CindyXR.js

(function(){
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function mul4mv(f,g){return[f[0]*g[0]+f[1]*g[1]+f[2]*g[2]+f[3]*g[3],f[4]*g[0]+f[5]*g[1]+f[6]*g[2]+f[7]*g[3],f[8]*g[0]+f[9]*g[1]+f[10]*g[2]+f[11]*g[3],f[12]*g[0]+f[13]*g[1]+f[14]*g[2]+f[15]*g[3]]}function transform4to3(f,g){let G=1/(f[12]*g[0]+f[13]*g[1]+f[14]*g[2]+f[15]*g[3]);return[(f[0]*g[0]+f[1]*g[1]+f[2]*g[2]+f[3]*g[3])*G,(f[4]*g[0]+f[5]*g[1]+f[6]*g[2]+f[7]*g[3])*G,(f[8]*g[0]+f[9]*g[1]+f[10]*g[2]+f[11]*g[3])*G]}
function triangleNormal(f,g,G){f=dehom3(f);g=sub3(dehom3(g),f);G=sub3(dehom3(G),f);return normalized3(cross3(g,G))};function GlError(f){this.message=f}GlError.prototype.toString=function(){return this.message};
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ShaderProgram.prototype.link=function(f){let g=this.handle;f.linkProgram(g);if(!f.getProgramParameter(g,f.LINK_STATUS))throw new GlError("Error linking shader:\n"+f.getProgramInfoLog(g));f.validateProgram(g);if(!f.getProgramParameter(g,f.VALIDATE_STATUS))throw new GlError("Error validating shader:\n"+f.getProgramInfoLog(g));};ShaderProgram.prototype.dispose=function(f){f.detachShader(this.handle,this.vs);f.deleteShader(this.vs);f.detachShader(this.handle,this.fs);f.deleteShader(this.fs);f.deleteProgram(this.handle)};
ShaderProgram.prototype.detectUniforms=function(f){this.uniform=this.detectImpl(f,!0)};ShaderProgram.prototype.detectAttributes=function(f){this.attrib=this.detectImpl(f,!1)};
ShaderProgram.prototype.detectImpl=function(f,g){let G,K,N=this.handle,F,h;var q;let a={},k;let v;K=g?f.getProgramParameter(N,f.ACTIVE_UNIFORMS):f.getProgramParameter(N,f.ACTIVE_ATTRIBUTES);for(G=0;G<K;++G)if(F=g?f.getActiveUniform(N,G):f.getActiveAttrib(N,G),null!==F&&(h=F.name.replace(/\]/g,""))){for(k=a;null!==(q=/[.\[]/.exec(h));){var x=h.substr(0,q.index);k=k.hasOwnProperty(x)?k[x]:"."===q[0]?k[x]={}:k[x]=[];h=h.substr(q.index+1)}if(1<F.size){q=F.size;v=Array(q);for(x=0;x<q;++x){var b=F.name+
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ShaderProgram.prototype.uniformSetter=function(f,g,G){let K;K=f.getUniformLocation(this.handle,g);switch(G.type){case f.FLOAT:return f.uniform1fv.bind(f,K);case f.FLOAT_VEC2:return f.uniform2fv.bind(f,K);case f.FLOAT_VEC3:return f.uniform3fv.bind(f,K);case f.FLOAT_VEC4:return f.uniform4fv.bind(f,K);case f.BOOL:case f.INT:case f.SAMPLER_2D:case f.SAMPLER_CUBE:return f.uniform1iv.bind(f,K);case f.BOOL_VEC2:case f.INT_VEC2:return f.uniform2iv.bind(f,K);case f.BOOL_VEC3:case f.INT_VEC3:return f.uniform3iv.bind(f,
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ShaderProgram.prototype.attribFactory=function(f,g,G){let K;K=f.getAttribLocation(this.handle,g);switch(G.type){case f.FLOAT:return new VertexAttribute(f,K,f.vertexAttrib1fv.bind(f,K));case f.FLOAT_VEC2:return new VertexAttribute(f,K,f.vertexAttrib2fv.bind(f,K));case f.FLOAT_VEC3:return new VertexAttribute(f,K,f.vertexAttrib3fv.bind(f,K));case f.FLOAT_VEC4:return new VertexAttribute(f,K,f.vertexAttrib4fv.bind(f,K));default:throw new GlError("Unknown data type for vertex attribute "+g);}};
function VertexAttribute(f,g,G){this.gl=f;this.location=g;this.set=G};/*
 @fileoverview gl-matrix - High performance matrix and vector operations
@author Brandon Jones
@author Colin MacKenzie IV
@version 2.7.0

Copyright (c) 2015-2018, Brandon Jones, Colin MacKenzie IV.

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.

*/
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g.mul=void 0;g.create=function(){var a=new q.ARRAY_TYPE(16);q.ARRAY_TYPE!=Float32Array&&(a[1]=0,a[2]=0,a[3]=0,a[4]=0,a[6]=0,a[7]=0,a[8]=0,a[9]=0,a[11]=0,a[12]=0,a[13]=0,a[14]=0);return a[0]=1,a[5]=1,a[10]=1,a[15]=1,a};g.clone=function(a){var k=new q.ARRAY_TYPE(16);return k[0]=a[0],k[1]=a[1],k[2]=a[2],k[3]=a[3],k[4]=a[4],k[5]=a[5],k[6]=a[6],k[7]=a[7],k[8]=a[8],k[9]=a[9],k[10]=a[10],k[11]=a[11],k[12]=a[12],k[13]=a[13],k[14]=a[14],k[15]=a[15],k};g.copy=function(a,k){return a[0]=k[0],a[1]=k[1],a[2]=k[2],
a[3]=k[3],a[4]=k[4],a[5]=k[5],a[6]=k[6],a[7]=k[7],a[8]=k[8],a[9]=k[9],a[10]=k[10],a[11]=k[11],a[12]=k[12],a[13]=k[13],a[14]=k[14],a[15]=k[15],a};g.fromValues=function(a,k,v,x,b,c,m,l,n,t,w,z,C,I,O,R){var P=new q.ARRAY_TYPE(16);return P[0]=a,P[1]=k,P[2]=v,P[3]=x,P[4]=b,P[5]=c,P[6]=m,P[7]=l,P[8]=n,P[9]=t,P[10]=w,P[11]=z,P[12]=C,P[13]=I,P[14]=O,P[15]=R,P};g.set=function(a,k,v,x,b,c,m,l,n,t,w,z,C,I,O,R,P){return a[0]=k,a[1]=v,a[2]=x,a[3]=b,a[4]=c,a[5]=m,a[6]=l,a[7]=n,a[8]=t,a[9]=w,a[10]=z,a[11]=C,a[12]=
I,a[13]=O,a[14]=R,a[15]=P,a};g.identity=K;g.transpose=function(a,k){if(a===k){var v=k[1],x=k[2],b=k[3],c=k[6],m=k[7],l=k[11];a[1]=k[4];a[2]=k[8];a[3]=k[12];a[4]=v;a[6]=k[9];a[7]=k[13];a[8]=x;a[9]=c;a[11]=k[14];a[12]=b;a[13]=m;a[14]=l}else a[0]=k[0],a[1]=k[4],a[2]=k[8],a[3]=k[12],a[4]=k[1],a[5]=k[5],a[6]=k[9],a[7]=k[13],a[8]=k[2],a[9]=k[6],a[10]=k[10],a[11]=k[14],a[12]=k[3],a[13]=k[7],a[14]=k[11],a[15]=k[15];return a};g.invert=function(a,k){var v=k[0],x=k[1],b=k[2],c=k[3],m=k[4],l=k[5],n=k[6],t=k[7],
w=k[8],z=k[9],C=k[10],I=k[11],O=k[12],R=k[13],P=k[14];k=k[15];var X=v*l-x*m,W=v*n-b*m,aa=v*t-c*m,Y=x*n-b*l,ia=x*t-c*l,Ca=b*t-c*n,za=w*R-z*O,ea=w*P-C*O,Ha=w*k-I*O,ja=z*P-C*R,La=z*k-I*R,Ia=C*k-I*P,qa=X*Ia-W*La+aa*ja+Y*Ha-ia*ea+Ca*za;return qa?(qa=1/qa,a[0]=(l*Ia-n*La+t*ja)*qa,a[1]=(b*La-x*Ia-c*ja)*qa,a[2]=(R*Ca-P*ia+k*Y)*qa,a[3]=(C*ia-z*Ca-I*Y)*qa,a[4]=(n*Ha-m*Ia-t*ea)*qa,a[5]=(v*Ia-b*Ha+c*ea)*qa,a[6]=(P*aa-O*Ca-k*W)*qa,a[7]=(w*Ca-C*aa+I*W)*qa,a[8]=(m*La-l*Ha+t*za)*qa,a[9]=(x*Ha-v*La-c*za)*qa,a[10]=
(O*ia-R*aa+k*X)*qa,a[11]=(z*aa-w*ia-I*X)*qa,a[12]=(l*ea-m*ja-n*za)*qa,a[13]=(v*ja-x*ea+b*za)*qa,a[14]=(R*W-O*Y-P*X)*qa,a[15]=(w*Y-z*W+C*X)*qa,a):null};g.adjoint=function(a,k){var v=k[0],x=k[1],b=k[2],c=k[3],m=k[4],l=k[5],n=k[6],t=k[7],w=k[8],z=k[9],C=k[10],I=k[11],O=k[12],R=k[13],P=k[14];k=k[15];return a[0]=l*(C*k-I*P)-z*(n*k-t*P)+R*(n*I-t*C),a[1]=-(x*(C*k-I*P)-z*(b*k-c*P)+R*(b*I-c*C)),a[2]=x*(n*k-t*P)-l*(b*k-c*P)+R*(b*t-c*n),a[3]=-(x*(n*I-t*C)-l*(b*I-c*C)+z*(b*t-c*n)),a[4]=-(m*(C*k-I*P)-w*(n*k-t*
P)+O*(n*I-t*C)),a[5]=v*(C*k-I*P)-w*(b*k-c*P)+O*(b*I-c*C),a[6]=-(v*(n*k-t*P)-m*(b*k-c*P)+O*(b*t-c*n)),a[7]=v*(n*I-t*C)-m*(b*I-c*C)+w*(b*t-c*n),a[8]=m*(z*k-I*R)-w*(l*k-t*R)+O*(l*I-t*z),a[9]=-(v*(z*k-I*R)-w*(x*k-c*R)+O*(x*I-c*z)),a[10]=v*(l*k-t*R)-m*(x*k-c*R)+O*(x*t-c*l),a[11]=-(v*(l*I-t*z)-m*(x*I-c*z)+w*(x*t-c*l)),a[12]=-(m*(z*P-C*R)-w*(l*P-n*R)+O*(l*C-n*z)),a[13]=v*(z*P-C*R)-w*(x*P-b*R)+O*(x*C-b*z),a[14]=-(v*(l*P-n*R)-m*(x*P-b*R)+O*(x*n-b*l)),a[15]=v*(l*C-n*z)-m*(x*C-b*z)+w*(x*n-b*l),a};g.determinant=
function(a){var k=a[0],v=a[1],x=a[2],b=a[3],c=a[4],m=a[5],l=a[6],n=a[7],t=a[8],w=a[9],z=a[10],C=a[11],I=a[12],O=a[13],R=a[14];a=a[15];return(k*m-v*c)*(z*a-C*R)-(k*l-x*c)*(w*a-C*O)+(k*n-b*c)*(w*R-z*O)+(v*l-x*m)*(t*a-C*I)-(v*n-b*m)*(t*R-z*I)+(x*n-b*l)*(t*O-w*I)};g.multiply=N;g.translate=function(a,k,v){var x=v[0],b=v[1];v=v[2];var c=void 0,m=void 0,l=void 0,n=void 0,t=void 0,w=void 0,z=void 0,C=void 0,I=void 0,O=void 0,R=void 0,P=void 0;k===a?(a[12]=k[0]*x+k[4]*b+k[8]*v+k[12],a[13]=k[1]*x+k[5]*b+k[9]*
v+k[13],a[14]=k[2]*x+k[6]*b+k[10]*v+k[14],a[15]=k[3]*x+k[7]*b+k[11]*v+k[15]):(c=k[0],m=k[1],l=k[2],n=k[3],t=k[4],w=k[5],z=k[6],C=k[7],I=k[8],O=k[9],R=k[10],P=k[11],a[0]=c,a[1]=m,a[2]=l,a[3]=n,a[4]=t,a[5]=w,a[6]=z,a[7]=C,a[8]=I,a[9]=O,a[10]=R,a[11]=P,a[12]=c*x+t*b+I*v+k[12],a[13]=m*x+w*b+O*v+k[13],a[14]=l*x+z*b+R*v+k[14],a[15]=n*x+C*b+P*v+k[15]);return a};g.scale=function(a,k,v){var x=v[0],b=v[1];v=v[2];return a[0]=k[0]*x,a[1]=k[1]*x,a[2]=k[2]*x,a[3]=k[3]*x,a[4]=k[4]*b,a[5]=k[5]*b,a[6]=k[6]*b,a[7]=
k[7]*b,a[8]=k[8]*v,a[9]=k[9]*v,a[10]=k[10]*v,a[11]=k[11]*v,a[12]=k[12],a[13]=k[13],a[14]=k[14],a[15]=k[15],a};g.rotate=function(a,k,v,x){var b=x[0],c=x[1];x=x[2];var m=Math.sqrt(b*b+c*c+x*x);if(m<q.EPSILON)return null;b*=m=1/m;c*=m;x*=m;var l=Math.sin(v);var n=Math.cos(v);var t=1-n;v=k[0];m=k[1];var w=k[2];var z=k[3];var C=k[4];var I=k[5];var O=k[6];var R=k[7];var P=k[8];var X=k[9];var W=k[10];var aa=k[11];var Y=b*b*t+n;var ia=c*b*t+x*l;var Ca=x*b*t-c*l;var za=b*c*t-x*l;var ea=c*c*t+n;var Ha=x*c*
t+b*l;var ja=b*x*t+c*l;b=c*x*t-b*l;c=x*x*t+n;a[0]=v*Y+C*ia+P*Ca;a[1]=m*Y+I*ia+X*Ca;a[2]=w*Y+O*ia+W*Ca;a[3]=z*Y+R*ia+aa*Ca;a[4]=v*za+C*ea+P*Ha;a[5]=m*za+I*ea+X*Ha;a[6]=w*za+O*ea+W*Ha;a[7]=z*za+R*ea+aa*Ha;a[8]=v*ja+C*b+P*c;a[9]=m*ja+I*b+X*c;a[10]=w*ja+O*b+W*c;a[11]=z*ja+R*b+aa*c;k!==a&&(a[12]=k[12],a[13]=k[13],a[14]=k[14],a[15]=k[15]);return a};g.rotateX=function(a,k,v){var x=Math.sin(v);v=Math.cos(v);var b=k[4],c=k[5],m=k[6],l=k[7],n=k[8],t=k[9],w=k[10],z=k[11];k!==a&&(a[0]=k[0],a[1]=k[1],a[2]=k[2],
a[3]=k[3],a[12]=k[12],a[13]=k[13],a[14]=k[14],a[15]=k[15]);return a[4]=b*v+n*x,a[5]=c*v+t*x,a[6]=m*v+w*x,a[7]=l*v+z*x,a[8]=n*v-b*x,a[9]=t*v-c*x,a[10]=w*v-m*x,a[11]=z*v-l*x,a};g.rotateY=function(a,k,v){var x=Math.sin(v);v=Math.cos(v);var b=k[0],c=k[1],m=k[2],l=k[3],n=k[8],t=k[9],w=k[10],z=k[11];k!==a&&(a[4]=k[4],a[5]=k[5],a[6]=k[6],a[7]=k[7],a[12]=k[12],a[13]=k[13],a[14]=k[14],a[15]=k[15]);return a[0]=b*v-n*x,a[1]=c*v-t*x,a[2]=m*v-w*x,a[3]=l*v-z*x,a[8]=b*x+n*v,a[9]=c*x+t*v,a[10]=m*x+w*v,a[11]=l*x+
z*v,a};g.rotateZ=function(a,k,v){var x=Math.sin(v);v=Math.cos(v);var b=k[0],c=k[1],m=k[2],l=k[3],n=k[4],t=k[5],w=k[6],z=k[7];k!==a&&(a[8]=k[8],a[9]=k[9],a[10]=k[10],a[11]=k[11],a[12]=k[12],a[13]=k[13],a[14]=k[14],a[15]=k[15]);return a[0]=b*v+n*x,a[1]=c*v+t*x,a[2]=m*v+w*x,a[3]=l*v+z*x,a[4]=n*v-b*x,a[5]=t*v-c*x,a[6]=w*v-m*x,a[7]=z*v-l*x,a};g.fromTranslation=function(a,k){return a[0]=1,a[1]=0,a[2]=0,a[3]=0,a[4]=0,a[5]=1,a[6]=0,a[7]=0,a[8]=0,a[9]=0,a[10]=1,a[11]=0,a[12]=k[0],a[13]=k[1],a[14]=k[2],a[15]=
1,a};g.fromScaling=function(a,k){return a[0]=k[0],a[1]=0,a[2]=0,a[3]=0,a[4]=0,a[5]=k[1],a[6]=0,a[7]=0,a[8]=0,a[9]=0,a[10]=k[2],a[11]=0,a[12]=0,a[13]=0,a[14]=0,a[15]=1,a};g.fromRotation=function(a,k,v){var x=v[0],b=v[1];v=v[2];var c=Math.sqrt(x*x+b*b+v*v),m=void 0,l=void 0,n=void 0;return c<q.EPSILON?null:(x*=c=1/c,b*=c,v*=c,m=Math.sin(k),l=Math.cos(k),n=1-l,a[0]=x*x*n+l,a[1]=b*x*n+v*m,a[2]=v*x*n-b*m,a[3]=0,a[4]=x*b*n-v*m,a[5]=b*b*n+l,a[6]=v*b*n+x*m,a[7]=0,a[8]=x*v*n+b*m,a[9]=b*v*n-x*m,a[10]=v*v*n+
l,a[11]=0,a[12]=0,a[13]=0,a[14]=0,a[15]=1,a)};g.fromXRotation=function(a,k){var v=Math.sin(k);k=Math.cos(k);return a[0]=1,a[1]=0,a[2]=0,a[3]=0,a[4]=0,a[5]=k,a[6]=v,a[7]=0,a[8]=0,a[9]=-v,a[10]=k,a[11]=0,a[12]=0,a[13]=0,a[14]=0,a[15]=1,a};g.fromYRotation=function(a,k){var v=Math.sin(k);k=Math.cos(k);return a[0]=k,a[1]=0,a[2]=-v,a[3]=0,a[4]=0,a[5]=1,a[6]=0,a[7]=0,a[8]=v,a[9]=0,a[10]=k,a[11]=0,a[12]=0,a[13]=0,a[14]=0,a[15]=1,a};g.fromZRotation=function(a,k){var v=Math.sin(k);k=Math.cos(k);return a[0]=
k,a[1]=v,a[2]=0,a[3]=0,a[4]=-v,a[5]=k,a[6]=0,a[7]=0,a[8]=0,a[9]=0,a[10]=1,a[11]=0,a[12]=0,a[13]=0,a[14]=0,a[15]=1,a};g.fromRotationTranslation=F;g.fromQuat2=function(a,k){var v=new q.ARRAY_TYPE(3),x=-k[0],b=-k[1],c=-k[2],m=k[3],l=k[4],n=k[5],t=k[6],w=k[7],z=x*x+b*b+c*c+m*m;0<z?(v[0]=2*(l*m+w*x+n*c-t*b)/z,v[1]=2*(n*m+w*b+t*x-l*c)/z,v[2]=2*(t*m+w*c+l*b-n*x)/z):(v[0]=2*(l*m+w*x+n*c-t*b),v[1]=2*(n*m+w*b+t*x-l*c),v[2]=2*(t*m+w*c+l*b-n*x));return F(a,k,v),a};g.getTranslation=function(a,k){return a[0]=k[12],
a[1]=k[13],a[2]=k[14],a};g.getScaling=function(a,k){var v=k[0],x=k[1],b=k[2],c=k[4],m=k[5],l=k[6],n=k[8],t=k[9];k=k[10];return a[0]=Math.sqrt(v*v+x*x+b*b),a[1]=Math.sqrt(c*c+m*m+l*l),a[2]=Math.sqrt(n*n+t*t+k*k),a};g.getRotation=function(a,k){var v=k[0]+k[5]+k[10],x=0;0<v?(x=2*Math.sqrt(v+1),a[3]=.25*x,a[0]=(k[6]-k[9])/x,a[1]=(k[8]-k[2])/x,a[2]=(k[1]-k[4])/x):k[0]>k[5]&&k[0]>k[10]?(x=2*Math.sqrt(1+k[0]-k[5]-k[10]),a[3]=(k[6]-k[9])/x,a[0]=.25*x,a[1]=(k[1]+k[4])/x,a[2]=(k[8]+k[2])/x):k[5]>k[10]?(x=2*
Math.sqrt(1+k[5]-k[0]-k[10]),a[3]=(k[8]-k[2])/x,a[0]=(k[1]+k[4])/x,a[1]=.25*x,a[2]=(k[6]+k[9])/x):(x=2*Math.sqrt(1+k[10]-k[0]-k[5]),a[3]=(k[1]-k[4])/x,a[0]=(k[8]+k[2])/x,a[1]=(k[6]+k[9])/x,a[2]=.25*x);return a};g.fromRotationTranslationScale=function(a,k,v,x){var b=k[0],c=k[1],m=k[2],l=k[3],n=b+b,t=c+c,w=m+m;k=b*n;var z=b*t;b*=w;var C=c*t;c*=w;m*=w;n*=l;t*=l;l*=w;w=x[0];var I=x[1];x=x[2];return a[0]=(1-(C+m))*w,a[1]=(z+l)*w,a[2]=(b-t)*w,a[3]=0,a[4]=(z-l)*I,a[5]=(1-(k+m))*I,a[6]=(c+n)*I,a[7]=0,a[8]=
(b+t)*x,a[9]=(c-n)*x,a[10]=(1-(k+C))*x,a[11]=0,a[12]=v[0],a[13]=v[1],a[14]=v[2],a[15]=1,a};g.fromRotationTranslationScaleOrigin=function(a,k,v,x,b){var c=k[0],m=k[1],l=k[2],n=k[3],t=c+c,w=m+m,z=l+l;k=c*t;var C=c*w,I=c*z;c=m*w;m*=z;var O=l*z;l=n*t;w*=n;var R=n*z,P=x[0],X=x[1];z=x[2];x=b[0];n=b[1];b=b[2];t=(1-(c+O))*P;var W=(C+R)*P;P*=I-w;C=(C-R)*X;O=(1-(k+O))*X;X*=m+l;I=(I+w)*z;m=(m-l)*z;k=(1-(k+c))*z;return a[0]=t,a[1]=W,a[2]=P,a[3]=0,a[4]=C,a[5]=O,a[6]=X,a[7]=0,a[8]=I,a[9]=m,a[10]=k,a[11]=0,a[12]=
v[0]+x-(t*x+C*n+I*b),a[13]=v[1]+n-(W*x+O*n+m*b),a[14]=v[2]+b-(P*x+X*n+k*b),a[15]=1,a};g.fromQuat=function(a,k){var v=k[0],x=k[1],b=k[2];k=k[3];var c=v+v,m=x+x,l=b+b;v*=c;var n=x*c;x*=m;var t=b*c,w=b*m;b*=l;c*=k;m*=k;k*=l;return a[0]=1-x-b,a[1]=n+k,a[2]=t-m,a[3]=0,a[4]=n-k,a[5]=1-v-b,a[6]=w+c,a[7]=0,a[8]=t+m,a[9]=w-c,a[10]=1-v-x,a[11]=0,a[12]=0,a[13]=0,a[14]=0,a[15]=1,a};g.frustum=function(a,k,v,x,b,c,m){var l=1/(v-k),n=1/(b-x),t=1/(c-m);return a[0]=2*c*l,a[1]=0,a[2]=0,a[3]=0,a[4]=0,a[5]=2*c*n,a[6]=
0,a[7]=0,a[8]=(v+k)*l,a[9]=(b+x)*n,a[10]=(m+c)*t,a[11]=-1,a[12]=0,a[13]=0,a[14]=m*c*2*t,a[15]=0,a};g.perspective=function(a,k,v,x,b){k=1/Math.tan(k/2);var c=void 0;a[0]=k/v;a[1]=0;a[2]=0;a[3]=0;a[4]=0;a[5]=k;a[6]=0;a[7]=0;a[8]=0;a[9]=0;a[11]=-1;a[12]=0;a[13]=0;a[15]=0;null!=b&&b!==1/0?(c=1/(x-b),a[10]=(b+x)*c,a[14]=2*b*x*c):(a[10]=-1,a[14]=-2*x);return a};g.perspectiveFromFieldOfView=function(a,k,v,x){var b=Math.tan(k.upDegrees*Math.PI/180),c=Math.tan(k.downDegrees*Math.PI/180),m=Math.tan(k.leftDegrees*
Math.PI/180);k=Math.tan(k.rightDegrees*Math.PI/180);var l=2/(m+k),n=2/(b+c);return a[0]=l,a[1]=0,a[2]=0,a[3]=0,a[4]=0,a[5]=n,a[6]=0,a[7]=0,a[8]=-(m-k)*l*.5,a[9]=(b-c)*n*.5,a[10]=x/(v-x),a[11]=-1,a[12]=0,a[13]=0,a[14]=x*v/(v-x),a[15]=0,a};g.ortho=function(a,k,v,x,b,c,m){var l=1/(k-v),n=1/(x-b),t=1/(c-m);return a[0]=-2*l,a[1]=0,a[2]=0,a[3]=0,a[4]=0,a[5]=-2*n,a[6]=0,a[7]=0,a[8]=0,a[9]=0,a[10]=2*t,a[11]=0,a[12]=(k+v)*l,a[13]=(b+x)*n,a[14]=(m+c)*t,a[15]=1,a};g.lookAt=function(a,k,v,x){var b=k[0],c=k[1];
k=k[2];var m=x[0];var l=x[1];var n=x[2];var t=v[0];x=v[1];var w=v[2];if(Math.abs(b-t)<q.EPSILON&&Math.abs(c-x)<q.EPSILON&&Math.abs(k-w)<q.EPSILON)return K(a);v=b-t;x=c-x;t=k-w;var z=1/Math.sqrt(v*v+x*x+t*t);w=l*(t*=z)-n*(x*=z);n=n*(v*=z)-m*t;m=m*x-l*v;(z=Math.sqrt(w*w+n*n+m*m))?(w*=z=1/z,n*=z,m*=z):(w=0,n=0,m=0);l=x*m-t*n;var C=t*w-v*m;var I=v*n-x*w;(z=Math.sqrt(l*l+C*C+I*I))?(l*=z=1/z,C*=z,I*=z):(l=0,C=0,I=0);return a[0]=w,a[1]=l,a[2]=v,a[3]=0,a[4]=n,a[5]=C,a[6]=x,a[7]=0,a[8]=m,a[9]=I,a[10]=t,a[11]=
0,a[12]=-(w*b+n*c+m*k),a[13]=-(l*b+C*c+I*k),a[14]=-(v*b+x*c+t*k),a[15]=1,a};g.targetTo=function(a,k,v,x){var b=k[0],c=k[1];k=k[2];var m=x[0],l=x[1],n=x[2];x=b-v[0];var t=c-v[1];v=k-v[2];var w=x*x+t*t+v*v;0<w&&(w=1/Math.sqrt(w),x*=w,t*=w,v*=w);var z=l*v-n*t;n=n*x-m*v;m=m*t-l*x;0<(w=z*z+n*n+m*m)&&(w=1/Math.sqrt(w),z*=w,n*=w,m*=w);return a[0]=z,a[1]=n,a[2]=m,a[3]=0,a[4]=t*m-v*n,a[5]=v*z-x*m,a[6]=x*n-t*z,a[7]=0,a[8]=x,a[9]=t,a[10]=v,a[11]=0,a[12]=b,a[13]=c,a[14]=k,a[15]=1,a};g.str=function(a){return"mat4("+
a[0]+", "+a[1]+", "+a[2]+", "+a[3]+", "+a[4]+", "+a[5]+", "+a[6]+", "+a[7]+", "+a[8]+", "+a[9]+", "+a[10]+", "+a[11]+", "+a[12]+", "+a[13]+", "+a[14]+", "+a[15]+")"};g.frob=function(a){return Math.sqrt(Math.pow(a[0],2)+Math.pow(a[1],2)+Math.pow(a[2],2)+Math.pow(a[3],2)+Math.pow(a[4],2)+Math.pow(a[5],2)+Math.pow(a[6],2)+Math.pow(a[7],2)+Math.pow(a[8],2)+Math.pow(a[9],2)+Math.pow(a[10],2)+Math.pow(a[11],2)+Math.pow(a[12],2)+Math.pow(a[13],2)+Math.pow(a[14],2)+Math.pow(a[15],2))};g.add=function(a,k,
v){return a[0]=k[0]+v[0],a[1]=k[1]+v[1],a[2]=k[2]+v[2],a[3]=k[3]+v[3],a[4]=k[4]+v[4],a[5]=k[5]+v[5],a[6]=k[6]+v[6],a[7]=k[7]+v[7],a[8]=k[8]+v[8],a[9]=k[9]+v[9],a[10]=k[10]+v[10],a[11]=k[11]+v[11],a[12]=k[12]+v[12],a[13]=k[13]+v[13],a[14]=k[14]+v[14],a[15]=k[15]+v[15],a};g.subtract=h;g.multiplyScalar=function(a,k,v){return a[0]=k[0]*v,a[1]=k[1]*v,a[2]=k[2]*v,a[3]=k[3]*v,a[4]=k[4]*v,a[5]=k[5]*v,a[6]=k[6]*v,a[7]=k[7]*v,a[8]=k[8]*v,a[9]=k[9]*v,a[10]=k[10]*v,a[11]=k[11]*v,a[12]=k[12]*v,a[13]=k[13]*v,a[14]=
k[14]*v,a[15]=k[15]*v,a};g.multiplyScalarAndAdd=function(a,k,v,x){return a[0]=k[0]+v[0]*x,a[1]=k[1]+v[1]*x,a[2]=k[2]+v[2]*x,a[3]=k[3]+v[3]*x,a[4]=k[4]+v[4]*x,a[5]=k[5]+v[5]*x,a[6]=k[6]+v[6]*x,a[7]=k[7]+v[7]*x,a[8]=k[8]+v[8]*x,a[9]=k[9]+v[9]*x,a[10]=k[10]+v[10]*x,a[11]=k[11]+v[11]*x,a[12]=k[12]+v[12]*x,a[13]=k[13]+v[13]*x,a[14]=k[14]+v[14]*x,a[15]=k[15]+v[15]*x,a};g.exactEquals=function(a,k){return a[0]===k[0]&&a[1]===k[1]&&a[2]===k[2]&&a[3]===k[3]&&a[4]===k[4]&&a[5]===k[5]&&a[6]===k[6]&&a[7]===k[7]&&
a[8]===k[8]&&a[9]===k[9]&&a[10]===k[10]&&a[11]===k[11]&&a[12]===k[12]&&a[13]===k[13]&&a[14]===k[14]&&a[15]===k[15]};g.equals=function(a,k){var v=a[0],x=a[1],b=a[2],c=a[3],m=a[4],l=a[5],n=a[6],t=a[7],w=a[8],z=a[9],C=a[10],I=a[11],O=a[12],R=a[13],P=a[14];a=a[15];var X=k[0],W=k[1],aa=k[2],Y=k[3],ia=k[4],Ca=k[5],za=k[6],ea=k[7],Ha=k[8],ja=k[9],La=k[10],Ia=k[11],qa=k[12],Xa=k[13],Ga=k[14];k=k[15];return Math.abs(v-X)<=q.EPSILON*Math.max(1,Math.abs(v),Math.abs(X))&&Math.abs(x-W)<=q.EPSILON*Math.max(1,Math.abs(x),
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v)&&(k[v]=a[v]);return k.default=a,k}(G(0));g.mul=N;g.sub=h},function(f,g,G){function K(h,q,a){var k=q[0],v=q[1],x=q[2],b=q[3],c=q[4],m=q[5],l=q[6],n=q[7];q=q[8];var t=a[0],w=a[1],z=a[2],C=a[3],I=a[4],O=a[5],R=a[6],P=a[7];a=a[8];return h[0]=t*k+w*b+z*l,h[1]=t*v+w*c+z*n,h[2]=t*x+w*m+z*q,h[3]=C*k+I*b+O*l,h[4]=C*v+I*c+O*n,h[5]=C*x+I*m+O*q,h[6]=R*k+P*b+a*l,h[7]=R*v+P*c+a*n,h[8]=R*x+P*m+a*q,h}function N(h,q,a){return h[0]=q[0]-a[0],h[1]=q[1]-a[1],h[2]=q[2]-a[2],h[3]=q[3]-a[3],h[4]=q[4]-a[4],h[5]=q[5]-
a[5],h[6]=q[6]-a[6],h[7]=q[7]-a[7],h[8]=q[8]-a[8],h}Object.defineProperty(g,"__esModule",{value:!0});g.sub=g.mul=void 0;g.create=function(){var h=new F.ARRAY_TYPE(9);F.ARRAY_TYPE!=Float32Array&&(h[1]=0,h[2]=0,h[3]=0,h[5]=0,h[6]=0,h[7]=0);return h[0]=1,h[4]=1,h[8]=1,h};g.fromMat4=function(h,q){return h[0]=q[0],h[1]=q[1],h[2]=q[2],h[3]=q[4],h[4]=q[5],h[5]=q[6],h[6]=q[8],h[7]=q[9],h[8]=q[10],h};g.clone=function(h){var q=new F.ARRAY_TYPE(9);return q[0]=h[0],q[1]=h[1],q[2]=h[2],q[3]=h[3],q[4]=h[4],q[5]=
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v,h[2]=x,h[3]=b,h[4]=c,h[5]=m,h[6]=t*k+a*b+l,h[7]=t*v+a*c+n,h[8]=t*x+a*m+q,h};g.rotate=function(h,q,a){var k=q[0],v=q[1],x=q[2],b=q[3],c=q[4],m=q[5],l=q[6],n=q[7];q=q[8];var t=Math.sin(a);a=Math.cos(a);return h[0]=a*k+t*b,h[1]=a*v+t*c,h[2]=a*x+t*m,h[3]=a*b-t*k,h[4]=a*c-t*v,h[5]=a*m-t*x,h[6]=l,h[7]=n,h[8]=q,h};g.scale=function(h,q,a){var k=a[0];a=a[1];return h[0]=k*q[0],h[1]=k*q[1],h[2]=k*q[2],h[3]=a*q[3],h[4]=a*q[4],h[5]=a*q[5],h[6]=q[6],h[7]=q[7],h[8]=q[8],h};g.fromTranslation=function(h,q){return h[0]=
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b[6]=X*w+z*t+R*n-P*l,b[7]=z*w-R*l-P*n-X*t,b};g.rotateZ=function(b,c,m){var l=-c[0],n=-c[1],t=-c[2],w=c[3],z=c[4],C=c[5],I=c[6],O=c[7],R=z*w+O*l+C*t-I*n,P=C*w+O*n+I*l-z*t,X=I*w+O*t+z*n-C*l;z=O*w-z*l-C*n-I*t;return a.rotateZ(b,c,m),l=b[0],n=b[1],t=b[2],w=b[3],b[4]=R*w+z*l+P*t-X*n,b[5]=P*w+z*n+X*l-R*t,b[6]=X*w+z*t+R*n-P*l,b[7]=z*w-R*l-P*n-X*t,b};g.rotateByQuatAppend=function(b,c,m){var l=m[0],n=m[1],t=m[2];m=m[3];var w=c[0],z=c[1],C=c[2],I=c[3];return b[0]=w*m+I*l+z*t-C*n,b[1]=z*m+I*n+C*l-w*t,b[2]=C*
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q.EPSILON*Math.max(1,Math.abs(t),Math.abs(P))&&Math.abs(w-X)<=q.EPSILON*Math.max(1,Math.abs(w),Math.abs(X))&&Math.abs(z-W)<=q.EPSILON*Math.max(1,Math.abs(z),Math.abs(W))&&Math.abs(C-aa)<=q.EPSILON*Math.max(1,Math.abs(C),Math.abs(aa))&&Math.abs(b-c)<=q.EPSILON*Math.max(1,Math.abs(b),Math.abs(c))};var q=K(G(0)),a=K(G(3)),k=K(G(4));g.getReal=a.copy;g.setReal=a.copy;g.mul=h;var v=g.dot=a.dot;f=g.length=a.length;var x=(g.len=f,g.squaredLength=a.squaredLength);g.sqrLen=x},function(f,g,G){function K(h,q,
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 nosleep.js
 Copyright (c) 2017, Rich Tibbett

 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
 in the Software without restriction, including without limitation the rights
 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 copies of the Software, and to permit persons to whom the Software is
 furnished to do so, subject to the following conditions:

 The above copyright notice and this permission notice shall be included in
 all copies or substantial portions of the Software.

 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 THE SOFTWARE.

 webxr-polyfill
 Copyright (c) 2017 Google
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
 You may obtain a copy of the License at

 http://www.apache.org/licenses/LICENSE-2.0

 Unless required by applicable law or agreed to in writing, software
 distributed under the License is distributed on an "AS IS" BASIS,
 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 See the License for the specific language governing permissions and
 limitations under the License.

 cardboard-vr-display
 Copyright (c) 2015-2017 Google
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
 You may obtain a copy of the License at

 http://www.apache.org/licenses/LICENSE-2.0

 Unless required by applicable law or agreed to in writing, software
 distributed under the License is distributed on an "AS IS" BASIS,
 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 See the License for the specific language governing permissions and
 limitations under the License.

 webvr-polyfill-dpdb 
 Copyright (c) 2017 Google
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
 You may obtain a copy of the License at

 http://www.apache.org/licenses/LICENSE-2.0

 Unless required by applicable law or agreed to in writing, software
 distributed under the License is distributed on an "AS IS" BASIS,
 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 See the License for the specific language governing permissions and
 limitations under the License.

 wglu-preserve-state
 Copyright (c) 2016, Brandon Jones.

 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
 in the Software without restriction, including without limitation the rights
 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 copies of the Software, and to permit persons to whom the Software is
 furnished to do so, subject to the following conditions:

 The above copyright notice and this permission notice shall be included in
 all copies or substantial portions of the Software.

 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 THE SOFTWARE.
*/
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const ja=Symbol("@@webxr-polyfill/XRSpace");class La{constructor(e=null,p=null){this[ja]={specialType:e,inputSource:p,baseMatrix:null,inverseBaseMatrix:null,lastFrameId:-1}}get _specialType(){return this[ja].specialType}get _inputSource(){return this[ja].inputSource}_ensurePoseUpdated(e,p){p!=this[ja].lastFrameId&&(this[ja].lastFrameId=p,this._onPoseUpdate(e))}_onPoseUpdate(e){"viewer"==this[ja].specialType&&(this._baseMatrix=e.getBasePoseMatrix())}set _baseMatrix(e){this[ja].baseMatrix=e;this[ja].inverseBaseMatrix=
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inlineSessions:new Set};e.then(p=>{this[Ga].device=p})}async isSessionSupported(e){this[Ga].device||await this[Ga].devicePromise;return"inline"!=e?Promise.resolve(this[Ga].device.isSessionSupported(e)):Promise.resolve(!0)}async requestSession(e,p){if(!this[Ga].device){if("inline"!=e)throw Error("Polyfill Error: Must call navigator.xr.isSessionSupported() with any XRSessionMode\nor navigator.xr.requestSession('inline') prior to requesting an immersive\nsession. This is a limitation specific to the WebXR Polyfill and does not apply\nto native implementations of the API.");
await this[Ga].devicePromise}if(!sc.includes(e))throw new TypeError(`The provided value '${e}' is not a valid enum value of type XRSessionMode`);var y=tc[e],B=y.requiredFeatures.concat(p&&p.requiredFeatures?p.requiredFeatures:[]);p=y.optionalFeatures.concat(p&&p.optionalFeatures?p.optionalFeatures:[]);y=new Set;let H=!1;for(let T of B)this[Ga].device.isFeatureSupported(T)?y.add(T):(console.error(`The required feature '${T}' is not supported`),H=!0);if(H)throw new DOMException("Session does not support some required features",
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Date.now();yb=()=>Date.now()-e}else yb=()=>performance.now();var Qb=yb;const zb=Symbol("@@webxr-polyfill/XRPose");class Rb{constructor(e,p){this[zb]={transform:e,emulatedPosition:p}}get transform(){return this[zb].transform}get emulatedPosition(){return this[zb].emulatedPosition}}const Sb=Symbol("@@webxr-polyfill/XRViewerPose");class Tb extends Rb{constructor(e,p,y=!1){super(e,y);this[Sb]={views:p}}get views(){return this[Sb].views}}const eb=Symbol("@@webxr-polyfill/XRViewport");class Ub{constructor(e){this[eb]=
{target:e}}get x(){return this[eb].target.x}get y(){return this[eb].target.y}get width(){return this[eb].target.width}get height(){return this[eb].target.height}}const Vb=["left","right","none"],Va=Symbol("@@webxr-polyfill/XRView");class Wb{constructor(e,p,y,B){if(!Vb.includes(y))throw Error(`XREye must be one of: ${Vb}`);const H=Object.create(null),L=new Ub(H);this[Va]={device:e,eye:y,viewport:L,temp:H,sessionId:B,transform:p}}get eye(){return this[Va].eye}get projectionMatrix(){return this[Va].device.getProjectionMatrix(this.eye)}get transform(){return this[Va].transform}_getViewport(e){if(this[Va].device.getViewport(this[Va].sessionId,
this.eye,e,this[Va].temp))return this[Va].viewport}}const Ea=Symbol("@@webxr-polyfill/XRFrame");let vc=0;class Ab{constructor(e,p,y){this[Ea]={id:++vc,active:!1,animationFrame:!1,device:e,session:p,sessionId:y}}get session(){return this[Ea].session}getViewerPose(e){if(!this[Ea].animationFrame)throw new DOMException("getViewerPose can only be called on XRFrame objects passed to XRSession.requestAnimationFrame callbacks.","InvalidStateError");if(!this[Ea].active)throw new DOMException("XRFrame access outside the callback that produced it is invalid.",
"InvalidStateError");const p=this[Ea].device;var y=this[Ea].session;y[Q].viewerSpace._ensurePoseUpdated(p,this[Ea].id);e._ensurePoseUpdated(p,this[Ea].id);let B=e._getSpaceRelativeTransform(y[Q].viewerSpace);const H=[];for(let L of y[Q].viewSpaces)L._ensurePoseUpdated(p,this[Ea].id),y=e._getSpaceRelativeTransform(L),y=new Wb(p,y,L.eye,this[Ea].sessionId),H.push(y);return new Tb(B,H,!1)}getPose(e,p){if(!this[Ea].active)throw new DOMException("XRFrame access outside the callback that produced it is invalid.",
"InvalidStateError");const y=this[Ea].device;if("target-ray"===e._specialType||"grip"===e._specialType)return y.getInputPose(e._inputSource,p,e._specialType);e._ensurePoseUpdated(y,this[Ea].id);p._ensurePoseUpdated(y,this[Ea].id);return(e=p._getSpaceRelativeTransform(e))?new XRPose(e,!1):null}}const fb=Symbol("@@webxr-polyfill/XRRenderState"),wc=Object.freeze({depthNear:.1,depthFar:1E3,inlineVerticalFieldOfView:null,baseLayer:null});class Bb{constructor(e={}){e=Object.assign({},wc,e);this[fb]={config:e}}get depthNear(){return this[fb].config.depthNear}get depthFar(){return this[fb].config.depthFar}get inlineVerticalFieldOfView(){return this[fb].config.inlineVerticalFieldOfView}get baseLayer(){return this[fb].config.baseLayer}}
const Xb=Symbol("@@webxr-polyfill/polyfilled-xr-compatible"),Cb=Symbol("@@webxr-polyfill/xr-compatible"),bb=Symbol("@@webxr-polyfill/XRWebGLLayer"),xc=Object.freeze({antialias:!0,depth:!1,stencil:!1,alpha:!0,multiview:!1,ignoreDepthValues:!1,framebufferScaleFactor:1});class yc{constructor(e,p,y={}){y=Object.assign({},xc,y);if(!(e instanceof Yb))throw Error("session must be a XRSession");if(e.ended)throw Error("InvalidStateError");if(p[Xb]&&!0!==p[Cb])throw Error("InvalidStateError");const B=p.getParameter(p.FRAMEBUFFER_BINDING);
this[bb]={context:p,config:y,framebuffer:B,session:e}}get context(){return this[bb].context}get antialias(){return this[bb].config.antialias}get ignoreDepthValues(){return!0}get framebuffer(){return this[bb].framebuffer}get framebufferWidth(){return this[bb].context.drawingBufferWidth}get framebufferHeight(){return this[bb].context.drawingBufferHeight}get _session(){return this[bb].session}getViewport(e){return e._getViewport(this)}static getNativeFramebufferScaleFactor(e){if(!e)throw new TypeError("getNativeFramebufferScaleFactor must be passed a session.");
return e[Q].ended?0:1}}const Db=Symbol("@@webxr-polyfill/XRInputSourceEvent");class Eb extends Event{constructor(e,p){super(e,p);this[Db]={frame:p.frame,inputSource:p.inputSource};Object.setPrototypeOf(this,Eb.prototype)}get frame(){return this[Db].frame}get inputSource(){return this[Db].inputSource}}const Zb=Symbol("@@webxr-polyfill/XRSessionEvent");class vb extends Event{constructor(e,p){super(e,p);this[Zb]={session:p.session};Object.setPrototypeOf(this,vb.prototype)}get session(){return this[Zb].session}}
const wb=Symbol("@@webxr-polyfill/XRInputSourcesChangeEvent");class Fb extends Event{constructor(e,p){super(e,p);this[wb]={session:p.session,added:p.added,removed:p.removed};Object.setPrototypeOf(this,Fb.prototype)}get session(){return this[wb].session}get added(){return this[wb].added}get removed(){return this[wb].removed}}const Q=Symbol("@@webxr-polyfill/XRSession");class Gb extends La{constructor(e){super(e)}get eye(){return this._specialType}_onPoseUpdate(e){this._inverseBaseMatrix=e.getBaseViewMatrix(this._specialType)}}
class Yb extends aa{constructor(e,p,y){super();let B="inline"!=p,H=new Bb({inlineVerticalFieldOfView:B?null:.5*Math.PI});this[Q]={device:e,mode:p,immersive:B,ended:!1,suspended:!1,frameCallbacks:[],currentFrameCallbacks:null,frameHandle:0,deviceFrameHandle:null,id:y,activeRenderState:H,pendingRenderState:null,viewerSpace:new Xa("viewer"),viewSpaces:[],currentInputSources:[]};B?this[Q].viewSpaces.push(new Gb("left"),new Gb("right")):this[Q].viewSpaces.push(new Gb("none"));this[Q].onDeviceFrame=()=>
{if(!this[Q].ended&&!this[Q].suspended){this[Q].deviceFrameHandle=null;this[Q].startDeviceFrameLoop();if(null!==this[Q].pendingRenderState&&(this[Q].activeRenderState=new Bb(this[Q].pendingRenderState),this[Q].pendingRenderState=null,this[Q].activeRenderState.baseLayer))this[Q].device.onBaseLayerSet(this[Q].id,this[Q].activeRenderState.baseLayer);if(null!==this[Q].activeRenderState.baseLayer){var L=new Ab(e,this,this[Q].id),M=this[Q].currentFrameCallbacks=this[Q].frameCallbacks;this[Q].frameCallbacks=
[];L[Ea].active=!0;L[Ea].animationFrame=!0;this[Q].device.onFrameStart(this[Q].id,this[Q].activeRenderState);this._checkInputSourcesChange();var T=Qb();for(let ca=0;ca<M.length;ca++)try{M[ca].cancelled||"function"!==typeof M[ca].callback||M[ca].callback(T,L)}catch(ma){console.error(ma)}this[Q].currentFrameCallbacks=null;L[Ea].active=!1;this[Q].device.onFrameEnd(this[Q].id)}}};this[Q].startDeviceFrameLoop=()=>{null===this[Q].deviceFrameHandle&&(this[Q].deviceFrameHandle=this[Q].device.requestAnimationFrame(this[Q].onDeviceFrame))};
this[Q].stopDeviceFrameLoop=()=>{const L=this[Q].deviceFrameHandle;null!==L&&(this[Q].device.cancelAnimationFrame(L),this[Q].deviceFrameHandle=null)};this[Q].onPresentationEnd=L=>{L!==this[Q].id?(this[Q].suspended=!1,this[Q].startDeviceFrameLoop(),this.dispatchEvent("focus",{session:this})):(this[Q].ended=!0,this[Q].stopDeviceFrameLoop(),e.removeEventListener("@@webxr-polyfill/vr-present-end",this[Q].onPresentationEnd),e.removeEventListener("@@webxr-polyfill/vr-present-start",this[Q].onPresentationStart),
e.removeEventListener("@@webxr-polyfill/input-select-start",this[Q].onSelectStart),e.removeEventListener("@@webxr-polyfill/input-select-end",this[Q].onSelectEnd),this.dispatchEvent("end",new vb("end",{session:this})))};e.addEventListener("@@webxr-polyfill/vr-present-end",this[Q].onPresentationEnd);this[Q].onPresentationStart=L=>{L!==this[Q].id&&(this[Q].suspended=!0,this[Q].stopDeviceFrameLoop(),this.dispatchEvent("blur",{session:this}))};e.addEventListener("@@webxr-polyfill/vr-present-start",this[Q].onPresentationStart);
this[Q].onSelectStart=L=>{L.sessionId===this[Q].id&&this[Q].dispatchInputSourceEvent("selectstart",L.inputSource)};e.addEventListener("@@webxr-polyfill/input-select-start",this[Q].onSelectStart);this[Q].onSelectEnd=L=>{L.sessionId===this[Q].id&&(this[Q].dispatchInputSourceEvent("selectend",L.inputSource),this[Q].dispatchInputSourceEvent("select",L.inputSource))};e.addEventListener("@@webxr-polyfill/input-select-end",this[Q].onSelectEnd);this[Q].onSqueezeStart=L=>{L.sessionId===this[Q].id&&this[Q].dispatchInputSourceEvent("squeezestart",
L.inputSource)};e.addEventListener("@@webxr-polyfill/input-squeeze-start",this[Q].onSqueezeStart);this[Q].onSqueezeEnd=L=>{L.sessionId===this[Q].id&&(this[Q].dispatchInputSourceEvent("squeezeend",L.inputSource),this[Q].dispatchInputSourceEvent("squeeze",L.inputSource))};e.addEventListener("@@webxr-polyfill/input-squeeze-end",this[Q].onSqueezeEnd);this[Q].dispatchInputSourceEvent=(L,M)=>{const T=new Ab(e,this,this[Q].id);M=new Eb(L,{frame:T,inputSource:M});T[Ea].active=!0;this.dispatchEvent(L,M);T[Ea].active=
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4)))d=!0;return d},fc=function(d,r){for(var u in r)r.hasOwnProperty(u)&&(d[u]=r[u]);return d},Mb=function(d){if(fa()){var r=d.style.width,u=d.style.height;d.style.width=parseInt(r)+1+"px";d.style.height=parseInt(u)+"px";setTimeout(function(){d.style.width=r;d.style.height=u},100)}window.canvas=d},Gc=function(){function d(D,E,S,V,U,Z){var ba=V||null;V=Z.depthNear;Z=Z.depthFar;var ha=Math.tan(ba?ba.upDegrees*r:u),pa=Math.tan(ba?ba.downDegrees*r:u),Ba=Math.tan(ba?ba.leftDegrees*r:u);ba=Math.tan(ba?ba.rightDegrees*
r:u);var la=2/(Ba+ba),ya=2/(ha+pa);D[0]=la;D[1]=0;D[2]=0;D[3]=0;D[4]=0;D[5]=ya;D[6]=0;D[7]=0;D[8]=-((Ba-ba)*la*.5);D[9]=(ha-pa)*ya*.5;D[10]=Z/(V-Z);D[11]=-1;D[12]=0;D[13]=0;D[14]=Z*V/(V-Z);D[15]=0;D=S.orientation||A;S=S.position||J;pa=D[0];la=D[1];ya=D[2];Z=D[3];var Ka=pa+pa;ba=la+la;ha=ya+ya;D=pa*Ka;V=pa*ba;pa*=ha;Ba=la*ba;la*=ha;ya*=ha;Ka*=Z;ba*=Z;Z*=ha;E[0]=1-(Ba+ya);E[1]=V+Z;E[2]=pa-ba;E[3]=0;E[4]=V-Z;E[5]=1-(D+ya);E[6]=la+Ka;E[7]=0;E[8]=pa+ba;E[9]=la-Ka;E[10]=1-(D+Ba);E[11]=0;E[12]=S[0];E[13]=
S[1];E[14]=S[2];E[15]=1;if(U)if(S=U[0],D=U[1],U=U[2],E===E)E[12]=E[0]*S+E[4]*D+E[8]*U+E[12],E[13]=E[1]*S+E[5]*D+E[9]*U+E[13],E[14]=E[2]*S+E[6]*D+E[10]*U+E[14],E[15]=E[3]*S+E[7]*D+E[11]*U+E[15];else{V=E[0];Z=E[1];ha=E[2];pa=E[3];Ba=E[4];ba=E[5];la=E[6];ya=E[7];Ka=E[8];var Qa=E[9];var Ra=E[10];var Sa=E[11];E[0]=V;E[1]=Z;E[2]=ha;E[3]=pa;E[4]=Ba;E[5]=ba;E[6]=la;E[7]=ya;E[8]=Ka;E[9]=Qa;E[10]=Ra;E[11]=Sa;E[12]=V*S+Ba*D+Ka*U+E[12];E[13]=Z*S+ba*D+Qa*U+E[13];E[14]=ha*S+la*D+Ra*U+E[14];E[15]=pa*S+ya*D+Sa*U+
E[15]}U=E[0];S=E[1];D=E[2];V=E[3];Z=E[4];ha=E[5];pa=E[6];Ba=E[7];ba=E[8];la=E[9];ya=E[10];Ka=E[11];Qa=E[12];Ra=E[13];Sa=E[14];var db=E[15],ib=U*ha-S*Z,jb=U*pa-D*Z,kb=U*Ba-V*Z,lb=S*pa-D*ha,mb=S*Ba-V*ha,nb=D*Ba-V*pa,ob=ba*Ra-la*Qa,pb=ba*Sa-ya*Qa,qb=ba*db-Ka*Qa,rb=la*Sa-ya*Ra,sb=la*db-Ka*Ra,tb=ya*db-Ka*Sa,Fa=ib*tb-jb*sb+kb*rb+lb*qb-mb*pb+nb*ob;Fa&&(Fa=1/Fa,E[0]=(ha*tb-pa*sb+Ba*rb)*Fa,E[1]=(D*sb-S*tb-V*rb)*Fa,E[2]=(Ra*nb-Sa*mb+db*lb)*Fa,E[3]=(ya*mb-la*nb-Ka*lb)*Fa,E[4]=(pa*qb-Z*tb-Ba*pb)*Fa,E[5]=(U*tb-
D*qb+V*pb)*Fa,E[6]=(Sa*kb-Qa*nb-db*jb)*Fa,E[7]=(ba*nb-ya*kb+Ka*jb)*Fa,E[8]=(Z*sb-ha*qb+Ba*ob)*Fa,E[9]=(S*qb-U*sb-V*ob)*Fa,E[10]=(Qa*mb-Ra*kb+db*ib)*Fa,E[11]=(la*kb-ba*mb-Ka*ib)*Fa,E[12]=(ha*pb-Z*rb-pa*ob)*Fa,E[13]=(U*rb-S*pb+D*ob)*Fa,E[14]=(Ra*jb-Qa*lb-Sa*ib)*Fa,E[15]=(ba*lb-la*jb+ya*ib)*Fa)}var r=Math.PI/180,u=.25*Math.PI,A=new Float32Array([0,0,0,1]),J=new Float32Array([0,0,0]);return function(D,E,S){if(!D||!E)return!1;D.pose=E;D.timestamp=E.timestamp;d(D.leftProjectionMatrix,D.leftViewMatrix,E,
S._getFieldOfView("left"),S._getEyeOffset("left"),S);d(D.rightProjectionMatrix,D.rightViewMatrix,E,S._getFieldOfView("right"),S._getEyeOffset("right"),S);return!0}}(),hc=function(d){var r=d.indexOf("://");r=d.indexOf("/",-1!==r?r+3:0);-1===r&&(r=d.length);return d.substring(0,r)},Nb=function(){var d={};return function(r,u){void 0===d[r]&&(console.warn("webvr-polyfill: "+u),d[r]=!0)}}(),cb=function(d,r){Nb(d,d+" has been deprecated. This may not work on native WebVR displays. "+(r?"Please use "+r+
" instead.":""))},ub=function(d,r,u){if(r){for(var A=[],J=null,D=0;D<r.length;++D){var E=r[D];switch(E){case d.TEXTURE_BINDING_2D:case d.TEXTURE_BINDING_CUBE_MAP:var S=r[++D];if(S<d.TEXTURE0||S>d.TEXTURE31){console.error("TEXTURE_BINDING_2D or TEXTURE_BINDING_CUBE_MAP must be followed by a valid texture unit");A.push(null,null);break}J||(J=d.getParameter(d.ACTIVE_TEXTURE));d.activeTexture(S);A.push(d.getParameter(E),null);break;case d.ACTIVE_TEXTURE:J=d.getParameter(d.ACTIVE_TEXTURE);A.push(null);
break;default:A.push(d.getParameter(E))}}u(d);for(D=0;D<r.length;++D){E=r[D];u=A[D];switch(E){case d.ACTIVE_TEXTURE:break;case d.ARRAY_BUFFER_BINDING:d.bindBuffer(d.ARRAY_BUFFER,u);break;case d.COLOR_CLEAR_VALUE:d.clearColor(u[0],u[1],u[2],u[3]);break;case d.COLOR_WRITEMASK:d.colorMask(u[0],u[1],u[2],u[3]);break;case d.CURRENT_PROGRAM:d.useProgram(u);break;case d.ELEMENT_ARRAY_BUFFER_BINDING:d.bindBuffer(d.ELEMENT_ARRAY_BUFFER,u);break;case d.FRAMEBUFFER_BINDING:d.bindFramebuffer(d.FRAMEBUFFER,u);
break;case d.RENDERBUFFER_BINDING:d.bindRenderbuffer(d.RENDERBUFFER,u);break;case d.TEXTURE_BINDING_2D:S=r[++D];if(S<d.TEXTURE0||S>d.TEXTURE31)break;d.activeTexture(S);d.bindTexture(d.TEXTURE_2D,u);break;case d.TEXTURE_BINDING_CUBE_MAP:S=r[++D];if(S<d.TEXTURE0||S>d.TEXTURE31)break;d.activeTexture(S);d.bindTexture(d.TEXTURE_CUBE_MAP,u);break;case d.VIEWPORT:d.viewport(u[0],u[1],u[2],u[3]);break;case d.BLEND:case d.CULL_FACE:case d.DEPTH_TEST:case d.SCISSOR_TEST:case d.STENCIL_TEST:u?d.enable(E):d.disable(E);
break;default:console.log("No GL restore behavior for 0x"+E.toString(16))}J&&d.activeTexture(J)}}else u(d)};y.prototype.destroy=function(){var d=this.gl;this.unpatch();d.deleteProgram(this.program);d.deleteBuffer(this.vertexBuffer);d.deleteBuffer(this.indexBuffer);d.deleteTexture(this.renderTarget);d.deleteFramebuffer(this.framebuffer);this.depthStencilBuffer&&d.deleteRenderbuffer(this.depthStencilBuffer);this.depthBuffer&&d.deleteRenderbuffer(this.depthBuffer);this.stencilBuffer&&d.deleteRenderbuffer(this.stencilBuffer);
this.cardboardUI&&this.cardboardUI.destroy()};y.prototype.onResize=function(){var d=this.gl,r=this;ub(d,[d.RENDERBUFFER_BINDING,d.TEXTURE_BINDING_2D,d.TEXTURE0],function(u){r.realBindFramebuffer.call(u,u.FRAMEBUFFER,null);r.scissorTest&&r.realDisable.call(u,u.SCISSOR_TEST);r.realColorMask.call(u,!0,!0,!0,!0);r.realViewport.call(u,0,0,u.drawingBufferWidth,u.drawingBufferHeight);r.realClearColor.call(u,0,0,0,1);u.clear(u.COLOR_BUFFER_BIT);r.realBindFramebuffer.call(u,u.FRAMEBUFFER,r.framebuffer);u.bindTexture(u.TEXTURE_2D,
r.renderTarget);u.texImage2D(u.TEXTURE_2D,0,r.ctxAttribs.alpha?u.RGBA:u.RGB,r.bufferWidth,r.bufferHeight,0,r.ctxAttribs.alpha?u.RGBA:u.RGB,u.UNSIGNED_BYTE,null);u.texParameteri(u.TEXTURE_2D,u.TEXTURE_MAG_FILTER,u.LINEAR);u.texParameteri(u.TEXTURE_2D,u.TEXTURE_MIN_FILTER,u.LINEAR);u.texParameteri(u.TEXTURE_2D,u.TEXTURE_WRAP_S,u.CLAMP_TO_EDGE);u.texParameteri(u.TEXTURE_2D,u.TEXTURE_WRAP_T,u.CLAMP_TO_EDGE);u.framebufferTexture2D(u.FRAMEBUFFER,u.COLOR_ATTACHMENT0,u.TEXTURE_2D,r.renderTarget,0);r.ctxAttribs.depth&&
r.ctxAttribs.stencil?(u.bindRenderbuffer(u.RENDERBUFFER,r.depthStencilBuffer),u.renderbufferStorage(u.RENDERBUFFER,u.DEPTH_STENCIL,r.bufferWidth,r.bufferHeight),u.framebufferRenderbuffer(u.FRAMEBUFFER,u.DEPTH_STENCIL_ATTACHMENT,u.RENDERBUFFER,r.depthStencilBuffer)):r.ctxAttribs.depth?(u.bindRenderbuffer(u.RENDERBUFFER,r.depthBuffer),u.renderbufferStorage(u.RENDERBUFFER,u.DEPTH_COMPONENT16,r.bufferWidth,r.bufferHeight),u.framebufferRenderbuffer(u.FRAMEBUFFER,u.DEPTH_ATTACHMENT,u.RENDERBUFFER,r.depthBuffer)):
r.ctxAttribs.stencil&&(u.bindRenderbuffer(u.RENDERBUFFER,r.stencilBuffer),u.renderbufferStorage(u.RENDERBUFFER,u.STENCIL_INDEX8,r.bufferWidth,r.bufferHeight),u.framebufferRenderbuffer(u.FRAMEBUFFER,u.STENCIL_ATTACHMENT,u.RENDERBUFFER,r.stencilBuffer));!u.checkFramebufferStatus(u.FRAMEBUFFER)===u.FRAMEBUFFER_COMPLETE&&console.error("Framebuffer incomplete!");r.realBindFramebuffer.call(u,u.FRAMEBUFFER,r.lastBoundFramebuffer);r.scissorTest&&r.realEnable.call(u,u.SCISSOR_TEST);r.realColorMask.apply(u,
r.colorMask);r.realViewport.apply(u,r.viewport);r.realClearColor.apply(u,r.clearColor)});if(this.cardboardUI)this.cardboardUI.onResize()};y.prototype.patch=function(){if(!this.isPatched){var d=this,r=this.gl.canvas,u=this.gl;fa()||(r.width=gb()*this.bufferScale,r.height=hb()*this.bufferScale,Object.defineProperty(r,"width",{configurable:!0,enumerable:!0,get:function(){return d.bufferWidth},set:function(A){d.bufferWidth=A;d.realCanvasWidth.set.call(r,A);d.onResize()}}),Object.defineProperty(r,"height",
{configurable:!0,enumerable:!0,get:function(){return d.bufferHeight},set:function(A){d.bufferHeight=A;d.realCanvasHeight.set.call(r,A);d.onResize()}}));this.lastBoundFramebuffer=u.getParameter(u.FRAMEBUFFER_BINDING);null==this.lastBoundFramebuffer&&(this.lastBoundFramebuffer=this.framebuffer,this.gl.bindFramebuffer(u.FRAMEBUFFER,this.framebuffer));this.gl.bindFramebuffer=function(A,J){d.lastBoundFramebuffer=J?J:d.framebuffer;d.realBindFramebuffer.call(u,A,d.lastBoundFramebuffer)};this.cullFace=u.getParameter(u.CULL_FACE);
this.depthTest=u.getParameter(u.DEPTH_TEST);this.blend=u.getParameter(u.BLEND);this.scissorTest=u.getParameter(u.SCISSOR_TEST);this.stencilTest=u.getParameter(u.STENCIL_TEST);u.enable=function(A){switch(A){case u.CULL_FACE:d.cullFace=!0;break;case u.DEPTH_TEST:d.depthTest=!0;break;case u.BLEND:d.blend=!0;break;case u.SCISSOR_TEST:d.scissorTest=!0;break;case u.STENCIL_TEST:d.stencilTest=!0}d.realEnable.call(u,A)};u.disable=function(A){switch(A){case u.CULL_FACE:d.cullFace=!1;break;case u.DEPTH_TEST:d.depthTest=
!1;break;case u.BLEND:d.blend=!1;break;case u.SCISSOR_TEST:d.scissorTest=!1;break;case u.STENCIL_TEST:d.stencilTest=!1}d.realDisable.call(u,A)};this.colorMask=u.getParameter(u.COLOR_WRITEMASK);u.colorMask=function(A,J,D,E){d.colorMask[0]=A;d.colorMask[1]=J;d.colorMask[2]=D;d.colorMask[3]=E;d.realColorMask.call(u,A,J,D,E)};this.clearColor=u.getParameter(u.COLOR_CLEAR_VALUE);u.clearColor=function(A,J,D,E){d.clearColor[0]=A;d.clearColor[1]=J;d.clearColor[2]=D;d.clearColor[3]=E;d.realClearColor.call(u,
A,J,D,E)};this.viewport=u.getParameter(u.VIEWPORT);u.viewport=function(A,J,D,E){d.viewport[0]=A;d.viewport[1]=J;d.viewport[2]=D;d.viewport[3]=E;d.realViewport.call(u,A,J,D,E)};this.isPatched=!0;Mb(r)}};y.prototype.unpatch=function(){if(this.isPatched){var d=this.gl,r=this.gl.canvas;fa()||(Object.defineProperty(r,"width",this.realCanvasWidth),Object.defineProperty(r,"height",this.realCanvasHeight));r.width=this.bufferWidth;r.height=this.bufferHeight;d.bindFramebuffer=this.realBindFramebuffer;d.enable=
this.realEnable;d.disable=this.realDisable;d.colorMask=this.realColorMask;d.clearColor=this.realClearColor;d.viewport=this.realViewport;this.lastBoundFramebuffer==this.framebuffer&&d.bindFramebuffer(d.FRAMEBUFFER,null);this.isPatched=!1;setTimeout(function(){Mb(r)},1)}};y.prototype.setTextureBounds=function(d,r){d||(d=[0,0,.5,1]);r||(r=[.5,0,.5,1]);this.viewportOffsetScale[0]=d[0];this.viewportOffsetScale[1]=d[1];this.viewportOffsetScale[2]=d[2];this.viewportOffsetScale[3]=d[3];this.viewportOffsetScale[4]=
r[0];this.viewportOffsetScale[5]=r[1];this.viewportOffsetScale[6]=r[2];this.viewportOffsetScale[7]=r[3]};y.prototype.submitFrame=function(){var d=this.gl,r=this,u=[];this.dirtySubmitFrameBindings||u.push(d.CURRENT_PROGRAM,d.ARRAY_BUFFER_BINDING,d.ELEMENT_ARRAY_BUFFER_BINDING,d.TEXTURE_BINDING_2D,d.TEXTURE0);ub(d,u,function(A){r.realBindFramebuffer.call(A,A.FRAMEBUFFER,null);var J=0,D=0;r.instanceExt&&(J=A.getVertexAttrib(r.attribs.position,r.instanceExt.VERTEX_ATTRIB_ARRAY_DIVISOR_ANGLE),D=A.getVertexAttrib(r.attribs.texCoord,
r.instanceExt.VERTEX_ATTRIB_ARRAY_DIVISOR_ANGLE));r.cullFace&&r.realDisable.call(A,A.CULL_FACE);r.depthTest&&r.realDisable.call(A,A.DEPTH_TEST);r.blend&&r.realDisable.call(A,A.BLEND);r.scissorTest&&r.realDisable.call(A,A.SCISSOR_TEST);r.stencilTest&&r.realDisable.call(A,A.STENCIL_TEST);r.realColorMask.call(A,!0,!0,!0,!0);r.realViewport.call(A,0,0,A.drawingBufferWidth,A.drawingBufferHeight);if(r.ctxAttribs.alpha||fa())r.realClearColor.call(A,0,0,0,1),A.clear(A.COLOR_BUFFER_BIT);A.useProgram(r.program);
A.bindBuffer(A.ELEMENT_ARRAY_BUFFER,r.indexBuffer);A.bindBuffer(A.ARRAY_BUFFER,r.vertexBuffer);A.enableVertexAttribArray(r.attribs.position);A.enableVertexAttribArray(r.attribs.texCoord);A.vertexAttribPointer(r.attribs.position,2,A.FLOAT,!1,20,0);A.vertexAttribPointer(r.attribs.texCoord,3,A.FLOAT,!1,20,8);r.instanceExt&&(0!=J&&r.instanceExt.vertexAttribDivisorANGLE(r.attribs.position,0),0!=D&&r.instanceExt.vertexAttribDivisorANGLE(r.attribs.texCoord,0));A.activeTexture(A.TEXTURE0);A.uniform1i(r.uniforms.diffuse,
0);A.bindTexture(A.TEXTURE_2D,r.renderTarget);A.uniform4fv(r.uniforms.viewportOffsetScale,r.viewportOffsetScale);A.drawElements(A.TRIANGLES,r.indexCount,A.UNSIGNED_SHORT,0);r.cardboardUI&&r.cardboardUI.renderNoState();r.realBindFramebuffer.call(r.gl,A.FRAMEBUFFER,r.framebuffer);r.ctxAttribs.preserveDrawingBuffer||(r.realClearColor.call(A,0,0,0,0),A.clear(A.COLOR_BUFFER_BIT));r.dirtySubmitFrameBindings||r.realBindFramebuffer.call(A,A.FRAMEBUFFER,r.lastBoundFramebuffer);r.cullFace&&r.realEnable.call(A,
A.CULL_FACE);r.depthTest&&r.realEnable.call(A,A.DEPTH_TEST);r.blend&&r.realEnable.call(A,A.BLEND);r.scissorTest&&r.realEnable.call(A,A.SCISSOR_TEST);r.stencilTest&&r.realEnable.call(A,A.STENCIL_TEST);r.realColorMask.apply(A,r.colorMask);r.realViewport.apply(A,r.viewport);!r.ctxAttribs.alpha&&r.ctxAttribs.preserveDrawingBuffer||r.realClearColor.apply(A,r.clearColor);r.instanceExt&&(0!=J&&r.instanceExt.vertexAttribDivisorANGLE(r.attribs.position,J),0!=D&&r.instanceExt.vertexAttribDivisorANGLE(r.attribs.texCoord,
D))});fa()&&(d=d.canvas,d.width!=r.bufferWidth||d.height!=r.bufferHeight)&&(r.bufferWidth=d.width,r.bufferHeight=d.height,r.onResize())};y.prototype.updateDeviceInfo=function(d){var r=this.gl,u=this;ub(r,[r.ARRAY_BUFFER_BINDING,r.ELEMENT_ARRAY_BUFFER_BINDING],function(A){var J=u.computeMeshVertices_(u.meshWidth,u.meshHeight,d);A.bindBuffer(A.ARRAY_BUFFER,u.vertexBuffer);A.bufferData(A.ARRAY_BUFFER,J,A.STATIC_DRAW);u.indexCount||(J=u.computeMeshIndices_(u.meshWidth,u.meshHeight),A.bindBuffer(A.ELEMENT_ARRAY_BUFFER,
u.indexBuffer),A.bufferData(A.ELEMENT_ARRAY_BUFFER,J,A.STATIC_DRAW),u.indexCount=J.length)})};y.prototype.computeMeshVertices_=function(d,r,u){for(var A=new Float32Array(2*d*r*5),J=u.getLeftEyeVisibleTanAngles(),D=u.getLeftEyeNoLensTanAngles(),E=u.getLeftEyeVisibleScreenRect(D),S=0,V=0;2>V;V++){for(var U=0;U<r;U++)for(var Z=0;Z<d;Z++,S++){var ba=Z/(d-1),ha=U/(r-1),pa=ba,Ba=ha,la=J[0];ba=la+(J[2]-la)*ba;la=J[3];var ya=la+(J[1]-la)*ha;ha=Math.sqrt(ba*ba+ya*ya);la=u.distortion.distortInverse(ha);ya=
ya*la/ha;ba=(ba*la/ha-D[0])/(D[2]-D[0]);ha=(ya-D[3])/(D[1]-D[3]);ba=2*(E.x+ba*E.width-.5);ha=2*(E.y+ha*E.height-.5);A[5*S]=ba;A[5*S+1]=ha;A[5*S+2]=pa;A[5*S+3]=Ba;A[5*S+4]=V}U=J[2]-J[0];J[0]=-(U+J[0]);J[2]=U-J[2];U=D[2]-D[0];D[0]=-(U+D[0]);D[2]=U-D[2];E.x=1-(E.x+E.width)}return A};y.prototype.computeMeshIndices_=function(d,r){for(var u=new Uint16Array(2*(d-1)*(r-1)*6),A=d/2,J=r/2,D=0,E=0,S=0;2>S;S++)for(var V=0;V<r;V++)for(var U=0;U<d;U++,D++)0!=U&&0!=V&&(U<=A==V<=J?(u[E++]=D,u[E++]=D-d-1,u[E++]=D-
d,u[E++]=D-d-1,u[E++]=D,u[E++]=D-1):(u[E++]=D-1,u[E++]=D-d,u[E++]=D,u[E++]=D-d,u[E++]=D-1,u[E++]=D-d-1));return u};y.prototype.getOwnPropertyDescriptor_=function(d,r){d=Object.getOwnPropertyDescriptor(d,r);if(void 0===d.get||void 0===d.set)d.configurable=!0,d.enumerable=!0,d.get=function(){return this.getAttribute(r)},d.set=function(u){this.setAttribute(r,u)};return d};var ic=Math.PI/180;B.prototype.destroy=function(){var d=this.gl;this.listener&&d.canvas.removeEventListener("click",this.listener,
!1);d.deleteProgram(this.program);d.deleteBuffer(this.vertexBuffer)};B.prototype.listen=function(d,r){var u=this.gl.canvas;this.listener=function(A){var J=u.clientWidth/2;A.clientX>J-42&&A.clientX<J+42&&A.clientY>u.clientHeight-42?d(A):42>A.clientX&&42>A.clientY&&r(A)};u.addEventListener("click",this.listener,!1)};B.prototype.onResize=function(){var d=this.gl,r=this;ub(d,[d.ARRAY_BUFFER_BINDING],function(u){function A(pa,Ba){var la=(90-pa)*ic;pa=Math.cos(la);la=Math.sin(la);D.push(.3125*pa*Z+E,.3125*
la*Z+Z);D.push(Ba*pa*Z+E,Ba*la*Z+Z)}function J(pa,Ba){D.push(ba+pa,u.drawingBufferHeight-ba-Ba)}var D=[],E=u.drawingBufferWidth/2,S=u.drawingBufferWidth/(Math.max(screen.width,screen.height)*window.devicePixelRatio)*window.devicePixelRatio,V=4*S/2,U=42*S,Z=28*S/2,ba=14*S;D.push(E-V,U);D.push(E-V,u.drawingBufferHeight);D.push(E+V,U);D.push(E+V,u.drawingBufferHeight);r.gearOffset=D.length/2;for(U=0;6>=U;U++){var ha=60*U;A(ha,1);A(ha+12,1);A(ha+20,.75);A(ha+40,.75);A(ha+48,1)}r.gearVertexCount=D.length/
2-r.gearOffset;r.arrowOffset=D.length/2;U=V/Math.sin(45*ic);J(0,Z);J(Z,0);J(Z+U,U);J(U,Z+U);J(U,Z-U);J(0,Z);J(Z,2*Z);J(Z+U,2*Z-U);J(U,Z-U);J(0,Z);J(U,Z-V);J(28*S,Z-V);J(U,Z+V);J(28*S,Z+V);r.arrowVertexCount=D.length/2-r.arrowOffset;u.bindBuffer(u.ARRAY_BUFFER,r.vertexBuffer);u.bufferData(u.ARRAY_BUFFER,new Float32Array(D),u.STATIC_DRAW)})};B.prototype.render=function(){var d=this.gl,r=this;ub(d,[d.CULL_FACE,d.DEPTH_TEST,d.BLEND,d.SCISSOR_TEST,d.STENCIL_TEST,d.COLOR_WRITEMASK,d.VIEWPORT,d.CURRENT_PROGRAM,
d.ARRAY_BUFFER_BINDING],function(u){u.disable(u.CULL_FACE);u.disable(u.DEPTH_TEST);u.disable(u.BLEND);u.disable(u.SCISSOR_TEST);u.disable(u.STENCIL_TEST);u.colorMask(!0,!0,!0,!0);u.viewport(0,0,u.drawingBufferWidth,u.drawingBufferHeight);r.renderNoState()})};B.prototype.renderNoState=function(){var d=this.gl;d.useProgram(this.program);d.bindBuffer(d.ARRAY_BUFFER,this.vertexBuffer);d.enableVertexAttribArray(this.attribs.position);d.vertexAttribPointer(this.attribs.position,2,d.FLOAT,!1,8,0);d.uniform4f(this.uniforms.color,
1,1,1,1);var r=this.projMat,u=d.drawingBufferWidth,A=d.drawingBufferHeight,J=1/(0-u),D=1/(0-A),E=1/-1023.9;r[0]=-2*J;r[1]=0;r[2]=0;r[3]=0;r[4]=0;r[5]=-2*D;r[6]=0;r[7]=0;r[8]=0;r[9]=0;r[10]=2*E;r[11]=0;r[12]=(0+u)*J;r[13]=(A+0)*D;r[14]=1024.1*E;r[15]=1;d.uniformMatrix4fv(this.uniforms.projectionMat,!1,this.projMat);d.drawArrays(d.TRIANGLE_STRIP,0,4);d.drawArrays(d.TRIANGLE_STRIP,this.gearOffset,this.gearVertexCount);d.drawArrays(d.TRIANGLE_STRIP,this.arrowOffset,this.arrowVertexCount)};H.prototype.distortInverse=
function(d){for(var r=0,u=1,A=d-this.distort(r);1E-4<Math.abs(u-r);){var J=d-this.distort(u);A=u-(u-r)/(J-A)*J;r=u;u=A;A=J}return u};H.prototype.distort=function(d){for(var r=d*d,u=0,A=0;A<this.coefficients.length;A++)u=r*(u+this.coefficients[A]);return(u+1)*d};var Na=Math.PI/180,Oa=180/Math.PI,Aa=function(d,r,u){this.x=d||0;this.y=r||0;this.z=u||0};Aa.prototype={constructor:Aa,set:function(d,r,u){this.x=d;this.y=r;this.z=u;return this},copy:function(d){this.x=d.x;this.y=d.y;this.z=d.z;return this},
length:function(){return Math.sqrt(this.x*this.x+this.y*this.y+this.z*this.z)},normalize:function(){var d=this.length();0!==d?this.multiplyScalar(1/d):this.z=this.y=this.x=0;return this},multiplyScalar:function(d){this.x*=d;this.y*=d;this.z*=d},applyQuaternion:function(d){var r=this.x,u=this.y,A=this.z,J=d.x,D=d.y,E=d.z;d=d.w;var S=d*r+D*A-E*u,V=d*u+E*r-J*A,U=d*A+J*u-D*r;r=-J*r-D*u-E*A;this.x=S*d+r*-J+V*-E-U*-D;this.y=V*d+r*-D+U*-J-S*-E;this.z=U*d+r*-E+S*-D-V*-J;return this},dot:function(d){return this.x*
d.x+this.y*d.y+this.z*d.z},crossVectors:function(d,r){var u=d.x,A=d.y;d=d.z;var J=r.x,D=r.y;r=r.z;this.x=A*r-d*D;this.y=d*J-u*r;this.z=u*D-A*J;return this}};var oa=function(d,r,u,A){this.x=d||0;this.y=r||0;this.z=u||0;this.w=void 0!==A?A:1};oa.prototype={constructor:oa,set:function(d,r,u,A){this.x=d;this.y=r;this.z=u;this.w=A;return this},copy:function(d){this.x=d.x;this.y=d.y;this.z=d.z;this.w=d.w;return this},setFromEulerXYZ:function(d,r,u){var A=Math.cos(d/2),J=Math.cos(r/2),D=Math.cos(u/2);d=
Math.sin(d/2);r=Math.sin(r/2);u=Math.sin(u/2);this.x=d*J*D+A*r*u;this.y=A*r*D-d*J*u;this.z=A*J*u+d*r*D;this.w=A*J*D-d*r*u;return this},setFromEulerYXZ:function(d,r,u){var A=Math.cos(d/2),J=Math.cos(r/2),D=Math.cos(u/2);d=Math.sin(d/2);r=Math.sin(r/2);u=Math.sin(u/2);this.x=d*J*D+A*r*u;this.y=A*r*D-d*J*u;this.z=A*J*u-d*r*D;this.w=A*J*D+d*r*u;return this},setFromAxisAngle:function(d,r){r/=2;var u=Math.sin(r);this.x=d.x*u;this.y=d.y*u;this.z=d.z*u;this.w=Math.cos(r);return this},multiply:function(d){return this.multiplyQuaternions(this,
d)},multiplyQuaternions:function(d,r){var u=d.x,A=d.y,J=d.z;d=d.w;var D=r.x,E=r.y,S=r.z;r=r.w;this.x=u*r+d*D+A*S-J*E;this.y=A*r+d*E+J*D-u*S;this.z=J*r+d*S+u*E-A*D;this.w=d*r-u*D-A*E-J*S;return this},inverse:function(){this.x*=-1;this.y*=-1;this.z*=-1;this.normalize();return this},normalize:function(){var d=Math.sqrt(this.x*this.x+this.y*this.y+this.z*this.z+this.w*this.w);0===d?(this.z=this.y=this.x=0,this.w=1):(d=1/d,this.x*=d,this.y*=d,this.z*=d,this.w*=d);return this},slerp:function(d,r){if(0===
r)return this;if(1===r)return this.copy(d);var u=this.x,A=this.y,J=this.z,D=this.w,E=D*d.w+u*d.x+A*d.y+J*d.z;0>E?(this.w=-d.w,this.x=-d.x,this.y=-d.y,this.z=-d.z,E=-E):this.copy(d);if(1<=E)return this.w=D,this.x=u,this.y=A,this.z=J,this;d=Math.acos(E);var S=Math.sqrt(1-E*E);if(.001>Math.abs(S))return this.w=.5*(D+this.w),this.x=.5*(u+this.x),this.y=.5*(A+this.y),this.z=.5*(J+this.z),this;E=Math.sin((1-r)*d)/S;r=Math.sin(r*d)/S;this.w=D*E+this.w*r;this.x=u*E+this.x*r;this.y=A*E+this.y*r;this.z=J*E+
this.z*r;return this},setFromUnitVectors:function(){var d,r;return function(u,A){void 0===d&&(d=new Aa);r=u.dot(A)+1;1E-6>r?(r=0,Math.abs(u.x)>Math.abs(u.z)?d.set(-u.y,u.x,0):d.set(0,-u.z,u.y)):d.crossVectors(u,A);this.x=d.x;this.y=d.y;this.z=d.z;this.w=r;this.normalize();return this}}()};var Hc=new L({widthMeters:.11,heightMeters:.062,bevelMeters:.004}),Ic=new L({widthMeters:.1038,heightMeters:.0584,bevelMeters:.004}),Kb={CardboardV1:new T({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 T({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,-9.904169E-4,6.183535E-5,-1.6981803E-6]})};M.prototype.updateDeviceParams=function(d){this.device=this.determineDevice_(d)||this.device};M.prototype.getDevice=function(){return this.device};M.prototype.setViewer=function(d){this.viewer=d;this.distortion=new H(this.viewer.distortionCoefficients)};M.prototype.determineDevice_=function(d){if(!d){if(fa())return console.warn("Using fallback iOS device measurements."),Ic;console.warn("Using fallback Android device measurements.");return Hc}var r=
.0254/d.xdpi,u=.0254/d.ydpi,A=gb(),J=hb();return new L({widthMeters:r*A,heightMeters:u*J,bevelMeters:.001*d.bevelMm})};M.prototype.getDistortedFieldOfViewLeftEye=function(){var d=this.viewer,r=this.device,u=this.distortion,A=d.screenLensDistance,J=d.interLensDistance/2,D=d.baselineLensDistance-r.bevelMeters,E=r.heightMeters-D;r=Oa*Math.atan(u.distort((r.widthMeters-d.interLensDistance)/2/A));J=Oa*Math.atan(u.distort(J/A));D=Oa*Math.atan(u.distort(D/A));u=Oa*Math.atan(u.distort(E/A));return{leftDegrees:Math.min(r,
d.fov),rightDegrees:Math.min(J,d.fov),downDegrees:Math.min(D,d.fov),upDegrees:Math.min(u,d.fov)}};M.prototype.getLeftEyeVisibleTanAngles=function(){var d=this.viewer,r=this.device,u=this.distortion,A=Math.tan(-Na*d.fov),J=Math.tan(Na*d.fov),D=Math.tan(Na*d.fov),E=Math.tan(-Na*d.fov),S=r.widthMeters/4,V=r.heightMeters/2,U=d.interLensDistance/2-S,Z=-(d.baselineLensDistance-r.bevelMeters-V),ba=d.screenLensDistance;d=u.distort((U-S)/ba);r=u.distort((Z+V)/ba);S=u.distort((U+S)/ba);u=u.distort((Z-V)/ba);
V=new Float32Array(4);V[0]=Math.max(A,d);V[1]=Math.min(J,r);V[2]=Math.min(D,S);V[3]=Math.max(E,u);return V};M.prototype.getLeftEyeNoLensTanAngles=function(){var d=this.viewer,r=this.device,u=this.distortion,A=new Float32Array(4),J=u.distortInverse(Math.tan(-Na*d.fov)),D=u.distortInverse(Math.tan(Na*d.fov)),E=u.distortInverse(Math.tan(Na*d.fov));u=u.distortInverse(Math.tan(-Na*d.fov));var S=r.widthMeters/4,V=r.heightMeters/2,U=d.interLensDistance/2-S;r=-(d.baselineLensDistance-r.bevelMeters-V);d=d.screenLensDistance;
A[0]=Math.max(J,(U-S)/d);A[1]=Math.min(D,(r+V)/d);A[2]=Math.min(E,(U+S)/d);A[3]=Math.max(u,(r-V)/d);return A};M.prototype.getLeftEyeVisibleScreenRect=function(d){var r=this.viewer,u=this.device,A=r.screenLensDistance,J=(u.widthMeters-r.interLensDistance)/2;r=r.baselineLensDistance-u.bevelMeters;var D=(d[0]*A+J)/u.widthMeters,E=(d[3]*A+r)/u.heightMeters;return{x:D,y:E,width:(d[2]*A+J)/u.widthMeters-D,height:(d[1]*A+r)/u.heightMeters-E}};M.prototype.getFieldOfViewLeftEye=function(d){return d?this.getUndistortedFieldOfViewLeftEye():
this.getDistortedFieldOfViewLeftEye()};M.prototype.getFieldOfViewRightEye=function(d){d=this.getFieldOfViewLeftEye(d);return{leftDegrees:d.rightDegrees,rightDegrees:d.leftDegrees,upDegrees:d.upDegrees,downDegrees:d.downDegrees}};M.prototype.getUndistortedFieldOfViewLeftEye=function(){var d=this.getUndistortedParams_();return{leftDegrees:Oa*Math.atan(d.outerDist),rightDegrees:Oa*Math.atan(d.innerDist),downDegrees:Oa*Math.atan(d.bottomDist),upDegrees:Oa*Math.atan(d.topDist)}};M.prototype.getUndistortedViewportLeftEye=
function(){var d=this.getUndistortedParams_(),r=this.device,u=this.viewer.screenLensDistance,A=r.width/(r.widthMeters/u);r=r.height/(r.heightMeters/u);u=Math.round((d.eyePosX-d.outerDist)*A);var J=Math.round((d.eyePosY-d.bottomDist)*r);return{x:u,y:J,width:Math.round((d.eyePosX+d.innerDist)*A)-u,height:Math.round((d.eyePosY+d.topDist)*r)-J}};M.prototype.getUndistortedParams_=function(){var d=this.viewer,r=this.device,u=d.screenLensDistance,A=d.interLensDistance/2/u,J=r.heightMeters/u,D=r.widthMeters/
u/2-A;r=(d.baselineLensDistance-r.bevelMeters)/u;d=this.distortion.distortInverse(Math.tan(Na*d.fov));return{outerDist:Math.min(D,d),innerDist:Math.min(A,d),topDist:Math.min(J-r,d),bottomDist:Math.min(r,d),eyePosX:D,eyePosY:r}};M.Viewers=Kb;var Ac={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 B"}],dpi:[494.3,489.7],bw:3,ac:1E3},{type:"android",rules:[{mdmh:"motorola/*/XT1063/*"},{ua:"XT1063"}],dpi:[295,296.6],bw:3,ac:1E3},{type:"android",rules:[{mdmh:"motorola/*/XT1064/*"},
{ua:"XT1064"}],dpi:[295,295.6],bw:3,ac:500},{type:"android",rules:[{mdmh:"motorola/*/XT1092/*"},{ua:"XT1092"}],dpi:[422,424.1],bw:3,ac:500},{type:"android",rules:[{mdmh:"motorola/*/XT1095/*"},{ua:"XT1095"}],dpi:[422,423.4],bw:3,ac:1E3},{type:"android",rules:[{mdmh:"motorola/*/G4/*"},{ua:"Moto G (4)"}],dpi:401,bw:4,ac:1E3},{type:"android",rules:[{mdmh:"OnePlus/*/A0001/*"},{ua:"A0001"}],dpi:[403.4,401],bw:3,ac:1E3},{type:"android",rules:[{mdmh:"OnePlus/*/ONE E1001/*"},{ua:"ONE E1001"}],dpi:[442.4,441.4],
bw:3,ac:1E3},{type:"android",rules:[{mdmh:"OnePlus/*/ONE E1003/*"},{ua:"ONE E1003"}],dpi:[442.4,441.4],bw:3,ac:1E3},{type:"android",rules:[{mdmh:"OnePlus/*/ONE E1005/*"},{ua:"ONE E1005"}],dpi:[442.4,441.4],bw:3,ac:1E3},{type:"android",rules:[{mdmh:"OnePlus/*/ONE A2001/*"},{ua:"ONE 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 S"}],dpi:[234.5,229.8],bw:3,ac:1E3},{type:"android",rules:[{mdmh:"samsung/*/GT-I9300/*"},{ua:"GT-I9300"}],dpi:[304.8,303.9],bw:5,ac:500},{type:"android",rules:[{mdmh:"samsung/*/SM-T230NU/*"},{ua:"SM-T230NU"}],dpi:216,
bw:3,ac:500},{type:"android",rules:[{mdmh:"samsung/*/SGH-T399/*"},{ua:"SGH-T399"}],dpi:[217.7,231.4],bw:3,ac:1E3},{type:"android",rules:[{mdmh:"samsung/*/SGH-M919/*"},{ua:"SGH-M919"}],dpi:[440.8,437.7],bw:3,ac:1E3},{type:"android",rules:[{mdmh:"samsung/*/SM-N9005/*"},{ua:"SM-N9005"}],dpi:[386.4,387],bw:3,ac:500},{type:"android",rules:[{mdmh:"samsung/*/SAMSUNG-SM-N900A/*"},{ua:"SAMSUNG-SM-N900A"}],dpi:[386.4,387.7],bw:3,ac:1E3},{type:"android",rules:[{mdmh:"samsung/*/GT-I9500/*"},{ua:"GT-I9500"}],
dpi:[442.5,443.3],bw:3,ac:500},{type:"android",rules:[{mdmh:"samsung/*/GT-I9505/*"},{ua:"GT-I9505"}],dpi:439.4,bw:4,ac:1E3},{type:"android",rules:[{mdmh:"samsung/*/SM-G900F/*"},{ua:"SM-G900F"}],dpi:[415.6,431.6],bw:5,ac:1E3},{type:"android",rules:[{mdmh:"samsung/*/SM-G900M/*"},{ua:"SM-G900M"}],dpi:[415.6,431.6],bw:5,ac:1E3},{type:"android",rules:[{mdmh:"samsung/*/SM-G800F/*"},{ua:"SM-G800F"}],dpi:326.8,bw:3,ac:1E3},{type:"android",rules:[{mdmh:"samsung/*/SM-G906S/*"},{ua:"SM-G906S"}],dpi:[562.7,572.4],
bw:3,ac:1E3},{type:"android",rules:[{mdmh:"samsung/*/GT-I9300/*"},{ua:"GT-I9300"}],dpi:[306.7,304.8],bw:5,ac:1E3},{type:"android",rules:[{mdmh:"samsung/*/SM-T535/*"},{ua:"SM-T535"}],dpi:[142.6,136.4],bw:3,ac:500},{type:"android",rules:[{mdmh:"samsung/*/SM-N920C/*"},{ua:"SM-N920C"}],dpi:[515.1,518.4],bw:3,ac:1E3},{type:"android",rules:[{mdmh:"samsung/*/SM-N920P/*"},{ua:"SM-N920P"}],dpi:[386.3655,390.144],bw:3,ac:1E3},{type:"android",rules:[{mdmh:"samsung/*/SM-N920W8/*"},{ua:"SM-N920W8"}],dpi:[515.1,
518.4],bw:3,ac:1E3},{type:"android",rules:[{mdmh:"samsung/*/GT-I9300I/*"},{ua:"GT-I9300I"}],dpi:[304.8,305.8],bw:3,ac:1E3},{type:"android",rules:[{mdmh:"samsung/*/GT-I9195/*"},{ua:"GT-I9195"}],dpi:[249.4,256.7],bw:3,ac:500},{type:"android",rules:[{mdmh:"samsung/*/SPH-L520/*"},{ua:"SPH-L520"}],dpi:[249.4,255.9],bw:3,ac:1E3},{type:"android",rules:[{mdmh:"samsung/*/SAMSUNG-SGH-I717/*"},{ua:"SAMSUNG-SGH-I717"}],dpi:285.8,bw:3,ac:1E3},{type:"android",rules:[{mdmh:"samsung/*/SPH-D710/*"},{ua:"SPH-D710"}],
dpi:[217.7,204.2],bw:3,ac:1E3},{type:"android",rules:[{mdmh:"samsung/*/GT-N7100/*"},{ua:"GT-N7100"}],dpi:265.1,bw:3,ac:1E3},{type:"android",rules:[{mdmh:"samsung/*/SCH-I605/*"},{ua:"SCH-I605"}],dpi:265.1,bw:3,ac:1E3},{type:"android",rules:[{mdmh:"samsung/*/Galaxy Nexus/*"},{ua:"Galaxy Nexus"}],dpi:[315.3,314.2],bw:3,ac:1E3},{type:"android",rules:[{mdmh:"samsung/*/SM-N910H/*"},{ua:"SM-N910H"}],dpi:[515.1,518],bw:3,ac:1E3},{type:"android",rules:[{mdmh:"samsung/*/SM-N910C/*"},{ua:"SM-N910C"}],dpi:[515.2,
520.2],bw:3,ac:500},{type:"android",rules:[{mdmh:"samsung/*/SM-G130M/*"},{ua:"SM-G130M"}],dpi:[165.9,164.8],bw:3,ac:500},{type:"android",rules:[{mdmh:"samsung/*/SM-G928I/*"},{ua:"SM-G928I"}],dpi:[515.1,518.4],bw:3,ac:1E3},{type:"android",rules:[{mdmh:"samsung/*/SM-G920F/*"},{ua:"SM-G920F"}],dpi:580.6,bw:3,ac:500},{type:"android",rules:[{mdmh:"samsung/*/SM-G920P/*"},{ua:"SM-G920P"}],dpi:[522.5,577],bw:3,ac:1E3},{type:"android",rules:[{mdmh:"samsung/*/SM-G925F/*"},{ua:"SM-G925F"}],dpi:580.6,bw:3,ac:500},
{type:"android",rules:[{mdmh:"samsung/*/SM-G925V/*"},{ua:"SM-G925V"}],dpi:[522.5,576.6],bw:3,ac:1E3},{type:"android",rules:[{mdmh:"samsung/*/SM-G930F/*"},{ua:"SM-G930F"}],dpi:576.6,bw:3,ac:1E3},{type:"android",rules:[{mdmh:"samsung/*/SM-G935F/*"},{ua:"SM-G935F"}],dpi:533,bw:3,ac:500},{type:"android",rules:[{mdmh:"samsung/*/SM-G950F/*"},{ua:"SM-G950F"}],dpi:[562.707,565.293],bw:3,ac:500},{type:"android",rules:[{mdmh:"samsung/*/SM-G955U/*"},{ua:"SM-G955U"}],dpi:[522.514,525.762],bw:3,ac:500},{type:"android",
rules:[{mdmh:"samsung/*/SM-G955F/*"},{ua:"SM-G955F"}],dpi:[522.514,525.762],bw:3,ac:500},{type:"android",rules:[{mdmh:"samsung/*/SM-G960F/*"},{ua:"SM-G960F"}],dpi:[569.575,571.5],bw:3,ac:1E3},{type:"android",rules:[{mdmh:"samsung/*/SM-G9600/*"},{ua:"SM-G9600"}],dpi:[569.575,571.5],bw:3,ac:1E3},{type:"android",rules:[{mdmh:"samsung/*/SM-G960T/*"},{ua:"SM-G960T"}],dpi:[569.575,571.5],bw:3,ac:1E3},{type:"android",rules:[{mdmh:"samsung/*/SM-G960N/*"},{ua:"SM-G960N"}],dpi:[569.575,571.5],bw:3,ac:1E3},
{type:"android",rules:[{mdmh:"samsung/*/SM-G960U/*"},{ua:"SM-G960U"}],dpi:[569.575,571.5],bw:3,ac:1E3},{type:"android",rules:[{mdmh:"samsung/*/SM-G9608/*"},{ua:"SM-G9608"}],dpi:[569.575,571.5],bw:3,ac:1E3},{type:"android",rules:[{mdmh:"samsung/*/SM-G960FD/*"},{ua:"SM-G960FD"}],dpi:[569.575,571.5],bw:3,ac:1E3},{type:"android",rules:[{mdmh:"samsung/*/SM-G960W/*"},{ua:"SM-G960W"}],dpi:[569.575,571.5],bw:3,ac:1E3},{type:"android",rules:[{mdmh:"samsung/*/SM-G965F/*"},{ua:"SM-G965F"}],dpi:529,bw:2,ac:1E3},
{type:"android",rules:[{mdmh:"Sony/*/C6903/*"},{ua:"C6903"}],dpi:[442.5,443.3],bw:3,ac:500},{type:"android",rules:[{mdmh:"Sony/*/D6653/*"},{ua:"D6653"}],dpi:[428.6,427.6],bw:3,ac:1E3},{type:"android",rules:[{mdmh:"Sony/*/E6653/*"},{ua:"E6653"}],dpi:[428.6,425.7],bw:3,ac:1E3},{type:"android",rules:[{mdmh:"Sony/*/E6853/*"},{ua:"E6853"}],dpi:[403.4,401.9],bw:3,ac:1E3},{type:"android",rules:[{mdmh:"Sony/*/SGP321/*"},{ua:"SGP321"}],dpi:[224.7,224.1],bw:3,ac:500},{type:"android",rules:[{mdmh:"TCT/*/ALCATEL 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}]};ca.prototype.getDeviceParams=function(){return this.deviceParams};ca.prototype.recalculateDeviceParams_=function(){var d=this.calcDeviceParams_();if(d){if(this.deviceParams=d,this.onDeviceParamsUpdated)this.onDeviceParamsUpdated(this.deviceParams)}else console.error("Failed to recalculate device parameters.")};ca.prototype.calcDeviceParams_=function(){var d=this.dpdb;if(!d)return console.error("DPDB not available."),null;if(1!=d.format)return console.error("DPDB has unexpected format version."),
null;if(!d.devices||!d.devices.length)return console.error("DPDB does not have a devices section."),null;var r=navigator.userAgent||navigator.vendor||window.opera,u=gb(),A=hb();if(!d.devices)return console.error("DPDB has no devices section."),null;for(var J=0;J<d.devices.length;J++){var D=d.devices[J];if(!D.rules)console.warn("Device["+J+"] has no rules section.");else if("ios"!=D.type&&"android"!=D.type)console.warn("Device["+J+"] has invalid type.");else if(fa()==("ios"==D.type)){for(var E=!1,
S=0;S<D.rules.length;S++)if(this.ruleMatches_(D.rules[S],r,u,A)){E=!0;break}if(E)return new ma({xdpi:D.dpi[0]||D.dpi,ydpi:D.dpi[1]||D.dpi,bevelMm:D.bw})}}console.warn("No DPDB device match.");return null};ca.prototype.ruleMatches_=function(d,r,u,A){if(!d.ua&&!d.res)return!1;d.ua&&"SM"===d.ua.substring(0,2)&&(d.ua=d.ua.substring(0,7));if(d.ua&&0>r.indexOf(d.ua))return!1;if(d.res){if(!d.res[0]||!d.res[1])return!1;r=d.res[0];d=d.res[1];if(Math.min(u,A)!=Math.min(r,d)||Math.max(u,A)!=Math.max(r,d))return!1}return!0};
na.prototype.set=function(d,r){this.sample=d;this.timestampS=r};na.prototype.copy=function(d){this.set(d.sample,d.timestampS)};ta.prototype.addAccelMeasurement=function(d,r){this.currentAccelMeasurement.set(d,r)};ta.prototype.addGyroMeasurement=function(d,r){this.currentGyroMeasurement.set(d,r);d=r-this.previousGyroMeasurement.timestampS;isNaN(d)||.001>=d||1<d||this.run_();this.previousGyroMeasurement.copy(this.currentGyroMeasurement)};ta.prototype.run_=function(){if(this.isOrientationInitialized){var d=
this.gyroToQuaternionDelta_(this.currentGyroMeasurement.sample,this.currentGyroMeasurement.timestampS-this.previousGyroMeasurement.timestampS);this.gyroIntegralQ.multiply(d);this.filterQ.copy(this.previousFilterQ);this.filterQ.multiply(d);d=new oa;d.copy(this.filterQ);d.inverse();this.estimatedGravity.set(0,0,-1);this.estimatedGravity.applyQuaternion(d);this.estimatedGravity.normalize();this.measuredGravity.copy(this.currentAccelMeasurement.sample);this.measuredGravity.normalize();d=new oa;d.setFromUnitVectors(this.estimatedGravity,
this.measuredGravity);d.inverse();if(this.isDebug){var r=console,u=r.log;if(1<d.w){console.warn("getQuaternionAngle: w > 1");var A=0}else A=2*Math.acos(d.w);u.call(r,"Delta: %d deg, G_est: (%s, %s, %s), G_meas: (%s, %s, %s)",Oa*A,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))}r=new oa;r.copy(this.filterQ);r.multiply(d);this.filterQ.slerp(r,
1-this.kFilter);this.previousFilterQ.copy(this.filterQ)}else this.accelQ=this.accelToQuaternion_(this.currentAccelMeasurement.sample),this.previousFilterQ.copy(this.accelQ),this.isOrientationInitialized=!0};ta.prototype.getOrientation=function(){return this.filterQ};ta.prototype.accelToQuaternion_=function(d){var r=new Aa;r.copy(d);r.normalize();d=new oa;d.setFromUnitVectors(new Aa(0,0,-1),r);d.inverse();return d};ta.prototype.gyroToQuaternionDelta_=function(d,r){var u=new oa,A=new Aa;A.copy(d);A.normalize();
u.setFromAxisAngle(A,d.length()*r);return u};ua.prototype.getPrediction=function(d,r,u){if(!this.previousTimestampS)return this.previousQ.copy(d),this.previousTimestampS=u,d;var A=new Aa;A.copy(r);A.normalize();r=r.length();if(r<20*Na)return this.isDebug&&console.log("Moving slowly, at %s deg/s: no prediction",(Oa*r).toFixed(1)),this.outQ.copy(d),this.previousQ.copy(d),this.outQ;this.deltaQ.setFromAxisAngle(A,r*this.predictionTimeS);this.outQ.copy(this.previousQ);this.outQ.multiply(this.deltaQ);this.previousQ.copy(d);
this.previousTimestampS=u;return this.outQ};wa.prototype.getPosition=function(){return null};wa.prototype.getOrientation=function(){var d=void 0;if(this.isWithoutDeviceMotion&&this._deviceOrientationQ){this.deviceOrientationFixQ=this.deviceOrientationFixQ||function(){var u=(new oa).setFromAxisAngle(new Aa(0,0,-1),0),A=new oa;-90===window.orientation?A.setFromAxisAngle(new Aa(0,1,0),Math.PI/-2):A.setFromAxisAngle(new Aa(0,1,0),Math.PI/2);return u.multiply(A)}();this.deviceOrientationFilterToWorldQ=
this.deviceOrientationFilterToWorldQ||function(){var u=new oa;u.setFromAxisAngle(new Aa(1,0,0),-Math.PI/2);return u}();d=this._deviceOrientationQ;var r=new oa;r.copy(d);r.multiply(this.deviceOrientationFilterToWorldQ);r.multiply(this.resetQ);r.multiply(this.worldToScreenQ);r.multiplyQuaternions(this.deviceOrientationFixQ,r);this.yawOnly&&(r.x=0,r.z=0,r.normalize());this.orientationOut_[0]=r.x;this.orientationOut_[1]=r.y;this.orientationOut_[2]=r.z;this.orientationOut_[3]=r.w;return this.orientationOut_}d=
this.filter.getOrientation();d=this.posePredictor.getPrediction(d,this.gyroscope,this.previousTimestampS);r=new oa;r.copy(this.filterToWorldQ);r.multiply(this.resetQ);r.multiply(d);r.multiply(this.worldToScreenQ);this.yawOnly&&(r.x=0,r.z=0,r.normalize());this.orientationOut_[0]=r.x;this.orientationOut_[1]=r.y;this.orientationOut_[2]=r.z;this.orientationOut_[3]=r.w;return this.orientationOut_};wa.prototype.resetPose=function(){this.resetQ.copy(this.filter.getOrientation());this.resetQ.x=0;this.resetQ.y=
0;this.resetQ.z*=-1;this.resetQ.normalize();va()&&this.resetQ.multiply(this.inverseWorldToScreenQ);this.resetQ.multiply(this.originalPoseAdjustQ)};wa.prototype.onDeviceOrientation_=function(d){this._deviceOrientationQ=this._deviceOrientationQ||new oa;var r=d.alpha,u=d.beta;d=d.gamma;r=(r||0)*Math.PI/180;u=(u||0)*Math.PI/180;d=(d||0)*Math.PI/180;this._deviceOrientationQ.setFromEulerYXZ(u,r,-d)};wa.prototype.onDeviceMotion_=function(d){this.updateDeviceMotion_(d)};wa.prototype.updateDeviceMotion_=function(d){var r=
d.accelerationIncludingGravity,u=d.rotationRate;d=d.timeStamp/1E3;var A=d-this.previousTimestampS;0>A?Nb("fusion-pose-sensor:invalid:non-monotonic","Invalid timestamps detected: non-monotonic timestamp from devicemotion"):.001>=A||1<A?Nb("fusion-pose-sensor:invalid:outside-threshold","Invalid timestamps detected: Timestamp from devicemotion outside expected range."):(this.accelerometer.set(-r.x,-r.y,-r.z),u&&(Ua()?this.gyroscope.set(-u.beta,u.alpha,u.gamma):this.gyroscope.set(u.alpha,u.beta,u.gamma),
this.isDeviceMotionInRadians||this.gyroscope.multiplyScalar(Math.PI/180),this.filter.addGyroMeasurement(this.gyroscope,d)),this.filter.addAccelMeasurement(this.accelerometer,d));this.previousTimestampS=d};wa.prototype.onOrientationChange_=function(d){this.setScreenTransform_()};wa.prototype.onMessage_=function(d){(d=d.data)&&d.type&&"devicemotion"===d.type.toLowerCase()&&this.updateDeviceMotion_(d.deviceMotionEvent)};wa.prototype.setScreenTransform_=function(){this.worldToScreenQ.set(0,0,0,1);switch(window.orientation){case 90:this.worldToScreenQ.setFromAxisAngle(new Aa(0,
0,1),-Math.PI/2);break;case -90:this.worldToScreenQ.setFromAxisAngle(new Aa(0,0,1),Math.PI/2)}this.inverseWorldToScreenQ.copy(this.worldToScreenQ);this.inverseWorldToScreenQ.inverse()};wa.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);var d;if(d=fa()){d=window.self!==
window.top;var r=hc(document.referrer),u=hc(window.location.href);d=d&&r!==u}d&&window.addEventListener("message",this.onMessageCallback_);window.addEventListener("orientationchange",this.onOrientationChangeCallback_);this.isWithoutDeviceMotion?window.addEventListener("deviceorientation",this.onDeviceOrientationCallback_):window.addEventListener("devicemotion",this.onDeviceMotionCallback_)};wa.prototype.stop=function(){window.removeEventListener("devicemotion",this.onDeviceMotionCallback_);window.removeEventListener("deviceorientation",
this.onDeviceOrientationCallback_);window.removeEventListener("orientationchange",this.onOrientationChangeCallback_);window.removeEventListener("message",this.onMessageCallback_)};var Jc=new Aa(1,0,0),Kc=new Aa(0,0,1),Ob=new oa;Ob.setFromAxisAngle(Jc,-Math.PI/2);Ob.multiply((new oa).setFromAxisAngle(Kc,Math.PI/2));var Ec=function(){function d(r){if(!(this instanceof d))throw new TypeError("Cannot call a class as a function");this.config=r;this.fusionSensor=this.sensor=null;this._out=new Float32Array(4);
this.api=null;this.errors=[];this._sensorQ=new oa;this._outQ=new oa;this._onSensorRead=this._onSensorRead.bind(this);this._onSensorError=this._onSensorError.bind(this);this.init()}ra(d,[{key:"init",value:function(){var r=null;try{r=new RelativeOrientationSensor({frequency:60,referenceFrame:"screen"}),r.addEventListener("error",this._onSensorError)}catch(u){this.errors.push(u),"SecurityError"===u.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"===u.name?this.useDeviceMotion():console.error(u)}r&&(this.api="sensor",this.sensor=r,this.sensor.addEventListener("reading",this._onSensorRead),this.sensor.start())}},{key:"useDeviceMotion",value:function(){this.api="devicemotion";this.fusionSensor=new wa(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 r=this.sensor.quaternion;this._sensorQ.set(r[0],r[1],r[2],r[3]);r=this._outQ;r.copy(Ob);r.multiply(this._sensorQ);this.config.YAW_ONLY&&(r.x=r.z=0,r.normalize());this._out[0]=r.x;this._out[1]=r.y;this._out[2]=r.z;this._out[3]=r.w;return this._out}},
{key:"_onSensorError",value:function(r){this.errors.push(r.error);"NotAllowedError"===r.error.name?console.error("Permission to access sensor was denied"):"NotReadableError"===r.error.name?console.error("Sensor could not be read"):console.error(r.error);this.useDeviceMotion()}},{key:"_onSensorRead",value:function(){}}]);return d}();Da.prototype.show=function(d){d||this.overlay.parentElement?d&&(this.overlay.parentElement&&this.overlay.parentElement!=d&&this.overlay.parentElement.removeChild(this.overlay),
d.appendChild(this.overlay)):document.body.appendChild(this.overlay);this.overlay.style.display="block";d=this.overlay.querySelector("img").style;va()?(d.width="20%",d.marginLeft="40%",d.marginTop="3%"):(d.width="50%",d.marginLeft="25%",d.marginTop="25%")};Da.prototype.hide=function(){this.overlay.style.display="none"};Da.prototype.showTemporarily=function(d,r){this.show(r);this.timer=setTimeout(this.hide.bind(this),d)};Da.prototype.disableShowTemporarily=function(){clearTimeout(this.timer)};Da.prototype.update=
function(){this.disableShowTemporarily();!va()&&Lb()?this.show():this.hide()};Da.prototype.loadIcon_=function(){this.icon="data:image/svg+xml,"+encodeURIComponent("<svg width='198' height='240' viewBox='0 0 198 240' xmlns='http://www.w3.org/2000/svg'><g fill='none' fill-rule='evenodd'><path d='M149.625 109.527l6.737 3.891v.886c0 .177.013.36.038.549.01.081.02.162.027.242.14 1.415.974 2.998 2.105 3.999l5.72 5.062.081-.09s4.382-2.53 5.235-3.024l25.97 14.993v54.001c0 .771-.386 1.217-.948 1.217-.233 0-.495-.076-.772-.236l-23.967-13.838-.014.024-27.322 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 4.556-.037-.063v27.59c0 .772-.386 1.217-.948 1.217-.232 0-.495-.076-.772-.236l-42.473-24.522c-.95-.549-1.72-1.877-1.72-2.967v-1.035l-.021.047a5.111 5.111 0 0 0-1.816-.399 5.682 5.682 0 0 0-.546.001 13.724 13.724 0 0 1-1.918-.041c-1.655-.153-3.2-.6-4.404-1.296l-46.576-26.89.005.012-10.278-18.75c-1.001-1.827-.241-4.216 1.698-5.336l56.011-32.345a4.194 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V.source!==D.source&&(V.source=D.source);for(D=0;4>D;D++)V.leftBounds[D]=E[D],V.rightBounds[D]=S[D];u.wrapForFullscreen(u.layer_.source);u.updatePresent_();A()}else{u.layer_={predistorted:D.predistorted,source:D.source,leftBounds:E.slice(0),rightBounds:S.slice(0)};u.waitingForPresent_=!1;if(u.layer_&&u.layer_.source){var U=u.wrapForFullscreen(u.layer_.source);u.addFullscreenListeners_(U,function(){u.isPresenting=U===(document.fullscreenElement||document.webkitFullscreenElement||document.mozFullScreenElement||
document.msFullscreenElement);u.isPresenting?(screen.orientation&&screen.orientation.lock&&screen.orientation.lock("landscape-primary").catch(function(Z){console.error("screen.orientation.lock() failed due to",Z.message)}),u.waitingForPresent_=!1,u.beginPresent_(),A()):(screen.orientation&&screen.orientation.unlock&&screen.orientation.unlock(),u.removeFullscreenWrapper(),u.disableWakeLock(),u.endPresent_(),u.removeFullscreenListeners_());u.fireVRDisplayPresentChange_()},function(){u.waitingForPresent_&&
(u.removeFullscreenWrapper(),u.removeFullscreenListeners_(),u.disableWakeLock(),u.waitingForPresent_=!1,u.isPresenting=!1,J(Error("Unable to present.")))});if(Fc(U))u.enableWakeLock(),u.waitingForPresent_=!0;else if(fa()||Pa())u.enableWakeLock(),u.isPresenting=!0,u.beginPresent_(),u.fireVRDisplayPresentChange_(),A()}u.waitingForPresent_||fa()||(gc(),J(Error("Unable to present.")))}}else A()}else J(Error("VRDisplay is not capable of presenting."))})};ka.prototype.exitPresent=function(){var d=this.isPresenting,
r=this;this.isPresenting=!1;this.layer_=null;this.disableWakeLock();return new Promise(function(u,A){d?(!gc()&&fa()&&(r.endPresent_(),r.fireVRDisplayPresentChange_()),Pa()&&(r.removeFullscreenWrapper(),r.removeFullscreenListeners_(),r.endPresent_(),r.fireVRDisplayPresentChange_()),u()):A(Error("Was not presenting to VRDisplay."))})};ka.prototype.getLayers=function(){return this.layer_?[this.layer_]:[]};ka.prototype.fireVRDisplayPresentChange_=function(){var d=new CustomEvent("vrdisplaypresentchange",
{detail:{display:this}});window.dispatchEvent(d)};ka.prototype.fireVRDisplayConnect_=function(){var d=new CustomEvent("vrdisplayconnect",{detail:{display:this}});window.dispatchEvent(d)};ka.prototype.addFullscreenListeners_=function(d,r,u){this.removeFullscreenListeners_();this.fullscreenEventTarget_=d;this.fullscreenChangeHandler_=r;this.fullscreenErrorHandler_=u;r&&(document.fullscreenEnabled?d.addEventListener("fullscreenchange",r,!1):document.webkitFullscreenEnabled?d.addEventListener("webkitfullscreenchange",
r,!1):document.mozFullScreenEnabled?document.addEventListener("mozfullscreenchange",r,!1):document.msFullscreenEnabled&&d.addEventListener("msfullscreenchange",r,!1));u&&(document.fullscreenEnabled?d.addEventListener("fullscreenerror",u,!1):document.webkitFullscreenEnabled?d.addEventListener("webkitfullscreenerror",u,!1):document.mozFullScreenEnabled?document.addEventListener("mozfullscreenerror",u,!1):document.msFullscreenEnabled&&d.addEventListener("msfullscreenerror",u,!1))};ka.prototype.removeFullscreenListeners_=
function(){if(this.fullscreenEventTarget_){var d=this.fullscreenEventTarget_;if(this.fullscreenChangeHandler_){var r=this.fullscreenChangeHandler_;d.removeEventListener("fullscreenchange",r,!1);d.removeEventListener("webkitfullscreenchange",r,!1);document.removeEventListener("mozfullscreenchange",r,!1);d.removeEventListener("msfullscreenchange",r,!1)}this.fullscreenErrorHandler_&&(r=this.fullscreenErrorHandler_,d.removeEventListener("fullscreenerror",r,!1),d.removeEventListener("webkitfullscreenerror",
r,!1),document.removeEventListener("mozfullscreenerror",r,!1),d.removeEventListener("msfullscreenerror",r,!1));this.fullscreenErrorHandler_=this.fullscreenChangeHandler_=this.fullscreenEventTarget_=null}};ka.prototype.enableWakeLock=function(){this.wakelock_&&this.wakelock_.enable()};ka.prototype.disableWakeLock=function(){this.wakelock_&&this.wakelock_.disable()};ka.prototype.beginPresent_=function(){};ka.prototype.endPresent_=function(){};ka.prototype.submitFrame=function(d){};ka.prototype.getEyeParameters=
function(d){return null};var Dc={ADDITIONAL_VIEWERS:[],DEFAULT_VIEWER:"",MOBILE_WAKE_LOCK:!0,DEBUG:!1,DPDB_URL:"https://dpdb.webvr.rocks/dpdb.json",K_FILTER:.98,PREDICTION_TIME_S:.04,CARDBOARD_UI_DISABLED:!1,ROTATE_INSTRUCTIONS_DISABLED:!1,YAW_ONLY:!1,BUFFER_SCALE:.5,DIRTY_SUBMIT_FRAME_BINDINGS:!1};da.prototype=Object.create(ka.prototype);da.prototype._getPose=function(){return{position:null,orientation:this.poseSensor_.getOrientation(),linearVelocity:null,linearAcceleration:null,angularVelocity:null,
angularAcceleration:null}};da.prototype._resetPose=function(){this.poseSensor_.resetPose&&this.poseSensor_.resetPose()};da.prototype._getFieldOfView=function(d){if("left"==d)d=this.deviceInfo_.getFieldOfViewLeftEye();else if("right"==d)d=this.deviceInfo_.getFieldOfViewRightEye();else return console.error("Invalid eye provided: %s",d),null;return d};da.prototype._getEyeOffset=function(d){if("left"==d)d=[.5*-this.deviceInfo_.viewer.interLensDistance,0,0];else if("right"==d)d=[.5*this.deviceInfo_.viewer.interLensDistance,
0,0];else return console.error("Invalid eye provided: %s",d),null;return d};da.prototype.getEyeParameters=function(d){var r=this._getEyeOffset(d),u=this._getFieldOfView(d);d={offset:r,renderWidth:.5*this.deviceInfo_.device.width*this.bufferScale_,renderHeight:this.deviceInfo_.device.height*this.bufferScale_};Object.defineProperty(d,"fieldOfView",{enumerable:!0,get:function(){cb("VRFieldOfView","VRFrameData's projection matrices");return u}});return d};da.prototype.onDeviceParamsUpdated_=function(d){this.config.DEBUG&&
console.log("DPDB reported that device params were updated.");this.deviceInfo_.updateDeviceParams(d);this.distorter_&&this.distorter_.updateDeviceInfo(this.deviceInfo_)};da.prototype.updateBounds_=function(){this.layer_&&this.distorter_&&(this.layer_.leftBounds||this.layer_.rightBounds)&&this.distorter_.setTextureBounds(this.layer_.leftBounds,this.layer_.rightBounds)};da.prototype.beginPresent_=function(){var d=this.layer_.source.getContext("webgl");d||(d=this.layer_.source.getContext("experimental-webgl"));
d||(d=this.layer_.source.getContext("webgl2"));d&&(this.layer_.predistorted?this.config.CARDBOARD_UI_DISABLED||(d.canvas.width=gb()*this.bufferScale_,d.canvas.height=hb()*this.bufferScale_,this.cardboardUI_=new B(d)):(this.config.CARDBOARD_UI_DISABLED||(this.cardboardUI_=new B(d)),this.distorter_=new y(d,this.cardboardUI_,this.config.BUFFER_SCALE,this.config.DIRTY_SUBMIT_FRAME_BINDINGS),this.distorter_.updateDeviceInfo(this.deviceInfo_)),this.cardboardUI_&&this.cardboardUI_.listen(function(r){this.viewerSelector_.show(this.layer_.source.parentElement);
r.stopPropagation();r.preventDefault()}.bind(this),function(r){this.exitPresent();r.stopPropagation();r.preventDefault()}.bind(this)),this.rotateInstructions_&&(va()&&Lb()?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_())};da.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)};da.prototype.updatePresent_=
function(){this.endPresent_();this.beginPresent_()};da.prototype.submitFrame=function(d){if(this.distorter_)this.updateBounds_(),this.distorter_.submitFrame();else if(this.cardboardUI_&&this.layer_){(d=this.layer_.source.getContext("webgl"))||(d=this.layer_.source.getContext("experimental-webgl"));d||(d=this.layer_.source.getContext("webgl2"));d=d.canvas;if(d.width!=this.lastWidth||d.height!=this.lastHeight)this.cardboardUI_.onResize();this.lastWidth=d.width;this.lastHeight=d.height;this.cardboardUI_.render()}};
da.prototype.onOrientationChange_=function(d){this.viewerSelector_.hide();this.rotateInstructions_&&this.rotateInstructions_.update();this.onResize_()};da.prototype.onResize_=function(d){this.layer_&&((d=this.layer_.source.getContext("webgl"))||(d=this.layer_.source.getContext("experimental-webgl")),d||(d=this.layer_.source.getContext("webgl2")),d.canvas.setAttribute("style","position: absolute; top: 0; left: 0; width: 100vw; height: 100vh; border: 0; margin: 0; padding: 0px; box-sizing: content-box;"),
Mb(d.canvas))};da.prototype.onViewerChanged_=function(d){this.deviceInfo_.setViewer(d);this.distorter_&&this.distorter_.updateDeviceInfo(this.deviceInfo_);this.fireVRDisplayDeviceParamsChange_()};da.prototype.fireVRDisplayDeviceParamsChange_=function(){var d=new CustomEvent("vrdisplaydeviceparamschange",{detail:{vrdisplay:this,deviceInfo:this.deviceInfo_}});window.dispatchEvent(d)};da.VRFrameData=function(){this.leftProjectionMatrix=new Float32Array(16);this.leftViewMatrix=new Float32Array(16);this.rightProjectionMatrix=
new Float32Array(16);this.rightViewMatrix=new Float32Array(16);this.pose=null};da.VRDisplay=ka;return da})}));class jc extends aa{constructor(e){super();this.global=e;this.onWindowResize=this.onWindowResize.bind(this);this.global.window.addEventListener("resize",this.onWindowResize);this.environmentBlendMode="opaque"}onBaseLayerSet(e,p){throw Error("Not implemented");}isSessionSupported(e){throw Error("Not implemented");}isFeatureSupported(e){throw Error("Not implemented");}async requestSession(e,
p){throw Error("Not implemented");}requestAnimationFrame(e){throw Error("Not implemented");}onFrameStart(e){throw Error("Not implemented");}onFrameEnd(e){throw Error("Not implemented");}doesSessionSupportReferenceSpace(e,p){throw Error("Not implemented");}requestStageBounds(){throw Error("Not implemented");}async requestFrameOfReferenceTransform(e,p){}cancelAnimationFrame(e){throw Error("Not implemented");}endSession(e){throw Error("Not implemented");}getViewport(e,p,y,B){throw Error("Not implemented");
}getProjectionMatrix(e){throw Error("Not implemented");}getBasePoseMatrix(){throw Error("Not implemented");}getBaseViewMatrix(e){throw Error("Not implemented");}getInputSources(){throw Error("Not implemented");}getInputPose(e,p,y){throw Error("Not implemented");}onWindowResize(){this.onWindowResize()}}let kc={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]}},Pb={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]}},Rc={"Daydream Controller":{mapping:"",profiles:["google-daydream","generic-trigger-touchpad"],buttons:{length:3,0:null,1:null,
2:0}},"Gear VR Controller":{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]}},"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":{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]}},"Oculus Touch (Right)":kc,"Oculus Touch (Left)":kc,"OpenVR Gamepad":{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]}}}},"Spatial Controller (Spatial Interaction Source) 045E-065A":Pb,"Spatial Controller (Spatial Interaction Source) 045E-065D":{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]}},"Windows Mixed Reality (Right)":Pb,"Windows Mixed Reality (Left)":Pb};const lc=v(.155,-.465,-.15),Sc=v(-.155,-.465,-.15),Tc=v(0,0,-.25),Uc=
v(0,0,.05),mc=v(-.08,.14,.08),nc=180/Math.PI;class Vc{constructor(){this.hand="right";this.headElbowOffset=lc;this.controllerQ=C();this.lastControllerQ=C();this.headQ=C();this.headPos=a();this.elbowPos=a();this.wristPos=a();this.lastTime=this.time=null;this.rootQ=C();this.position=a()}setHandedness(e){this.hand!=e&&(this.hand=e,this.headElbowOffset="left"==this.hand?Sc:lc)}update(e,p){this.time=Qb();e&&(Ca(this.lastControllerQ,this.controllerQ),Ca(this.controllerQ,e));p&&(F(this.headPos,p),h(this.headQ,
p));e=this.getHeadYawOrientation_();p=this.quatAngle_(this.lastControllerQ,this.controllerQ);.61<p/((this.time-this.lastTime)/1E3)?O(this.rootQ,this.rootQ,e,Math.min(p/.175,1)):Ca(this.rootQ,e);e=v(0,0,-1);t(e,e,this.controllerQ);e=l(e,[0,1,0]);e=this.clamp_((e-.12)/.87,0,1);var y=ia(this.rootQ);R(y,y);I(y,y,this.controllerQ);p=this.elbowPos;x(p,this.headPos);b(p,p,this.headElbowOffset);var B=k(mc);c(B,B,e);b(p,p,B);B=this.quatAngle_(y,C())*nc;var H=(1-Math.pow(B/180,4))*(.4+.24*e);B=C();O(B,B,y,
H);H=R(C(),B);y=ia(y);I(y,y,H);H=this.wristPos;x(H,Uc);t(H,H,B);b(H,H,Tc);t(H,H,y);b(H,H,p);p=k(mc);c(p,p,e);b(this.position,this.wristPos,p);t(this.position,this.position,this.rootQ);this.lastTime=this.time}getPosition(){return this.position}getHeadYawOrientation_(){var e=a();P(e,this.headQ,"YXZ");var p=C(),y=e[1]*nc;e=.5*Math.PI/180;var B=0*e;y*=e;var H=0*e;e=Math.sin(B);B=Math.cos(B);let L=Math.sin(y);y=Math.cos(y);let M=Math.sin(H);H=Math.cos(H);p[0]=e*y*H-B*L*M;p[1]=B*L*H+e*y*M;p[2]=B*y*M-e*
L*H;p[3]=B*y*H+e*L*M;return p}clamp_(e,p,y){return Math.min(Math.max(e,p),y)}quatAngle_(e,p){let y=[0,0,-1];var B=[0,0,-1];t(y,y,e);t(B,B,p);e=v(y[0],y[1],y[2]);B=v(B[0],B[1],B[2]);m(e,e);m(B,B);B=l(e,B);B=1<B?0:-1>B?Math.PI:Math.acos(B);return B}}const Ja=Symbol("@@webxr-polyfill/XRRemappedGamepad"),oc={pressed:!1,touched:!1,value:0};Object.freeze(oc);class Wc{constructor(e,p,y){y||(y={});if(y.userAgentOverrides)for(var B in y.userAgentOverrides)if(navigator.userAgent.includes(B)){B=y.userAgentOverrides[B];
for(var H in B)H in y?Object.assign(y[H],B[H]):y[H]=B[H];break}H=Array(y.axes&&y.axes.length?y.axes.length:e.axes.length);B=Array(y.buttons&&y.buttons.length?y.buttons.length:e.buttons.length);let L=null;if(y.gripTransform){var M=y.gripTransform.orientation||[0,0,0,1];L=f();N(L,za(M,M),y.gripTransform.position||[0,0,0])}M=null;if(y.targetRayTransform){var T=y.targetRayTransform.orientation||[0,0,0,1];M=f();N(M,za(T,T),y.targetRayTransform.position||[0,0,0])}T=y.profiles;y.displayProfiles&&p.displayName in
y.displayProfiles&&(T=y.displayProfiles[p.displayName]);this[Ja]={gamepad:e,map:y,profiles:T||[e.id],mapping:y.mapping||e.mapping,axes:H,buttons:B,gripTransform:L,targetRayTransform:M};this._update()}_update(){let e=this[Ja].gamepad,p=this[Ja].map;var y=this[Ja].axes;for(var B=0;B<y.length;++B)y[B]=p.axes&&B in p.axes?null===p.axes[B]?0:e.axes[p.axes[B]]:e.axes[B];if(p.axes&&p.axes.invert)for(let H of p.axes.invert)H<y.length&&(y[H]*=-1);y=this[Ja].buttons;for(B=0;B<y.length;++B)y[B]=p.buttons&&B in
p.buttons?null===p.buttons[B]?oc:e.buttons[p.buttons[B]]:e.buttons[B]}get id(){return""}get _profiles(){return this[Ja].profiles}get index(){return-1}get connected(){return this[Ja].gamepad.connected}get timestamp(){return this[Ja].gamepad.timestamp}get mapping(){return this[Ja].mapping}get axes(){return this[Ja].axes}get buttons(){return this[Ja].buttons}get hapticActuators(){return this[Ja].gamepad.hapticActuators}}class Xc{constructor(e,p,y=0,B=-1){this.polyfill=e;this.display=p;this.gamepad=this.nativeGamepad=
null;this.inputSource=new $b(this);this.lastPosition=a();this.emulatedPosition=!1;this.basePoseMatrix=f();this.outputMatrix=f();this.primaryButtonIndex=y;this.primaryActionPressed=!1;this.primarySqueezeButtonIndex=B;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.gamepad=(this.nativeGamepad=e)?new Wc(e,this.display,Rc[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){var e=this.nativeGamepad.pose,p=e.position;let y=e.orientation;if(!p&&!y)return;p?(this.lastPosition[0]=p[0],this.lastPosition[1]=p[1],this.lastPosition[2]=p[2]):e.hasPosition?p=this.lastPosition:(this.armModel||(this.armModel=
new Vc),this.armModel.setHandedness(this.nativeGamepad.hand),this.armModel.update(y,this.polyfill.getBasePoseMatrix()),p=this.armModel.getPosition());N(this.basePoseMatrix,y,p)}else e=this.basePoseMatrix,p=this.polyfill.getBasePoseMatrix(),e[0]=p[0],e[1]=p[1],e[2]=p[2],e[3]=p[3],e[4]=p[4],e[5]=p[5],e[6]=p[6],e[7]=p[7],e[8]=p[8],e[9]=p[9],e[10]=p[10],e[11]=p[11],e[12]=p[12],e[13]=p[13],e[14]=p[14],e[15]=p[15];return this.basePoseMatrix}getXRPose(e,p){this.updateBasePoseMatrix();switch(p){case "target-ray":e._transformBasePoseMatrix(this.outputMatrix,
this.basePoseMatrix);this.gamepad&&this.gamepad[Ja].targetRayTransform&&K(this.outputMatrix,this.outputMatrix,this.gamepad[Ja].targetRayTransform);break;case "grip":if(!this.nativeGamepad||!this.nativeGamepad.pose)return null;e._transformBasePoseMatrix(this.outputMatrix,this.basePoseMatrix);this.gamepad&&this.gamepad[Ja].gripTransform&&K(this.outputMatrix,this.outputMatrix,this.gamepad[Ja].gripTransform);break;default:return null}e._adjustForOriginOffset(this.outputMatrix);return new XRPose(new XRRigidTransform(this.outputMatrix),
this.emulatedPosition)}}const pc={highRefreshRate:!0},qc={oculus:1,openvr:1,"spatial controller (spatial interaction source)":1};let Yc=0;class Zc{constructor(e,p,y={}){this.mode=e;this.enabledFeatures=p;this.outputContext=null;this.immersive="immersive-vr"==e||"immersive-ar"==e;this.baseLayer=this.ended=null;this.id=++Yc;this.modifiedCanvasLayer=!1;this.outputContext&&(this.renderContext=this.outputContext.canvas.getContext(y.renderContextType||"2d"))}}class rc extends jc{constructor(e,p){const {canPresent:y}=
p.capabilities;super(e);this.display=p;this.frame=new e.VRFrameData;this.sessions=new Map;this.immersiveSession=null;this.canPresent=y;this.baseModelMatrix=f();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.ImageBitmapRenderingContext||!e.createImageBitmap)}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,p){const y=this.sessions.get(e),B=p.context.canvas;if(y.immersive){e=this.display.getEyeParameters("left");const H=this.display.getEyeParameters("right");B.width=2*Math.max(e.renderWidth,H.renderWidth);B.height=Math.max(e.renderHeight,H.renderHeight);this.display.requestPresent([{source:B,attributes:pc}]).then(()=>{this.global.document.body.contains(B)||(y.modifiedCanvasLayer=!0,this.global.document.body.appendChild(B),
B.style.display="block",B.style.position="absolute",B.style.width=B.style.height="1px",B.style.top=B.style.left="0px");y.baseLayer=p})}else y.baseLayer=p}isSessionSupported(e){return"immersive-ar"==e||"immersive-vr"==e&&!1===this.canPresent?!1:!0}isFeatureSupported(e){switch(e){case "viewer":return!0;case "local":return!0;case "local-floor":return!0;case "bounded":return!1;case "unbounded":return!1;default:return!1}}async requestSession(e,p){if(!this.isSessionSupported(e))return Promise.reject();
let y="immersive-vr"==e;if(y){const B=this.global.document.createElement("canvas");B.getContext("webgl");await this.display.requestPresent([{source:B,attributes:pc}])}e=new Zc(e,p,{renderContextType:this.HAS_BITMAP_SUPPORT?"bitmaprenderer":"2d"});this.sessions.set(e.id,e);y&&(this.immersiveSession=e,this.dispatchEvent("@@webxr-polyfill/vr-present-start",e.id));return Promise.resolve(e.id)}requestAnimationFrame(e){return this.display.requestAnimationFrame(e)}getPrimaryButtonIndex(e){let p=0,y=e.id.toLowerCase();
for(let B in qc)if(y.includes(B)){p=qc[B];break}return Math.min(p,e.buttons.length-1)}onFrameStart(e,p){this.display.depthNear=p.depthNear;this.display.depthFar=p.depthFar;this.display.getFrameData(this.frame);e=this.sessions.get(e);if(e.immersive&&this.CAN_USE_GAMEPAD){let B=this.gamepadInputSources;this.gamepadInputSources={};let H=this.global.navigator.getGamepads();for(let L=0;L<H.length;++L){var y=H[L];if(y&&0<y.displayId){let M=B[L];M||(M=new Xc(this,this.display,this.getPrimaryButtonIndex(y)));
M.updateFromGamepad(y);this.gamepadInputSources[L]=M;if(-1!=M.primaryButtonIndex){let T=y.buttons[M.primaryButtonIndex].pressed;T&&!M.primaryActionPressed?this.dispatchEvent("@@webxr-polyfill/input-select-start",{sessionId:e.id,inputSource:M.inputSource}):!T&&M.primaryActionPressed&&this.dispatchEvent("@@webxr-polyfill/input-select-end",{sessionId:e.id,inputSource:M.inputSource});M.primaryActionPressed=T}-1!=M.primarySqueezeButtonIndex&&((y=y.buttons[M.primarySqueezeButtonIndex].pressed)&&!M.primarySqueezeActionPressed?
this.dispatchEvent("@@webxr-polyfill/input-squeeze-start",{sessionId:e.id,inputSource:M.inputSource}):!y&&M.primarySqueezeActionPressed&&this.dispatchEvent("@@webxr-polyfill/input-squeeze-end",{sessionId:e.id,inputSource:M.inputSource}),M.primarySqueezeActionPressed=y)}}}!e.immersive&&e.baseLayer&&(e=e.baseLayer.context.canvas,q(this.frame.leftProjectionMatrix,p.inlineVerticalFieldOfView,e.width/e.height,p.depthNear,p.depthFar))}onFrameEnd(e){e=this.sessions.get(e);if(!e.ended&&e.baseLayer){if(e.outputContext&&
(!e.immersive||this.display.capabilities.hasExternalDisplay)){const y=e.baseLayer.context.canvas,B=e.immersive&&this.display.capabilities.hasExternalDisplay?y.width/2:y.width,H=y.height;var p=e.outputContext.canvas;const L=p.width;p=p.height;const M=e.renderContext;this.HAS_BITMAP_SUPPORT?y.transferToImageBitmap?M.transferFromImageBitmap(y.transferToImageBitmap()):this.global.createImageBitmap(y,0,0,B,H,{resizeWidth:L,resizeHeight:p}).then(T=>M.transferFromImageBitmap(T)):M.drawImage(y,0,0,B,H,0,
0,L,p)}e.immersive&&e.baseLayer&&this.display.submitFrame()}}cancelAnimationFrame(e){this.display.cancelAnimationFrame(e)}async endSession(e){e=this.sessions.get(e);if(!e.ended){if(e.immersive)return this.display.exitPresent();e.ended=!0}}doesSessionSupportReferenceSpace(e,p){e=this.sessions.get(e);return e.ended?!1:e.enabledFeatures.has(p)}requestStageBounds(){if(this.display.stageParameters){const e=this.display.stageParameters.sizeX,p=this.display.stageParameters.sizeZ,y=[];y.push(-e/2);y.push(-p/
2);y.push(e/2);y.push(-p/2);y.push(e/2);y.push(p/2);y.push(-e/2);y.push(p/2);return y}return null}async requestFrameOfReferenceTransform(e,p){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 Error("eye must be of type 'left' or 'right'");}getViewport(e,p,y,B){e=this.sessions.get(e);const {width:H,height:L}=y.context.canvas;if(!e.immersive)return B.x=B.y=0,B.width=H,B.height=L,!0;if("left"===p||"none"===p)B.x=0;else if("right"===p)B.x=H/2;else return!1;B.y=0;B.width=H/2;B.height=L;return!0}getBasePoseMatrix(){let {position:e,orientation:p}=this.frame.pose;if(!e&&!p)return this.baseModelMatrix;e||(e=this.tempVec3,e[0]=e[1]=e[2]=0);N(this.baseModelMatrix,p,e);return this.baseModelMatrix}getBaseViewMatrix(e){if("left"===
e||"none"===e)return this.frame.leftViewMatrix;if("right"===e)return this.frame.rightViewMatrix;throw Error("eye must be of type 'left' or 'right'");}getInputSources(){let e=[];for(let p in this.gamepadInputSources)e.push(this.gamepadInputSources[p].inputSource);return e}getInputPose(e,p,y){if(!p)return null;for(let B in this.gamepadInputSources){let H=this.gamepadInputSources[B];if(H.inputSource===e)return H.getXRPose(p,y)}return null}onWindowResize(){}onVRDisplayPresentChange(e){this.display.isPresenting||
this.sessions.forEach(p=>{if(p.immersive&&!p.ended){if(p.modifiedCanvasLayer){const y=p.baseLayer.context.canvas;document.body.removeChild(y);y.setAttribute("style","")}this.immersiveSession===p&&(this.immersiveSession=null);this.dispatchEvent("@@webxr-polyfill/vr-present-end",p.id)}})}}class $c extends rc{constructor(e,p){p=new Qc(p||{});super(e,p);this.display=p;this.frame={rightViewMatrix:new Float32Array(16),leftViewMatrix:new Float32Array(16),rightProjectionMatrix:new Float32Array(16),leftProjectionMatrix:new Float32Array(16),
pose:null,timestamp:null}}}let ad=0;class bd{constructor(e,p){this.mode=e;this.enabledFeatures=p;this.baseLayer=this.ended=null;this.id=++ad}}class cd extends jc{constructor(e){super(e);this.sessions=new Map;this.projectionMatrix=f();this.identityMatrix=f()}onBaseLayerSet(e,p){this.sessions.get(e).baseLayer=p}isSessionSupported(e){return"inline"==e}isFeatureSupported(e){switch(e){case "viewer":return!0;default:return!1}}async requestSession(e,p){if(!this.isSessionSupported(e))return Promise.reject();
e=new bd(e,p);this.sessions.set(e.id,e);return Promise.resolve(e.id)}requestAnimationFrame(e){return window.requestAnimationFrame(e)}cancelAnimationFrame(e){window.cancelAnimationFrame(e)}onFrameStart(e,p){e=this.sessions.get(e);e.baseLayer&&(e=e.baseLayer.context.canvas,q(this.projectionMatrix,p.inlineVerticalFieldOfView,e.width/e.height,p.depthNear,p.depthFar))}onFrameEnd(e){}async endSession(e){this.sessions.get(e).ended=!0}doesSessionSupportReferenceSpace(e,p){e=this.sessions.get(e);return e.ended?
!1:e.enabledFeatures.has(p)}requestStageBounds(){return null}async requestFrameOfReferenceTransform(e,p){return null}getProjectionMatrix(e){return this.projectionMatrix}getViewport(e,p,y,B){this.sessions.get(e);const {width:H,height:L}=y.context.canvas;B.x=B.y=0;B.width=H;B.height=L;return!0}getBasePoseMatrix(){return this.identityMatrix}getBaseViewMatrix(e){return this.identityMatrix}getInputSources(){return[]}getInputPose(e,p,y){return null}onWindowResize(){}}const dd=async function(e){let p=null;
if("getVRDisplays"in e.navigator)try{const y=await e.navigator.getVRDisplays();y&&y.length&&(p=new rc(e,y[0]))}catch(y){}return p},ed=async function(e,p){if(p.webvr){var y=await dd(e);if(y)return y}return(y=zc(e))&&p.cardboard||!y&&p.allowCardboardOnDesktop?(e.VRFrameData||(e.VRFrameData=function(){this.rightViewMatrix=new Float32Array(16);this.leftViewMatrix=new Float32Array(16);this.rightProjectionMatrix=new Float32Array(16);this.leftProjectionMatrix=new Float32Array(16);this.pose=null}),new $c(e,
p.cardboardConfig)):new cd(e)},fd={global:X,webvr:!0,cardboard:!0,cardboardConfig:null,allowCardboardOnDesktop:!1},xb=["navigator","HTMLCanvasElement","WebGLRenderingContext"];class gd{constructor(e={}){this.config=Object.freeze(Object.assign({},fd,e));this.global=this.config.global;this.nativeWebXR="xr"in this.global.navigator;this.injected=!1;this.nativeWebXR?this._injectCompatibilityShims(this.global):this._injectPolyfill(this.global)}_injectPolyfill(e){if(!xb.every(p=>!!e[p]))throw Error(`Global must have the following attributes : ${xb}`);
for(const p of Object.keys(Ib))void 0!==e[p]?console.warn(`${p} already defined on global.`):e[p]=Ib[p];bc(e.WebGLRenderingContext)&&(cc(e.HTMLCanvasElement),e.OffscreenCanvas&&cc(e.OffscreenCanvas),e.WebGL2RenderingContext&&bc(e.WebGL2RenderingContext),window.isSecureContext||console.warn("WebXR Polyfill Warning:\nThis page is not running in a secure context (https:// or localhost)!\nThis means that although the page may be able to use the WebXR Polyfill it will\nnot be able to use native WebXR implementations, and as such will not be able to\naccess dedicated VR or AR hardware, and will not be able to take advantage of\nany performance improvements a native WebXR implementation may offer. Please\nhost this content on a secure origin for the best user experience.\n"));
this.injected=!0;this._patchNavigatorXR()}_patchNavigatorXR(){let e=ed(this.global,this.config);this.xr=new Ib.XRSystem(e);Object.defineProperty(this.global.navigator,"xr",{value:this.xr,configurable:!0})}_injectCompatibilityShims(e){if(!xb.every(p=>!!e[p]))throw Error(`Global must have the following attributes : ${xb}`);if(e.navigator.xr&&"supportsSession"in e.navigator.xr&&!("isSessionSupported"in e.navigator.xr)){let p=e.navigator.xr.supportsSession;e.navigator.xr.isSessionSupported=function(y){return p.call(this,
y).then(()=>!0).catch(()=>!1)};e.navigator.xr.supportsSession=function(y){console.warn("navigator.xr.supportsSession() is deprecated. Please call navigator.xr.isSessionSupported() instead and check the boolean value returned when the promise resolves.");return p.call(this,y)}}}}return gd});function nestedArrayToCSList(f){return Array.isArray(f)?{ctype:"list",value:f.map(g=>nestedArrayToCSList(g))}:{ctype:"number",value:{real:f,imag:0}}}
function convertObjectToCindyDict(f,g,G){if(f instanceof Object&&G.has(f))return G.get(f);if(Array.isArray(f)){let F=[];f.forEach(function(h){h=convertObjectToCindyDict(h,g,G);null!=h&&F.push(h)});return{ctype:"list",value:F}}if("string"===typeof f||f instanceof String)return{ctype:"string",value:f};if("number"===typeof f&&isFinite(f))return{ctype:"number",value:{real:f,imag:0}};if("boolean"===typeof f)return{ctype:"boolean",value:f};if(null===f||"undefined"===typeof f||"function"===typeof f)return null;
let K={},N=new Map(G);N.set(f,K);for(let F in f)if(!g.has(F)&&f.hasOwnProperty(F)){let h=convertObjectToCindyDict(f[F],g,N);K[F]=h}return{ctype:"JSON",value:K}};let CindyXR=function(f){function g(h,q){let a,k;for(a in h)(k=q[a])?k(K(h[a])):console.log("Modifier "+a+" not supported")}let G=f.nada,K=f.evaluate,N=f.defineFunction,F="Cindy3D";N("initxrcindy3d",0,function(h,q){xrCindyPluginMode="Cindy3D";let a=800,k=!0;g(q,{instancename:v=>F=coerce.toString(v,"Cindy3D"),referencemode:v=>xrSetReferenceMode(coerce.toString(v,"local-floor")),scaling:v=>xrSetScalingFactor(coerce.toReal(v,1)),canvaswidth:v=>a=coerce.toReal(v,800),canvasheight:v=>a=coerce.toReal(v,
600),hidecanvas:v=>k=coerce.toBool(v,!0)});f.evaluate({ctype:"function",oper:"begin3d$0",args:[{ctype:"string",value:F}],modifs:{}});initXR(f,CindyJS._pluginRegistry.Cindy3D.instances[F].gl,a,600,k);f.evaluate({ctype:"function",oper:"end3d$0",args:[],modifs:{}});return G});N("initxrcindygl",0,function(h,q){xrCindyPluginMode="CindyGL";let a=800,k=!0;g(q,{referencemode:v=>xrSetReferenceMode(coerce.toString(v,"local-floor")),scaling:v=>xrSetScalingFactor(coerce.toReal(v,1)),canvaswidth:v=>a=coerce.toReal(v,
800),canvasheight:v=>a=coerce.toReal(v,600),hidecanvas:v=>k=coerce.toBool(v,!0)});CindyJS._pluginRegistry.CindyGL.initGLIfRequired();initXR(f,CindyJS._pluginRegistry.CindyGL.gl,a,600,k);return G});N("xr",1,function(h,q){setRenderFunction(function(){f.evaluate(h[0])});return G});N("getxrnumviews",0,function(h,q){return{ctype:"number",value:{real:xrGetNumViews(),imag:0}}});N("getxrviewportsize",1,function(h,q){h=f.evaluate(h[0]).value.real;return nestedArrayToCSList(xrGetViewportSize(h).slice(2,4))});
N("getxrviewmatrix",1,function(h,q){h=f.evaluate(h[0]).value.real;return nestedArrayToCSList(flatMatrix4ToNestedMatrix4RowMajor(xrGetViewMatrix(h)))});N("getxrprojectionmatrix",1,function(h,q){h=f.evaluate(h[0]).value.real;return nestedArrayToCSList(flatMatrix4ToNestedMatrix4ColumnMajor(xrGetProjectionMatrix(h)))});N("getxrbounds",0,function(h,q){return nestedArrayToCSList(xrGetBoundsLine())});N("getxrinputsources",0,function(h,q){return convertObjectToCindyDict(xrFilterInputSourceArray(xrGetInputSources()),
new Set([]),new Map)})};CindyXR.xrGetNumViews=xrGetNumViews;CindyXR.xrGetFramebuffer=xrGetFramebuffer;CindyXR.xrGetViewportSize=xrGetViewportSize;CindyXR.xrGetViewMatrix=xrGetViewMatrix;CindyXR.xrGetProjectionMatrix=xrGetProjectionMatrix;CindyXR.xrPreRender=xrPreRender;CindyXR.xrPostRender=xrPostRender;CindyXR.xrUpdateCindy3DCamera=xrUpdateCindy3DCamera;CindyXR.xrUpdateCindyGLView=xrUpdateCindyGLView;CindyJS.registerPlugin(1,"CindyXR",CindyXR);window.XRDeviceButton=function(){let f={};const g=F=>{var h=F.height/3;if(F.injectCSS&&!f[F.cssprefix]){var q=G(F,h),a=document.createElement("style");a.innerHTML=q;q=document.getElementsByTagName("head")[0];q.insertBefore(a,q.firstChild);f[F.cssprefix]=!0}a=document.createElement("div");F=F.cssprefix;h*=.8;q=28/18;a.innerHTML=`<button class="${F}-button">
          <div class="${F}-title"></div>
          <div class="${F}-logo" >${`<svg class="${F}-svg" version="1.1" x="0px" y="0px"
        width="${28/18*h}px" height="${h}px" viewBox="0 0 28 18" xml:space="preserve">
        <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
        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
        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,
        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,
        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
        C10.2,10.5,8.9,11.8,7.4,11.8z M20.1,11.8c-1.6,0-2.8-1.3-2.8-2.8c0-1.6,1.3-2.8,2.8-2.8C21.7
        ,6.2,23,7.4,23,9 C23,10.5,21.7,11.8,20.1,11.8z"/>
    </svg>`+`<svg class="${F}-svg-error" x="0px" y="0px"
        width="${q*h}px" height="${q*h}px" viewBox="0 0 28 28" xml:space="preserve">
        <path d="M17.6,13.4c0-0.2-0.1-0.4-0.1-0.6c0-1.6,1.3-2.8,2.8-2.8s2.8,1.3,2.8,2.8s-1.3,2.8-2.8,2.8
        c-0.2,0-0.4,0-0.6-0.1l5.9,5.9c0.5-0.2,0.9-0.4,1.3-0.8
        c0.7-0.7,1.1-1.6,1.1-2.5V7.4c0-1-0.4-1.9-1.1-2.5c-0.7-0.7-1.6-1-2.5-1
        H8.1 L17.6,13.4z"/>
        <path d="M10.1,14.2c-0.5,0.9-1.4,1.4-2.4,1.4c-1.6,0-2.8-1.3-2.8-2.8c0-1.1,0.6-2,1.4-2.5
        L0.9,5.1 C0.3,5.7,0,6.6,0,7.5v10.7c0,1,0.4,1.8,1.1,2.5c0.7,0.7,1.6,1,2.5,1
        h5c0.7,0,1.3-0.1,1.8-0.5c0.6-0.3,1-0.8,1.3-1.4l1.3-2.6 L10.1,14.2z"/>
        <path d="M25.5,27.5l-25-25C-0.1,2-0.1,1,0.5,0.4l0,0C1-0.1,2-0.1,2.6,0.4l25,25c0.6,0.6,0.6,1.5
        ,0,2.1l0,0 C27,28.1,26,28.1,25.5,27.5z"/>
    </svg>`}</div>
        </button>`;return a.firstChild},G=(F,h=18)=>{const q=F.height,a=F.background?F.background:F.color,k=F.cssprefix;let v;v="round"==F.corners?F.height/2:"square"==F.corners?2:F.corners;return`
    @font-face {
        font-family: 'Karla';
        font-style: normal;
        font-weight: 400;
        src: local('Karla'), local('Karla-Regular'),
             url(https://fonts.gstatic.com/s/karla/v5/31P4mP32i98D9CEnGyeX9Q.woff2) format('woff2');
        unicode-range: U+0100-024F, U+1E00-1EFF, U+20A0-20AB, U+20AD-20CF, U+2C60-2C7F, U+A720-A7FF;
    }
    @font-face {
        font-family: 'Karla';
        font-style: normal;
        font-weight: 400;
        src: local('Karla'), local('Karla-Regular'),
             url(https://fonts.gstatic.com/s/karla/v5/Zi_e6rBgGqv33BWF8WTq8g.woff2) format('woff2');
        unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074,
                       U+20AC, U+2212, U+2215, U+E0FF, U+EFFD, U+F000;
    }

    button.${k}-button {
        font-family: 'Karla', sans-serif;

        border: ${a} ${2}px solid;
        border-radius: ${v}px;
        box-sizing: border-box;
        background: ${F.background?F.background:"none"};

        height: ${q}px;
        min-width: ${9.6*h}px;
        display: inline-block;
        position: relative;

        cursor: pointer;
    }

    button.${k}-button:focus {
      outline: none;
    }

    /*
    * Logo
    */

    .${k}-logo {
        width: ${q}px;
        height: ${q}px;
        position: absolute;
        top:0px;
        left:0px;
        width: ${q-4}px;
        height: ${q-4}px;
    }
    .${k}-svg {
        fill: ${F.color};
        position: static;
        margin-top: ${(q-.8*h)/2-2}px;
        margin-left: ${q/3}px;
    }
    .${k}-svg-error {
        fill: ${F.color};
        position: static;
        display:none;
        margin-top: ${(q-28/18*h*.8)/2-2}px;
        margin-left: ${q/3}px;
    }


    /*
    * Title
    */

    .${k}-title {
        color: ${F.color};
        position: relative;
        font-size: ${h}px;
        padding-left: ${1.05*q}px;
        padding-right: ${5>v-10?q/3:v-10}px;
    }

    /*
    * disabled
    */

    button.${k}-button[disabled=true] {
        opacity: ${F.disabledOpacity};
    }

    button.${k}-button[disabled=true] > .${k}-logo > .${k}-svg {
        display:none;
    }

    button.${k}-button[disabled=true] > .${k}-logo > .${k}-svg-error {
        display:initial;
    }
  `};class K{constructor(F){F=F||{};F.color=F.color||"rgb(80,168,252)";F.background=F.background||!1;F.disabledOpacity=F.disabledOpacity||.5;F.height=F.height||55;F.corners=F.corners||"square";F.cssprefix=F.cssprefix||"webvr-ui";F.textEnterXRTitle=F.textEnterXRTitle||"ENTER VR";F.textXRNotFoundTitle=F.textXRNotFoundTitle||"VR NOT FOUND";F.textExitXRTitle=F.textExitXRTitle||"EXIT VR";F.onRequestSession=F.onRequestSession||function(){};F.onEndSession=F.onEndSession||function(){};F.injectCSS=!1!==F.injectCSS;
this.options=F;this._enabled=!1;this.session=null;this.domElement=F.domElement||g(F);this.__defaultDisplayStyle=this.domElement.style.display||"initial";this.domElement.addEventListener("click",()=>this.__onXRButtonClick());this.__forceDisabled=!1;this.__setDisabledAttribute(!0);this.setTitle(this.options.textXRNotFoundTitle)}set enabled(F){this._enabled=F;this.__updateButtonState();return this}get enabled(){return this._enabled}setSession(F){this.session=F;this.__updateButtonState();return this}setTitle(F){this.domElement.title=
F;N(this.domElement,this.options.cssprefix,"title",h=>{F?(h.innerText=F,h.style.display="initial"):h.style.display="none"});return this}setTooltip(F){this.domElement.title=F;return this}show(){this.domElement.style.display=this.__defaultDisplayStyle;return this}hide(){this.domElement.style.display="none";return this}enable(){this.__setDisabledAttribute(!1);this.__forceDisabled=!1;return this}disable(){this.__setDisabledAttribute(!0);this.__forceDisabled=!0;return this}remove(){this.domElement.parentElement&&
this.domElement.parentElement.removeChild(this.domElement)}__setDisabledAttribute(F){F||this.__forceDisabled?this.domElement.setAttribute("disabled","true"):this.domElement.removeAttribute("disabled")}__onXRButtonClick(){if(this.session)this.options.onEndSession(this.session);else if(this._enabled)this.options.onRequestSession()}__updateButtonState(){this.session?(this.setTitle(this.options.textExitXRTitle),this.setTooltip("Exit XR presentation"),this.__setDisabledAttribute(!1)):this._enabled?(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))}}const N=(F,h,q,a)=>{(F=F.querySelector("."+h+"-"+q))&&a(F)};return K}();const LOOK_SPEED=.0025;
class InlineViewerHelper{constructor(f,g){this.viewerHeight=this.lookPitch=this.lookYaw=0;this.canvas=f;this.refSpace=this.baseRefSpace=g;this.dirty=!1;f.style.cursor="grab";f.addEventListener("mousemove",F=>{F.buttons&1&&this.rotateView(F.movementX,F.movementY)});let G=void 0,K=void 0,N=void 0;f.addEventListener("touchstart",F=>{void 0==G&&(F=F.changedTouches[0],G=F.identifier,K=F.pageX,N=F.pageY)});f.addEventListener("touchend",F=>{for(let h of F.changedTouches)G==h.identifier&&(G=void 0,this.rotateView(h.pageX-
K,h.pageY-N))});f.addEventListener("touchcancel",F=>{for(let h of F.changedTouches)G==h.identifier&&(G=void 0)});f.addEventListener("touchmove",F=>{for(let h of F.changedTouches)G==h.identifier&&(this.rotateView(h.pageX-K,h.pageY-N),K=h.pageX,N=h.pageY)})}setHeight(f){this.viewerHeight!=f&&(this.viewerHeight=f);this.dirty=!0}rotateView(f,g){this.lookYaw+=f*LOOK_SPEED;this.lookPitch+=g*LOOK_SPEED;this.lookPitch<.5*-Math.PI&&(this.lookPitch=.5*-Math.PI);this.lookPitch>.5*Math.PI&&(this.lookPitch=.5*
Math.PI);this.dirty=!0}reset(){this.lookPitch=this.lookYaw=0;this.refSpace=this.baseRefSpace;this.dirty=!1}get referenceSpace(){if(this.dirty){var f=quat.create();quat.rotateX(f,f,-this.lookPitch);quat.rotateY(f,f,-this.lookYaw);f=new XRRigidTransform({},{x:f[0],y:f[1],z:f[2],w:f[3]});this.refSpace=this.baseRefSpace.getOffsetReferenceSpace(f);f=new XRRigidTransform({y:-this.viewerHeight});this.refSpace=this.refSpace.getOffsetReferenceSpace(f);this.dirty=!1}return this.refSpace}};let xrLastFrame=null,xrLastViewerPose=null,renderFunction=null,xrButton=null,xrImmersiveRefSpace=null,inlineViewerHelper=null,xrgl=null,xrCanvasWidth=800,xrCanvasHeight=600,xrHideCanvas=!0,xrInitialized=!1,xrCindyApi=null,xrCindyPluginMode="",xrPolyfill=null;!1==="xr"in navigator&&(console.log("WebXR polyfill loaded."),xrPolyfill=new WebXRPolyfill);let xrScalingFactor=1,xrReferenceMode="local-floor",viewMatrixTmp,projMatrixTmp,mvMatrixTmp;
function xrGetNumViews(){return xrLastViewerPose?xrLastViewerPose.views.length:0}function xrGetFramebuffer(){return xrLastFrame?xrLastFrame.session.renderState.baseLayer.framebuffer:null}function xrGetViewportSize(f){f=xrLastFrame.session.renderState.baseLayer.getViewport(xrLastViewerPose.views[f]);return[f.x,f.y,f.width,f.height]}function xrGetScalingFactor(){return xrScalingFactor}function xrSetScalingFactor(f){useRenderTargetHelpers=1!=f;xrScalingFactor=f}
function xrSetReferenceMode(f){xrReferenceMode=f}function xrGetReferenceSpace(){return xrLastFrame.session.isImmersive?xrImmersiveRefSpace:inlineViewerHelper.referenceSpace}function transpose4(f){return[f[0],f[4],f[8],f[12],f[1],f[5],f[9],f[13],f[2],f[6],f[10],f[14],f[3],f[7],f[11],f[15]]}function float32ArrayToArray(f){let g=[];for(let G=0;G<f.length;G++)g.push(f[G]);return g}function xrGetViewMatrix(f){return transpose4(float32ArrayToArray(xrLastViewerPose.views[f].transform.inverse.matrix))}
function xrGetProjectionMatrix(f){return float32ArrayToArray(xrLastViewerPose.views[f].projectionMatrix)}function setRenderFunction(f){renderFunction=f}function xrPreRender(f,g){viewMatrixTmp=g.viewMatrix.slice();projMatrixTmp=g.projectionMatrix.slice();mvMatrixTmp=g.mvMatrix.slice();useRenderTargetHelpers?recreateRenderTargetHelpersIfNecessary(f):f.bindFramebuffer(f.FRAMEBUFFER,xrGetFramebuffer())}
function xrPostRender(f,g,G,K){g.viewMatrix=viewMatrixTmp.slice();g.projectionMatrix=projMatrixTmp.slice();g.mvMatrix=mvMatrixTmp.slice();useRenderTargetHelpers&&blitHelperFramebuffersFullscreen(f,xrGetFramebuffer())}
function xrUpdateCindy3DCamera(f,g,G){if(useRenderTargetHelpers)bindHelperRenderTarget(f,g);else{let K=xrGetViewportSize(g);f.viewport(K[0],K[1],K[2],K[3])}f=transpose4(xrLastViewerPose.views[g].transform.inverse.matrix);G.projectionMatrix=xrGetProjectionMatrix(g);G.viewMatrix=f;G.modelMatrix=[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1];G.mvMatrix=mul4mm(G.viewMatrix,G.modelMatrix)}
function xrUpdateCindyGLView(f,g){useRenderTargetHelpers?(0==g&&recreateRenderTargetHelpersIfNecessary(f),bindHelperRenderTarget(f,g)):(f.bindFramebuffer(f.FRAMEBUFFER,xrGetFramebuffer()),g=xrGetViewportSize(g),f.viewport(g[0],g[1],g[2],g[3]))}function xrPostRenderCindyGL(){useRenderTargetHelpers&&blitHelperFramebuffersFullscreen(xrgl,xrGetFramebuffer())}
function initXR(f,g,G,K,N){xrCindyApi=f;xrgl=g;xrCanvasWidth=G;xrCanvasHeight=K;xrHideCanvas=N;setupCindyScriptEventCallbacks();renderFunction=cindyXrDrawCallback;xrButton=new XRDeviceButton({onRequestSession,onEndSession});document.body.appendChild(xrButton.domElement);navigator.xr&&(navigator.xr.isSessionSupported("immersive-vr").then(F=>{xrButton.enabled=F}),navigator.xr.requestSession("inline").then(onSessionStarted))}
function onRequestSession(){let f=[],g=[];"local-floor"==xrReferenceMode?(f=["local-floor"],g=["bounded-floor"]):"bounded-floor"==xrReferenceMode?f=["local-floor","bounded-floor"]:"unbounded"==xrReferenceMode&&(f=["unbounded"]);navigator.xr.requestSession("immersive-vr",{requiredFeatures:f,optionalFeatures:g}).then(G=>{xrButton.setSession(G);G.isImmersive=!0;onSessionStarted(G)})}
function initGL(){xrInitialized||(xrInitialized=!0,xrgl.canvas.width=xrCanvasWidth,xrgl.canvas.height=xrCanvasHeight,xrgl.canvas.style.display="block",xrHideCanvas&&(xrCindyApi.instance.canvas.parentNode.style.display="none"))}
function onSessionStarted(f){f.addEventListener("end",onSessionEnded);f.addEventListener("inputsourceschange",onInputSourcesChange);f.addEventListener("selectstart",onSelectStart);f.addEventListener("selectend",onSelectEnd);f.addEventListener("select",onSelect);f.addEventListener("squeezestart",onSqueezeStart);f.addEventListener("squeezeend",onSqueezeEnd);f.addEventListener("squeeze",onSqueeze);initGL();let g=new XRWebGLLayer(f,xrgl);f.updateRenderState({baseLayer:g});f.requestReferenceSpace(f.isImmersive?
xrReferenceMode:"viewer").then(G=>{f.isImmersive?xrImmersiveRefSpace=G:(inlineViewerHelper=new InlineViewerHelper(xrgl.canvas,G),inlineViewerHelper.setHeight(1.6));f.requestAnimationFrame(onXRFrame)})}function onEndSession(f){f.end()}function onSessionEnded(f){f.session.isImmersive&&xrButton.setSession(null)}function xrGetBoundsLine(){let f=[],g=xrImmersiveRefSpace.boundsGeometry.length;for(let G=0;G<g;++G){let K=xrImmersiveRefSpace.boundsGeometry[G];f.push([K.x,0,K.z])}return f}
function onXRFrame(f,g){var G=g.session;f=g.getViewerPose(G.isImmersive?xrImmersiveRefSpace:inlineViewerHelper.referenceSpace);G.requestAnimationFrame(onXRFrame);xrLastFrame=g;xrLastViewerPose=f;for(G=0;G<activeSelectInputSources.length;G++)onSelectHold(activeSelectInputSources[G]);for(G=0;G<activeSqueezeInputSources.length;G++)onSqueezeHold(activeSqueezeInputSources[G]);drawXRFrame(g,f)}function drawXRFrame(f,g){renderFunction();"CindyGL"==xrCindyPluginMode&&xrPostRenderCindyGL()}
function flatMatrix4ToNestedMatrix4RowMajor(f){return[[f[0],f[1],f[2],f[3]],[f[4],f[5],f[6],f[7]],[f[8],f[9],f[10],f[11]],[f[12],f[13],f[14],f[15]]]}function flatMatrix4ToNestedMatrix4ColumnMajor(f){return[[f[0],f[4],f[8],f[12]],[f[1],f[5],f[9],f[13]],[f[2],f[6],f[10],f[14]],[f[3],f[7],f[11],f[15]]]}function xrGetInputSources(){return xrLastFrame.session.inputSources}
function xrFilterInputSource(f,g){void 0===g&&(g=xrLastFrame);let G={position:[0,0,0,1],orientation:[0,0,0,1],matrix:[[1,0,0,0],[0,1,0,0],[0,0,1,0],[0,0,0,1]]};var K=function(N){if(null===g||null===N)return G;N=g.getPose(N,xrGetReferenceSpace());if(null===N)return G;N=N.transform;return{position:[N.position.x,N.position.y,N.position.z,N.position.w],orientation:[N.orientation.x,N.orientation.y,N.orientation.z,N.orientation.w],matrix:flatMatrix4ToNestedMatrix4ColumnMajor(N.matrix)}};K={handedness:f.handedness,
targetRayMode:f.targetRayMode,targetRaySpaceTransform:K(f.targetRaySpace),gripSpaceTransform:K(f.gripSpace),profiles:f.profiles};"undefined"!==typeof f.gamepad&&null!=f.gamepad&&(f=f.gamepad,K.gamepad={id:f.id,index:f.index,connected:f.connected,mapping:f.mapping,axes:f.axes,buttons:f.buttons});return K}function xrFilterInputSourceArray(f,g){let G=[];for(let K=0;K<f.length;K++){let N=xrFilterInputSource(f[K],g);null!==N&&G.push(N)}return G};var xrCsCompiled={};
let cindyXrDrawCallback=function(){},cindyXrInputSourcesChangeCallback=function(f,g){},cindyXrSelectStartCallback=function(f){},cindyXrSelectEndCallback=function(f){},cindyXrSelectCallback=function(f){},cindyXrSelectHoldCallback=function(f){},cindyXrSqueezeStartCallback=function(f){},cindyXrSqueezeEndCallback=function(f){},cindyXrSqueezeCallback=function(f){},cindyXrSqueezeHoldCallback=function(f){},activeSelectInputSources=[],activeSqueezeInputSources=[],setCindyScriptVariable=function(f,g){f=xrCindyApi.instance.parse(f+
" = 0",!1);f.args[1]=g;xrCindyApi.evaluate(f)};
function setupCindyScriptEventCallbacks(){xrCsCompiled=xrCindyApi.cscompiled;void 0!==xrCsCompiled.xrdraw&&(cindyXrDrawCallback=function(){xrCindyApi.evaluate(xrCsCompiled.xrdraw)});void 0!==xrCsCompiled.xrinputsourceschange&&(cindyXrInputSourcesChangeCallback=function(f,g){setCindyScriptVariable("addedinputsources",f);setCindyScriptVariable("removedinputsources",g);xrCindyApi.evaluate(xrCsCompiled.xrinputsourceschange)});void 0!==xrCsCompiled.xrselectstart&&(cindyXrSelectStartCallback=function(f){setCindyScriptVariable("inputsource",
f);xrCindyApi.evaluate(xrCsCompiled.xrselectstart)});void 0!==xrCsCompiled.xrselectend&&(cindyXrSelectEndCallback=function(f){setCindyScriptVariable("inputsource",f);xrCindyApi.evaluate(xrCsCompiled.xrselectend)});void 0!==xrCsCompiled.xrselect&&(cindyXrSelectCallback=function(f){setCindyScriptVariable("inputsource",f);xrCindyApi.evaluate(xrCsCompiled.xrselect)});void 0!==xrCsCompiled.xrselecthold&&(cindyXrSelectHoldCallback=function(f){setCindyScriptVariable("inputsource",f);xrCindyApi.evaluate(xrCsCompiled.xrselecthold)});
void 0!==xrCsCompiled.xrsqueezestart&&(cindyXrSqueezeStartCallback=function(f){setCindyScriptVariable("inputsource",f);xrCindyApi.evaluate(xrCsCompiled.xrsqueezestart)});void 0!==xrCsCompiled.xrsqueezeend&&(cindyXrSqueezeEndCallback=function(f){setCindyScriptVariable("inputsource",f);xrCindyApi.evaluate(xrCsCompiled.xrsqueezeend)});void 0!==xrCsCompiled.xrsqueeze&&(cindyXrSqueezeCallback=function(f){setCindyScriptVariable("inputsource",f);xrCindyApi.evaluate(xrCsCompiled.xrsqueeze)});void 0!==xrCsCompiled.xrsqueezehold&&
(cindyXrSqueezeHoldCallback=function(f){setCindyScriptVariable("inputsource",f);xrCindyApi.evaluate(xrCsCompiled.xrsqueezehold)})}function onInputSourcesChange(f){let g=convertObjectToCindyDict(xrFilterInputSourceArray(f.added,null),new Set([]),new Map);f=convertObjectToCindyDict(xrFilterInputSourceArray(f.removed,null),new Set([]),new Map);cindyXrInputSourcesChangeCallback(g,f)}
function onSelectStart(f){activeSelectInputSources.push(f.inputSource);f=convertObjectToCindyDict(xrFilterInputSource(f.inputSource,f.frame),new Set([]),new Map);cindyXrSelectStartCallback(f)}function onSelectEnd(f){let g=activeSelectInputSources.indexOf(f.inputSource);-1<g&&activeSelectInputSources.splice(g,1);f=convertObjectToCindyDict(xrFilterInputSource(f.inputSource,f.frame),new Set([]),new Map);cindyXrSelectEndCallback(f)}
function onSelect(f){f=convertObjectToCindyDict(xrFilterInputSource(f.inputSource,f.frame),new Set([]),new Map);cindyXrSelectCallback(f)}function onSelectHold(f){f=convertObjectToCindyDict(xrFilterInputSource(f,xrLastFrame),new Set([]),new Map);cindyXrSelectHoldCallback(f)}function onSqueezeStart(f){activeSqueezeInputSources.push(f.inputSource);f=convertObjectToCindyDict(xrFilterInputSource(f.inputSource,f.frame),new Set([]),new Map);cindyXrSqueezeStartCallback(f)}
function onSqueezeEnd(f){let g=activeSqueezeInputSources.indexOf(f.inputSource);-1<g&&activeSqueezeInputSources.splice(g,1);f=convertObjectToCindyDict(xrFilterInputSource(f.inputSource,f.frame),new Set([]),new Map);cindyXrSqueezeEndCallback(f)}function onSqueeze(f){f=convertObjectToCindyDict(xrFilterInputSource(f.inputSource,f.frame),new Set([]),new Map);cindyXrSqueezeCallback(f)}
function onSqueezeHold(f){f=convertObjectToCindyDict(xrFilterInputSource(f,xrLastFrame),new Set([]),new Map);cindyXrSqueezeHoldCallback(f)};function XRHelperRenderTarget(f,g,G,K,N){this.xrWidth=K;this.xrHeight=N;this.width=g;this.height=G;this.renderTexture=createRenderTexture(f,g,G);this.depthRenderbuffer=createDepthRenderbuffer(f,g,G);this.framebufferObject=createFramebufferObject(f,this.renderTexture,this.depthRenderbuffer)}let renderTargetHelpers=[],renderTargetHelpersCurrentScalingFactor=1,useRenderTargetHelpers=!1;var fullscreenBlitShader=null,fullscreenQuadVertexBuffer=null;
function recreateRenderTargetHelpersIfNecessary(f){null==fullscreenBlitShader&&(createFullscreenBlitShader(f),createFullscreenQuadRenderData(f));var g=!1;let G=xrGetNumViews(),K=xrGetScalingFactor();if(renderTargetHelpers.length==G&&renderTargetHelpersCurrentScalingFactor==K){for(var N=0;N<G;N++){var F=xrGetViewportSize(N);let h=F[3];if(F[2]!=renderTargetHelpers[N].xrWidth||h!=renderTargetHelpers[N].xrHeight)g=!0}if(!g)return}renderTargetHelpersCurrentScalingFactor=K;renderTargetHelpers=[];for(g=
0;g<G;g++)F=xrGetViewportSize(g),N=F[2],F=F[3],renderTargetHelpers.push(new XRHelperRenderTarget(f,Math.ceil(N*K),Math.ceil(F*K),N,F))}
function createRenderTexture(f,g,G){let K=f.createTexture();f.bindTexture(f.TEXTURE_2D,K);f.texParameteri(f.TEXTURE_2D,f.TEXTURE_MAG_FILTER,f.LINEAR);f.texParameteri(f.TEXTURE_2D,f.TEXTURE_MIN_FILTER,f.LINEAR);f.texParameteri(f.TEXTURE_2D,f.TEXTURE_WRAP_S,f.CLAMP_TO_EDGE);f.texParameteri(f.TEXTURE_2D,f.TEXTURE_WRAP_T,f.CLAMP_TO_EDGE);f.texImage2D(f.TEXTURE_2D,0,f.RGBA,g,G,0,f.RGBA,f.UNSIGNED_BYTE,null);return K}
function createDepthRenderbuffer(f,g,G){let K=f.createRenderbuffer();f.bindRenderbuffer(f.RENDERBUFFER,K);f.renderbufferStorage(f.RENDERBUFFER,f.DEPTH_COMPONENT16,g,G);return K}
function createFramebufferObject(f,g,G){let K=f.createFramebuffer();f.bindFramebuffer(f.FRAMEBUFFER,K);f.framebufferTexture2D(f.FRAMEBUFFER,f.COLOR_ATTACHMENT0,f.TEXTURE_2D,g,0);f.framebufferRenderbuffer(f.FRAMEBUFFER,f.DEPTH_ATTACHMENT,f.RENDERBUFFER,G);g=f.checkFramebufferStatus(f.FRAMEBUFFER);g!=f.FRAMEBUFFER_COMPLETE&&(g==f.FRAMEBUFFER_INCOMPLETE_ATTACHMENT?console.log("gl.FRAMEBUFFER_INCOMPLETE_ATTACHMENT"):g==f.FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT?console.log("gl.FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT"):
g==f.FRAMEBUFFER_INCOMPLETE_DIMENSIONS?console.log("gl.FRAMEBUFFER_INCOMPLETE_DIMENSIONS"):g==f.FRAMEBUFFER_UNSUPPORTED?console.log("gl.FRAMEBUFFER_UNSUPPORTED"):console.log("Unknown framebuffer error."));f.bindFramebuffer(f.FRAMEBUFFER,null);return K}
function createFullscreenBlitShader(f){fullscreenBlitShader=new ShaderProgram(f,"attribute vec3 aPos;attribute vec2 aTexCoord;varying vec2 iUv;void main() {iUv = aTexCoord;gl_Position = vec4(aPos, 1.0);}","precision highp float;uniform sampler2D readTexture;varying vec2 iUv;void main() {gl_FragColor = texture2D(readTexture, iUv);}")}
function createFullscreenQuadRenderData(f){fullscreenQuadVertexBuffer=f.createBuffer();f.bindBuffer(f.ARRAY_BUFFER,fullscreenQuadVertexBuffer);let g=new Float32Array([-1,-1,0,1,-1,0,-1,1,0,1,1,0]),G=new Float32Array([0,0,1,0,0,1,1,1]);f.bufferData(f.ARRAY_BUFFER,48+G.byteLength,f.STATIC_DRAW);f.bufferSubData(f.ARRAY_BUFFER,0,g);f.bufferSubData(f.ARRAY_BUFFER,48,G)}
function bindHelperRenderTarget(f,g){f.bindFramebuffer(f.FRAMEBUFFER,renderTargetHelpers[g].framebufferObject);f.viewport(0,0,renderTargetHelpers[g].width,renderTargetHelpers[g].height);f.depthMask(!0);f.clearColor(0,0,0,1);f.clear(f.COLOR_BUFFER_BIT|f.DEPTH_BUFFER_BIT)}
function blitHelperFramebuffersFullscreen(f){f.bindFramebuffer(f.FRAMEBUFFER,xrGetFramebuffer());fullscreenBlitShader.use(f);f.activeTexture(f.TEXTURE0);fullscreenBlitShader.uniform.readTexture([0]);var g=f.getAttribLocation(fullscreenBlitShader.handle,"aPos");f.enableVertexAttribArray(g);var G=f.getAttribLocation(fullscreenBlitShader.handle,"aTexCoord");f.enableVertexAttribArray(G);f.bindBuffer(f.ARRAY_BUFFER,fullscreenQuadVertexBuffer);f.vertexAttribPointer(g,3,f.FLOAT,!1,0,0);f.vertexAttribPointer(G,
2,f.FLOAT,!1,0,48);for(let K=0;K<renderTargetHelpers.length;K++){let N=xrGetViewportSize(K);f.viewport(N[0],N[1],N[2],N[3]);f.bindTexture(f.TEXTURE_2D,renderTargetHelpers[K].renderTexture);f.drawArrays(f.TRIANGLE_STRIP,0,4)}f.disableVertexAttribArray(g);f.disableVertexAttribArray(G)};
}).call(this);//# sourceMappingURL=CindyXR.js.map