e),_(r,r,t),F(i,r)}}const Tt=Symbol("@@webxr-polyfill/XRRemappedGamepad"),Bt={pressed:!1,touched:!1,value:0};Object.freeze(Bt);class Pt{constructor(e,t,i){if(i||(i={}),i.userAgentOverrides)for(let o in i.userAgentOverrides)if(navigator.userAgent.includes(o)){let e=i.userAgentOverrides[o];for(let t in e)t in i?Object.assign(i[t],e[t]):i[t]=e[t];break}let r=new Array(i.axes&&i.axes.length?i.axes.length:e.axes.length),n=new Array(i.buttons&&i.buttons.length?i.buttons.length:e.buttons.length),s=null;if(i.gripTransform){let e=i.gripTransform.orientation||[0,0,0,1];d(s=o(),j(e,e),i.gripTransform.position||[0,0,0])}let a=null;if(i.targetRayTransform){let e=i.targetRayTransform.orientation||[0,0,0,1];d(a=o(),j(e,e),i.targetRayTransform.position||[0,0,0])}let l=i.profiles;i.displayProfiles&&t.displayName in i.displayProfiles&&(l=i.displayProfiles[t.displayName]),this[Tt]={gamepad:e,map:i,profiles:l||[e.id],mapping:i.mapping||e.mapping,axes:r,buttons:n,gripTransform:s,targetRayTransform:a},this._update()}_update(){let e=this[Tt].gamepad,t=this[Tt].map,i=this[Tt].axes;for(let n=0;n<i.length;++n)t.axes&&n in t.axes?null===t.axes[n]?i[n]=0:i[n]=e.axes[t.axes[n]]:i[n]=e.axes[n];if(t.axes&&t.axes.invert)for(let n of t.axes.invert)n<i.length&&(i[n]*=-1);let r=this[Tt].buttons;for(let n=0;n<r.length;++n)t.buttons&&n in t.buttons?null===t.buttons[n]?r[n]=Bt:r[n]=e.buttons[t.buttons[n]]:r[n]=e.buttons[n]}get id(){return""}get _profiles(){return this[Tt].profiles}get index(){return-1}get connected(){return this[Tt].gamepad.connected}get timestamp(){return this[Tt].gamepad.timestamp}get mapping(){return this[Tt].mapping}get axes(){return this[Tt].axes}get buttons(){return this[Tt].buttons}get hapticActuators(){return this[Tt].gamepad.hapticActuators}}class Ct{constructor(e,t,i=0,r=-1){this.polyfill=e,this.display=t,this.nativeGamepad=null,this.gamepad=null,this.inputSource=new Xe(this),this.lastPosition=m(),this.emulatedPosition=!1,this.basePoseMatrix=o(),this.outputMatrix=o(),this.primaryButtonIndex=i,this.primaryActionPressed=!1,this.primarySqueezeButtonIndex=r,this.primarySqueezeActionPressed=!1,this.handedness="",this.targetRayMode="gaze",this.armModel=null}get profiles(){return this.gamepad?this.gamepad._profiles:[]}updateFromGamepad(e){this.nativeGamepad!==e&&(this.nativeGamepad=e,this.gamepad=e?new Pt(e,this.display,pt[e.id]):null),this.handedness=""===e.hand?"none":e.hand,this.gamepad&&this.gamepad._update(),e.pose?(this.targetRayMode="tracked-pointer",this.emulatedPosition=!e.pose.hasPosition):""===e.hand&&(this.targetRayMode="gaze",this.emulatedPosition=!1)}updateBasePoseMatrix(){if(this.nativeGamepad&&this.nativeGamepad.pose){let e=this.nativeGamepad.pose,t=e.position,i=e.orientation;if(!t&&!i)return;t?(this.lastPosition[0]=t[0],this.lastPosition[1]=t[1],this.lastPosition[2]=t[2]):e.hasPosition?t=this.lastPosition:(this.armModel||(this.armModel=new Rt),this.armModel.setHandedness(this.nativeGamepad.hand),this.armModel.update(i,this.polyfill.getBasePoseMatrix()),t=this.armModel.getPosition()),d(this.basePoseMatrix,i,t)}else l(this.basePoseMatrix,this.polyfill.getBasePoseMatrix());return this.basePoseMatrix}getXRPose(e,t){switch(this.updateBasePoseMatrix(),t){case"target-ray":e._transformBasePoseMatrix(this.outputMatrix,this.basePoseMatrix),this.gamepad&&this.gamepad[Tt].targetRayTransform&&c(this.outputMatrix,this.outputMatrix,this.gamepad[Tt].targetRayTransform);break;case"grip":if(!this.nativeGamepad||!this.nativeGamepad.pose)return null;e._transformBasePoseMatrix(this.outputMatrix,this.basePoseMatrix),this.gamepad&&this.gamepad[Tt].gripTransform&&c(this.outputMatrix,this.outputMatrix,this.gamepad[Tt].gripTransform);break;default:return null}return e._adjustForOriginOffset(this.outputMatrix),new XRPose(new XRRigidTransform(this.outputMatrix),this.emulatedPosition)}}const Dt=!1,It={highRefreshRate:!0},Lt={oculus:1,openvr:1,"spatial controller (spatial interaction source)":1};let Ot=0;class Nt{constructor(e,t,i={}){if(this.mode=e,this.enabledFeatures=t,this.outputContext=null,this.immersive="immersive-vr"==e||"immersive-ar"==e,this.ended=null,this.baseLayer=null,this.id=++Ot,this.modifiedCanvasLayer=!1,this.outputContext&&!Dt){const e=i.renderContextType||"2d";this.renderContext=this.outputContext.canvas.getContext(e)}}}class Gt extends st{constructor(e,t){const{canPresent:i}=t.capabilities;super(e),this.display=t,this.frame=new e.VRFrameData,this.sessions=new Map,this.immersiveSession=null,this.canPresent=i,this.baseModelMatrix=o(),this.gamepadInputSources={},this.tempVec3=new Float32Array(3),this.onVRDisplayPresentChange=this.onVRDisplayPresentChange.bind(this),e.window.addEventListener("vrdisplaypresentchange",this.onVRDisplayPresentChange),this.CAN_USE_GAMEPAD=e.navigator&&"getGamepads"in e.navigator,this.HAS_BITMAP_SUPPORT=Je(e)}get depthNear(){return this.display.depthNear}set depthNear(e){this.display.depthNear=e}get depthFar(){return this.display.depthFar}set depthFar(e){this.display.depthFar=e}onBaseLayerSet(e,t){const i=this.sessions.get(e),r=t.context.canvas;if(i.immersive){const e=this.display.getEyeParameters("left"),n=this.display.getEyeParameters("right");r.width=2*Math.max(e.renderWidth,n.renderWidth),r.height=Math.max(e.renderHeight,n.renderHeight),this.display.requestPresent([{source:r,attributes:It}]).then(()=>{Dt||this.global.document.body.contains(r)||(i.modifiedCanvasLayer=!0,this.global.document.body.appendChild(r),$e(r)),i.baseLayer=t})}else i.baseLayer=t}isSessionSupported(e){return"immersive-ar"!=e&&("immersive-vr"!=e||!1!==this.canPresent)}isFeatureSupported(e){switch(e){case"viewer":case"local":case"local-floor":return!0;case"bounded":case"unbounded":default:return!1}}async requestSession(e,t){if(!this.isSessionSupported(e))return Promise.reject();let i="immersive-vr"==e;if(i){const e=this.global.document.createElement("canvas");if(!Dt){e.getContext("webgl")}await this.display.requestPresent([{source:e,attributes:It}])}const r=new Nt(e,t,{renderContextType:this.HAS_BITMAP_SUPPORT?"bitmaprenderer":"2d"});return this.sessions.set(r.id,r),i&&(this.immersiveSession=r,this.dispatchEvent("@@webxr-polyfill/vr-present-start",r.id)),Promise.resolve(r.id)}requestAnimationFrame(e){return this.display.requestAnimationFrame(e)}getPrimaryButtonIndex(e){let t=0,i=e.id.toLowerCase();for(let r in Lt)if(i.includes(r)){t=Lt[r];break}return Math.min(t,e.buttons.length-1)}onFrameStart(e,t){this.display.depthNear=t.depthNear,this.display.depthFar=t.depthFar,this.display.getFrameData(this.frame);const i=this.sessions.get(e);if(i.immersive&&this.CAN_USE_GAMEPAD){let e=this.gamepadInputSources;this.gamepadInputSources={};let t=this.global.navigator.getGamepads();for(let r=0;r<t.length;++r){let n=t[r];if(n&&n.displayId>0){let t=e[r];if(t||(t=new Ct(this,this.display,this.getPrimaryButtonIndex(n))),t.updateFromGamepad(n),this.gamepadInputSources[r]=t,-1!=t.primaryButtonIndex){let e=n.buttons[t.primaryButtonIndex].pressed;e&&!t.primaryActionPressed?this.dispatchEvent("@@webxr-polyfill/input-select-start",{sessionId:i.id,inputSource:t.inputSource}):!e&&t.primaryActionPressed&&this.dispatchEvent("@@webxr-polyfill/input-select-end",{sessionId:i.id,inputSource:t.inputSource}),t.primaryActionPressed=e}if(-1!=t.primarySqueezeButtonIndex){let e=n.buttons[t.primarySqueezeButtonIndex].pressed;e&&!t.primarySqueezeActionPressed?this.dispatchEvent("@@webxr-polyfill/input-squeeze-start",{sessionId:i.id,inputSource:t.inputSource}):!e&&t.primarySqueezeActionPressed&&this.dispatchEvent("@@webxr-polyfill/input-squeeze-end",{sessionId:i.id,inputSource:t.inputSource}),t.primarySqueezeActionPressed=e}}}}if(!Dt&&!i.immersive&&i.baseLayer){const e=i.baseLayer.context.canvas;f(this.frame.leftProjectionMatrix,t.inlineVerticalFieldOfView,e.width/e.height,t.depthNear,t.depthFar)}}onFrameEnd(e){const t=this.sessions.get(e);if(!t.ended&&t.baseLayer){if(t.outputContext&&(!t.immersive||this.display.capabilities.hasExternalDisplay)){const e=t.immersive&&this.display.capabilities.hasExternalDisplay,i=t.baseLayer.context.canvas,r=e?i.width/2:i.width,n=i.height;if(!Dt){const e=t.outputContext.canvas,s=e.width,a=e.height,o=t.renderContext;this.HAS_BITMAP_SUPPORT?i.transferToImageBitmap?o.transferFromImageBitmap(i.transferToImageBitmap()):this.global.createImageBitmap(i,0,0,r,n,{resizeWidth:s,resizeHeight:a}).then(e=>o.transferFromImageBitmap(e)):o.drawImage(i,0,0,r,n,0,0,s,a)}}t.immersive&&t.baseLayer&&this.display.submitFrame()}}cancelAnimationFrame(e){this.display.cancelAnimationFrame(e)}async endSession(e){const t=this.sessions.get(e);if(!t.ended)return t.immersive?this.display.exitPresent():void(t.ended=!0)}doesSessionSupportReferenceSpace(e,t){const i=this.sessions.get(e);return!i.ended&&i.enabledFeatures.has(t)}requestStageBounds(){if(this.display.stageParameters){const e=this.display.stageParameters.sizeX,t=this.display.stageParameters.sizeZ,i=[];return i.push(-e/2),i.push(-t/2),i.push(e/2),i.push(-t/2),i.push(e/2),i.push(t/2),i.push(-e/2),i.push(t/2),i}return null}async requestFrameOfReferenceTransform(e,t){return("local-floor"===e||"bounded-floor"===e)&&this.display.stageParameters&&this.display.stageParameters.sittingToStandingTransform?this.display.stageParameters.sittingToStandingTransform:null}getProjectionMatrix(e){if("left"===e)return this.frame.leftProjectionMatrix;if("right"===e)return this.frame.rightProjectionMatrix;if("none"===e)return this.frame.leftProjectionMatrix;throw new Error("eye must be of type 'left' or 'right'")}getViewport(e,t,i,r){const 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null}onWindowResize(){}onVRDisplayPresentChange(e){this.display.isPresenting||this.sessions.forEach(e=>{if(e.immersive&&!e.ended){if(e.modifiedCanvasLayer){const t=e.baseLayer.context.canvas;document.body.removeChild(t),t.setAttribute("style","")}this.immersiveSession===e&&(this.immersiveSession=null),this.dispatchEvent("@@webxr-polyfill/vr-present-end",e.id)}})}}class Qt extends Gt{constructor(e,t){const i=new nt(t||{});super(e,i),this.display=i,this.frame={rightViewMatrix:new Float32Array(16),leftViewMatrix:new Float32Array(16),rightProjectionMatrix:new Float32Array(16),leftProjectionMatrix:new Float32Array(16),pose:null,timestamp:null}}}const kt=!1;let zt=0;class Vt{constructor(e,t){this.mode=e,this.enabledFeatures=t,this.ended=null,this.baseLayer=null,this.id=++zt}}class Ut extends st{constructor(e){super(e),this.sessions=new 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this.projectionMatrix}getViewport(e,t,i,r){this.sessions.get(e);const{width:n,height:s}=i.context.canvas;return r.x=r.y=0,r.width=n,r.height=s,!0}getBasePoseMatrix(){return this.identityMatrix}getBaseViewMatrix(e){return this.identityMatrix}getInputSources(){return[]}getInputPose(e,t,i){return null}onWindowResize(){}}const Ht=async function(e){let t=null;if("getVRDisplays"in e.navigator)try{const r=await e.navigator.getVRDisplays();r&&r.length&&(t=new Gt(e,r[0]))}catch(i){}return t},Xt=async function(e,t){if(t.webvr){let t=await Ht(e);if(t)return t}let i=Ke(e);return i&&t.cardboard||!i&&t.allowCardboardOnDesktop?(e.VRFrameData||(e.VRFrameData=function(){this.rightViewMatrix=new Float32Array(16),this.leftViewMatrix=new Float32Array(16),this.rightProjectionMatrix=new Float32Array(16),this.leftProjectionMatrix=new Float32Array(16),this.pose=null}),new Qt(e,t.cardboardConfig)):new Ut(e)},Wt={global:t,webvr:!0,cardboard:!0,cardboardConfig:null,allowCardboardOnDesktop:!1},jt=["navigator","HTMLCanvasElement","WebGLRenderingContext"];class qt{constructor(e={}){this.config=Object.freeze(Object.assign({},Wt,e)),this.global=this.config.global,this.nativeWebXR="xr"in this.global.navigator,this.injected=!1,this.nativeWebXR?this._injectCompatibilityShims(this.global):this._injectPolyfill(this.global)}_injectPolyfill(e){if(!jt.every(t=>!!e[t]))throw new Error(`Global must have the following attributes : ${jt}`);for(const t of Object.keys(qe))void 0!==e[t]?console.warn(`${t} already defined on global.`):e[t]=qe[t];Ye(e.WebGLRenderingContext)&&(Ze(e.HTMLCanvasElement),e.OffscreenCanvas&&Ze(e.OffscreenCanvas),e.WebGL2RenderingContext&&Ye(e.WebGL2RenderingContext),window.isSecureContext||console.warn("WebXR Polyfill Warning:\nThis page is not running in a secure context (https:// or localhost)!\nThis means that although the page may be able to use the WebXR Polyfill it 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t[0]=a[0],t[1]=a[4],t[2]=a[8],t[3]=a[12],t[4]=a[1],t[5]=a[5],t[6]=a[9],t[7]=a[13],t[8]=a[2],t[9]=a[6],t[10]=a[10],t[11]=a[14],t[12]=a[3],t[13]=a[7],t[14]=a[11],t[15]=a[15];return t}function i(t,a){var r=a[0],n=a[1],e=a[2],o=a[3],s=a[4],u=a[5],h=a[6],M=a[7],i=a[8],c=a[9],p=a[10],f=a[11],x=a[12],b=a[13],l=a[14],v=a[15],m=r*u-n*s,P=r*h-e*s,O=r*M-o*s,E=n*h-e*u,S=n*M-o*u,y=e*M-o*h,I=i*b-c*x,L=i*l-p*x,N=i*v-f*x,R=c*l-p*b,d=c*v-f*b,g=p*v-f*l,A=m*g-P*d+O*R+E*N-S*L+y*I;return A?(A=1/A,t[0]=(u*g-h*d+M*R)*A,t[1]=(e*d-n*g-o*R)*A,t[2]=(b*y-l*S+v*E)*A,t[3]=(p*S-c*y-f*E)*A,t[4]=(h*N-s*g-M*L)*A,t[5]=(r*g-e*N+o*L)*A,t[6]=(l*O-x*y-v*P)*A,t[7]=(i*y-p*O+f*P)*A,t[8]=(s*d-u*N+M*I)*A,t[9]=(n*N-r*d-o*I)*A,t[10]=(x*S-b*O+v*m)*A,t[11]=(c*O-i*S-f*m)*A,t[12]=(u*L-s*R-h*I)*A,t[13]=(r*R-n*L+e*I)*A,t[14]=(b*P-x*E-l*m)*A,t[15]=(i*E-c*P+p*m)*A,t):null}function c(t,a){var r=a[0],n=a[1],e=a[2],o=a[3],s=a[4],u=a[5],h=a[6],M=a[7],i=a[8],c=a[9],p=a[10],f=a[11],x=a[12],b=a[13],l=a[14],v=a[15];return t[0]=u*(p*v-f*l)-c*(h*v-M*l)+b*(h*f-M*p),t[1]=-(n*(p*v-f*l)-c*(e*v-o*l)+b*(e*f-o*p)),t[2]=n*(h*v-M*l)-u*(e*v-o*l)+b*(e*M-o*h),t[3]=-(n*(h*f-M*p)-u*(e*f-o*p)+c*(e*M-o*h)),t[4]=-(s*(p*v-f*l)-i*(h*v-M*l)+x*(h*f-M*p)),t[5]=r*(p*v-f*l)-i*(e*v-o*l)+x*(e*f-o*p),t[6]=-(r*(h*v-M*l)-s*(e*v-o*l)+x*(e*M-o*h)),t[7]=r*(h*f-M*p)-s*(e*f-o*p)+i*(e*M-o*h),t[8]=s*(c*v-f*b)-i*(u*v-M*b)+x*(u*f-M*c),t[9]=-(r*(c*v-f*b)-i*(n*v-o*b)+x*(n*f-o*c)),t[10]=r*(u*v-M*b)-s*(n*v-o*b)+x*(n*M-o*u),t[11]=-(r*(u*f-M*c)-s*(n*f-o*c)+i*(n*M-o*u)),t[12]=-(s*(c*l-p*b)-i*(u*l-h*b)+x*(u*p-h*c)),t[13]=r*(c*l-p*b)-i*(n*l-e*b)+x*(n*p-e*c),t[14]=-(r*(u*l-h*b)-s*(n*l-e*b)+x*(n*h-e*u)),t[15]=r*(u*p-h*c)-s*(n*p-e*c)+i*(n*h-e*u),t}function p(t){var a=t[0],r=t[1],n=t[2],e=t[3],o=t[4],s=t[5],u=t[6],h=t[7],M=t[8],i=t[9],c=t[10],p=t[11],f=t[12],x=t[13],b=t[14],l=t[15];return(a*s-r*o)*(c*l-p*b)-(a*u-n*o)*(i*l-p*x)+(a*h-e*o)*(i*b-c*x)+(r*u-n*s)*(M*l-p*f)-(r*h-e*s)*(M*b-c*f)+(n*h-e*u)*(M*x-i*f)}function f(t,a,r){var n=a[0],e=a[1],o=a[2],s=a[3],u=a[4],h=a[5],M=a[6],i=a[7],c=a[8],p=a[9],f=a[10],x=a[11],b=a[12],l=a[13],v=a[14],m=a[15],P=r[0],O=r[1],E=r[2],S=r[3];return t[0]=P*n+O*u+E*c+S*b,t[1]=P*e+O*h+E*p+S*l,t[2]=P*o+O*M+E*f+S*v,t[3]=P*s+O*i+E*x+S*m,P=r[4],O=r[5],E=r[6],S=r[7],t[4]=P*n+O*u+E*c+S*b,t[5]=P*e+O*h+E*p+S*l,t[6]=P*o+O*M+E*f+S*v,t[7]=P*s+O*i+E*x+S*m,P=r[8],O=r[9],E=r[10],S=r[11],t[8]=P*n+O*u+E*c+S*b,t[9]=P*e+O*h+E*p+S*l,t[10]=P*o+O*M+E*f+S*v,t[11]=P*s+O*i+E*x+S*m,P=r[12],O=r[13],E=r[14],S=r[15],t[12]=P*n+O*u+E*c+S*b,t[13]=P*e+O*h+E*p+S*l,t[14]=P*o+O*M+E*f+S*v,t[15]=P*s+O*i+E*x+S*m,t}function x(t,a,r){var n,e,o,s,u,h,M,i,c,p,f,x,b=r[0],l=r[1],v=r[2];return a===t?(t[12]=a[0]*b+a[4]*l+a[8]*v+a[12],t[13]=a[1]*b+a[5]*l+a[9]*v+a[13],t[14]=a[2]*b+a[6]*l+a[10]*v+a[14],t[15]=a[3]*b+a[7]*l+a[11]*v+a[15]):(n=a[0],e=a[1],o=a[2],s=a[3],u=a[4],h=a[5],M=a[6],i=a[7],c=a[8],p=a[9],f=a[10],x=a[11],t[0]=n,t[1]=e,t[2]=o,t[3]=s,t[4]=u,t[5]=h,t[6]=M,t[7]=i,t[8]=c,t[9]=p,t[10]=f,t[11]=x,t[12]=n*b+u*l+c*v+a[12],t[13]=e*b+h*l+p*v+a[13],t[14]=o*b+M*l+f*v+a[14],t[15]=s*b+i*l+x*v+a[15]),t}function b(t,a,r){var n=r[0],e=r[1],o=r[2];return t[0]=a[0]*n,t[1]=a[1]*n,t[2]=a[2]*n,t[3]=a[3]*n,t[4]=a[4]*e,t[5]=a[5]*e,t[6]=a[6]*e,t[7]=a[7]*e,t[8]=a[8]*o,t[9]=a[9]*o,t[10]=a[10]*o,t[11]=a[11]*o,t[12]=a[12],t[13]=a[13],t[14]=a[14],t[15]=a[15],t}function l(a,r,n,e){var o,s,u,h,M,i,c,p,f,x,b,l,v,m,P,O,E,S,y,I,L,N,R,d,g=e[0],A=e[1],Y=e[2],T=Math.hypot(g,A,Y);return T<t.EPSILON?null:(g*=T=1/T,A*=T,Y*=T,o=Math.sin(n),u=1-(s=Math.cos(n)),h=r[0],M=r[1],i=r[2],c=r[3],p=r[4],f=r[5],x=r[6],b=r[7],l=r[8],v=r[9],m=r[10],P=r[11],O=g*g*u+s,E=A*g*u+Y*o,S=Y*g*u-A*o,y=g*A*u-Y*o,I=A*A*u+s,L=Y*A*u+g*o,N=g*Y*u+A*o,R=A*Y*u-g*o,d=Y*Y*u+s,a[0]=h*O+p*E+l*S,a[1]=M*O+f*E+v*S,a[2]=i*O+x*E+m*S,a[3]=c*O+b*E+P*S,a[4]=h*y+p*I+l*L,a[5]=M*y+f*I+v*L,a[6]=i*y+x*I+m*L,a[7]=c*y+b*I+P*L,a[8]=h*N+p*R+l*d,a[9]=M*N+f*R+v*d,a[10]=i*N+x*R+m*d,a[11]=c*N+b*R+P*d,r!==a&&(a[12]=r[12],a[13]=r[13],a[14]=r[14],a[15]=r[15]),a)}function v(t,a,r){var n=Math.sin(r),e=Math.cos(r),o=a[4],s=a[5],u=a[6],h=a[7],M=a[8],i=a[9],c=a[10],p=a[11];return a!==t&&(t[0]=a[0],t[1]=a[1],t[2]=a[2],t[3]=a[3],t[12]=a[12],t[13]=a[13],t[14]=a[14],t[15]=a[15]),t[4]=o*e+M*n,t[5]=s*e+i*n,t[6]=u*e+c*n,t[7]=h*e+p*n,t[8]=M*e-o*n,t[9]=i*e-s*n,t[10]=c*e-u*n,t[11]=p*e-h*n,t}function m(t,a,r){var n=Math.sin(r),e=Math.cos(r),o=a[0],s=a[1],u=a[2],h=a[3],M=a[8],i=a[9],c=a[10],p=a[11];return a!==t&&(t[4]=a[4],t[5]=a[5],t[6]=a[6],t[7]=a[7],t[12]=a[12],t[13]=a[13],t[14]=a[14],t[15]=a[15]),t[0]=o*e-M*n,t[1]=s*e-i*n,t[2]=u*e-c*n,t[3]=h*e-p*n,t[8]=o*n+M*e,t[9]=s*n+i*e,t[10]=u*n+c*e,t[11]=h*n+p*e,t}function P(t,a,r){var n=Math.sin(r),e=Math.cos(r),o=a[0],s=a[1],u=a[2],h=a[3],M=a[4],i=a[5],c=a[6],p=a[7];return a!==t&&(t[8]=a[8],t[9]=a[9],t[10]=a[10],t[11]=a[11],t[12]=a[12],t[13]=a[13],t[14]=a[14],t[15]=a[15]),t[0]=o*e+M*n,t[1]=s*e+i*n,t[2]=u*e+c*n,t[3]=h*e+p*n,t[4]=M*e-o*n,t[5]=i*e-s*n,t[6]=c*e-u*n,t[7]=p*e-h*n,t}function O(t,a){return t[0]=1,t[1]=0,t[2]=0,t[3]=0,t[4]=0,t[5]=1,t[6]=0,t[7]=0,t[8]=0,t[9]=0,t[10]=1,t[11]=0,t[12]=a[0],t[13]=a[1],t[14]=a[2],t[15]=1,t}function E(t,a){return t[0]=a[0],t[1]=0,t[2]=0,t[3]=0,t[4]=0,t[5]=a[1],t[6]=0,t[7]=0,t[8]=0,t[9]=0,t[10]=a[2],t[11]=0,t[12]=0,t[13]=0,t[14]=0,t[15]=1,t}function S(a,r,n){var e,o,s,u=n[0],h=n[1],M=n[2],i=Math.hypot(u,h,M);return i<t.EPSILON?null:(u*=i=1/i,h*=i,M*=i,e=Math.sin(r),s=1-(o=Math.cos(r)),a[0]=u*u*s+o,a[1]=h*u*s+M*e,a[2]=M*u*s-h*e,a[3]=0,a[4]=u*h*s-M*e,a[5]=h*h*s+o,a[6]=M*h*s+u*e,a[7]=0,a[8]=u*M*s+h*e,a[9]=h*M*s-u*e,a[10]=M*M*s+o,a[11]=0,a[12]=0,a[13]=0,a[14]=0,a[15]=1,a)}function y(t,a){var r=Math.sin(a),n=Math.cos(a);return t[0]=1,t[1]=0,t[2]=0,t[3]=0,t[4]=0,t[5]=n,t[6]=r,t[7]=0,t[8]=0,t[9]=-r,t[10]=n,t[11]=0,t[12]=0,t[13]=0,t[14]=0,t[15]=1,t}function I(t,a){var r=Math.sin(a),n=Math.cos(a);return t[0]=n,t[1]=0,t[2]=-r,t[3]=0,t[4]=0,t[5]=1,t[6]=0,t[7]=0,t[8]=r,t[9]=0,t[10]=n,t[11]=0,t[12]=0,t[13]=0,t[14]=0,t[15]=1,t}function L(t,a){var r=Math.sin(a),n=Math.cos(a);return t[0]=n,t[1]=r,t[2]=0,t[3]=0,t[4]=-r,t[5]=n,t[6]=0,t[7]=0,t[8]=0,t[9]=0,t[10]=1,t[11]=0,t[12]=0,t[13]=0,t[14]=0,t[15]=1,t}function N(t,a,r){var n=a[0],e=a[1],o=a[2],s=a[3],u=n+n,h=e+e,M=o+o,i=n*u,c=n*h,p=n*M,f=e*h,x=e*M,b=o*M,l=s*u,v=s*h,m=s*M;return t[0]=1-(f+b),t[1]=c+m,t[2]=p-v,t[3]=0,t[4]=c-m,t[5]=1-(i+b),t[6]=x+l,t[7]=0,t[8]=p+v,t[9]=x-l,t[10]=1-(i+f),t[11]=0,t[12]=r[0],t[13]=r[1],t[14]=r[2],t[15]=1,t}function R(a,r){var n=new t.ARRAY_TYPE(3),e=-r[0],o=-r[1],s=-r[2],u=r[3],h=r[4],M=r[5],i=r[6],c=r[7],p=e*e+o*o+s*s+u*u;return p>0?(n[0]=2*(h*u+c*e+M*s-i*o)/p,n[1]=2*(M*u+c*o+i*e-h*s)/p,n[2]=2*(i*u+c*s+h*o-M*e)/p):(n[0]=2*(h*u+c*e+M*s-i*o),n[1]=2*(M*u+c*o+i*e-h*s),n[2]=2*(i*u+c*s+h*o-M*e)),N(a,r,n),a}function d(t,a){return t[0]=a[12],t[1]=a[13],t[2]=a[14],t}function g(t,a){var r=a[0],n=a[1],e=a[2],o=a[4],s=a[5],u=a[6],h=a[8],M=a[9],i=a[10];return t[0]=Math.hypot(r,n,e),t[1]=Math.hypot(o,s,u),t[2]=Math.hypot(h,M,i),t}function A(a,r){var n=new t.ARRAY_TYPE(3);g(n,r);var e=1/n[0],o=1/n[1],s=1/n[2],u=r[0]*e,h=r[1]*o,M=r[2]*s,i=r[4]*e,c=r[5]*o,p=r[6]*s,f=r[8]*e,x=r[9]*o,b=r[10]*s,l=u+c+b,v=0;return l>0?(v=2*Math.sqrt(l+1),a[3]=.25*v,a[0]=(p-x)/v,a[1]=(f-M)/v,a[2]=(h-i)/v):u>c&&u>b?(v=2*Math.sqrt(1+u-c-b),a[3]=(p-x)/v,a[0]=.25*v,a[1]=(h+i)/v,a[2]=(f+M)/v):c>b?(v=2*Math.sqrt(1+c-u-b),a[3]=(f-M)/v,a[0]=(h+i)/v,a[1]=.25*v,a[2]=(p+x)/v):(v=2*Math.sqrt(1+b-u-c),a[3]=(h-i)/v,a[0]=(f+M)/v,a[1]=(p+x)/v,a[2]=.25*v),a}function Y(t,a,r,n){var e=a[0],o=a[1],s=a[2],u=a[3],h=e+e,M=o+o,i=s+s,c=e*h,p=e*M,f=e*i,x=o*M,b=o*i,l=s*i,v=u*h,m=u*M,P=u*i,O=n[0],E=n[1],S=n[2];return t[0]=(1-(x+l))*O,t[1]=(p+P)*O,t[2]=(f-m)*O,t[3]=0,t[4]=(p-P)*E,t[5]=(1-(c+l))*E,t[6]=(b+v)*E,t[7]=0,t[8]=(f+m)*S,t[9]=(b-v)*S,t[10]=(1-(c+x))*S,t[11]=0,t[12]=r[0],t[13]=r[1],t[14]=r[2],t[15]=1,t}function T(t,a,r,n,e){var o=a[0],s=a[1],u=a[2],h=a[3],M=o+o,i=s+s,c=u+u,p=o*M,f=o*i,x=o*c,b=s*i,l=s*c,v=u*c,m=h*M,P=h*i,O=h*c,E=n[0],S=n[1],y=n[2],I=e[0],L=e[1],N=e[2],R=(1-(b+v))*E,d=(f+O)*E,g=(x-P)*E,A=(f-O)*S,Y=(1-(p+v))*S,T=(l+m)*S,w=(x+P)*y,_=(l-m)*y,j=(1-(p+b))*y;return t[0]=R,t[1]=d,t[2]=g,t[3]=0,t[4]=A,t[5]=Y,t[6]=T,t[7]=0,t[8]=w,t[9]=_,t[10]=j,t[11]=0,t[12]=r[0]+I-(R*I+A*L+w*N),t[13]=r[1]+L-(d*I+Y*L+_*N),t[14]=r[2]+N-(g*I+T*L+j*N),t[15]=1,t}function w(t,a){var r=a[0],n=a[1],e=a[2],o=a[3],s=r+r,u=n+n,h=e+e,M=r*s,i=n*s,c=n*u,p=e*s,f=e*u,x=e*h,b=o*s,l=o*u,v=o*h;return t[0]=1-c-x,t[1]=i+v,t[2]=p-l,t[3]=0,t[4]=i-v,t[5]=1-M-x,t[6]=f+b,t[7]=0,t[8]=p+l,t[9]=f-b,t[10]=1-M-c,t[11]=0,t[12]=0,t[13]=0,t[14]=0,t[15]=1,t}function _(t,a,r,n,e,o,s){var u=1/(r-a),h=1/(e-n),M=1/(o-s);return t[0]=2*o*u,t[1]=0,t[2]=0,t[3]=0,t[4]=0,t[5]=2*o*h,t[6]=0,t[7]=0,t[8]=(r+a)*u,t[9]=(e+n)*h,t[10]=(s+o)*M,t[11]=-1,t[12]=0,t[13]=0,t[14]=s*o*2*M,t[15]=0,t}function j(t,a,r,n,e){var o,s=1/Math.tan(a/2);return t[0]=s/r,t[1]=0,t[2]=0,t[3]=0,t[4]=0,t[5]=s,t[6]=0,t[7]=0,t[8]=0,t[9]=0,t[11]=-1,t[12]=0,t[13]=0,t[15]=0,null!=e&&e!==1/0?(o=1/(n-e),t[10]=(e+n)*o,t[14]=2*e*n*o):(t[10]=-1,t[14]=-2*n),t}function q(t,a,r,n){var e=Math.tan(a.upDegrees*Math.PI/180),o=Math.tan(a.downDegrees*Math.PI/180),s=Math.tan(a.leftDegrees*Math.PI/180),u=Math.tan(a.rightDegrees*Math.PI/180),h=2/(s+u),M=2/(e+o);return t[0]=h,t[1]=0,t[2]=0,t[3]=0,t[4]=0,t[5]=M,t[6]=0,t[7]=0,t[8]=-(s-u)*h*.5,t[9]=(e-o)*M*.5,t[10]=n/(r-n),t[11]=-1,t[12]=0,t[13]=0,t[14]=n*r/(r-n),t[15]=0,t}function D(t,a,r,n,e,o,s){var u=1/(a-r),h=1/(n-e),M=1/(o-s);return t[0]=-2*u,t[1]=0,t[2]=0,t[3]=0,t[4]=0,t[5]=-2*h,t[6]=0,t[7]=0,t[8]=0,t[9]=0,t[10]=2*M,t[11]=0,t[12]=(a+r)*u,t[13]=(e+n)*h,t[14]=(s+o)*M,t[15]=1,t}function k(a,r,n,e){var o,s,u,M,i,c,p,f,x,b,l=r[0],v=r[1],m=r[2],P=e[0],O=e[1],E=e[2],S=n[0],y=n[1],I=n[2];return 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"use strict";Object.defineProperty(exports,"__esModule",{value:!0}),exports.vec4=exports.vec3=exports.vec2=exports.quat2=exports.quat=exports.mat4=exports.mat3=exports.mat2d=exports.mat2=exports.glMatrix=void 0;var e=v(require("./common.js"));exports.glMatrix=e;var r=v(require("./mat2.js"));exports.mat2=r;var t=v(require("./mat2d.js"));exports.mat2d=t;var o=v(require("./mat3.js"));exports.mat3=o;var a=v(require("./mat4.js"));exports.mat4=a;var s=v(require("./quat.js"));exports.quat=s;var u=v(require("./quat2.js"));exports.quat2=u;var p=v(require("./vec2.js"));exports.vec2=p;var i=v(require("./vec3.js"));exports.vec3=i;var n=v(require("./vec4.js"));function c(){if("function"!=typeof WeakMap)return null;var e=new WeakMap;return c=function(){return e},e}function v(e){if(e&&e.__esModule)return e;if(null===e||"object"!=typeof e&&"function"!=typeof e)return{default:e};var r=c();if(r&&r.has(e))return r.get(e);var t={},o=Object.defineProperty&&Object.getOwnPropertyDescriptor;for(var a in e)if(Object.prototype.hasOwnProperty.call(e,a)){var s=o?Object.getOwnPropertyDescriptor(e,a):null;s&&(s.get||s.set)?Object.defineProperty(t,a,s):t[a]=e[a]}return t.default=e,r&&r.set(e,t),t}exports.vec4=n;
},{"./common.js":"PxDr","./mat2.js":"hSOw","./mat2d.js":"n7Ma","./mat3.js":"SRDq","./mat4.js":"WdlT","./quat.js":"PXH2","./quat2.js":"BYXr","./vec2.js":"cHtt","./vec3.js":"Ijz7","./vec4.js":"QGfo"}],"OW83":[function(require,module,exports) {
"use strict";Object.defineProperty(exports,"__esModule",{value:!0}),exports.default=void 0;class e{constructor(){this._pose=null,this._view=null,this.poseMatrix=new p5.Matrix,this.initialMVMatrix=new p5.Matrix,this.leftPMatrix=new p5.Matrix,this.rightPMatrix=new p5.Matrix,this.position=new p5.Vector(0,0,0),this.setPosition=function(e,t,i){this.position.set(e,t,i),p5.instance._renderer.translate(-e,-t,-i)}}set pose(e){this._pose=e,this.poseMatrix.set(e.poseModelMatrix)}get pose(){return this._pose}set view(e){this._view=e,p5.instance._renderer.uMVMatrix.set(this._view.transform.inverse.matrix),p5.instance._renderer.uPMatrix.set(this._view.projectionMatrix),p5.instance._renderer._curCamera.cameraMatrix.set(p5.Matrix.identity().mult(this._view.transform.inverse.matrix)),"left"===e.eye?this.leftPMatrix.set(p5.instance._renderer.uPMatrix.copy()):this.rightPMatrix.set(p5.instance._renderer.uPMatrix.copy())}get view(){return this._view}}exports.default=e,p5.prototype.setViewerPosition=function(e,t,i){const{viewer:r}=p5xr.instance;r.setPosition(e,t,i)},p5.prototype.sticky=function(e=!1){push(),p5xr.instance.viewer.drawOnTop=e,e&&p5.instance._renderer.GL.disable(p5.instance._renderer.GL.DEPTH_TEST),p5.instance._renderer.uMVMatrix.set(p5.Matrix.identity());const t=p5xr.instance.viewer.position;setViewerPosition(t.x,t.y,t.z)},p5.prototype.noSticky=function(){p5.instance._renderer.GL.enable(p5.instance._renderer.GL.DEPTH_TEST),pop()};
},{}],"Rl5r":[function(require,module,exports) {
"use strict";Object.defineProperty(exports,"__esModule",{value:!0}),exports.default=void 0;class t{constructor(t){this.options=t||{},this.options.color=t.color||"rgb(237, 34, 93)",this.options.background=t.background||!1,this.options.disabledOpacity=t.disabledOpacity||.5,this.options.height=t.height||window.innerWidth/5,this.options.corners=t.corners||"square",this.options.cssprefix=t.cssprefix||"webvr-ui",this.options.textEnterXRTitle=t.textEnterXRTitle||"ENTER XR",this.options.textXRNotFoundTitle=t.textXRNotFoundTitle||"XR NOT FOUND",this.options.textExitXRTitle=t.textExitXRTitle||"EXIT XR",this.options.onRequestSession=t.onRequestSession||function(){},this.options.onEndSession=t.onEndSession||function(){},this.options.injectCSS=!1!==t.injectCSS,this.options=t,this.device=null,this.session=null,this.logoScale=1.2,this._WEBXR_UI_CSS_INJECTED={},this.domElement=t.domElement||this.createDefaultView(t),this.__defaultDisplayStyle=this.domElement.style.display||"initial",this.domElement.addEventListener("click",()=>this.__onXRButtonClick()),this.__forceDisabled=!1,this.__setDisabledAttribute(!0),this.setTitle(this.options.textXRNotFoundTitle)}generateInnerHTML(t,e){const n=e*this.logoScale;return`<button class="${t}-button">\n    <div class="${t}-title"></div>\n    <div class="${t}-logo" >${this.generateXRIconString(t,n)+this.generateNoXRIconString(t,n)}</div>\n    </button>`}createDefaultView(t){const e=t.height/3;t.injectCSS&&(this._WEBXR_UI_CSS_INJECTED[t.cssprefix]||(this.injectCSS(this.generateCSS(t,e)),this._WEBXR_UI_CSS_INJECTED[t.cssprefix]=!0));const n=document.createElement("div");return n.innerHTML=this.generateInnerHTML(t.cssprefix,e),n.firstChild}createXRIcon(t,e){const n=document.createElement("div");return n.innerHTML=generateXRIconString(t,e),n.firstChild}createNoXRIcon(t,e){const n=document.createElement("div");return n.innerHTML=generateNoXRIconString(t,e),n.firstChild}generateXRIconString(t,e){return`<svg class="${t}-svg" version="1.1" x="0px" y="0px"\n        width="${28/18*e}px" height="${e}px" viewBox="0 0 28 18" xml:space="preserve">\n        <path d="M26.8,1.1C26.1,0.4,25.1,0,24.2,0H3.4c-1,0-1.7,0.4-2.4,1.1C0.3,1.7,0,2.7,0,3.6v10.7\n        c0,1,0.3,1.9,0.9,2.6C1.6,17.6,2.4,18,3.4,18h5c0.7,0,1.3-0.2,1.8-0.5c0.6-0.3,1-0.8,1.3-1.4l\n        1.5-2.6C13.2,13.1,13,13,14,13v0h-0.2 h0c0.3,0,0.7,0.1,0.8,0.5l1.4,2.6c0.3,0.6,0.8,1.1,1.3,\n        1.4c0.6,0.3,1.2,0.5,1.8,0.5h5c1,0,2-0.4,2.7-1.1c0.7-0.7,1.2-1.6,1.2-2.6 V3.6C28,2.7,27.5,\n        1.7,26.8,1.1z M7.4,11.8c-1.6,0-2.8-1.3-2.8-2.8c0-1.6,1.3-2.8,2.8-2.8c1.6,0,2.8,1.3,2.8,2.8\n        C10.2,10.5,8.9,11.8,7.4,11.8z M20.1,11.8c-1.6,0-2.8-1.3-2.8-2.8c0-1.6,1.3-2.8,2.8-2.8C21.7\n        ,6.2,23,7.4,23,9 C23,10.5,21.7,11.8,20.1,11.8z"/>\n    </svg>`}generateNoXRIconString(t,e){return`<svg class="${t}-svg-error" x="0px" y="0px"\n        width="${28/18*e}px" height="${28/18*e}px" viewBox="0 0 28 28" xml:space="preserve">\n        <path d="M17.6,13.4c0-0.2-0.1-0.4-0.1-0.6c0-1.6,1.3-2.8,2.8-2.8s2.8,1.3,2.8,2.8s-1.3,2.8-2.8,2.8\n        c-0.2,0-0.4,0-0.6-0.1l5.9,5.9c0.5-0.2,0.9-0.4,1.3-0.8\n        c0.7-0.7,1.1-1.6,1.1-2.5V7.4c0-1-0.4-1.9-1.1-2.5c-0.7-0.7-1.6-1-2.5-1\n        H8.1 L17.6,13.4z"/>\n        <path d="M10.1,14.2c-0.5,0.9-1.4,1.4-2.4,1.4c-1.6,0-2.8-1.3-2.8-2.8c0-1.1,0.6-2,1.4-2.5\n        L0.9,5.1 C0.3,5.7,0,6.6,0,7.5v10.7c0,1,0.4,1.8,1.1,2.5c0.7,0.7,1.6,1,2.5,1\n        h5c0.7,0,1.3-0.1,1.8-0.5c0.6-0.3,1-0.8,1.3-1.4l1.3-2.6 L10.1,14.2z"/>\n        <path d="M25.5,27.5l-25-25C-0.1,2-0.1,1,0.5,0.4l0,0C1-0.1,2-0.1,2.6,0.4l25,25c0.6,0.6,0.6,1.5\n        ,0,2.1l0,0 C27,28.1,26,28.1,25.5,27.5z"/>\n    </svg>`}setDevice(t){return this.device=t,this.__updateButtonState(),this}setSession(t){return this.session=t,this.__updateButtonState(),this}setTitle(t){return this.domElement.title=t,this.ifChild(this.domElement,this.options.cssprefix,"title",e=>{t?(e.innerText=t,e.style.display="initial"):e.style.display="none"}),this}generateCSS(t,e=18){const{height:n}=t,i=t.background?t.background:t.color,s=t.cssprefix;let o;return`\n      @font-face {\n          font-family: 'Karla';\n          font-style: normal;\n          font-weight: 400;\n          src: local('Karla'), local('Karla-Regular'),\n              url(https://fonts.gstatic.com/s/karla/v5/31P4mP32i98D9CEnGyeX9Q.woff2) format('woff2');\n          unicode-range: U+0100-024F, U+1E00-1EFF, U+20A0-20AB, U+20AD-20CF, U+2C60-2C7F, U+A720-A7FF;\n      }\n      @font-face {\n          font-family: 'Karla';\n          font-style: normal;\n          font-weight: 400;\n          src: local('Karla'), local('Karla-Regular'),\n              url(https://fonts.gstatic.com/s/karla/v5/Zi_e6rBgGqv33BWF8WTq8g.woff2) format('woff2');\n          unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074,\n                        U+20AC, U+2212, U+2215, U+E0FF, U+EFFD, U+F000;\n      }\n\n      button.${s}-button {\n          font-family: 'Karla', sans-serif;\n\n          border: ${i} 2px solid;\n          border-radius: ${o="round"==t.corners?t.height/2:"square"==t.corners?2:t.corners}px;\n          box-sizing: border-box;\n          background: ${t.background?t.background:"none"};\n\n          height: ${n}px;\n          min-width: ${9.6*e}px;\n          display: inline-block;\n          position: absolute;\n          top: 5%;\n          left: 15%;\n          cursor: pointer;\n      }\n\n      button.${s}-button:focus {\n        outline: none;\n      }\n\n      /*\n      * Logo\n      */\n\n      .${s}-logo {\n          width: ${n}px;\n          height: ${n}px;\n          position: absolute;\n          top:0px;\n          left:0px;\n          width: ${n-4}px;\n          height: ${n-4}px;\n      }\n      .${s}-svg {\n          fill: ${t.color};\n          margin-top: ${(n-e*this.logoScale)/2-2}px;\n          margin-left: ${n/3}px;\n      }\n      .${s}-svg-error {\n          fill: ${t.color};\n          display:none;\n          margin-top: ${(n-28/18*e*this.logoScale)/2-2}px;\n          margin-left: ${n/3}px;\n      }\n\n\n      /*\n      * Title\n      */\n\n      .${s}-title {\n          color: ${t.color};\n          position: relative;\n          font-size: ${e}px;\n          padding-left: ${1.05*n}px;\n          padding-right: ${o-10<5?n/3:o-10}px;\n      }\n\n      /*\n      * disabled\n      */\n\n      button.${s}-button[disabled=true] {\n          opacity: ${t.disabledOpacity};\n      }\n\n      button.${s}-button[disabled=true] > .${s}-logo > .${s}-svg {\n          display:none;\n      }\n\n      button.${s}-button[disabled=true] > .${s}-logo > .${s}-svg-error {\n          display:initial;\n      }\n    `}injectCSS(t){const e=document.createElement("style");e.innerHTML=t;const n=document.getElementsByTagName("head")[0];n.insertBefore(e,n.firstChild)}ifChild(t,e,n,i){const s=t.querySelector(`.${e}-${n}`);s&&i(s)}setTooltip(t){return this.domElement.title=t,this}show(){return this.domElement.style.display=this.__defaultDisplayStyle,this}hide(){return this.domElement.style.display="none",this}enable(){return this.__setDisabledAttribute(!1),this.__forceDisabled=!1,this}disable(){return this.__setDisabledAttribute(!0),this.__forceDisabled=!0,this}remove(){this.domElement.parentElement&&this.domElement.parentElement.removeChild(this.domElement)}__setDisabledAttribute(t){t||this.__forceDisabled?this.domElement.setAttribute("disabled","true"):this.domElement.removeAttribute("disabled")}__onXRButtonClick(){this.session?this.options.onEndSession(this.session):this.device&&("undefined"!=typeof DeviceMotionEvent&&"function"==typeof DeviceMotionEvent.requestPermission&&DeviceMotionEvent.requestPermission().then(t=>{"granted"===t&&window.addEventListener("devicemotion",()=>{})}).catch(console.error),"undefined"!=typeof DeviceOrientationEvent&&"function"==typeof DeviceOrientationEvent.requestPermission&&DeviceOrientationEvent.requestPermission().then(t=>{"granted"===t&&window.addEventListener("deviceorientation",()=>{})}).catch(console.error),this.options.onRequestSession(this.device))}__updateButtonState(){this.session?(this.setTitle(this.options.textExitXRTitle),this.setTooltip("Exit XR presentation"),this.__setDisabledAttribute(!1)):this.device?(this.setTitle(this.options.textEnterXRTitle),this.setTooltip("Enter XR"),this.__setDisabledAttribute(!1)):(this.setTitle(this.options.textXRNotFoundTitle),this.setTooltip("No XR headset found."),this.__setDisabledAttribute(!0))}}exports.default=t;
},{}],"OcXM":[function(require,module,exports) {
"use strict";Object.defineProperty(exports,"__esModule",{value:!0}),exports.default=void 0;class t{constructor(t){this._inputSource=t,this._pose,this.gamepad=t.gamepad}get pose(){return this.updatePose(),this._pose.transform.matrix}get position(){this.updatePose();const t=this._pose.transform.position;return new p5.Vector(t.x,t.y,t.z)}updatePose(){this._pose=window.p5xr.instance.frame.getPose(this._inputSource.gripSpace,window.p5xr.instance.xrRefSpace)}get trigger(){return this.updateGamepad(),this.gamepad.buttons[0]}get grip(){return this.updateGamepad(),this.gamepad.buttons[1]}get touchpad(){return this.updateGamepad(),this.gamepad.buttons[2]}get thumbstick(){return this.updateGamepad(),this.gamepad.buttons[3]}get touchpad2D(){return this.updateGamepad(),new p5.Vector(this.gamepad.axes[0],this.gamepad.axes[1])}get thumbstick2D(){return this.updateGamepad(),new p5.Vector(this.gamepad.axes[2],this.gamepad.axes[3])}updateGamepad(){this.gamepad=this._inputSource.gamepad}}exports.default=t;
},{}],"QKDM":[function(require,module,exports) {
"use strict";Object.defineProperty(exports,"__esModule",{value:!0}),exports.default=void 0;var e=s(require("./p5xrViewer")),t=s(require("./p5xrButton")),i=s(require("./p5xrInput"));function s(e){return e&&e.__esModule?e:{default:e}}class n{constructor(){this.xrDevice=null,this.xrButton=null,this.isVR=null,this.xrSession=null,this.xrRefSpace=null,this.xrViewerSpace=null,this.xrHitTestSource=null,this.frame=null,this.gl=null,this.curClearColor=color(255,255,255),this.viewer=new e.default}removeLoadingElement(){const e=document.getElementById(window._loadingScreenId);e&&e.parentNode.removeChild(e)}_updatexr(){const e=p5.instance._renderer;e.ambientLightColors.length=0,e.specularColors=[1,1,1],e.directionalLightDirections.length=0,e.directionalLightDiffuseColors.length=0,e.directionalLightSpecularColors.length=0,e.pointLightPositions.length=0,e.pointLightDiffuseColors.length=0,e.pointLightSpecularColors.length=0,e.spotLightPositions.length=0,e.spotLightDirections.length=0,e.spotLightDiffuseColors.length=0,e.spotLightSpecularColors.length=0,e.spotLightAngle.length=0,e.spotLightConc.length=0,e._enableLighting=!1,e._tint=[255,255,255,255]}_setupxr(){createCanvas(windowWidth,windowHeight,WEBGL),p5.instance._setupDone=!0}init(){p5.instance._incrementPreload(),this._setupxr(),this.removeLoadingElement(),this.xrButton=new t.default({onRequestSession:this.onXRButtonClicked.bind(this),onEndSession:this.onSessionEnded.bind(this),textEnterXRTitle:this.isVR?"ENTER VR":"ENTER AR"});let e=document.querySelector("header");e||(e=document.createElement("header"),document.querySelector("body").appendChild(e)),e.appendChild(this.xrButton.domElement),navigator.xr&&this.sessionCheck()}disableButton(){this.xrButton.setTitle("AR Unavailable"),this.xrButton.setTooltip("No XR headset found."),this.xrButton.__setDisabledAttribute(!0)}sessionCheck(){const e=window.injectedPolyfill?" with polyfill":" without polyfill";this.isVR?navigator.xr.isSessionSupported("immersive-vr").then(t=>{t?(console.log(`VR supported${e}`),this.xrButton.setDevice(!0),this.isImmersive=!0):(console.log("This device does not support immersive VR sessions."),this.isImmersive=!1),this.xrButton.setDevice(!0)}).catch(e=>{console.log(e.message)}):navigator.xr.isSessionSupported("immersive-ar").then(t=>{t?(console.log(`AR supported ${e}`),this.xrButton.setDevice(!0)):this.disableButton()})}onXRFrame(e,t){const i=this.xrSession=t.session;if(null===i||null===this.gl)return;i.requestAnimationFrame(this.onXRFrame.bind(this));let s=this.xrRefSpace;this.isVR&&!this.isImmersive&&(s=this.getAdjustedRefSpace(this.xrRefSpace));const n=t.getViewerPose(this.xrRefSpace),r=i.renderState.baseLayer;if(this.frame=t,n){this.viewer.pose=t.getViewerPose(s),this.gl.bindFramebuffer(this.gl.FRAMEBUFFER,r.framebuffer),this.isVR&&this._clearVR();let e=0;for(const t of this.viewer.pose.views){this.viewer.view=t;const i=r.getViewport(this.viewer.view);this.gl.viewport(i.x,i.y,i.width,i.height),this._updateViewport(i),this._drawEye(e),e++}}}_updateViewport(e){p5.instance._renderer._viewport[0]=e.x,p5.instance._renderer._viewport[1]=e.y,p5.instance._renderer._viewport[2]=e.width,p5.instance._renderer._viewport[3]=e.height}_drawEye(e){const t=window,i=t.setup,s=t.draw,n=t.calculate;if(this.isVR?0===e&&"function"==typeof n&&n():scale(.01),p5.instance._renderer.isP3D){if("function"==typeof s){void 0===i&&t.scale(t._pixelDensity,t._pixelDensity),this._updatexr(),p5.instance._inUserDraw=!0;try{s()}finally{p5.instance._inUserDraw=!1}1!==e&&this.isImmersive||t._setProperty("frameCount",t.frameCount+1)}}else console.error("Sketch does not have 3D Renderer")}getXRInput(e){let t;return this.xrSession.inputSources.forEach(s=>{s.handedness==e&&(t=new i.default(s))}),t}onSessionEnded(){this.isVR||(this.xrHitTestSource.cancel(),this.xrHitTestSource=null),this.xrSession&&(this.xrSession.end(),this.xrSession=null);const e=document.getElementsByClassName("p5Canvas");for(;e.length>0;)e[0].parentNode.removeChild(e[0]);this.xrButton.session=null,this.xrButton.setTitle(this.isVR?"ENTER VR":"ENTER AR"),this.gl=null}printUnsupportedMessage(){console.warn("Your browser/hardware does not work with AR Mode currently. This is undergoing heavy development currently.You may be able to fix this by enabling WebXR flags in Chrome.")}remove(){this.xrButton&&this.xrButton.remove(),window.p5xr.instance=null}get instance(){return window.p5xr.instance}set instance(e){return window.p5xr.instance=e,window.p5xr.instance}}exports.default=n;
},{"./p5xrViewer":"OW83","./p5xrButton":"Rl5r","./p5xrInput":"OcXM"}],"pooP":[function(require,module,exports) {
"use strict";Object.defineProperty(exports,"__esModule",{value:!0}),exports.default=void 0;var e=require("gl-matrix"),t=i(require("../core/p5xr"));function i(e){return e&&e.__esModule?e:{default:e}}class s extends t.default{constructor(){super(),this.isVR=!0,this.isImmersive=!0,this.lookYaw=0,this.lookPitch=0,this.LOOK_SPEED=.0025,this.primaryTouch=void 0,this.prevTouchX=void 0,this.prevTouchY=void 0}initVR(){this.init()}startSketch(e){this.xrSession=this.xrButton.session=e,this.canvas=p5.instance.canvas,this.canvas.style.visibility="visible",this.xrSession.addEventListener("end",this.onSessionEnded.bind(this)),"function"==typeof window.setup&&window.setup(),this.onRequestSession()}onXRButtonClicked(){this.isImmersive?(console.log("requesting session with mode: immersive-vr"),navigator.xr.requestSession("immersive-vr").then(this.startSketch.bind(this))):(console.log("requesting session with mode: non-immersive-vr"),this.xrButton.hide(),navigator.xr.requestSession("inline").then(this.startSketch.bind(this)))}onRequestSession(){this.xrButton.setTitle(this.isVR?"EXIT VR":"EXIT AR"),p5.instance._renderer._curCamera.cameraType="custom",this.gl=this.canvas.getContext("webgl",{xrCompatible:!0}),this.xrSession.updateRenderState({baseLayer:new XRWebGLLayer(this.xrSession,this.gl)});const e=this.isImmersive?"local":"viewer";this.xrSession.requestReferenceSpace(e).then(e=>{this.xrRefSpace=e,this.xrSession.requestAnimationFrame(this.onXRFrame.bind(this)),this.isImmersive||(this.xrSession.updateRenderState({inlineVerticalFieldOfView:Math.PI/180*90}),this.addInlineViewListeners(this.canvas))})}_clearVR(){null!==this.curClearColor&&(p5.instance.background(this.curClearColor),this.gl.clear(this.gl.DEPTH_BUFFER_BIT))}getAdjustedRefSpace(t){const i=e.quat.create();e.quat.rotateX(i,i,-this.lookPitch),e.quat.rotateY(i,i,-this.lookYaw);const s=new XRRigidTransform({x:0,y:0,z:0},{x:i[0],y:i[1],z:i[2],w:i[3]});return t.getOffsetReferenceSpace(s)}rotateView(e,t){this.lookYaw+=e*this.LOOK_SPEED,this.lookPitch+=t*this.LOOK_SPEED,this.lookPitch<.5*-Math.PI&&(this.lookPitch=.5*-Math.PI),this.lookPitch>.5*Math.PI&&(this.lookPitch=.5*Math.PI)}addInlineViewListeners(e){this.canvas.addEventListener("mousemove",e=>{e.buttons&&this.rotateView(e.movementX,e.movementY)}),this.canvas.addEventListener("touchstart",e=>{if(void 0===this.primaryTouch){const t=e.changedTouches[0];this.primaryTouch=t.identifier,this.prevTouchX=t.pageX,this.prevTouchY=t.pageY}}),e.addEventListener("touchend",e=>{for(const t of e.changedTouches)this.primaryTouch===t.identifier&&(this.primaryTouch=void 0,this.rotateView(t.pageX-this.prevTouchX,t.pageY-this.prevTouchY))}),e.addEventListener("touchcancel",e=>{for(const t of e.changedTouches)this.primaryTouch===t.identifier&&(this.primaryTouch=void 0)}),e.addEventListener("touchmove",e=>{for(const t of e.changedTouches)this.primaryTouch===t.identifier&&(this.rotateView(t.pageX-this.prevTouchX,t.pageY-this.prevTouchY),this.prevTouchX=t.pageX,this.prevTouchY=t.pageY)})}}exports.default=s;
},{"gl-matrix":"CPlc","../core/p5xr":"QKDM"}],"NyZf":[function(require,module,exports) {
"use strict";Object.defineProperty(exports,"__esModule",{value:!0}),exports.default=void 0;class s{constructor(s,t,i){this.position={x:100*s,y:100*t,z:100*i}}dispose(){}isTracking(){}isStopped(){}transform(){translate(this.position.x,this.position.y,this.position.z)}}exports.default=s;
},{}],"lmQh":[function(require,module,exports) {
"use strict";Object.defineProperty(exports,"__esModule",{value:!0}),exports.default=void 0;var e=s(require("../core/p5xr")),t=s(require("./ARAnchor"));function s(e){return e&&e.__esModule?e:{default:e}}class r extends e.default{constructor(){super(),this.canvas=null}startSketch(e){this.xrSession=this.xrButton.session=e,this.xrSession.addEventListener("end",this.onSessionEnded),"function"==typeof touchStarted&&this.xrSession.addEventListener("select",touchStarted),this.canvas=p5.instance.canvas,p5.instance._renderer._curCamera.cameraType="custom",this.onRequestSession(),p5.instance._decrementPreload()}onSelect(e){const t=window.mousePressed;"function"==typeof t&&t()}detectHit(e){if(null==e)return console.warn("You must pass the touchStarted event to detectHit."),null;if(!this.xrSession)return null;e.clientY,window.innerHeight,e.clientX,window.innerWidth;if(this.xrHitTestSource&&this.viewer.pose&&this.frame){const e=this.frame.getHitTestResults(this.xrHitTestSource);if(e.length>0){const t=e[0].getPose(this.xrRefSpace);return createVector(t.transform.position.x,t.transform.position.y,t.transform.position.z)}}}createAnchor(e){return null==e?null:new t.default(e.x,e.y,e.z)}onXRButtonClicked(e){window.injectedPolyfill?console.log("ARCORE mode is not supported with a polyfill. Try using a more recent browser version"):(navigator.getUserMedia=navigator.getUserMedia||navigator.webkitGetUserMedia||navigator.mozGetUserMedia||navigator.msGetUserMedia,navigator.xr.requestSession("immersive-ar",{requiredFeatures:["local","hit-test"]}).then(e=>{this.startSketch(e)},e=>{console.log(`${e} unable to request an immersive-ar session.`)}))}onRequestSession(){this.gl=this.canvas.getContext("webgl",{xrCompatible:!0}),this.gl.makeXRCompatible().then(()=>{this.xrSession.updateRenderState({baseLayer:new XRWebGLLayer(this.xrSession,this.gl)})}),this.xrSession.requestReferenceSpace("viewer").then(e=>{this.xrViewerSpace=e,this.xrSession.requestHitTestSource({space:this.xrViewerSpace}).then(e=>{this.xrHitTestSource=e})}),this.xrSession.requestReferenceSpace("local").then(e=>{this.xrRefSpace=e,this.xrSession.requestAnimationFrame(this.onXRFrame.bind(this))})}}exports.default=r;
},{"../core/p5xr":"QKDM","./ARAnchor":"NyZf"}],"NyeQ":[function(require,module,exports) {
"use strict";var i=t(require("./p5xrViewer"));function t(i){return i&&i.__esModule?i:{default:i}}i.default.prototype.getRayFromScreen=function(i,t){const n={origin:new p5.Vector(0,0,0),direction:new p5.Vector};let r=this.poseMatrix.copy();r.transpose(r),r=r.mat4,n.origin.x=r[3],n.origin.y=r[7],n.origin.z=r[11];let e=this.initialMVMatrix.copy();e.transpose(e),e=e.mat4;const o=n.origin.copy();n.origin.x=e[0]*o.x+e[1]*o.y+e[2]*o.z+e[3],n.origin.y=e[4]*o.x+e[5]*o.y+e[6]*o.z+e[7],n.origin.z=e[8]*o.x+e[9]*o.y+e[10]*o.z+e[11];const c=new p5.Vector(i,t,-1);let p=new p5.Matrix;p.invert(this.leftPMatrix.copy()),p.transpose(p),p=p.mat4;const a=c.copy();c.x=p[0]*a.x+p[1]*a.y+p[2]*a.z,c.y=p[4]*a.x+p[5]*a.y+p[6]*a.z,c.normalize();const y=new p5.Vector(i,t,-1);let s=new p5.Matrix;s.invert(this.rightPMatrix.copy()),s.transpose(s),s=s.mat4;const x=y.copy();return y.x=s[0]*x.x+s[1]*x.y+s[2]*x.z,y.y=s[4]*x.x+s[5]*x.y+s[6]*x.z,y.normalize(),n.direction=p5.Vector.add(c,y).normalize(),n},p5.prototype.intersectsSphere=function(){const i=arguments[0];let t={origin:null,direction:null};if(2===arguments.length&&arguments[1].hasOwnProperty("origin"))t.origin=arguments[1].origin.copy(),t.direction=arguments[1].direction.copy();else{const i=arguments[1]||0,n=arguments[2]||0;t=p5xr.instance.viewer.getRayFromScreen(i,n)}if(null===t)return!1;let n=p5.instance._renderer.uMVMatrix.copy();n.transpose(n),n=n.mat4;const r=new p5.Vector(0,0,0);if(r.x=n[3],r.y=n[7],r.z=n[11],p5.Vector.sub(t.origin,r).mag()<=i)return!0;if(p5.Vector.dot(p5.Vector.sub(r,t.origin),t.direction)<0)return!1;const e=p5.Vector.sub(t.origin,r),o=2*p5.Vector.dot(t.direction,e);return o*o-4*(p5.Vector.mag(e)*p5.Vector.mag(e)-i*i)>=0},p5.prototype.intersectsBox=function(){const i=arguments[0];let t,n,r={origin:null,direction:null};arguments[arguments.length-1].hasOwnProperty("origin")?(r.origin=arguments[arguments.length-1].origin.copy(),r.direction=arguments[arguments.length-1].direction.copy(),t=arguments.length>2?arguments[1]:i,n=arguments.length>3?arguments[2]:t):5===arguments.length?(r=p5xr.instance.viewer.getRayFromScreen(arguments[3],arguments[4]),t=arguments[1],n=arguments[2]):(r=p5xr.instance.viewer.getRayFromScreen(0,0),t=arguments.length>1?arguments[1]:i,n=arguments.length>2?arguments[2]:t);let e=p5.instance._renderer.uMVMatrix.copy();e.transpose(e),e.invert(e),e=e.mat4;const o=r.origin.copy();r.origin.x=e[0]*o.x+e[1]*o.y+e[2]*o.z+e[3],r.origin.y=e[4]*o.x+e[5]*o.y+e[6]*o.z+e[7],r.origin.z=e[8]*o.x+e[9]*o.y+e[10]*o.z+e[11];const c=r.direction.copy();r.direction.x=e[0]*c.x+e[1]*c.y+e[2]*c.z,r.direction.y=e[4]*c.x+e[5]*c.y+e[6]*c.z,r.direction.z=e[8]*c.x+e[9]*c.y+e[10]*c.z,r.direction.normalize();const p=new p5.Vector(-.5*i,-.5*t,-.5*n),a=new p5.Vector(.5*i,.5*t,.5*n),y=(p.x-r.origin.x)/r.direction.x,s=(a.x-r.origin.x)/r.direction.x,x=(p.y-r.origin.y)/r.direction.y,g=(a.y-r.origin.y)/r.direction.y,l=(p.z-r.origin.z)/r.direction.z,d=(a.z-r.origin.z)/r.direction.z,z=Math.max(Math.max(Math.min(y,s),Math.min(x,g)),Math.min(l,d)),u=Math.min(Math.min(Math.max(y,s),Math.max(x,g)),Math.max(l,d));return!(u<0||z>u)},p5.prototype.intersectsPlane=function(){let i={origin:null,direction:null};arguments[0].hasOwnProperty("origin")?(i.origin=arguments[0].origin.copy(),i.direction=arguments[0].direction.copy()):i=p5xr.instance.viewer.getRayFromScreen(arguments[0],arguments[1]);let t=p5.instance._renderer.uMVMatrix.copy();t.transpose(t),t.invert(t),t=t.mat4;const n=i.origin.copy();i.origin.x=t[0]*n.x+t[1]*n.y+t[2]*n.z+t[3],i.origin.y=t[4]*n.x+t[5]*n.y+t[6]*n.z+t[7],i.origin.z=t[8]*n.x+t[9]*n.y+t[10]*n.z+t[11];const r=i.direction.copy();i.direction.x=t[0]*r.x+t[1]*r.y+t[2]*r.z,i.direction.y=t[4]*r.x+t[5]*r.y+t[6]*r.z,i.direction.z=t[8]*r.x+t[9]*r.y+t[10]*r.z,i.direction.normalize();const e=new p5.Vector(0,0,1),o=new p5.Vector(0,0,0),c=p5.Vector.sub(o,i.origin),p=Math.abs(p5.Vector.dot(i.direction,e));if(0===p)return null;const a=Math.abs(p5.Vector.dot(c,e)/p),y=p5.Vector.add(i.origin,i.direction.copy().setMag(a));return createVector(y.x,y.y)},p5.prototype.generateRay=function(i,t,n,r,e,o){const c=new p5.Vector(i,t,n);let p=new p5.Vector(r,e,o);(p=p5.Vector.sub(p,c)).normalize();let a=p5.instance._renderer.uMVMatrix.copy();a.transpose(a),a=a.mat4;const y=c.copy();c.x=a[0]*y.x+a[1]*y.y+a[2]*y.z+a[3],c.y=a[4]*y.x+a[5]*y.y+a[6]*y.z+a[7],c.z=a[8]*y.x+a[9]*y.y+a[10]*y.z+a[11];const s=p.copy();return p.x=a[0]*s.x+a[1]*s.y+a[2]*s.z,p.y=a[4]*s.x+a[5]*s.y+a[6]*s.z,p.z=a[8]*s.x+a[9]*s.y+a[10]*s.z,p.normalize(),{origin:c,direction:p}};
},{"./p5xrViewer":"OW83"}],"A2T1":[function(require,module,exports) {
"use strict";var e=r(require("webxr-polyfill")),n=r(require("./p5xr/p5vr/p5vr")),t=r(require("./p5xr/p5ar/p5ar"));function r(e){return e&&e.__esModule?e:{default:e}}function o(){"xr"in navigator==!1?(window.injectedPolyfill=!0,window.polyfill=new e.default):window.injectedPolyfill=!1}require("./p5xr/core/raycasting"),window.p5xr={instance:null},o(),p5.prototype.createVRCanvas=function(){noLoop(),p5xr.instance=new n.default,p5xr.instance.initVR()},p5.prototype.createARCanvas=function(){noLoop(),p5xr.instance=new t.default,p5xr.instance.init()},p5.prototype.setVRBackgroundColor=function(e,n,t){p5xr.instance.curClearColor=color(e,n,t)},p5.prototype.surroundTexture=function(e){push(),texture(e),rotateX(PI),scale(-1,1,1),sphere(300,60,40),pop()},p5.prototype.createAnchor=function(e){if(!p5xr.instance.isVR)return p5xr.instance.createAnchor(e)},p5.prototype.detectHit=function(e){if(!p5xr.instance.isVR)return p5xr.instance.detectHit(e)},p5.prototype.getXRInput=function(e){if(0!==p5xr.instance.xrSession.inputSources.length)return p5xr.instance.getXRInput(e)};
},{"webxr-polyfill":"LEBx","./p5xr/p5vr/p5vr":"pooP","./p5xr/p5ar/p5ar":"lmQh","./p5xr/core/raycasting":"NyeQ"}]},{},["A2T1"], null)