96 lines
207 KiB
JavaScript
96 lines
207 KiB
JavaScript
(()=>{var e="undefined"!=typeof globalThis?globalThis:"undefined"!=typeof self?self:"undefined"!=typeof window?window:"undefined"!=typeof global?global:{};function t(e,t,i,r){Object.defineProperty(e,t,{get:i,set:r,enumerable:!0,configurable:!0})}var i,r={};i=r,Object.defineProperty(i,"__esModule",{value:!0,configurable:!0}),t(r,"default",(()=>dt));
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/**
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* @license
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* webxr-polyfill
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* Copyright (c) 2017 Google
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/**
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* @license
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* cardboard-vr-display
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* Copyright (c) 2015-2017 Google
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/**
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* @license
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* webvr-polyfill-dpdb
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* Copyright (c) 2017 Google
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/**
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* @license
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* wglu-preserve-state
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* Copyright (c) 2016, Brandon Jones.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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/**
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* @license
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* nosleep.js
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* Copyright (c) 2017, Rich Tibbett
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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const n=void 0!==e?e:"undefined"!=typeof self?self:"undefined"!=typeof window?window:{},s=Symbol("@@webxr-polyfill/EventTarget");class a{constructor(){this[s]={listeners:new Map}}addEventListener(e,t){if("string"!=typeof e)throw new Error("`type` must be a string");if("function"!=typeof t)throw new Error("`listener` must be a function");const i=this[s].listeners.get(e)||[];i.push(t),this[s].listeners.set(e,i)}removeEventListener(e,t){if("string"!=typeof e)throw new Error("`type` must be a string");if("function"!=typeof t)throw new Error("`listener` must be a function");const i=this[s].listeners.get(e)||[];for(let e=i.length;e>=0;e--)i[e]===t&&i.pop()}dispatchEvent(e,t){const i=this[s].listeners.get(e)||[],r=[];for(let e=0;e<i.length;e++)r[e]=i[e];for(let e of r)e(t);"function"==typeof this[`on${e}`]&&this[`on${e}`](t)}}let o="undefined"!=typeof Float32Array?Float32Array:Array;Math.PI;function l(){let e=new o(16);return o!=Float32Array&&(e[1]=0,e[2]=0,e[3]=0,e[4]=0,e[6]=0,e[7]=0,e[8]=0,e[9]=0,e[11]=0,e[12]=0,e[13]=0,e[14]=0),e[0]=1,e[5]=1,e[10]=1,e[15]=1,e}function c(e){return e[0]=1,e[1]=0,e[2]=0,e[3]=0,e[4]=0,e[5]=1,e[6]=0,e[7]=0,e[8]=0,e[9]=0,e[10]=1,e[11]=0,e[12]=0,e[13]=0,e[14]=0,e[15]=1,e}function h(e,t){let i=t[0],r=t[1],n=t[2],s=t[3],a=t[4],o=t[5],l=t[6],c=t[7],h=t[8],u=t[9],d=t[10],A=t[11],p=t[12],f=t[13],m=t[14],g=t[15],v=i*o-r*a,w=i*l-n*a,y=i*c-s*a,b=r*l-n*o,E=r*c-s*o,x=n*c-s*l,M=h*f-u*p,S=h*m-d*p,_=h*g-A*p,R=u*m-d*f,F=u*g-A*f,T=d*g-A*m,P=v*T-w*F+y*R+b*_-E*S+x*M;return P?(P=1/P,e[0]=(o*T-l*F+c*R)*P,e[1]=(n*F-r*T-s*R)*P,e[2]=(f*x-m*E+g*b)*P,e[3]=(d*E-u*x-A*b)*P,e[4]=(l*_-a*T-c*S)*P,e[5]=(i*T-n*_+s*S)*P,e[6]=(m*y-p*x-g*w)*P,e[7]=(h*x-d*y+A*w)*P,e[8]=(a*F-o*_+c*M)*P,e[9]=(r*_-i*F-s*M)*P,e[10]=(p*E-f*y+g*v)*P,e[11]=(u*y-h*E-A*v)*P,e[12]=(o*S-a*R-l*M)*P,e[13]=(i*R-r*S+n*M)*P,e[14]=(f*w-p*b-m*v)*P,e[15]=(h*b-u*w+d*v)*P,e):null}function u(e,t,i){let r=t[0],n=t[1],s=t[2],a=t[3],o=t[4],l=t[5],c=t[6],h=t[7],u=t[8],d=t[9],A=t[10],p=t[11],f=t[12],m=t[13],g=t[14],v=t[15],w=i[0],y=i[1],b=i[2],E=i[3];return e[0]=w*r+y*o+b*u+E*f,e[1]=w*n+y*l+b*d+E*m,e[2]=w*s+y*c+b*A+E*g,e[3]=w*a+y*h+b*p+E*v,w=i[4],y=i[5],b=i[6],E=i[7],e[4]=w*r+y*o+b*u+E*f,e[5]=w*n+y*l+b*d+E*m,e[6]=w*s+y*c+b*A+E*g,e[7]=w*a+y*h+b*p+E*v,w=i[8],y=i[9],b=i[10],E=i[11],e[8]=w*r+y*o+b*u+E*f,e[9]=w*n+y*l+b*d+E*m,e[10]=w*s+y*c+b*A+E*g,e[11]=w*a+y*h+b*p+E*v,w=i[12],y=i[13],b=i[14],E=i[15],e[12]=w*r+y*o+b*u+E*f,e[13]=w*n+y*l+b*d+E*m,e[14]=w*s+y*c+b*A+E*g,e[15]=w*a+y*h+b*p+E*v,e}function d(e,t,i){let r=t[0],n=t[1],s=t[2],a=t[3],o=r+r,l=n+n,c=s+s,h=r*o,u=r*l,d=r*c,A=n*l,p=n*c,f=s*c,m=a*o,g=a*l,v=a*c;return e[0]=1-(A+f),e[1]=u+v,e[2]=d-g,e[3]=0,e[4]=u-v,e[5]=1-(h+f),e[6]=p+m,e[7]=0,e[8]=d+g,e[9]=p-m,e[10]=1-(h+A),e[11]=0,e[12]=i[0],e[13]=i[1],e[14]=i[2],e[15]=1,e}function A(e,t){return e[0]=t[12],e[1]=t[13],e[2]=t[14],e}function p(e,t){let i=t[0]+t[5]+t[10],r=0;return i>0?(r=2*Math.sqrt(i+1),e[3]=.25*r,e[0]=(t[6]-t[9])/r,e[1]=(t[8]-t[2])/r,e[2]=(t[1]-t[4])/r):t[0]>t[5]&&t[0]>t[10]?(r=2*Math.sqrt(1+t[0]-t[5]-t[10]),e[3]=(t[6]-t[9])/r,e[0]=.25*r,e[1]=(t[1]+t[4])/r,e[2]=(t[8]+t[2])/r):t[5]>t[10]?(r=2*Math.sqrt(1+t[5]-t[0]-t[10]),e[3]=(t[8]-t[2])/r,e[0]=(t[1]+t[4])/r,e[1]=.25*r,e[2]=(t[6]+t[9])/r):(r=2*Math.sqrt(1+t[10]-t[0]-t[5]),e[3]=(t[1]-t[4])/r,e[0]=(t[8]+t[2])/r,e[1]=(t[6]+t[9])/r,e[2]=.25*r),e}function f(e,t,i,r,n){let s,a=1/Math.tan(t/2);return e[0]=a/i,e[1]=0,e[2]=0,e[3]=0,e[4]=0,e[5]=a,e[6]=0,e[7]=0,e[8]=0,e[9]=0,e[11]=-1,e[12]=0,e[13]=0,e[15]=0,null!=n&&n!==1/0?(s=1/(r-n),e[10]=(n+r)*s,e[14]=2*n*r*s):(e[10]=-1,e[14]=-2*r),e}function m(){let e=new o(3);return o!=Float32Array&&(e[0]=0,e[1]=0,e[2]=0),e}function g(e){var t=new o(3);return t[0]=e[0],t[1]=e[1],t[2]=e[2],t}function v(e,t,i){let r=new o(3);return r[0]=e,r[1]=t,r[2]=i,r}function w(e,t){return e[0]=t[0],e[1]=t[1],e[2]=t[2],e}function y(e,t,i){return 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e[0]=r*h+a*o+n*c-s*l,e[1]=n*h+a*l+s*o-r*c,e[2]=s*h+a*c+r*l-n*o,e[3]=a*h-r*o-n*l-s*c,e}function T(e,t,i,r){let n,s,a,o,l,c=t[0],h=t[1],u=t[2],d=t[3],A=i[0],p=i[1],f=i[2],m=i[3];return s=c*A+h*p+u*f+d*m,s<0&&(s=-s,A=-A,p=-p,f=-f,m=-m),1-s>1e-6?(n=Math.acos(s),a=Math.sin(n),o=Math.sin((1-r)*n)/a,l=Math.sin(r*n)/a):(o=1-r,l=r),e[0]=o*c+l*A,e[1]=o*h+l*p,e[2]=o*u+l*f,e[3]=o*d+l*m,e}function P(e,t){let i=t[0],r=t[1],n=t[2],s=t[3],a=i*i+r*r+n*n+s*s,o=a?1/a:0;return e[0]=-i*o,e[1]=-r*o,e[2]=-n*o,e[3]=s*o,e}const C=function(e){let t=new o(4);return t[0]=e[0],t[1]=e[1],t[2]=e[2],t[3]=e[3],t},B=function(e,t,i,r){let n=new o(4);return n[0]=e,n[1]=t,n[2]=i,n[3]=r,n},D=function(e,t){return e[0]=t[0],e[1]=t[1],e[2]=t[2],e[3]=t[3],e},I=function(e,t){let i=t[0],r=t[1],n=t[2],s=t[3],a=i*i+r*r+n*n+s*s;return a>0&&(a=1/Math.sqrt(a),e[0]=i*a,e[1]=r*a,e[2]=n*a,e[3]=s*a),e},L=(function(){let e=m(),t=v(1,0,0),i=v(0,1,0)}(),function(){let e=R(),t=R()}(),function(){let e=function(){let e=new o(9);return 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Float32Array(16)),d(this[L].matrix,B(this[L].orientation.x,this[L].orientation.y,this[L].orientation.z,this[L].orientation.w),v(this[L].position.x,this[L].position.y,this[L].position.z))}_getPoint(e){return e instanceof DOMPointReadOnly?e:DOMPointReadOnly.fromPoint(e)}get matrix(){return this[L].matrix}get position(){return this[L].position}get orientation(){return this[L].orientation}get inverse(){if(null===this[L].inverse){let e=c(new Float32Array(16));h(e,this[L].matrix),this[L].inverse=new O(e),this[L].inverse[L].inverse=this}return this[L].inverse}}const N=Symbol("@@webxr-polyfill/XRSpace");class G{constructor(e=null,t=null){this[N]={specialType:e,inputSource:t,baseMatrix:null,inverseBaseMatrix:null,lastFrameId:-1}}get _specialType(){return this[N].specialType}get _inputSource(){return this[N].inputSource}_ensurePoseUpdated(e,t){t!=this[N].lastFrameId&&(this[N].lastFrameId=t,this._onPoseUpdate(e))}_onPoseUpdate(e){"viewer"==this[N].specialType&&(this._baseMatrix=e.getBasePoseMatrix())}set _baseMatrix(e){this[N].baseMatrix=e,this[N].inverseBaseMatrix=null}get _baseMatrix(){return this[N].baseMatrix||this[N].inverseBaseMatrix&&(this[N].baseMatrix=new Float32Array(16),h(this[N].baseMatrix,this[N].inverseBaseMatrix)),this[N].baseMatrix}set _inverseBaseMatrix(e){this[N].inverseBaseMatrix=e,this[N].baseMatrix=null}get _inverseBaseMatrix(){return this[N].inverseBaseMatrix||this[N].baseMatrix&&(this[N].inverseBaseMatrix=new Float32Array(16),h(this[N].inverseBaseMatrix,this[N].baseMatrix)),this[N].inverseBaseMatrix}_getSpaceRelativeTransform(e){if(!this._inverseBaseMatrix||!e._baseMatrix)return null;let t=new Float32Array(16);return u(t,this._inverseBaseMatrix,e._baseMatrix),new O(t)}}const V=Symbol("@@webxr-polyfill/XRReferenceSpace"),k=["viewer","local","local-floor","bounded-floor","unbounded"];class z extends G{constructor(e,t=null){if(!k.includes(e))throw new Error(`XRReferenceSpaceType must be one of ${k}`);if(super(e),"bounded-floor"===e&&!t)throw new Error("XRReferenceSpace cannot use 'bounded-floor' type if the platform does not provide the floor level");(function(e){return"bounded-floor"===e||"local-floor"===e})(e)&&!t&&((t=c(new Float32Array(16)))[13]=1.6),this._inverseBaseMatrix=t||c(new Float32Array(16)),this[V]={type:e,transform:t,originOffset:c(new Float32Array(16))}}_transformBasePoseMatrix(e,t){u(e,this._inverseBaseMatrix,t)}_originOffsetMatrix(){return this[V].originOffset}_adjustForOriginOffset(e){let t=new Float32Array(16);h(t,this[V].originOffset),u(e,t,e)}_getSpaceRelativeTransform(e){let t=super._getSpaceRelativeTransform(e);return this._adjustForOriginOffset(t.matrix),new XRRigidTransform(t.matrix)}getOffsetReferenceSpace(e){let t=new z(this[V].type,this[V].transform,this[V].bounds);return u(t[V].originOffset,this[V].originOffset,e.matrix),t}}const Q=Symbol("@@webxr-polyfill/XR"),U=["inline","immersive-vr","immersive-ar"],X={inline:{requiredFeatures:["viewer"],optionalFeatures:[]},"immersive-vr":{requiredFeatures:["viewer","local"],optionalFeatures:[]},"immersive-ar":{requiredFeatures:["viewer","local"],optionalFeatures:[]}};let H;if("performance"in n==!1){let e=Date.now();H=()=>Date.now()-e}else H=()=>performance.now();var W=H;const q=Symbol("@@webxr-polyfill/XRPose");class j{constructor(e,t){this[q]={transform:e,emulatedPosition:t}}get transform(){return this[q].transform}get emulatedPosition(){return this[q].emulatedPosition}}const Y=Symbol("@@webxr-polyfill/XRViewerPose");class Z extends j{constructor(e,t,i=!1){super(e,i),this[Y]={views:t}}get views(){return this[Y].views}}const $=Symbol("@@webxr-polyfill/XRViewport");class K{constructor(e){this[$]={target:e}}get x(){return this[$].target.x}get y(){return this[$].target.y}get width(){return this[$].target.width}get height(){return this[$].target.height}}const J=["left","right","none"],ee=Symbol("@@webxr-polyfill/XRView");class te{constructor(e,t,i,r){if(!J.includes(i))throw new Error(`XREye must be one of: ${J}`);const n=Object.create(null),s=new K(n);this[ee]={device:e,eye:i,viewport:s,temp:n,sessionId:r,transform:t}}get eye(){return this[ee].eye}get projectionMatrix(){return this[ee].device.getProjectionMatrix(this.eye)}get transform(){return this[ee].transform}_getViewport(e){if(this[ee].device.getViewport(this[ee].sessionId,this.eye,e,this[ee].temp))return this[ee].viewport}}const ie=Symbol("@@webxr-polyfill/XRFrame"),re="XRFrame access outside the callback that produced it is invalid.";let ne=0;class se{constructor(e,t,i){this[ie]={id:++ne,active:!1,animationFrame:!1,device:e,session:t,sessionId:i}}get session(){return this[ie].session}getViewerPose(e){if(!this[ie].animationFrame)throw new DOMException("getViewerPose can only be called on XRFrame objects passed to XRSession.requestAnimationFrame callbacks.","InvalidStateError");if(!this[ie].active)throw new DOMException(re,"InvalidStateError");const t=this[ie].device,i=this[ie].session;i[we].viewerSpace._ensurePoseUpdated(t,this[ie].id),e._ensurePoseUpdated(t,this[ie].id);let r=e._getSpaceRelativeTransform(i[we].viewerSpace);const n=[];for(let r of i[we].viewSpaces){r._ensurePoseUpdated(t,this[ie].id);let i=e._getSpaceRelativeTransform(r),s=new te(t,i,r.eye,this[ie].sessionId);n.push(s)}return new Z(r,n,!1)}getPose(e,t){if(!this[ie].active)throw new DOMException(re,"InvalidStateError");const i=this[ie].device;if("target-ray"===e._specialType||"grip"===e._specialType)return i.getInputPose(e._inputSource,t,e._specialType);{e._ensurePoseUpdated(i,this[ie].id),t._ensurePoseUpdated(i,this[ie].id);let r=t._getSpaceRelativeTransform(e);return r?new XRPose(r,!1):null}}}const ae=Symbol("@@webxr-polyfill/XRRenderState"),oe=Object.freeze({depthNear:.1,depthFar:1e3,inlineVerticalFieldOfView:null,baseLayer:null});class le{constructor(e={}){const t=Object.assign({},oe,e);this[ae]={config:t}}get depthNear(){return this[ae].config.depthNear}get depthFar(){return this[ae].config.depthFar}get inlineVerticalFieldOfView(){return this[ae].config.inlineVerticalFieldOfView}get baseLayer(){return this[ae].config.baseLayer}}const ce=Symbol("@@webxr-polyfill/polyfilled-xr-compatible"),he=Symbol("@@webxr-polyfill/xr-compatible"),ue=Symbol("@@webxr-polyfill/XRWebGLLayer"),de=Object.freeze({antialias:!0,depth:!1,stencil:!1,alpha:!0,multiview:!1,ignoreDepthValues:!1,framebufferScaleFactor:1});const Ae=Symbol("@@webxr-polyfill/XRInputSourceEvent");class pe extends Event{constructor(e,t){super(e,t),this[Ae]={frame:t.frame,inputSource:t.inputSource},Object.setPrototypeOf(this,pe.prototype)}get frame(){return this[Ae].frame}get inputSource(){return this[Ae].inputSource}}const fe=Symbol("@@webxr-polyfill/XRSessionEvent");class me extends Event{constructor(e,t){super(e,t),this[fe]={session:t.session},Object.setPrototypeOf(this,me.prototype)}get session(){return this[fe].session}}const ge=Symbol("@@webxr-polyfill/XRInputSourcesChangeEvent");class ve extends Event{constructor(e,t){super(e,t),this[ge]={session:t.session,added:t.added,removed:t.removed},Object.setPrototypeOf(this,ve.prototype)}get session(){return this[ge].session}get added(){return this[ge].added}get removed(){return this[ge].removed}}const we=Symbol("@@webxr-polyfill/XRSession");class ye extends G{constructor(e){super(e)}get eye(){return this._specialType}_onPoseUpdate(e){this._inverseBaseMatrix=e.getBaseViewMatrix(this._specialType)}}class be extends a{constructor(e,t,i){super();let r="inline"!=t,n=new le({inlineVerticalFieldOfView:r?null:.5*Math.PI});this[we]={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 z("viewer"),viewSpaces:[],currentInputSources:[]},r?this[we].viewSpaces.push(new ye("left"),new ye("right")):this[we].viewSpaces.push(new ye("none")),this[we].onDeviceFrame=()=>{if(this[we].ended||this[we].suspended)return;if(this[we].deviceFrameHandle=null,this[we].startDeviceFrameLoop(),null!==this[we].pendingRenderState&&(this[we].activeRenderState=new le(this[we].pendingRenderState),this[we].pendingRenderState=null,this[we].activeRenderState.baseLayer&&this[we].device.onBaseLayerSet(this[we].id,this[we].activeRenderState.baseLayer)),null===this[we].activeRenderState.baseLayer)return;const t=new se(e,this,this[we].id),i=this[we].currentFrameCallbacks=this[we].frameCallbacks;this[we].frameCallbacks=[],t[ie].active=!0,t[ie].animationFrame=!0,this[we].device.onFrameStart(this[we].id,this[we].activeRenderState),this._checkInputSourcesChange();const r=W();for(let e=0;e<i.length;e++)try{i[e].cancelled||"function"!=typeof i[e].callback||i[e].callback(r,t)}catch(e){console.error(e)}this[we].currentFrameCallbacks=null,t[ie].active=!1,this[we].device.onFrameEnd(this[we].id)},this[we].startDeviceFrameLoop=()=>{null===this[we].deviceFrameHandle&&(this[we].deviceFrameHandle=this[we].device.requestAnimationFrame(this[we].onDeviceFrame))},this[we].stopDeviceFrameLoop=()=>{const e=this[we].deviceFrameHandle;null!==e&&(this[we].device.cancelAnimationFrame(e),this[we].deviceFrameHandle=null)},this[we].onPresentationEnd=t=>{if(t!==this[we].id)return this[we].suspended=!1,this[we].startDeviceFrameLoop(),void this.dispatchEvent("focus",{session:this});this[we].ended=!0,this[we].stopDeviceFrameLoop(),e.removeEventListener("@@webxr-polyfill/vr-present-end",this[we].onPresentationEnd),e.removeEventListener("@@webxr-polyfill/vr-present-start",this[we].onPresentationStart),e.removeEventListener("@@webxr-polyfill/input-select-start",this[we].onSelectStart),e.removeEventListener("@@webxr-polyfill/input-select-end",this[we].onSelectEnd),this.dispatchEvent("end",new me("end",{session:this}))},e.addEventListener("@@webxr-polyfill/vr-present-end",this[we].onPresentationEnd),this[we].onPresentationStart=e=>{e!==this[we].id&&(this[we].suspended=!0,this[we].stopDeviceFrameLoop(),this.dispatchEvent("blur",{session:this}))},e.addEventListener("@@webxr-polyfill/vr-present-start",this[we].onPresentationStart),this[we].onSelectStart=e=>{e.sessionId===this[we].id&&this[we].dispatchInputSourceEvent("selectstart",e.inputSource)},e.addEventListener("@@webxr-polyfill/input-select-start",this[we].onSelectStart),this[we].onSelectEnd=e=>{e.sessionId===this[we].id&&(this[we].dispatchInputSourceEvent("selectend",e.inputSource),this[we].dispatchInputSourceEvent("select",e.inputSource))},e.addEventListener("@@webxr-polyfill/input-select-end",this[we].onSelectEnd),this[we].onSqueezeStart=e=>{e.sessionId===this[we].id&&this[we].dispatchInputSourceEvent("squeezestart",e.inputSource)},e.addEventListener("@@webxr-polyfill/input-squeeze-start",this[we].onSqueezeStart),this[we].onSqueezeEnd=e=>{e.sessionId===this[we].id&&(this[we].dispatchInputSourceEvent("squeezeend",e.inputSource),this[we].dispatchInputSourceEvent("squeeze",e.inputSource))},e.addEventListener("@@webxr-polyfill/input-squeeze-end",this[we].onSqueezeEnd),this[we].dispatchInputSourceEvent=(t,i)=>{const r=new se(e,this,this[we].id),n=new pe(t,{frame:r,inputSource:i});r[ie].active=!0,this.dispatchEvent(t,n),r[ie].active=!1},this[we].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[we].activeRenderState}get environmentBlendMode(){return this[we].device.environmentBlendMode||"opaque"}async requestReferenceSpace(e){if(this[we].ended)return;if(!k.includes(e))throw new TypeError(`XRReferenceSpaceType must be one of ${k}`);if(!this[we].device.doesSessionSupportReferenceSpace(this[we].id,e))throw new DOMException(`The ${e} reference space is not supported by this session.`,"NotSupportedError");if("viewer"===e)return this[we].viewerSpace;let t=await this[we].device.requestFrameOfReferenceTransform(e);if("bounded-floor"===e){if(!t)throw new DOMException(`${e} XRReferenceSpace not supported by this device.`,"NotSupportedError");if(!this[we].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 z(e,t)}requestAnimationFrame(e){if(this[we].ended)return;const t=++this[we].frameHandle;return this[we].frameCallbacks.push({handle:t,callback:e,cancelled:!1}),t}cancelAnimationFrame(e){let t=this[we].frameCallbacks,i=t.findIndex((t=>t&&t.handle===e));i>-1&&(t[i].cancelled=!0,t.splice(i,1)),t=this[we].currentFrameCallbacks,t&&(i=t.findIndex((t=>t&&t.handle===e)),i>-1&&(t[i].cancelled=!0))}get inputSources(){return this[we].device.getInputSources()}async end(){if(!this[we].ended)return this[we].immersive&&(this[we].ended=!0,this[we].device.removeEventListener("@@webxr-polyfill/vr-present-start",this[we].onPresentationStart),this[we].device.removeEventListener("@@webxr-polyfill/vr-present-end",this[we].onPresentationEnd),this[we].device.removeEventListener("@@webxr-polyfill/input-select-start",this[we].onSelectStart),this[we].device.removeEventListener("@@webxr-polyfill/input-select-end",this[we].onSelectEnd),this.dispatchEvent("end",new me("end",{session:this}))),this[we].stopDeviceFrameLoop(),this[we].device.endSession(this[we].id)}updateRenderState(e){if(this[we].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[we].immersive){throw new Error("inlineVerticalFieldOfView must not be set for an XRRenderState passed to updateRenderState for an immersive session.")}e.inlineVerticalFieldOfView=Math.min(3.13,Math.max(.01,e.inlineVerticalFieldOfView))}if(null===this[we].pendingRenderState){const e=this[we].activeRenderState;this[we].pendingRenderState={depthNear:e.depthNear,depthFar:e.depthFar,inlineVerticalFieldOfView:e.inlineVerticalFieldOfView,baseLayer:e.baseLayer}}Object.assign(this[we].pendingRenderState,e)}_checkInputSourcesChange(){const e=[],t=[],i=this.inputSources,r=this[we].currentInputSources;for(const t of i)r.includes(t)||e.push(t);for(const e of r)i.includes(e)||t.push(e);(e.length>0||t.length>0)&&this.dispatchEvent("inputsourceschange",new ve("inputsourceschange",{session:this,added:e,removed:t})),this[we].currentInputSources.length=0;for(const e of i)this[we].currentInputSources.push(e)}}const Ee=Symbol("@@webxr-polyfill/XRInputSource");class xe{constructor(e){this[Ee]={impl:e,gripSpace:new G("grip",this),targetRaySpace:new G("target-ray",this)}}get handedness(){return this[Ee].impl.handedness}get targetRayMode(){return this[Ee].impl.targetRayMode}get gripSpace(){let e=this[Ee].impl.targetRayMode;return"gaze"===e||"screen"===e?null:this[Ee].gripSpace}get targetRaySpace(){return this[Ee].targetRaySpace}get profiles(){return this[Ee].impl.profiles}get gamepad(){return this[Ee].impl.gamepad}}const Me=Symbol("@@webxr-polyfill/XRReferenceSpaceEvent");class Se extends Event{constructor(e,t){super(e,t),this[Me]={referenceSpace:t.referenceSpace,transform:t.transform||null},Object.setPrototypeOf(this,Se.prototype)}get referenceSpace(){return this[Me].referenceSpace}get transform(){return this[Me].transform}}var _e={XRSystem:class extends a{constructor(e){super(),this[Q]={device:null,devicePromise:e,immersiveSession:null,inlineSessions:new Set},e.then((e=>{this[Q].device=e}))}async isSessionSupported(e){return this[Q].device||await 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e.FRAMEBUFFER_BINDING:e.bindFramebuffer(e.FRAMEBUFFER,o);break;case e.RENDERBUFFER_BINDING:e.bindRenderbuffer(e.RENDERBUFFER,o);break;case e.TEXTURE_BINDING_2D:if((l=t[++s])<e.TEXTURE0||l>e.TEXTURE31)break;e.activeTexture(l),e.bindTexture(e.TEXTURE_2D,o);break;case e.TEXTURE_BINDING_CUBE_MAP:var l;if((l=t[++s])<e.TEXTURE0||l>e.TEXTURE31)break;e.activeTexture(l),e.bindTexture(e.TEXTURE_CUBE_MAP,o);break;case e.VIEWPORT:e.viewport(o[0],o[1],o[2],o[3]);break;case e.BLEND:case e.CULL_FACE:case e.DEPTH_TEST:case e.SCISSOR_TEST:case e.STENCIL_TEST:o?e.enable(a):e.disable(a);break;default:console.log("No GL restore behavior for 0x"+a.toString(16))}n&&e.activeTexture(n)}}else i(e)}var U=Q,X=["attribute vec2 position;","attribute vec3 texCoord;","varying vec2 vTexCoord;","uniform vec4 viewportOffsetScale[2];","void main() {"," vec4 viewport = viewportOffsetScale[int(texCoord.z)];"," vTexCoord = (texCoord.xy * viewport.zw) + viewport.xy;"," gl_Position = vec4( position, 1.0, 1.0 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W(e,t,i,r){this.gl=e,this.cardboardUI=t,this.bufferScale=i,this.dirtySubmitFrameBindings=r,this.ctxAttribs=e.getContextAttributes(),this.instanceExt=e.getExtension("ANGLE_instanced_arrays"),this.meshWidth=20,this.meshHeight=20,this.bufferWidth=e.drawingBufferWidth,this.bufferHeight=e.drawingBufferHeight,this.realBindFramebuffer=e.bindFramebuffer,this.realEnable=e.enable,this.realDisable=e.disable,this.realColorMask=e.colorMask,this.realClearColor=e.clearColor,this.realViewport=e.viewport,f()||(this.realCanvasWidth=Object.getOwnPropertyDescriptor(e.canvas.__proto__,"width"),this.realCanvasHeight=Object.getOwnPropertyDescriptor(e.canvas.__proto__,"height")),this.isPatched=!1,this.lastBoundFramebuffer=null,this.cullFace=!1,this.depthTest=!1,this.blend=!1,this.scissorTest=!1,this.stencilTest=!1,this.viewport=[0,0,0,0],this.colorMask=[!0,!0,!0,!0],this.clearColor=[0,0,0,0],this.attribs={position:0,texCoord:1},this.program=P(e,X,H,this.attribs),this.uniforms=C(e,this.program),this.viewportOffsetScale=new Float32Array(8),this.setTextureBounds(),this.vertexBuffer=e.createBuffer(),this.indexBuffer=e.createBuffer(),this.indexCount=0,this.renderTarget=e.createTexture(),this.framebuffer=e.createFramebuffer(),this.depthStencilBuffer=null,this.depthBuffer=null,this.stencilBuffer=null,this.ctxAttribs.depth&&this.ctxAttribs.stencil?this.depthStencilBuffer=e.createRenderbuffer():this.ctxAttribs.depth?this.depthBuffer=e.createRenderbuffer():this.ctxAttribs.stencil&&(this.stencilBuffer=e.createRenderbuffer()),this.patch(),this.onResize()}W.prototype.destroy=function(){var 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()},W.prototype.onResize=function(){var e=this.gl,t=this,i=[e.RENDERBUFFER_BINDING,e.TEXTURE_BINDING_2D,e.TEXTURE0];U(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()},W.prototype.patch=function(){if(!this.isPatched){var e=this,t=this.gl.canvas,i=this.gl;f()||(t.width=S()*this.bufferScale,t.height=_()*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,L(t)}},W.prototype.unpatch=function(){if(this.isPatched){var e=this.gl,t=this.gl.canvas;f()||(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(){L(t)}),1)}},W.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]},W.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),U(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||f())&&(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))})),f()){var r=e.canvas;r.width==t.bufferWidth&&r.height==t.bufferHeight||(t.bufferWidth=r.width,t.bufferHeight=r.height,t.onResize())}},W.prototype.updateDeviceInfo=function(e){var t=this.gl,i=this,r=[t.ARRAY_BUFFER_BINDING,t.ELEMENT_ARRAY_BUFFER_BINDING];U(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}}))},W.prototype.computeMeshVertices_=function(e,t,i){for(var r=new Float32Array(2*e*t*5),n=i.getLeftEyeVisibleTanAngles(),s=i.getLeftEyeNoLensTanAngles(),a=i.getLeftEyeVisibleScreenRect(s),o=0,l=0;l<2;l++){for(var c=0;c<t;c++)for(var h=0;h<e;h++,o++){var u=h/(e-1),d=c/(t-1),A=u,f=d,m=p(n[0],n[2],u),g=p(n[3],n[1],d),v=Math.sqrt(m*m+g*g),w=i.distortion.distortInverse(v),y=g*w/v;u=(m*w/v-s[0])/(s[2]-s[0]),d=(y-s[3])/(s[1]-s[3]),u=2*(a.x+u*a.width-.5),d=2*(a.y+d*a.height-.5),r[5*o+0]=u,r[5*o+1]=d,r[5*o+2]=A,r[5*o+3]=f,r[5*o+4]=l}var b=n[2]-n[0];n[0]=-(b+n[0]),n[2]=b-n[2],b=s[2]-s[0],s[0]=-(b+s[0]),s[2]=b-s[2],a.x=1-(a.x+a.width)}return r},W.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 c=0;c<e;c++,s++)0!=c&&0!=l&&(c<=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},W.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 q=["attribute vec2 position;","uniform mat4 projectionMat;","void main() {"," gl_Position = projectionMat * vec4( position, -1.0, 1.0 );","}"].join("\n"),j=["precision mediump float;","uniform vec4 color;","void main() {"," gl_FragColor = color;","}"].join("\n"),Y=Math.PI/180,Z=60,$=12,K=20,J=1,ee=.75,te=.3125,ie=4,re=28,ne=1.5;function se(e){this.gl=e,this.attribs={position:0},this.program=P(e,q,j,this.attribs),this.uniforms=C(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 ae(e){this.coefficients=e}se.prototype.destroy=function(){var e=this.gl;this.listener&&e.canvas.removeEventListener("click",this.listener,!1),e.deleteProgram(this.program),e.deleteBuffer(this.vertexBuffer)},se.prototype.listen=function(e,t){var i=this.gl.canvas;this.listener=function(r){var n=i.clientWidth/2,s=re*ne;r.clientX>n-s&&r.clientX<n+s&&r.clientY>i.clientHeight-s?e(r):r.clientX<s&&r.clientY<s&&t(r)},i.addEventListener("click",this.listener,!1)},se.prototype.onResize=function(){var e=this.gl,t=this,i=[e.ARRAY_BUFFER_BINDING];U(e,i,(function(e){var i=[],r=e.drawingBufferWidth/2,n=Math.max(screen.width,screen.height)*window.devicePixelRatio,s=e.drawingBufferWidth/n*window.devicePixelRatio,a=ie*s/2,o=re*ne*s,l=re*s/2,c=(re*ne-re)*s;function h(e,t){var n=(90-e)*Y,s=Math.cos(n),a=Math.sin(n);i.push(te*s*l+r,te*a*l+l),i.push(t*s*l+r,t*a*l+l)}i.push(r-a,o),i.push(r-a,e.drawingBufferHeight),i.push(r+a,o),i.push(r+a,e.drawingBufferHeight),t.gearOffset=i.length/2;for(var u=0;u<=6;u++){var d=u*Z;h(d,J),h(d+$,J),h(d+K,ee),h(d+(Z-K),ee),h(d+(Z-$),J)}function A(t,r){i.push(c+t,e.drawingBufferHeight-c-r)}t.gearVertexCount=i.length/2-t.gearOffset,t.arrowOffset=i.length/2;var p=a/Math.sin(45*Y);A(0,l),A(l,0),A(l+p,p),A(p,l+p),A(p,l-p),A(0,l),A(l,2*l),A(l+p,2*l-p),A(p,l-p),A(0,l),A(p,l-a),A(re*s,l-a),A(p,l+a),A(re*s,l+a),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)}))},se.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];U(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()}))},se.prototype.renderNoState=function(){var e=this.gl;e.useProgram(this.program),e.bindBuffer(e.ARRAY_BUFFER,this.vertexBuffer),e.enableVertexAttribArray(this.attribs.position),e.vertexAttribPointer(this.attribs.position,2,e.FLOAT,!1,8,0),e.uniform4f(this.uniforms.color,1,1,1,1),B(this.projMat,0,e.drawingBufferWidth,0,e.drawingBufferHeight,.1,1024),e.uniformMatrix4fv(this.uniforms.projectionMat,!1,this.projMat),e.drawArrays(e.TRIANGLE_STRIP,0,4),e.drawArrays(e.TRIANGLE_STRIP,this.gearOffset,this.gearVertexCount),e.drawArrays(e.TRIANGLE_STRIP,this.arrowOffset,this.arrowVertexCount)},ae.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},ae.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 oe=Math.PI/180,le=180/Math.PI,ce=function(e,t,i){this.x=e||0,this.y=t||0,this.z=i||0};ce.prototype={constructor:ce,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,c=o*i+a*t-n*r,h=o*r+n*i-s*t,u=-n*t-s*i-a*r;return this.x=l*o+u*-n+c*-a-h*-s,this.y=c*o+u*-s+h*-n-l*-a,this.z=h*o+u*-a+l*-s-c*-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 he,ue,de,Ae=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 pe(e){this.width=e.width||S(),this.height=e.height||_(),this.widthMeters=e.widthMeters,this.heightMeters=e.heightMeters,this.bevelMeters=e.bevelMeters}Ae.prototype={constructor:Ae,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,c=t.w;return this.x=i*c+s*a+r*l-n*o,this.y=r*c+s*o+n*a-i*l,this.z=n*c+s*l+i*o-r*a,this.w=s*c-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 c=Math.sin((1-t)*o)/l,h=Math.sin(t*o)/l;return this.w=s*c+this.w*h,this.x=i*c+this.x*h,this.y=r*c+this.y*h,this.z=n*c+this.z*h,this},setFromUnitVectors:(de=1e-6,function(e,t){return void 0===he&&(he=new ce),(ue=e.dot(t)+1)<de?(ue=0,Math.abs(e.x)>Math.abs(e.z)?he.set(-e.y,e.x,0):he.set(0,-e.z,e.y)):he.crossVectors(e,t),this.x=he.x,this.y=he.y,this.z=he.z,this.w=ue,this.normalize(),this})};var fe=new pe({widthMeters:.11,heightMeters:.062,bevelMeters:.004}),me=new pe({widthMeters:.1038,heightMeters:.0584,bevelMeters:.004}),ge={CardboardV1:new we({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 we({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 ve(e,t){this.viewer=ge.CardboardV2,this.updateDeviceParams(e),this.distortion=new ae(this.viewer.distortionCoefficients);for(var i=0;i<t.length;i++){var r=t[i];ge[r.id]=new we(r)}}function we(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}ve.prototype.updateDeviceParams=function(e){this.device=this.determineDevice_(e)||this.device},ve.prototype.getDevice=function(){return this.device},ve.prototype.setViewer=function(e){this.viewer=e,this.distortion=new ae(this.viewer.distortionCoefficients)},ve.prototype.determineDevice_=function(e){if(!e)return f()?(console.warn("Using fallback iOS device measurements."),me):(console.warn("Using fallback Android device measurements."),fe);var t=.0254,i=t/e.xdpi,r=t/e.ydpi;return new pe({widthMeters:i*S(),heightMeters:r*_(),bevelMeters:.001*e.bevelMm})},ve.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=le*Math.atan(i.distort(n/r)),c=le*Math.atan(i.distort(s/r)),h=le*Math.atan(i.distort(a/r)),u=le*Math.atan(i.distort(o/r));return{leftDegrees:Math.min(l,e.fov),rightDegrees:Math.min(c,e.fov),downDegrees:Math.min(h,e.fov),upDegrees:Math.min(u,e.fov)}},ve.prototype.getLeftEyeVisibleTanAngles=function(){var e=this.viewer,t=this.device,i=this.distortion,r=Math.tan(-oe*e.fov),n=Math.tan(oe*e.fov),s=Math.tan(oe*e.fov),a=Math.tan(-oe*e.fov),o=t.widthMeters/4,l=t.heightMeters/2,c=e.baselineLensDistance-t.bevelMeters-l,h=e.interLensDistance/2-o,u=-c,d=e.screenLensDistance,A=i.distort((h-o)/d),p=i.distort((u+l)/d),f=i.distort((h+o)/d),m=i.distort((u-l)/d),g=new Float32Array(4);return g[0]=Math.max(r,A),g[1]=Math.min(n,p),g[2]=Math.min(s,f),g[3]=Math.max(a,m),g},ve.prototype.getLeftEyeNoLensTanAngles=function(){var e=this.viewer,t=this.device,i=this.distortion,r=new Float32Array(4),n=i.distortInverse(Math.tan(-oe*e.fov)),s=i.distortInverse(Math.tan(oe*e.fov)),a=i.distortInverse(Math.tan(oe*e.fov)),o=i.distortInverse(Math.tan(-oe*e.fov)),l=t.widthMeters/4,c=t.heightMeters/2,h=e.baselineLensDistance-t.bevelMeters-c,u=e.interLensDistance/2-l,d=-h,A=e.screenLensDistance,p=(u-l)/A,f=(d+c)/A,m=(u+l)/A,g=(d-c)/A;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},ve.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,c=(e[3]*r+s)/i.heightMeters;return{x:a,y:c,width:l-a,height:o-c}},ve.prototype.getFieldOfViewLeftEye=function(e){return e?this.getUndistortedFieldOfViewLeftEye():this.getDistortedFieldOfViewLeftEye()},ve.prototype.getFieldOfViewRightEye=function(e){var t=this.getFieldOfViewLeftEye(e);return{leftDegrees:t.rightDegrees,rightDegrees:t.leftDegrees,upDegrees:t.upDegrees,downDegrees:t.downDegrees}},ve.prototype.getUndistortedFieldOfViewLeftEye=function(){var e=this.getUndistortedParams_();return{leftDegrees:le*Math.atan(e.outerDist),rightDegrees:le*Math.atan(e.innerDist),downDegrees:le*Math.atan(e.bottomDist),upDegrees:le*Math.atan(e.topDist)}},ve.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),c=Math.round((e.eyePosY-e.bottomDist)*o);return{x:l,y:c,width:Math.round((e.eyePosX+e.innerDist)*a)-l,height:Math.round((e.eyePosY+e.topDist)*o)-c}},ve.prototype.getUndistortedParams_=function(){var e=this.viewer,t=this.device,i=this.distortion,r=e.screenLensDistance,n=e.interLensDistance/2/r,s=t.widthMeters/r,a=t.heightMeters/r,o=s/2-n,l=(e.baselineLensDistance-t.bevelMeters)/r,c=e.fov,h=i.distortInverse(Math.tan(oe*c)),u=Math.min(o,h),d=Math.min(n,h),A=Math.min(l,h);return{outerDist:u,innerDist:d,topDist:Math.min(a-l,h),bottomDist:A,eyePosX:o,eyePosY:l}},ve.Viewers=ge;var ye={format:1,last_updated:"2019-11-09T17:36:14Z",devices:[{type:"android",rules:[{mdmh:"asus/*/Nexus 7/*"},{ua:"Nexus 7"}],dpi:[320.8,323],bw:3,ac:500},{type:"android",rules:[{mdmh:"asus/*/ASUS_X00PD/*"},{ua:"ASUS_X00PD"}],dpi:245,bw:3,ac:500},{type:"android",rules:[{mdmh:"asus/*/ASUS_X008D/*"},{ua:"ASUS_X008D"}],dpi:282,bw:3,ac:500},{type:"android",rules:[{mdmh:"asus/*/ASUS_Z00AD/*"},{ua:"ASUS_Z00AD"}],dpi:[403,404.6],bw:3,ac:1e3},{type:"android",rules:[{mdmh:"Google/*/Pixel 2 XL/*"},{ua:"Pixel 2 XL"}],dpi:537.9,bw:3,ac:1e3},{type:"android",rules:[{mdmh:"Google/*/Pixel 3 XL/*"},{ua:"Pixel 3 XL"}],dpi:[558.5,553.8],bw:3,ac:1e3},{type:"android",rules:[{mdmh:"Google/*/Pixel XL/*"},{ua:"Pixel XL"}],dpi:[537.9,533],bw:3,ac:1e3},{type:"android",rules:[{mdmh:"Google/*/Pixel 3/*"},{ua:"Pixel 3"}],dpi:442.4,bw:3,ac:1e3},{type:"android",rules:[{mdmh:"Google/*/Pixel 2/*"},{ua:"Pixel 2"}],dpi:441,bw:3,ac:500},{type:"android",rules:[{mdmh:"Google/*/Pixel/*"},{ua:"Pixel"}],dpi:[432.6,436.7],bw:3,ac:1e3},{type:"android",rules:[{mdmh:"HTC/*/HTC6435LVW/*"},{ua:"HTC6435LVW"}],dpi:[449.7,443.3],bw:3,ac:1e3},{type:"android",rules:[{mdmh:"HTC/*/HTC One XL/*"},{ua:"HTC One XL"}],dpi:[315.3,314.6],bw:3,ac:1e3},{type:"android",rules:[{mdmh:"htc/*/Nexus 9/*"},{ua:"Nexus 9"}],dpi:289,bw:3,ac:500},{type:"android",rules:[{mdmh:"HTC/*/HTC One M9/*"},{ua:"HTC One M9"}],dpi:[442.5,443.3],bw:3,ac:500},{type:"android",rules:[{mdmh:"HTC/*/HTC One_M8/*"},{ua:"HTC One_M8"}],dpi:[449.7,447.4],bw:3,ac:500},{type:"android",rules:[{mdmh:"HTC/*/HTC One/*"},{ua:"HTC One"}],dpi:472.8,bw:3,ac:1e3},{type:"android",rules:[{mdmh:"Huawei/*/Nexus 6P/*"},{ua:"Nexus 6P"}],dpi:[515.1,518],bw:3,ac:1e3},{type:"android",rules:[{mdmh:"Huawei/*/BLN-L24/*"},{ua:"HONORBLN-L24"}],dpi:480,bw:4,ac:500},{type:"android",rules:[{mdmh:"Huawei/*/BKL-L09/*"},{ua:"BKL-L09"}],dpi:403,bw:3.47,ac:500},{type:"android",rules:[{mdmh:"LENOVO/*/Lenovo PB2-690Y/*"},{ua:"Lenovo PB2-690Y"}],dpi:[457.2,454.713],bw:3,ac:500},{type:"android",rules:[{mdmh:"LGE/*/Nexus 5X/*"},{ua:"Nexus 5X"}],dpi:[422,419.9],bw:3,ac:1e3},{type:"android",rules:[{mdmh:"LGE/*/LGMS345/*"},{ua:"LGMS345"}],dpi:[221.7,219.1],bw:3,ac:500},{type:"android",rules:[{mdmh:"LGE/*/LG-D800/*"},{ua:"LG-D800"}],dpi:[422,424.1],bw:3,ac:500},{type:"android",rules:[{mdmh:"LGE/*/LG-D850/*"},{ua:"LG-D850"}],dpi:[537.9,541.9],bw:3,ac:500},{type:"android",rules:[{mdmh:"LGE/*/VS985 4G/*"},{ua:"VS985 4G"}],dpi:[537.9,535.6],bw:3,ac:1e3},{type:"android",rules:[{mdmh:"LGE/*/Nexus 5/*"},{ua:"Nexus 5 B"}],dpi:[442.4,444.8],bw:3,ac:1e3},{type:"android",rules:[{mdmh:"LGE/*/Nexus 4/*"},{ua:"Nexus 4"}],dpi:[319.8,318.4],bw:3,ac:1e3},{type:"android",rules:[{mdmh:"LGE/*/LG-P769/*"},{ua:"LG-P769"}],dpi:[240.6,247.5],bw:3,ac:1e3},{type:"android",rules:[{mdmh:"LGE/*/LGMS323/*"},{ua:"LGMS323"}],dpi:[206.6,204.6],bw:3,ac:1e3},{type:"android",rules:[{mdmh:"LGE/*/LGLS996/*"},{ua:"LGLS996"}],dpi:[403.4,401.5],bw:3,ac:1e3},{type:"android",rules:[{mdmh:"Micromax/*/4560MMX/*"},{ua:"4560MMX"}],dpi:[240,219.4],bw:3,ac:1e3},{type:"android",rules:[{mdmh:"Micromax/*/A250/*"},{ua:"Micromax A250"}],dpi:[480,446.4],bw:3,ac:1e3},{type:"android",rules:[{mdmh:"Micromax/*/Micromax AQ4501/*"},{ua:"Micromax AQ4501"}],dpi:240,bw:3,ac:500},{type:"android",rules:[{mdmh:"motorola/*/G5/*"},{ua:"Moto G (5) Plus"}],dpi:[403.4,403],bw:3,ac:1e3},{type:"android",rules:[{mdmh:"motorola/*/DROID RAZR/*"},{ua:"DROID RAZR"}],dpi:[368.1,256.7],bw:3,ac:1e3},{type:"android",rules:[{mdmh:"motorola/*/XT830C/*"},{ua:"XT830C"}],dpi:[254,255.9],bw:3,ac:1e3},{type:"android",rules:[{mdmh:"motorola/*/XT1021/*"},{ua:"XT1021"}],dpi:[254,256.7],bw:3,ac:500},{type:"android",rules:[{mdmh:"motorola/*/XT1023/*"},{ua:"XT1023"}],dpi:[254,256.7],bw:3,ac:500},{type:"android",rules:[{mdmh:"motorola/*/XT1028/*"},{ua:"XT1028"}],dpi:[326.6,327.6],bw:3,ac:1e3},{type:"android",rules:[{mdmh:"motorola/*/XT1034/*"},{ua:"XT1034"}],dpi:[326.6,328.4],bw:3,ac:500},{type:"android",rules:[{mdmh:"motorola/*/XT1053/*"},{ua:"XT1053"}],dpi:[315.3,316.1],bw:3,ac:1e3},{type:"android",rules:[{mdmh:"motorola/*/XT1562/*"},{ua:"XT1562"}],dpi:[403.4,402.7],bw:3,ac:1e3},{type:"android",rules:[{mdmh:"motorola/*/Nexus 6/*"},{ua:"Nexus 6 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A2001"}],dpi:[391.9,405.4],bw:3,ac:1e3},{type:"android",rules:[{mdmh:"OnePlus/*/ONE A2003/*"},{ua:"ONE A2003"}],dpi:[391.9,405.4],bw:3,ac:1e3},{type:"android",rules:[{mdmh:"OnePlus/*/ONE A2005/*"},{ua:"ONE A2005"}],dpi:[391.9,405.4],bw:3,ac:1e3},{type:"android",rules:[{mdmh:"OnePlus/*/ONEPLUS A3000/*"},{ua:"ONEPLUS A3000"}],dpi:401,bw:3,ac:500},{type:"android",rules:[{mdmh:"OnePlus/*/ONEPLUS A3003/*"},{ua:"ONEPLUS A3003"}],dpi:401,bw:3,ac:500},{type:"android",rules:[{mdmh:"OnePlus/*/ONEPLUS A3010/*"},{ua:"ONEPLUS A3010"}],dpi:401,bw:3,ac:500},{type:"android",rules:[{mdmh:"OnePlus/*/ONEPLUS A5000/*"},{ua:"ONEPLUS A5000 "}],dpi:[403.411,399.737],bw:3,ac:1e3},{type:"android",rules:[{mdmh:"OnePlus/*/ONE A5010/*"},{ua:"ONEPLUS A5010"}],dpi:[403,400],bw:2,ac:1e3},{type:"android",rules:[{mdmh:"OnePlus/*/ONEPLUS A6000/*"},{ua:"ONEPLUS A6000"}],dpi:401,bw:3,ac:500},{type:"android",rules:[{mdmh:"OnePlus/*/ONEPLUS A6003/*"},{ua:"ONEPLUS A6003"}],dpi:401,bw:3,ac:500},{type:"android",rules:[{mdmh:"OnePlus/*/ONEPLUS A6010/*"},{ua:"ONEPLUS A6010"}],dpi:401,bw:2,ac:500},{type:"android",rules:[{mdmh:"OnePlus/*/ONEPLUS A6013/*"},{ua:"ONEPLUS A6013"}],dpi:401,bw:2,ac:500},{type:"android",rules:[{mdmh:"OPPO/*/X909/*"},{ua:"X909"}],dpi:[442.4,444.1],bw:3,ac:1e3},{type:"android",rules:[{mdmh:"samsung/*/GT-I9082/*"},{ua:"GT-I9082"}],dpi:[184.7,185.4],bw:3,ac:1e3},{type:"android",rules:[{mdmh:"samsung/*/SM-G360P/*"},{ua:"SM-G360P"}],dpi:[196.7,205.4],bw:3,ac:1e3},{type:"android",rules:[{mdmh:"samsung/*/Nexus S/*"},{ua:"Nexus 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ONE TOUCH Fierce/*"},{ua:"ALCATEL ONE TOUCH Fierce"}],dpi:[240,247.5],bw:3,ac:1e3},{type:"android",rules:[{mdmh:"THL/*/thl 5000/*"},{ua:"thl 5000"}],dpi:[480,443.3],bw:3,ac:1e3},{type:"android",rules:[{mdmh:"Fly/*/IQ4412/*"},{ua:"IQ4412"}],dpi:307.9,bw:3,ac:1e3},{type:"android",rules:[{mdmh:"ZTE/*/ZTE Blade L2/*"},{ua:"ZTE Blade L2"}],dpi:240,bw:3,ac:500},{type:"android",rules:[{mdmh:"BENEVE/*/VR518/*"},{ua:"VR518"}],dpi:480,bw:3,ac:500},{type:"ios",rules:[{res:[640,960]}],dpi:[325.1,328.4],bw:4,ac:1e3},{type:"ios",rules:[{res:[640,1136]}],dpi:[317.1,320.2],bw:3,ac:1e3},{type:"ios",rules:[{res:[750,1334]}],dpi:326.4,bw:4,ac:1e3},{type:"ios",rules:[{res:[1242,2208]}],dpi:[453.6,458.4],bw:4,ac:1e3},{type:"ios",rules:[{res:[1125,2001]}],dpi:[410.9,415.4],bw:4,ac:1e3},{type:"ios",rules:[{res:[1125,2436]}],dpi:458,bw:4,ac:1e3},{type:"android",rules:[{mdmh:"Huawei/*/EML-L29/*"},{ua:"EML-L29"}],dpi:428,bw:3.45,ac:500},{type:"android",rules:[{mdmh:"Nokia/*/Nokia 7.1/*"},{ua:"Nokia 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 be(e,t){if(this.dpdb=ye,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 Ee(e){this.xdpi=e.xdpi,this.ydpi=e.ydpi,this.bevelMm=e.bevelMm}function xe(e,t){this.set(e,t)}function Me(e,t){this.kFilter=e,this.isDebug=t,this.currentAccelMeasurement=new xe,this.currentGyroMeasurement=new xe,this.previousGyroMeasurement=new xe,f()?this.filterQ=new Ae(-1,0,0,1):this.filterQ=new Ae(1,0,0,1),this.previousFilterQ=new Ae,this.previousFilterQ.copy(this.filterQ),this.accelQ=new Ae,this.isOrientationInitialized=!1,this.estimatedGravity=new ce,this.measuredGravity=new ce,this.gyroIntegralQ=new Ae}function Se(e,t){this.predictionTimeS=e,this.isDebug=t,this.previousQ=new Ae,this.previousTimestampS=null,this.deltaQ=new Ae,this.outQ=new Ae}function _e(e,t,i,r){this.yawOnly=i,this.accelerometer=new ce,this.gyroscope=new ce,this.filter=new Me(e,r),this.posePredictor=new Se(t,r),this.isFirefoxAndroid=v(),this.isIOS=f();var n=w();this.isDeviceMotionInRadians=!this.isIOS&&n&&n<66,this.isWithoutDeviceMotion=b()||y(),this.filterToWorldQ=new Ae,f()?this.filterToWorldQ.setFromAxisAngle(new ce(1,0,0),Math.PI/2):this.filterToWorldQ.setFromAxisAngle(new ce(1,0,0),-Math.PI/2),this.inverseWorldToScreenQ=new Ae,this.worldToScreenQ=new Ae,this.originalPoseAdjustQ=new Ae,this.originalPoseAdjustQ.setFromAxisAngle(new ce(0,0,1),-window.orientation*Math.PI/180),this.setScreenTransform_(),x()&&this.filterToWorldQ.multiply(this.inverseWorldToScreenQ),this.resetQ=new Ae,this.orientationOut_=new Float32Array(4),this.start()}be.prototype.getDeviceParams=function(){return this.deviceParams},be.prototype.recalculateDeviceParams_=function(){var e=this.calcDeviceParams_();e?(this.deviceParams=e,this.onDeviceParamsUpdated&&this.onDeviceParamsUpdated(this.deviceParams)):console.error("Failed to recalculate device parameters.")},be.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=S(),r=_();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(f()==("ios"==s.type)){for(var a=!1,o=0;o<s.rules.length;o++){var l=s.rules[o];if(this.ruleMatches_(l,t,i,r)){a=!0;break}}if(a)return new Ee({xdpi:s.dpi[0]||s.dpi,ydpi:s.dpi[1]||s.dpi,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},be.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},xe.prototype.set=function(e,t){this.sample=e,this.timestampS=t},xe.prototype.copy=function(e){this.set(e.sample,e.timestampS)},Me.prototype.addAccelMeasurement=function(e,t){this.currentAccelMeasurement.set(e,t)},Me.prototype.addGyroMeasurement=function(e,t){this.currentGyroMeasurement.set(e,t);var i=t-this.previousGyroMeasurement.timestampS;M(i)&&this.run_(),this.previousGyroMeasurement.copy(this.currentGyroMeasurement)},Me.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 Ae;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=new Ae;r.setFromUnitVectors(this.estimatedGravity,this.measuredGravity),r.inverse(),this.isDebug&&console.log("Delta: %d deg, G_est: (%s, %s, %s), G_meas: (%s, %s, %s)",le*V(r),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 n=new Ae;n.copy(this.filterQ),n.multiply(r),this.filterQ.slerp(n,1-this.kFilter),this.previousFilterQ.copy(this.filterQ)},Me.prototype.getOrientation=function(){return this.filterQ},Me.prototype.accelToQuaternion_=function(e){var t=new ce;t.copy(e),t.normalize();var i=new Ae;return i.setFromUnitVectors(new ce(0,0,-1),t),i.inverse(),i},Me.prototype.gyroToQuaternionDelta_=function(e,t){var i=new Ae,r=new ce;return r.copy(e),r.normalize(),i.setFromAxisAngle(r,e.length()*t),i},Se.prototype.getPrediction=function(e,t,i){if(!this.previousTimestampS)return this.previousQ.copy(e),this.previousTimestampS=i,e;var r=new ce;r.copy(t),r.normalize();var n=t.length();if(n<20*oe)return this.isDebug&&console.log("Moving slowly, at %s deg/s: no prediction",(le*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},_e.prototype.getPosition=function(){return null},_e.prototype.getOrientation=function(){var e=void 0;if(this.isWithoutDeviceMotion&&this._deviceOrientationQ)return this.deviceOrientationFixQ=this.deviceOrientationFixQ||(i=(new Ae).setFromAxisAngle(new ce(0,0,-1),0),r=new Ae,-90===window.orientation?r.setFromAxisAngle(new ce(0,1,0),Math.PI/-2):r.setFromAxisAngle(new ce(0,1,0),Math.PI/2),i.multiply(r)),this.deviceOrientationFilterToWorldQ=this.deviceOrientationFilterToWorldQ||((t=new Ae).setFromAxisAngle(new ce(1,0,0),-Math.PI/2),t),e=this._deviceOrientationQ,(n=new Ae).copy(e),n.multiply(this.deviceOrientationFilterToWorldQ),n.multiply(this.resetQ),n.multiply(this.worldToScreenQ),n.multiplyQuaternions(this.deviceOrientationFixQ,n),this.yawOnly&&(n.x=0,n.z=0,n.normalize()),this.orientationOut_[0]=n.x,this.orientationOut_[1]=n.y,this.orientationOut_[2]=n.z,this.orientationOut_[3]=n.w,this.orientationOut_;var t,i,r,n,s=this.filter.getOrientation();return e=this.posePredictor.getPrediction(s,this.gyroscope,this.previousTimestampS),(n=new Ae).copy(this.filterToWorldQ),n.multiply(this.resetQ),n.multiply(e),n.multiply(this.worldToScreenQ),this.yawOnly&&(n.x=0,n.z=0,n.normalize()),this.orientationOut_[0]=n.x,this.orientationOut_[1]=n.y,this.orientationOut_[2]=n.z,this.orientationOut_[3]=n.w,this.orientationOut_},_e.prototype.resetPose=function(){this.resetQ.copy(this.filter.getOrientation()),this.resetQ.x=0,this.resetQ.y=0,this.resetQ.z*=-1,this.resetQ.normalize(),x()&&this.resetQ.multiply(this.inverseWorldToScreenQ),this.resetQ.multiply(this.originalPoseAdjustQ)},_e.prototype.onDeviceOrientation_=function(e){this._deviceOrientationQ=this._deviceOrientationQ||new Ae;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)},_e.prototype.onDeviceMotion_=function(e){this.updateDeviceMotion_(e)},_e.prototype.updateDeviceMotion_=function(e){var t=e.accelerationIncludingGravity,i=e.rotationRate,r=e.timeStamp/1e3,n=r-this.previousTimestampS;return n<0?(k("fusion-pose-sensor:invalid:non-monotonic","Invalid timestamps detected: non-monotonic timestamp from devicemotion"),void(this.previousTimestampS=r)):n<=u||n>d?(k("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&&(E()?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))},_e.prototype.onOrientationChange_=function(e){this.setScreenTransform_()},_e.prototype.onMessage_=function(e){var t=e.data;t&&t.type&&"devicemotion"===t.type.toLowerCase()&&this.updateDeviceMotion_(t.deviceMotionEvent)},_e.prototype.setScreenTransform_=function(){switch(this.worldToScreenQ.set(0,0,0,1),window.orientation){case 0:break;case 90:this.worldToScreenQ.setFromAxisAngle(new ce(0,0,1),-Math.PI/2);break;case-90:this.worldToScreenQ.setFromAxisAngle(new ce(0,0,1),Math.PI/2)}this.inverseWorldToScreenQ.copy(this.worldToScreenQ),this.inverseWorldToScreenQ.inverse()},_e.prototype.start=function(){this.onDeviceMotionCallback_=this.onDeviceMotion_.bind(this),this.onOrientationChangeCallback_=this.onOrientationChange_.bind(this),this.onMessageCallback_=this.onMessage_.bind(this),this.onDeviceOrientationCallback_=this.onDeviceOrientation_.bind(this),f()&&N()&&window.addEventListener("message",this.onMessageCallback_),window.addEventListener("orientationchange",this.onOrientationChangeCallback_),this.isWithoutDeviceMotion?window.addEventListener("deviceorientation",this.onDeviceOrientationCallback_):window.addEventListener("devicemotion",this.onDeviceMotionCallback_)},_e.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=60,Fe=new ce(1,0,0),Pe=new ce(0,0,1),Ce=new Ae;Ce.setFromAxisAngle(Fe,-Math.PI/2),Ce.multiply((new Ae).setFromAxisAngle(Pe,Math.PI/2));var Be=function(){function e(t){l(this,e),this.config=t,this.sensor=null,this.fusionSensor=null,this._out=new Float32Array(4),this.api=null,this.errors=[],this._sensorQ=new Ae,this._outQ=new Ae,this._onSensorRead=this._onSensorRead.bind(this),this._onSensorError=this._onSensorError.bind(this),this.init()}return c(e,[{key:"init",value:function(){var e=null;try{(e=new RelativeOrientationSensor({frequency:Re,referenceFrame:"screen"})).addEventListener("error",this._onSensorError)}catch(e){this.errors.push(e),"SecurityError"===e.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"===e.name?this.useDeviceMotion():console.error(e)}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 _e(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(Ce),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}(),De="<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 15.775-.85-1.323c-4.731-1.529-9.748-2.74-14.951-3.61a.27.27 0 0 0-.007.024l-5.067 16.961-7.891 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Promise((function(i,r){e?(!F()&&f()&&(t.endPresent_(),t.fireVRDisplayPresentChange_()),m()&&(t.removeFullscreenWrapper(),t.removeFullscreenListeners_(),t.endPresent_(),t.fireVRDisplayPresentChange_()),i()):r(new Error("Was not presenting to VRDisplay."))}))},Ze.prototype.getLayers=function(){return this.layer_?[this.layer_]:[]},Ze.prototype.fireVRDisplayPresentChange_=function(){var e=new CustomEvent("vrdisplaypresentchange",{detail:{display:this}});window.dispatchEvent(e)},Ze.prototype.fireVRDisplayConnect_=function(){var e=new CustomEvent("vrdisplayconnect",{detail:{display:this}});window.dispatchEvent(e)},Ze.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))},Ze.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 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t=I({},$e);e=I(t,e||{}),Ze.call(this,{wakelock:e.MOBILE_WAKE_LOCK}),this.config=e,this.displayName="Cardboard VRDisplay",this.capabilities=new Ye({hasPosition:!1,hasOrientation:!0,hasExternalDisplay:!1,canPresent:!0,maxLayers:1}),this.stageParameters=null,this.bufferScale_=this.config.BUFFER_SCALE,this.poseSensor_=new Be(this.config),this.distorter_=null,this.cardboardUI_=null,this.dpdb_=new be(this.config.DPDB_URL,this.onDeviceParamsUpdated_.bind(this)),this.deviceInfo_=new ve(this.dpdb_.getDeviceParams(),e.ADDITIONAL_VIEWERS),this.viewerSelector_=new Ge(e.DEFAULT_VIEWER),this.viewerSelector_.onChange(this.onViewerChanged_.bind(this)),this.deviceInfo_.setViewer(this.viewerSelector_.getCurrentViewer()),this.config.ROTATE_INSTRUCTIONS_DISABLED||(this.rotateInstructions_=new Ie),f()&&window.addEventListener("resize",this.onResize_.bind(this))}return Je.prototype=Object.create(Ze.prototype),Je.prototype._getPose=function(){return{position:null,orientation:this.poseSensor_.getOrientation(),linearVelocity:null,linearAcceleration:null,angularVelocity:null,angularAcceleration:null}},Je.prototype._resetPose=function(){this.poseSensor_.resetPose&&this.poseSensor_.resetPose()},Je.prototype._getFieldOfView=function(e){var t;if(e==Ke.LEFT)t=this.deviceInfo_.getFieldOfViewLeftEye();else{if(e!=Ke.RIGHT)return console.error("Invalid eye provided: %s",e),null;t=this.deviceInfo_.getFieldOfViewRightEye()}return t},Je.prototype._getEyeOffset=function(e){var t;if(e==Ke.LEFT)t=[.5*-this.deviceInfo_.viewer.interLensDistance,0,0];else{if(e!=Ke.RIGHT)return console.error("Invalid eye provided: %s",e),null;t=[.5*this.deviceInfo_.viewer.interLensDistance,0,0]}return t},Je.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 z("VRFieldOfView","VRFrameData's projection matrices"),i}}),r},Je.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_)},Je.prototype.updateBounds_=function(){this.layer_&&this.distorter_&&(this.layer_.leftBounds||this.layer_.rightBounds)&&this.distorter_.setTextureBounds(this.layer_.leftBounds,this.layer_.rightBounds)},Je.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=S()*this.bufferScale_,e.canvas.height=_()*this.bufferScale_,this.cardboardUI_=new se(e)):(this.config.CARDBOARD_UI_DISABLED||(this.cardboardUI_=new se(e)),this.distorter_=new W(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_&&(x()&&D()?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_())},Je.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)},Je.prototype.updatePresent_=function(){this.endPresent_(),this.beginPresent_()},Je.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()}},Je.prototype.onOrientationChange_=function(e){this.viewerSelector_.hide(),this.rotateInstructions_&&this.rotateInstructions_.update(),this.onResize_()},Je.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"));var i=["position: absolute","top: 0","left: 0","width: 100vw","height: 100vh","border: 0","margin: 0","padding: 0px","box-sizing: content-box"];t.canvas.setAttribute("style",i.join("; ")+";"),L(t.canvas)}},Je.prototype.onViewerChanged_=function(e){this.deviceInfo_.setViewer(e),this.distorter_&&this.distorter_.updateDeviceInfo(this.deviceInfo_),this.fireVRDisplayDeviceParamsChange_()},Je.prototype.fireVRDisplayDeviceParamsChange_=function(){var e=new CustomEvent("vrdisplaydeviceparamschange",{detail:{vrdisplay:this,deviceInfo:this.deviceInfo_}});window.dispatchEvent(e)},Je.VRFrameData=je,Je.VRDisplay=Ze,Je}()},Pe(Ce={exports:{}},Ce.exports),Ce.exports),Ie=(Be=De)&&Be.__esModule&&Object.prototype.hasOwnProperty.call(Be,"default")?Be.default:Be;class Le extends a{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 Oe={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]}},Ne={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]}},Ge={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]}}}},Ve={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]}},ke={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]}},ze={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]}},Qe={"Daydream Controller":{mapping:"",profiles:["google-daydream","generic-trigger-touchpad"],buttons:{length:3,0:null,1:null,2:0}},"Gear VR Controller":Ve,"HTC Vive Focus Controller":{mapping:"xr-standard",profiles:["htc-vive-focus","generic-trigger-touchpad"],buttons:{length:3,0:1,1:null,2:0}},"Oculus Go Controller":Oe,"Oculus Touch (Right)":Ne,"Oculus Touch (Left)":Ne,"OpenVR Gamepad":Ge,"Spatial Controller (Spatial Interaction Source) 045E-065A":ze,"Spatial Controller (Spatial Interaction Source) 045E-065D":ke,"Windows Mixed Reality (Right)":ze,"Windows Mixed Reality (Left)":ze};const Ue=v(.155,-.465,-.15),Xe=v(-.155,-.465,-.15),He=v(0,0,-.25),We=v(0,0,.05),qe=v(-.08,.14,.08),je=180/Math.PI;class Ye{constructor(){this.hand="right",this.headElbowOffset=Ue,this.controllerQ=R(),this.lastControllerQ=R(),this.headQ=R(),this.headPos=m(),this.elbowPos=m(),this.wristPos=m(),this.time=null,this.lastTime=null,this.rootQ=R(),this.position=m()}setHandedness(e){this.hand!=e&&(this.hand=e,"left"==this.hand?this.headElbowOffset=Xe:this.headElbowOffset=Ue)}update(e,t){this.time=W(),e&&(D(this.lastControllerQ,this.controllerQ),D(this.controllerQ,e)),t&&(A(this.headPos,t),p(this.headQ,t));let i=this.getHeadYawOrientation_(),r=this.quatAngle_(this.lastControllerQ,this.controllerQ);r/((this.time-this.lastTime)/1e3)>.61?T(this.rootQ,this.rootQ,i,Math.min(r/.175,1)):D(this.rootQ,i);let n=v(0,0,-1);S(n,n,this.controllerQ);let s=x(n,[0,1,0]),a=this.clamp_((s-.12)/.87,0,1),o=C(this.rootQ);P(o,o),F(o,o,this.controllerQ);let l=this.elbowPos;w(l,this.headPos),y(l,l,this.headElbowOffset);let c=g(qe);b(c,c,a),y(l,l,c);let h=this.quatAngle_(o,R())*je,u=(1-Math.pow(h/180,4))*(.4+.6*a*.4),d=R();T(d,d,o,u);let f=P(R(),d),m=C(o);F(m,m,f);let E=this.wristPos;w(E,We),S(E,E,d),y(E,E,He),S(E,E,m),y(E,E,l);let M=g(qe);b(M,M,a),y(this.position,this.wristPos,M),S(this.position,this.position,this.rootQ),this.lastTime=this.time}getPosition(){return this.position}getHeadYawOrientation_(){let e=m();!function(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))}}(e,this.headQ,"YXZ");let t=function(e,t,i,r){let n=.5*Math.PI/180;t*=n,i*=n,r*=n;let s=Math.sin(t),a=Math.cos(t),o=Math.sin(i),l=Math.cos(i),c=Math.sin(r),h=Math.cos(r);return e[0]=s*l*h-a*o*c,e[1]=a*o*h+s*l*c,e[2]=a*l*c-s*o*h,e[3]=a*l*h+s*o*c,e}(R(),0,e[1]*je,0);return t}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 S(i,i,e),S(r,r,t),function(e,t){let i=v(e[0],e[1],e[2]),r=v(t[0],t[1],t[2]);E(i,i),E(r,r);let n=x(i,r);return n>1?0:n<-1?Math.PI:Math.acos(n)}(i,r)}}const Ze=Symbol("@@webxr-polyfill/XRRemappedGamepad"),$e={pressed:!1,touched:!1,value:0};Object.freeze($e);class Ke{constructor(e,t,i){if(i||(i={}),i.userAgentOverrides)for(let e in i.userAgentOverrides)if(navigator.userAgent.includes(e)){let t=i.userAgentOverrides[e];for(let e in t)e in i?Object.assign(i[e],t[e]):i[e]=t[e];break}let r=new Array(i.axes&&i.axes.length?i.axes.length:e.axes.length),n=new Array(i.buttons&&i.buttons.length?i.buttons.length:e.buttons.length),s=null;if(i.gripTransform){let e=i.gripTransform.orientation||[0,0,0,1];s=l(),d(s,I(e,e),i.gripTransform.position||[0,0,0])}let a=null;if(i.targetRayTransform){let e=i.targetRayTransform.orientation||[0,0,0,1];a=l(),d(a,I(e,e),i.targetRayTransform.position||[0,0,0])}let o=i.profiles;i.displayProfiles&&t.displayName in i.displayProfiles&&(o=i.displayProfiles[t.displayName]),this[Ze]={gamepad:e,map:i,profiles:o||[e.id],mapping:i.mapping||e.mapping,axes:r,buttons:n,gripTransform:s,targetRayTransform:a},this._update()}_update(){let e=this[Ze].gamepad,t=this[Ze].map,i=this[Ze].axes;for(let r=0;r<i.length;++r)t.axes&&r in t.axes?null===t.axes[r]?i[r]=0:i[r]=e.axes[t.axes[r]]:i[r]=e.axes[r];if(t.axes&&t.axes.invert)for(let e of t.axes.invert)e<i.length&&(i[e]*=-1);let r=this[Ze].buttons;for(let i=0;i<r.length;++i)t.buttons&&i in t.buttons?null===t.buttons[i]?r[i]=$e:r[i]=e.buttons[t.buttons[i]]:r[i]=e.buttons[i]}get id(){return""}get _profiles(){return this[Ze].profiles}get index(){return-1}get connected(){return this[Ze].gamepad.connected}get timestamp(){return this[Ze].gamepad.timestamp}get mapping(){return this[Ze].mapping}get axes(){return this[Ze].axes}get buttons(){return this[Ze].buttons}get hapticActuators(){return this[Ze].gamepad.hapticActuators}}class Je{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=l(),this.outputMatrix=l(),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 Ke(e,this.display,Qe[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 Ye),this.armModel.setHandedness(this.nativeGamepad.hand),this.armModel.update(i,this.polyfill.getBasePoseMatrix()),t=this.armModel.getPosition()),d(this.basePoseMatrix,i,t)}else!function(e,t){e[0]=t[0],e[1]=t[1],e[2]=t[2],e[3]=t[3],e[4]=t[4],e[5]=t[5],e[6]=t[6],e[7]=t[7],e[8]=t[8],e[9]=t[9],e[10]=t[10],e[11]=t[11],e[12]=t[12],e[13]=t[13],e[14]=t[14],e[15]=t[15]}(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[Ze].targetRayTransform&&u(this.outputMatrix,this.outputMatrix,this.gamepad[Ze].targetRayTransform);break;case"grip":if(!this.nativeGamepad||!this.nativeGamepad.pose)return null;e._transformBasePoseMatrix(this.outputMatrix,this.basePoseMatrix),this.gamepad&&this.gamepad[Ze].gripTransform&&u(this.outputMatrix,this.outputMatrix,this.gamepad[Ze].gripTransform);break;default:return null}return e._adjustForOriginOffset(this.outputMatrix),new XRPose(new XRRigidTransform(this.outputMatrix),this.emulatedPosition)}}const et={highRefreshRate:!0},tt={oculus:1,openvr:1,"spatial controller (spatial interaction source)":1};let it=0;class rt{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=++it,this.modifiedCanvasLayer=!1,this.outputContext){const e=i.renderContextType||"2d";this.renderContext=this.outputContext.canvas.getContext(e)}}}class nt extends Le{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=l(),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=(e=>!(!e.ImageBitmapRenderingContext||!e.createImageBitmap))(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:et}]).then((()=>{this.global.document.body.contains(r)||(i.modifiedCanvasLayer=!0,this.global.document.body.appendChild(r),(e=>{e.style.display="block",e.style.position="absolute",e.style.width=e.style.height="1px",e.style.top=e.style.left="0px"})(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;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");e.getContext("webgl");await this.display.requestPresent([{source:e,attributes:et}])}const r=new rt(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 e in tt)if(i.includes(e)){t=tt[e];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 Je(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(!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;{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 n=this.sessions.get(e),{width:s,height:a}=i.context.canvas;if(!n.immersive)return r.x=r.y=0,r.width=s,r.height=a,!0;if("left"===t||"none"===t)r.x=0;else{if("right"!==t)return!1;r.x=s/2}return r.y=0,r.width=s/2,r.height=a,!0}getBasePoseMatrix(){let{position:e,orientation:t}=this.frame.pose;return e||t?(e||(e=this.tempVec3,e[0]=e[1]=e[2]=0),d(this.baseModelMatrix,t,e),this.baseModelMatrix):this.baseModelMatrix}getBaseViewMatrix(e){if("left"===e||"none"===e)return this.frame.leftViewMatrix;if("right"===e)return this.frame.rightViewMatrix;throw new Error("eye must be of type 'left' or 'right'")}getInputSources(){let e=[];for(let t in this.gamepadInputSources)e.push(this.gamepadInputSources[t].inputSource);return e}getInputPose(e,t,i){if(!t)return null;for(let r in this.gamepadInputSources){let n=this.gamepadInputSources[r];if(n.inputSource===e)return n.getXRPose(t,i)}return 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 st extends nt{constructor(e,t){const i=new Ie(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}}}let at=0;class ot{constructor(e,t){this.mode=e,this.enabledFeatures=t,this.ended=null,this.baseLayer=null,this.id=++at}}class lt extends Le{constructor(e){super(e),this.sessions=new Map,this.projectionMatrix=l(),this.identityMatrix=l()}onBaseLayerSet(e,t){this.sessions.get(e).baseLayer=t}isSessionSupported(e){return"inline"==e}isFeatureSupported(e){return"viewer"===e}async requestSession(e,t){if(!this.isSessionSupported(e))return Promise.reject();const i=new ot(e,t);return this.sessions.set(i.id,i),Promise.resolve(i.id)}requestAnimationFrame(e){return window.requestAnimationFrame(e)}cancelAnimationFrame(e){window.cancelAnimationFrame(e)}onFrameStart(e,t){const i=this.sessions.get(e);if(i.baseLayer){const e=i.baseLayer.context.canvas;f(this.projectionMatrix,t.inlineVerticalFieldOfView,e.width/e.height,t.depthNear,t.depthFar)}}onFrameEnd(e){}async endSession(e){this.sessions.get(e).ended=!0}doesSessionSupportReferenceSpace(e,t){const i=this.sessions.get(e);return!i.ended&&i.enabledFeatures.has(t)}requestStageBounds(){return null}async requestFrameOfReferenceTransform(e,t){return null}getProjectionMatrix(e){return 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r=t[0],n=t[1],s=t[2],a=t[3],o=t[4],l=t[5],c=t[6],h=t[7],u=t[8],d=i[0],A=i[1];return e[0]=r,e[1]=n,e[2]=s,e[3]=a,e[4]=o,e[5]=l,e[6]=d*r+A*a+c,e[7]=d*n+A*o+h,e[8]=d*s+A*l+u,e}function Bt(e,t,i){var r=t[0],n=t[1],s=t[2],a=t[3],o=t[4],l=t[5],c=t[6],h=t[7],u=t[8],d=Math.sin(i),A=Math.cos(i);return e[0]=A*r+d*a,e[1]=A*n+d*o,e[2]=A*s+d*l,e[3]=A*a-d*r,e[4]=A*o-d*n,e[5]=A*l-d*s,e[6]=c,e[7]=h,e[8]=u,e}function Dt(e,t,i){var r=i[0],n=i[1];return e[0]=r*t[0],e[1]=r*t[1],e[2]=r*t[2],e[3]=n*t[3],e[4]=n*t[4],e[5]=n*t[5],e[6]=t[6],e[7]=t[7],e[8]=t[8],e}function It(e,t){return e[0]=1,e[1]=0,e[2]=0,e[3]=0,e[4]=1,e[5]=0,e[6]=t[0],e[7]=t[1],e[8]=1,e}function Lt(e,t){var i=Math.sin(t),r=Math.cos(t);return e[0]=r,e[1]=i,e[2]=0,e[3]=-i,e[4]=r,e[5]=0,e[6]=0,e[7]=0,e[8]=1,e}function Ot(e,t){return e[0]=t[0],e[1]=0,e[2]=0,e[3]=0,e[4]=t[1],e[5]=0,e[6]=0,e[7]=0,e[8]=1,e}function Nt(e,t){return e[0]=t[0],e[1]=t[1],e[2]=0,e[3]=t[2],e[4]=t[3],e[5]=0,e[6]=t[4],e[7]=t[5],e[8]=1,e}function Gt(e,t){var 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e[0]*t[0]+e[1]*t[1]+e[2]*t[2]+e[3]*t[3]},Pr=function(e,t,i,r){var n=t[0],s=t[1],a=t[2],o=t[3];return e[0]=n+r*(i[0]-n),e[1]=s+r*(i[1]-s),e[2]=a+r*(i[2]-a),e[3]=o+r*(i[3]-o),e},Cr=ji,Br=Cr,Dr=Yi,Ir=Dr,Lr=function(e,t){var i=t[0],r=t[1],n=t[2],s=t[3],a=i*i+r*r+n*n+s*s;return a>0&&(a=1/Math.sqrt(a)),e[0]=i*a,e[1]=r*a,e[2]=n*a,e[3]=s*a,e},Or=function(e,t){return e[0]===t[0]&&e[1]===t[1]&&e[2]===t[2]&&e[3]===t[3]},Nr=function(e,t){var i=e[0],r=e[1],n=e[2],s=e[3],a=t[0],o=t[1],l=t[2],c=t[3];return Math.abs(i-a)<=mt*Math.max(1,Math.abs(i),Math.abs(a))&&Math.abs(r-o)<=mt*Math.max(1,Math.abs(r),Math.abs(o))&&Math.abs(n-l)<=mt*Math.max(1,Math.abs(n),Math.abs(l))&&Math.abs(s-c)<=mt*Math.max(1,Math.abs(s),Math.abs(c))},Gr=(mr=Jt(),gr=ii(1,0,0),vr=ii(0,1,0),function(e,t,i){var r=Ei(t,i);return r<-.999999?(xi(mr,gr,t),Hi(mr)<1e-6&&xi(mr,vr,t),bi(mr,mr),Ki(e,mr,Math.PI),e):r>.999999?(e[0]=0,e[1]=0,e[2]=0,e[3]=1,e):(xi(mr,t,i),e[0]=mr[0],e[1]=mr[1],e[2]=mr[2],e[3]=1+r,Lr(e,e))}),Vr=(wr=Zi(),yr=Zi(),function(e,t,i,r,n,s){return cr(wr,t,n,s),cr(yr,i,r,s),cr(e,wr,yr,2*s*(1-s)),e}),kr=(br=wt(),function(e,t,i,r){return br[0]=i[0],br[3]=i[1],br[6]=i[2],br[1]=r[0],br[4]=r[1],br[7]=r[2],br[2]=-t[0],br[5]=-t[1],br[8]=-t[2],Lr(e,Ar(e,br))}),zr={};Object.defineProperty(zr,"__esModule",{value:!0});var Qr={};Object.defineProperty(Qr,"__esModule",{value:!0});Qr.default=class{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}},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()};var Ur=qr(Qr),Xr={};Object.defineProperty(Xr,"__esModule",{value:!0});Xr.default=class{constructor(e){this.options=e||{},this.options.color=e.color||"rgb(237, 34, 93)",this.options.background=e.background||!1,this.options.disabledOpacity=e.disabledOpacity||.5,this.options.height=e.height||window.innerWidth/5,this.options.corners=e.corners||"square",this.options.cssprefix=e.cssprefix||"webvr-ui",this.options.textEnterXRTitle=e.textEnterXRTitle||"ENTER XR",this.options.textXRNotFoundTitle=e.textXRNotFoundTitle||"XR NOT FOUND",this.options.textExitXRTitle=e.textExitXRTitle||"EXIT XR",this.options.onRequestSession=e.onRequestSession||function(){},this.options.onEndSession=e.onEndSession||function(){},this.options.injectCSS=!1!==e.injectCSS,this.options=e,this.device=null,this.session=null,this.logoScale=1.2,this._WEBXR_UI_CSS_INJECTED={},this.domElement=e.domElement||this.createDefaultView(e),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(e,t){const i=t*this.logoScale;return`<button class="${e}-button">\n <div class="${e}-title"></div>\n <div class="${e}-logo" >${this.generateXRIconString(e,i)+this.generateNoXRIconString(e,i)}</div>\n </button>`}createDefaultView(e){const t=e.height/3;e.injectCSS&&(this._WEBXR_UI_CSS_INJECTED[e.cssprefix]||(this.injectCSS(this.generateCSS(e,t)),this._WEBXR_UI_CSS_INJECTED[e.cssprefix]=!0));const i=document.createElement("div");return i.innerHTML=this.generateInnerHTML(e.cssprefix,t),i.firstChild}createXRIcon(e,t){const i=document.createElement("div");return i.innerHTML=generateXRIconString(e,t),i.firstChild}createNoXRIcon(e,t){const i=document.createElement("div");return i.innerHTML=generateNoXRIconString(e,t),i.firstChild}generateXRIconString(e,t){return`<svg class="${e}-svg" version="1.1" x="0px" y="0px"\n width="${28/18*t}px" height="${t}px" viewBox="0 0 28 18" xml:space="preserve">\n <path d="M26.8,1.1C26.1,0.4,25.1,0,24.2,0H3.4c-1,0-1.7,0.4-2.4,1.1C0.3,1.7,0,2.7,0,3.6v10.7\n c0,1,0.3,1.9,0.9,2.6C1.6,17.6,2.4,18,3.4,18h5c0.7,0,1.3-0.2,1.8-0.5c0.6-0.3,1-0.8,1.3-1.4l\n 1.5-2.6C13.2,13.1,13,13,14,13v0h-0.2 h0c0.3,0,0.7,0.1,0.8,0.5l1.4,2.6c0.3,0.6,0.8,1.1,1.3,\n 1.4c0.6,0.3,1.2,0.5,1.8,0.5h5c1,0,2-0.4,2.7-1.1c0.7-0.7,1.2-1.6,1.2-2.6 V3.6C28,2.7,27.5,\n 1.7,26.8,1.1z M7.4,11.8c-1.6,0-2.8-1.3-2.8-2.8c0-1.6,1.3-2.8,2.8-2.8c1.6,0,2.8,1.3,2.8,2.8\n C10.2,10.5,8.9,11.8,7.4,11.8z 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this.device=e,this.__updateButtonState(),this}setSession(e){return this.session=e,this.__updateButtonState(),this}setTitle(e){return this.domElement.title=e,this.ifChild(this.domElement,this.options.cssprefix,"title",(t=>{e?(t.innerText=e,t.style.display="initial"):t.style.display="none"})),this}generateCSS(e,t=18){const{height:i}=e,r=e.background?e.background:e.color,n=e.cssprefix;let s;return s="round"==e.corners?e.height/2:"square"==e.corners?2:e.corners,`\n @font-face {\n font-family: 'Karla';\n font-style: normal;\n font-weight: 400;\n src: local('Karla'), local('Karla-Regular'),\n url(https://fonts.gstatic.com/s/karla/v5/31P4mP32i98D9CEnGyeX9Q.woff2) format('woff2');\n unicode-range: U+0100-024F, U+1E00-1EFF, U+20A0-20AB, U+20AD-20CF, U+2C60-2C7F, U+A720-A7FF;\n }\n @font-face {\n font-family: 'Karla';\n font-style: normal;\n font-weight: 400;\n src: local('Karla'), local('Karla-Regular'),\n url(https://fonts.gstatic.com/s/karla/v5/Zi_e6rBgGqv33BWF8WTq8g.woff2) format('woff2');\n unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074,\n U+20AC, U+2212, U+2215, U+E0FF, U+EFFD, U+F000;\n }\n\n button.${n}-button {\n font-family: 'Karla', sans-serif;\n\n border: ${r} 2px solid;\n border-radius: ${s}px;\n box-sizing: border-box;\n background: ${e.background?e.background:"none"};\n\n height: ${i}px;\n min-width: ${9.6*t}px;\n display: inline-block;\n position: absolute;\n top: 5%;\n left: 15%;\n cursor: pointer;\n }\n\n button.${n}-button:focus {\n outline: none;\n }\n\n /*\n * Logo\n */\n\n .${n}-logo {\n width: ${i}px;\n height: ${i}px;\n position: absolute;\n top:0px;\n left:0px;\n width: ${i-4}px;\n height: ${i-4}px;\n }\n .${n}-svg {\n fill: ${e.color};\n margin-top: ${(i-t*this.logoScale)/2-2}px;\n margin-left: ${i/3}px;\n }\n .${n}-svg-error {\n fill: ${e.color};\n display:none;\n margin-top: ${(i-28/18*t*this.logoScale)/2-2}px;\n margin-left: ${i/3}px;\n }\n\n\n /*\n * Title\n */\n\n .${n}-title {\n color: ${e.color};\n position: relative;\n font-size: ${t}px;\n padding-left: ${1.05*i}px;\n padding-right: ${s-10<5?i/3:s-10}px;\n }\n\n /*\n * disabled\n */\n\n button.${n}-button[disabled=true] {\n opacity: ${e.disabledOpacity};\n }\n\n button.${n}-button[disabled=true] > .${n}-logo > .${n}-svg {\n display:none;\n }\n\n button.${n}-button[disabled=true] > .${n}-logo > .${n}-svg-error {\n display:initial;\n }\n `}injectCSS(e){const t=document.createElement("style");t.innerHTML=e;const i=document.getElementsByTagName("head")[0];i.insertBefore(t,i.firstChild)}ifChild(e,t,i,r){const n=e.querySelector(`.${t}-${i}`);n&&r(n)}setTooltip(e){return this.domElement.title=e,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(e){e||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((e=>{"granted"===e&&window.addEventListener("devicemotion",(()=>{}))})).catch(console.error),"undefined"!=typeof DeviceOrientationEvent&&"function"==typeof DeviceOrientationEvent.requestPermission&&DeviceOrientationEvent.requestPermission().then((e=>{"granted"===e&&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))}};var Hr=qr(Xr),Wr={};Object.defineProperty(Wr,"__esModule",{value:!0});function qr(e){return e&&e.__esModule?e:{default:e}}Wr.default=class{constructor(e,t,i){this._inputSource=e,this._targetRayPose=t.getPose(this._inputSource.targetRaySpace,i),this._pose,this.gamepad=e.gamepad,this._dir=Kt.create();const r=ft.create(),n=Kt.create();this._dir[2]=-1,this._targetRayPose&&(Kt.transformMat4(n,n,this._targetRayPose.transform.matrix),ft.fromMat4(r,this._targetRayPose.transform.matrix),Kt.transformMat3(this._dir,this._dir,r)),this.direction=this._dir}get direction(){return new p5.Vector(this._dir[0],this._dir[1],this._dir[2])}set direction(e){this._dir=Kt.copy(this._dir,e),Kt.normalize(this._dir,this._dir),this.inv_dir=Kt.fromValues(1/this._dir[0],1/this._dir[1],1/this._dir[2]),this.sign=[this.inv_dir[0]<0?1:0,this.inv_dir[1]<0?1:0,this.inv_dir[2]<0?1:0]}get pose(){return this.updatePose(),this._pose.transform.matrix}get position(){this.updatePose();const e=this._pose?.transform?.position;return new p5.Vector(e.x,e.y,e.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}};zr.default=class{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 Ur.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]}setupCanvas(){createCanvas(windowWidth,windowHeight,WEBGL),p5.instance._setupDone=!0}createButton(){p5.instance._incrementPreload(),this.setupCanvas(),this.removeLoadingElement(),this.xrButton=new Hr.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)}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 r=this.xrRefSpace;this.isVR&&!this.isImmersive&&(r=this.getAdjustedRefSpace(this.xrRefSpace));const n=t.getViewerPose(this.xrRefSpace),s=i.renderState.baseLayer;if(this.frame=t,n){this.viewer.pose=t.getViewerPose(r),this.gl.bindFramebuffer(this.gl.FRAMEBUFFER,s.framebuffer),this.isVR&&this.clearVR();let e=0;for(const t of this.viewer.pose.views){this.viewer.view=t;const i=this.isImmersive?1:pixelDensity(),r=s.getViewport(this.viewer.view);this.gl.viewport(r.x,r.y,r.width*i,r.height*i),this.updateViewport(r),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,r=t.draw,n=t.calculate;if(this.isVR){if(0===e){"function"==typeof n&&n();const e=window.performance.now();p5.instance.deltaTime=e-p5.instance._lastFrameTime,p5.instance._frameRate=1e3/p5.instance.deltaTime,p5.instance._setProperty("deltaTime",p5.instance.deltaTime),p5.instance._lastFrameTime=e,t._setProperty("frameCount",t.frameCount+1)}}else scale(.01);if(p5.instance._renderer.isP3D){if("function"==typeof r){void 0===i&&t.scale(t._pixelDensity,t._pixelDensity),this.updateXR(),p5.instance._inUserDraw=!0;try{r()}finally{p5.instance._inUserDraw=!1}}}else console.error("Sketch does not have 3D Renderer")}getXRInput(e){let t;return this.xrSession.inputSources.forEach((i=>{i.handedness===e&&(t=new p5xrInput(i,this.frame,this.xrRefSpace))})),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}};var jr,Yr=(jr=zr)&&jr.__esModule?jr:{default:jr};class Zr extends Yr.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.createButton(),navigator.xr&&this.sessionCheck()}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(),p5.instance._millisStart=window.performance.now()),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.isImmersive?this.gl.makeXRCompatible().then((()=>{this.setupBaseLayer(),this.setupReferenceSpace()})).catch((e=>{console.log(e)})):(this.setupBaseLayer(),this.setupReferenceSpace(),this.xrSession.updateRenderState({inlineVerticalFieldOfView:Math.PI/180*70}),this.addInlineViewListeners(this.canvas)),this.xrSession.requestAnimationFrame(this.onXRFrame.bind(this))}setupBaseLayer(){this.baseLayer=new XRWebGLLayer(this.xrSession,this.gl),this.xrSession.updateRenderState({baseLayer:this.baseLayer})}setupReferenceSpace(){const e=this.isImmersive?"local":"viewer";this.xrSession.requestReferenceSpace(e).then((e=>{this.xrRefSpace=e}))}clearVR(){null!==this.curClearColor&&(p5.instance.background(this.curClearColor),this.gl.clear(this.gl.DEPTH_BUFFER_BIT))}getAdjustedRefSpace(e){const t=$t.create();$t.rotateX(t,t,-this.lookPitch),$t.rotateY(t,t,-this.lookYaw);const i=new XRRigidTransform({x:0,y:0,z:0},{x:t[0],y:t[1],z:t[2],w:t[3]});return e.getOffsetReferenceSpace(i)}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)}))}}pt.default=Zr;var $r=on(pt),Kr={};Object.defineProperty(Kr,"__esModule",{value:!0});var Jr=rn(zr),en={};Object.defineProperty(en,"__esModule",{value:!0});en.default=class{constructor(e,t,i){this.position={x:100*e,y:100*t,z:100*i}}dispose(){}isTracking(){}isStopped(){}transform(){translate(this.position.x,this.position.y,this.position.z)}};var tn=rn(en);function rn(e){return e&&e.__esModule?e:{default:e}}class nn extends Jr.default{constructor(){super(),this.canvas=null}initAR(){this.createButton(),navigator.xr&&this.sessionCheck()}startSketch(e){this.xrSession=this.xrButton.session=e,this.xrSession.addEventListener("end",this.onSessionEnded),"function"==typeof touchStarted&&this.xrSession.addEventListener("select",touchStarted),this.canvas=p5.instance.canvas,p5.instance._renderer._curCamera.cameraType="custom",this.onRequestSession(),p5.instance._decrementPreload()}onSelect(e){const t=window.mousePressed;"function"==typeof t&&t()}detectHit(e){if(null==e)return console.warn("You must pass the touchStarted event to detectHit."),null;if(!this.xrSession)return null;e.clientY,window.innerHeight,e.clientX,window.innerWidth;if(this.xrHitTestSource&&this.viewer.pose&&this.frame){const e=this.frame.getHitTestResults(this.xrHitTestSource);if(e.length>0){const t=e[0].getPose(this.xrRefSpace);return createVector(t.transform.position.x,t.transform.position.y,t.transform.position.z)}}}createAnchor(e){return null==e?null:new tn.default(e.x,e.y,e.z)}onXRButtonClicked(e){window.injectedPolyfill?console.log("ARCORE mode is not supported with a polyfill. Try using a more recent browser version"):(navigator.getUserMedia=navigator.getUserMedia||navigator.webkitGetUserMedia||navigator.mozGetUserMedia||navigator.msGetUserMedia,navigator.xr.requestSession("immersive-ar",{requiredFeatures:["local","hit-test"]}).then((e=>{this.startSketch(e)}),(e=>{console.log(`${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))}))}}Kr.default=nn;var sn=on(Kr),an=function(e){return e&&e.__esModule?e:{default:e}}(Qr);function on(e){return e&&e.__esModule?e:{default:e}}an.default.prototype.getRayFromScreen=function(e,t){const i={origin:new p5.Vector(0,0,0),direction:new p5.Vector};let r=this.poseMatrix.copy();r.transpose(r),r=r.mat4,i.origin.x=r[3],i.origin.y=r[7],i.origin.z=r[11];let n=this.initialMVMatrix.copy();n.transpose(n),n=n.mat4;const s=i.origin.copy();i.origin.x=n[0]*s.x+n[1]*s.y+n[2]*s.z+n[3],i.origin.y=n[4]*s.x+n[5]*s.y+n[6]*s.z+n[7],i.origin.z=n[8]*s.x+n[9]*s.y+n[10]*s.z+n[11];const a=new p5.Vector(e,t,-1);let o=new p5.Matrix;o.invert(this.leftPMatrix.copy()),o.transpose(o),o=o.mat4;const l=a.copy();a.x=o[0]*l.x+o[1]*l.y+o[2]*l.z,a.y=o[4]*l.x+o[5]*l.y+o[6]*l.z,a.normalize();const c=new p5.Vector(e,t,-1);let h=new p5.Matrix;h.invert(this.rightPMatrix.copy()),h.transpose(h),h=h.mat4;const u=c.copy();return c.x=h[0]*u.x+h[1]*u.y+h[2]*u.z,c.y=h[4]*u.x+h[5]*u.y+h[6]*u.z,c.normalize(),i.direction=p5.Vector.add(a,c).normalize(),i},p5.prototype.intersectsSphere=function(){const e=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 e=arguments[1]||0,i=arguments[2]||0;t=p5xr.instance.viewer.getRayFromScreen(e,i)}if(null===t)return!1;let i=p5.instance._renderer.uMVMatrix.copy();i.transpose(i),i=i.mat4;const r=new p5.Vector(0,0,0);if(r.x=i[3],r.y=i[7],r.z=i[11],p5.Vector.sub(t.origin,r).mag()<=e)return!0;if(p5.Vector.dot(p5.Vector.sub(r,t.origin),t.direction)<0)return!1;const n=p5.Vector.sub(t.origin,r),s=2*p5.Vector.dot(t.direction,n),a=p5.Vector.mag(n)*p5.Vector.mag(n)-e*e,o=s*s-4*a;return o>=0},p5.prototype.intersectsBox=function(){const e=arguments[0];let t,i,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]:e,i=arguments.length>3?arguments[2]:t):5===arguments.length?(r=p5xr.instance.viewer.getRayFromScreen(arguments[3],arguments[4]),t=arguments[1],i=arguments[2]):(r=p5xr.instance.viewer.getRayFromScreen(0,0),t=arguments.length>1?arguments[1]:e,i=arguments.length>2?arguments[2]:t);let n=p5.instance._renderer.uMVMatrix.copy();n.transpose(n),n.invert(n),n=n.mat4;const s=r.origin.copy();r.origin.x=n[0]*s.x+n[1]*s.y+n[2]*s.z+n[3],r.origin.y=n[4]*s.x+n[5]*s.y+n[6]*s.z+n[7],r.origin.z=n[8]*s.x+n[9]*s.y+n[10]*s.z+n[11];const a=r.direction.copy();r.direction.x=n[0]*a.x+n[1]*a.y+n[2]*a.z,r.direction.y=n[4]*a.x+n[5]*a.y+n[6]*a.z,r.direction.z=n[8]*a.x+n[9]*a.y+n[10]*a.z,r.direction.normalize();const o=new p5.Vector(-.5*e,-.5*t,-.5*i),l=new p5.Vector(.5*e,.5*t,.5*i),c=(o.x-r.origin.x)/r.direction.x,h=(l.x-r.origin.x)/r.direction.x,u=(o.y-r.origin.y)/r.direction.y,d=(l.y-r.origin.y)/r.direction.y,A=(o.z-r.origin.z)/r.direction.z,p=(l.z-r.origin.z)/r.direction.z,f=Math.max(Math.max(Math.min(c,h),Math.min(u,d)),Math.min(A,p)),m=Math.min(Math.min(Math.max(c,h),Math.max(u,d)),Math.max(A,p));return!(m<0||f>m)},p5.prototype.intersectsPlane=function(){let e={origin:null,direction:null};arguments[0].hasOwnProperty("origin")?(e.origin=arguments[0].origin.copy(),e.direction=arguments[0].direction.copy()):e=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 i=e.origin.copy();e.origin.x=t[0]*i.x+t[1]*i.y+t[2]*i.z+t[3],e.origin.y=t[4]*i.x+t[5]*i.y+t[6]*i.z+t[7],e.origin.z=t[8]*i.x+t[9]*i.y+t[10]*i.z+t[11];const r=e.direction.copy();e.direction.x=t[0]*r.x+t[1]*r.y+t[2]*r.z,e.direction.y=t[4]*r.x+t[5]*r.y+t[6]*r.z,e.direction.z=t[8]*r.x+t[9]*r.y+t[10]*r.z,e.direction.normalize();const n=new p5.Vector(0,0,1),s=new p5.Vector(0,0,0),a=p5.Vector.sub(s,e.origin),o=Math.abs(p5.Vector.dot(e.direction,n));if(0===o)return null;const l=Math.abs(p5.Vector.dot(a,n)/o),c=p5.Vector.add(e.origin,e.direction.copy().setMag(l));return createVector(c.x,c.y)},p5.prototype.generateRay=function(e,t,i,r,n,s){const a=new p5.Vector(e,t,i);let o=new p5.Vector(r,n,s);o=p5.Vector.sub(o,a),o.normalize();let l=p5.instance._renderer.uMVMatrix.copy();l.transpose(l),l=l.mat4;const c=a.copy();a.x=l[0]*c.x+l[1]*c.y+l[2]*c.z+l[3],a.y=l[4]*c.x+l[5]*c.y+l[6]*c.z+l[7],a.z=l[8]*c.x+l[9]*c.y+l[10]*c.z+l[11];const h=o.copy();return o.x=l[0]*h.x+l[1]*h.y+l[2]*h.z,o.y=l[4]*h.x+l[5]*h.y+l[6]*h.z,o.z=l[8]*h.x+l[9]*h.y+l[10]*h.z,o.normalize(),{origin:a,direction:o}},window.p5xr={instance:null},"xr"in navigator==0?(window.injectedPolyfill=!0,window.polyfill=new At.default):window.injectedPolyfill=!1,p5.prototype.createVRCanvas=function(){noLoop(),p5xr.instance=new $r.default,p5xr.instance.initVR()},p5.prototype.createARCanvas=function(){noLoop(),p5xr.instance=new sn.default,p5xr.instance.initAR()},p5.prototype.setVRBackgroundColor=function(e,t,i){p5xr.instance.curClearColor=color(e,t,i)},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)}})(); |