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e;s--,l+=n[r++]<<d,d+=8}if(k&&0==(240&k)){for(g=w,v=k,p=_;k=(Z=i.lencode[p+((l&(1<<g+v)-1)>>g)])>>>16&255,_=65535&Z,!(g+(w=Z>>>24)<=d);){if(0===s)break e;s--,l+=n[r++]<<d,d+=8}l>>>=g,d-=g,i.back+=g}if(l>>>=w,d-=w,i.back+=w,i.length=_,0===k){i.mode=26;break}if(32&k){i.back=-1,i.mode=12;break}if(64&k){e.msg="invalid literal/length code",i.mode=30;break}i.extra=15&k,i.mode=22;case 22:if(i.extra){for(E=i.extra;d<E;){if(0===s)break e;s--,l+=n[r++]<<d,d+=8}i.length+=l&(1<<i.extra)-1,l>>>=i.extra,d-=i.extra,i.back+=i.extra}i.was=i.length,i.mode=23;case 23:for(;k=(Z=i.distcode[l&(1<<i.distbits)-1])>>>16&255,_=65535&Z,!((w=Z>>>24)<=d);){if(0===s)break e;s--,l+=n[r++]<<d,d+=8}if(0==(240&k)){for(g=w,v=k,p=_;k=(Z=i.distcode[p+((l&(1<<g+v)-1)>>g)])>>>16&255,_=65535&Z,!(g+(w=Z>>>24)<=d);){if(0===s)break e;s--,l+=n[r++]<<d,d+=8}l>>>=g,d-=g,i.back+=g}if(l>>>=w,d-=w,i.back+=w,64&k){e.msg="invalid distance code",i.mode=30;break}i.offset=_,i.extra=15&k,i.mode=24;case 24:if(i.extra){for(E=i.extra;d<E;){if(0===s)break e;s--,l+=n[r++]<<d,d+=8}i.offset+=l&(1<<i.extra)-1,l>>>=i.extra,d-=i.extra,i.back+=i.extra}if(i.offset>i.dmax){e.msg="invalid distance too far back",i.mode=30;break}i.mode=25;case 25:if(0===f)break e;if(h=u-f,i.offset>h){if((h=i.offset-h)>i.whave&&i.sane){e.msg="invalid distance too far back",i.mode=30;break}h>i.wnext?(h-=i.wnext,b=i.wsize-h):b=i.wnext-h,h>i.length&&(h=i.length),m=i.window}else m=a,b=o-i.offset,h=i.length;for(f<h&&(h=f),f-=h,i.length-=h;a[o++]=m[b++],--h;);0===i.length&&(i.mode=21);break;case 26:if(0===f)break e;a[o++]=i.length,f--,i.mode=21;break;case 27:if(i.wrap){for(;d<32;){if(0===s)break e;s--,l|=n[r++]<<d,d+=8}if(u-=f,e.total_out+=u,i.total+=u,u&&(e.adler=i.check=i.flags?N(i.check,a,u,o-u):R(i.check,a,u,o-u)),u=f,(i.flags?l:L(l))!==i.check){e.msg="incorrect data check",i.mode=30;break}d=l=0}i.mode=28;case 28:if(i.wrap&&i.flags){for(;d<32;){if(0===s)break e;s--,l+=n[r++]<<d,d+=8}if(l!==(4294967295&i.total)){e.msg="incorrect length check",i.mode=30;break}d=l=0}i.mode=29;case 29:y=1;break e;case 30:y=-3;break e;case 31:return-4;case 32:default:return U}return e.next_out=o,e.avail_out=f,e.next_in=r,e.avail_in=s,i.hold=l,i.bits=d,(i.wsize||u!==e.avail_out&&i.mode<30&&(i.mode<27||4!==t))&&j(e,e.output,e.next_out,u-e.avail_out)?(i.mode=31,-4):(c-=e.avail_in,u-=e.avail_out,e.total_in+=c,e.total_out+=u,i.total+=u,i.wrap&&u&&(e.adler=i.check=i.flags?N(i.check,a,u,e.next_out-u):R(i.check,a,u,e.next_out-u)),e.data_type=i.bits+(i.last?64:0)+(12===i.mode?128:0)+(20===i.mode||15===i.mode?256:0),(0===c&&0===u||4===t)&&y===T&&(y=-5),y)},i.inflateEnd=function(e){if(!e||!e.state)return U;var t=e.state;return t.window&&(t.window=null),e.state=null,T},i.inflateGetHeader=function(e,t){var i;return e&&e.state?0==(2&(i=e.state).wrap)?U:((i.head=t).done=!1,T):U},i.inflateSetDictionary=function(e,t){var i,n=t.length;return e&&e.state?0!==(i=e.state).wrap&&11!==i.mode?U:11===i.mode&&R(1,t,n,0)!==i.check?-3:j(e,t,n,n)?(i.mode=31,-4):(i.havedict=1,T):U},i.inflateInfo="pako inflate (from Nodeca project)"},{"../utils/common":1,"./adler32":3,"./crc32":5,"./inffast":7,"./inftrees":9}],9:[function(e,t,i){"use strict";var I=e("../utils/common"),D=[3,4,5,6,7,8,9,10,11,13,15,17,19,23,27,31,35,43,51,59,67,83,99,115,131,163,195,227,258,0,0],T=[16,16,16,16,16,16,16,16,17,17,17,17,18,18,18,18,19,19,19,19,20,20,20,20,21,21,21,21,16,72,78],U=[1,2,3,4,5,7,9,13,17,25,33,49,65,97,129,193,257,385,513,769,1025,1537,2049,3073,4097,6145,8193,12289,16385,24577,0,0],F=[16,16,16,16,17,17,18,18,19,19,20,20,21,21,22,22,23,23,24,24,25,25,26,26,27,27,28,28,29,29,64,64];t.exports=function(e,t,i,n,a,r,o,s){var f,l,d,c,u,h,b,m,w,k=s.bits,_=0,g=0,v=0,p=0,x=0,y=0,S=0,E=0,Z=0,B=0,A=null,z=0,R=new I.Buf16(16),N=new I.Buf16(16),O=null,C=0;for(_=0;_<=15;_++)R[_]=0;for(g=0;g<n;g++)R[t[i+g]]++;for(x=k,p=15;1<=p&&0===R[p];p--);if(p<x&&(x=p),0===p)return a[r++]=20971520,a[r++]=20971520,s.bits=1,0;for(v=1;v<p&&0===R[v];v++);for(x<v&&(x=v),_=E=1;_<=15;_++)if(E<<=1,(E-=R[_])<0)return-1;if(0<E&&(0===e||1!==p))return-1;for(N[1]=0,_=1;_<15;_++)N[_+1]=N[_]+R[_];for(g=0;g<n;g++)0!==t[i+g]&&(o[N[t[i+g]]++]=g);if(0===e?(A=O=o,h=19):1===e?(A=D,z-=257,O=T,C-=257,h=256):(A=U,O=F,h=-1),_=v,u=r,S=g=B=0,d=-1,c=(Z=1<<(y=x))-1,1===e&&852<Z||2===e&&592<Z)return 1;for(;;){for(b=_-S,o[g]<h?(m=0,w=o[g]):o[g]>h?(m=O[C+o[g]],w=A[z+o[g]]):(m=96,w=0),f=1<<_-S,v=l=1<<y;a[u+(B>>S)+(l-=f)]=b<<24|m<<16|w|0,0!==l;);for(f=1<<_-1;B&f;)f>>=1;if(0!==f?(B&=f-1,B+=f):B=0,g++,0==--R[_]){if(_===p)break;_=t[i+o[g]]}if(x<_&&(B&c)!==d){for(0===S&&(S=x),u+=v,E=1<<(y=_-S);y+S<p&&!((E-=R[y+S])<=0);)y++,E<<=1;if(Z+=1<<y,1===e&&852<Z||2===e&&592<Z)return 1;a[d=B&c]=x<<24|y<<16|u-r|0}}return 0!==B&&(a[u+B]=_-S<<24|64<<16|0),s.bits=x,0}},{"../utils/common":1}],10:[function(e,t,i){"use strict";t.exports={2:"need dictionary",1:"stream end",0:"","-1":"file error","-2":"stream error","-3":"data error","-4":"insufficient memory","-5":"buffer error","-6":"incompatible version"}},{}],11:[function(e,t,i){"use strict";t.exports=function(){this.input=null,this.next_in=0,this.avail_in=0,this.total_in=0,this.output=null,this.next_out=0,this.avail_out=0,this.total_out=0,this.msg="",this.state=null,this.data_type=2,this.adler=0}},{}],"/lib/inflate.js":[function(e,t,i){"use strict";var c=e("./zlib/inflate"),u=e("./utils/common"),h=e("./utils/strings"),b=e("./zlib/constants"),n=e("./zlib/messages"),a=e("./zlib/zstream"),r=e("./zlib/gzheader"),m=Object.prototype.toString;function o(e){if(!(this instanceof o))return new o(e);this.options=u.assign({chunkSize:16384,windowBits:0,to:""},e||{});var t=this.options;t.raw&&0<=t.windowBits&&t.windowBits<16&&(t.windowBits=-t.windowBits,0===t.windowBits&&(t.windowBits=-15)),!(0<=t.windowBits&&t.windowBits<16)||e&&e.windowBits||(t.windowBits+=32),15<t.windowBits&&t.windowBits<48&&0==(15&t.windowBits)&&(t.windowBits|=15),this.err=0,this.msg="",this.ended=!1,this.chunks=[],this.strm=new a,this.strm.avail_out=0;var i=c.inflateInit2(this.strm,t.windowBits);if(i!==b.Z_OK)throw new Error(n[i]);if(this.header=new r,c.inflateGetHeader(this.strm,this.header),t.dictionary&&("string"==typeof t.dictionary?t.dictionary=h.string2buf(t.dictionary):"[object ArrayBuffer]"===m.call(t.dictionary)&&(t.dictionary=new Uint8Array(t.dictionary)),t.raw&&(i=c.inflateSetDictionary(this.strm,t.dictionary))!==b.Z_OK))throw new Error(n[i])}function s(e,t){var i=new o(t);if(i.push(e,!0),i.err)throw i.msg||n[i.err];return i.result}o.prototype.push=function(e,t){var i,n,a,r,o,s=this.strm,f=this.options.chunkSize,l=this.options.dictionary,d=!1;if(this.ended)return!1;n=t===~~t?t:!0===t?b.Z_FINISH:b.Z_NO_FLUSH,"string"==typeof e?s.input=h.binstring2buf(e):"[object ArrayBuffer]"===m.call(e)?s.input=new Uint8Array(e):s.input=e,s.next_in=0,s.avail_in=s.input.length;do{if(0===s.avail_out&&(s.output=new u.Buf8(f),s.next_out=0,s.avail_out=f),(i=c.inflate(s,b.Z_NO_FLUSH))===b.Z_NEED_DICT&&l&&(i=c.inflateSetDictionary(this.strm,l)),i===b.Z_BUF_ERROR&&!0===d&&(i=b.Z_OK,d=!1),i!==b.Z_STREAM_END&&i!==b.Z_OK)return this.onEnd(i),!(this.ended=!0);s.next_out&&(0!==s.avail_out&&i!==b.Z_STREAM_END&&(0!==s.avail_in||n!==b.Z_FINISH&&n!==b.Z_SYNC_FLUSH)||("string"===this.options.to?(a=h.utf8border(s.output,s.next_out),r=s.next_out-a,o=h.buf2string(s.output,a),s.next_out=r,s.avail_out=f-r,r&&u.arraySet(s.output,s.output,a,r,0),this.onData(o)):this.onData(u.shrinkBuf(s.output,s.next_out)))),0===s.avail_in&&0===s.avail_out&&(d=!0)}while((0<s.avail_in||0===s.avail_out)&&i!==b.Z_STREAM_END);return i===b.Z_STREAM_END&&(n=b.Z_FINISH),n===b.Z_FINISH?(i=c.inflateEnd(this.strm),this.onEnd(i),this.ended=!0,i===b.Z_OK):n!==b.Z_SYNC_FLUSH||(this.onEnd(b.Z_OK),!(s.avail_out=0))},o.prototype.onData=function(e){this.chunks.push(e)},o.prototype.onEnd=function(e){e===b.Z_OK&&("string"===this.options.to?this.result=this.chunks.join(""):this.result=u.flattenChunks(this.chunks)),this.chunks=[],this.err=e,this.msg=this.strm.msg},i.Inflate=o,i.inflate=s,i.inflateRaw=function(e,t){return(t=t||{}).raw=!0,s(e,t)},i.ungzip=s},{"./utils/common":1,"./utils/strings":2,"./zlib/constants":4,"./zlib/gzheader":6,"./zlib/inflate":8,"./zlib/messages":10,"./zlib/zstream":11}]},{},[])("/lib/inflate.js")});
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gl=canvas.gl;gl.viewport(0,0,gl.viewportWidth,gl.viewportHeight);gl.clear(gl.COLOR_BUFFER_BIT|gl.DEPTH_BUFFER_BIT);gl.useProgram(canvas.s);gl.uniformMatrix4fv(canvas.s.pu,false,canvas.p);gl.uniformMatrix4fv(canvas.s.mu,false,canvas.m);gl.bindBuffer(gl.ARRAY_BUFFER,canvas.v);gl.vertexAttribPointer(canvas.s.pa,3,gl.FLOAT,false,10*4,0);gl.bindBuffer(gl.ARRAY_BUFFER,canvas.c);gl.vertexAttribPointer(canvas.s.ca,4,gl.FLOAT,false,10*4,3*4);gl.bindBuffer(gl.ARRAY_BUFFER,canvas.n);gl.vertexAttribPointer(canvas.s.na,3,gl.FLOAT,false,10*4,7*4);gl.drawArrays(gl.TRIANGLES,0,canvas.i);},drag:function(e){e.target.mx=e.clientX;e.target.my=e.clientY;e.target.d=true;e.preventDefault();},release:function(e){e.target.d=false;e.preventDefault();},move:function(e){e.preventDefault();if(e.type=="mousemove"&&!e.buttons)e.target.d=false;if(!e.target.d)return;var dx=e.clientX-e.target.mx,dy=e.target.my-e.clientY;e.target.mx=e.clientX;e.target.my=e.clientY;var r=m3d.rotate(Math.sqrt(dx*dx+dy*dy)*Math.PI/180,[-dy,dx,0]);if(r){var t=m3d.identity();t[14]=-5.0;e.target.r=m3d.multiply(r,e.target.r);e.target.m=m3d.multiply(t,e.target.r);m3d.render(e.target);}},ba2int8:function(ba){var u=new Int8Array(ba.slice(0,1));return u[0];},ba2int16:function(ba){var u=new Int16Array(ba.slice(0,2));return u[0];},ba2int32:function(ba){var u=new Int32Array(ba.slice(0,4));return u[0];},ba2uint8:function(ba){var u=new Uint8Array(ba.slice(0,1));return u[0];},ba2uint16:function(ba){var u=new Uint16Array(ba.slice(0,2));return u[0];},ba2uint32:function(ba){var u=new Uint32Array(ba.slice(0,4));return u[0];},ba2float:function(ba){var u=new Float32Array(ba.slice(0,4));return u[0];},ba2str:function(ba,o,s){return String.fromCharCode.apply(null,new Uint8Array(ba.slice(o,s)));},load:function(canvas,g,b){var vc_s,vi_s,si_s,ci_s,ti_s,sk_s,vd_s,vp_s,i,j,k,l,n,m,nv=0,nt=0,nm=false,ma,c,cm=[],v=[],f=[],vt=[],vd=[];var px,py,pz,sx,sy,sz,x,y,z,mix,miy,miz,max,may,maz;if(m3d.ba2str(b,0,4)!="3DMO")return;b=b.slice(8);if(m3d.ba2str(b,0,4)=="PRVW"){l=m3d.ba2uint32(b.slice(4,8));b=b.slice(l);}if(m3d.ba2str(b,0,4)!="HEAD"){try{b=pako.inflate(b).buffer;}catch(e){console.log("Unable to uncompress",e);return;}if(m3d.ba2str(b,0,4)!="HEAD")return;}l=m3d.ba2uint32(b.slice(4,8));n=m3d.ba2uint8(b.slice(12,13));vc_s=1<<((n>>0)&3);vi_s=1<<((n>>2)&3);si_s=1<<((n>>4)&3);ci_s=1<<((n>>6)&3);n=m3d.ba2uint8(b.slice(13,14));ti_s=1<<((n>>0)&3);sk_s=1<<((n>>6)&3);n=m3d.ba2uint8(b.slice(14,15));vd_s=1<<((n>>6)&3);n=m3d.ba2uint8(b.slice(15,16));vp_s=1<<((n>>0)&3);if(ci_s==8)ci_s=0;if(sk_s==8)sk_s=0;mix=miy=miz=2147483647;max=may=maz=-2147483647;while(l&&b.byteLength&&m3d.ba2str(b,0,4)!="OMD3"){b=b.slice(l);ma=m3d.ba2str(b,0,4);l=m3d.ba2uint32(b.slice(4,8));if(l<8)break;c=b.slice(8,l);if(ma=="CMAP"){cm=new Uint8Array(c);}else if(ma=="VRTS"){while(c.byteLength){switch(vc_s){case 1:v.push(m3d.ba2int8(c)/127.0);c=c.slice(1);v.push(m3d.ba2int8(c)/127.0);c=c.slice(1);v.push(m3d.ba2int8(c)/127.0);c=c.slice(2);break;case 2:v.push(m3d.ba2int16(c)/32767.0);c=c.slice(2);v.push(m3d.ba2int16(c)/32767.0);c=c.slice(2);v.push(m3d.ba2int16(c)/32767.0);c=c.slice(4);break;case 4:v.push(m3d.ba2float(c));c=c.slice(4);v.push(m3d.ba2float(c));c=c.slice(4);v.push(m3d.ba2float(c));c=c.slice(8);break;}col=[0x80,0x55,0x23,0xFF];switch(ci_s){case 1:n=m3d.ba2uint8(c);c=c.slice(1);col=[cm[n*4],cm[n*4+1],cm[n*4+2],cm[n*4+3]];break;case 2:n=m3d.ba2uint16(c);c=c.slice(2);col=[cm[n*4],cm[n*4+1],cm[n*4+2],cm[n*4+3]];break;case 4:col=[m3d.ba2uint8(c.slice(0,1)),m3d.ba2uint8(c.slice(1,2)),m3d.ba2uint8(c.slice(2,3)),m3d.ba2uint8(c.slice(3,4))];c=c.slice(4);break;}v.push(col[0]/255.0);v.push(col[1]/255.0);v.push(col[2]/255.0);v.push(col[3]/255.0);if(sk_s!=8)c=c.slice(sk_s);nv++;}}else if(ma=="MESH"){while(c.byteLength){var a=[];m=m3d.ba2uint8(c);c=c.slice(1);if(!(m>>4)){c=c.slice(si_s);continue;}for(i=0;i<(m>>4);i++){n=-1;switch(vi_s){case 1:n=m3d.ba2uint8(c);c=c.slice(1);break;case 2:n=m3d.ba2uint16(c);c=c.slice(2);break;case 4:n=m3d.ba2uint32(c);c=c.slice(4);break;}a.push(n);if((m&1)&&ti_s!=8)c=c.slice(ti_s);n=-1;if(m&2){switch(vi_s){case 1:n=m3d.ba2uint8(c);c=c.slice(1);break;case 2:n=m3d.ba2uint16(c);c=c.slice(2);break;case 4:n=m3d.ba2uint32(c);c=c.slice(4);break;}}if(n==-1)nm=true;a.push(n);}f.push(a);}}else if(ma=="VOXT"){while(c.byteLength){col=[0x80,0x55,0x23,0xFF];switch(ci_s){case 1:n=m3d.ba2uint8(c);c=c.slice(1);col=[cm[n*4],cm[n*4+1],cm[n*4+2],cm[n*4+3]];break;case 2:n=m3d.ba2uint16(c);c=c.slice(2);col=[cm[n*4],cm[n*4+1],cm[n*4+2],cm[n*4+3]];break;case 4:col=[m3d.ba2uint8(c.slice(0,1)),m3d.ba2uint8(c.slice(1,2)),m3d.ba2uint8(c.slice(2,3)),m3d.ba2uint8(c.slice(3,4))];c=c.slice(4);break;}vt.push(col[0]/255.0);vt.push(col[1]/255.0);vt.push(col[2]/255.0);vt.push(col[3]/255.0);if(si_s!=8)c=c.slice(si_s);c=c.slice(2);n=m3d.ba2uint8(c);c=c.slice(1);if(sk_s!=8)c=c.slice(sk_s);if(n>0&&si_s!=8)c=c.slice(n*(2+si_s));nt++;}}else if(ma=="VOXD"){if(si_s!=8)c=c.slice(si_s);px=py=pz=sx=sy=sz=x=y=z=0;switch(vd_s){case 1:px=m3d.ba2int8(c);c=c.slice(1);py=m3d.ba2int8(c);c=c.slice(1);pz=m3d.ba2int8(c);c=c.slice(1);sx=m3d.ba2uint8(c);c=c.slice(1);sy=m3d.ba2uint8(c);c=c.slice(1);sz=m3d.ba2uint8(c);c=c.slice(1);break;case 2:px=m3d.ba2int16(c);c=c.slice(2);py=m3d.ba2int16(c);c=c.slice(2);pz=m3d.ba2int16(c);c=c.slice(2);sx=m3d.ba2uint16(c);c=c.slice(2);sy=m3d.ba2uint16(c);c=c.slice(2);sz=m3d.ba2uint16(c);c=c.slice(2);break;case 4:px=m3d.ba2int32(c);c=c.slice(4);py=m3d.ba2int32(c);c=c.slice(4);pz=m3d.ba2int32(c);c=c.slice(4);sx=m3d.ba2uint32(c);c=c.slice(4);sy=m3d.ba2uint32(c);c=c.slice(4);sz=m3d.ba2uint32(c);c=c.slice(4);break;}if(px<mix)mix=px;if(py<miy)miy=py;if(pz<miz)miz=pz;if(px+sx>max)max=px+sx;if(py+sy>may)may=py+sy;if(pz+sz>maz)maz=pz+sz;c=c.slice(2);while(c.byteLength){m=m3d.ba2uint8(c);c=c.slice(1);k=(m&127)+1;if(m>127){if(vp_s==1){n=m3d.ba2uint8(c);c=c.slice(1);}else{n=m3d.ba2uint16(c);c=c.slice(2);}}for(j=0;j<k;j++){if(m<128){if(vp_s==1){n=m3d.ba2uint8(c);c=c.slice(1);}else{n=m3d.ba2uint16(c);c=c.slice(2);}}if(n<nt){vd.push(px+x);vd.push(py+y);vd.push(pz+z);vd.push(n);}x++;if(x>=sx){x=0;z++;if(z>=sz){z=0;y++;}}}}}}if(vd.length>0){nm=true;l=(max-mix+1);if((may-miy+1)>l)l=(may-miy+1);if(l)l=1.0/l;else l=0.5;for(i=0;i<vd.length;i+=4){var a=[];x=vd[i];y=vd[i+1];z=vd[i+2];n=vd[i+3];v.push(x*l);v.push(y*l);v.push(z*l);v.push(vt[n*4]);v.push(vt[n*4+1]);v.push(vt[n*4+2]);v.push(vt[n*4+3]);nv++;v.push((x+1)*l);v.push(y*l);v.push(z*l);v.push(vt[n*4]);v.push(vt[n*4+1]);v.push(vt[n*4+2]);v.push(vt[n*4+3]);nv++;v.push(x*l);v.push(y*l);v.push((z+1)*l);v.push(vt[n*4]);v.push(vt[n*4+1]);v.push(vt[n*4+2]);v.push(vt[n*4+3]);nv++;v.push((x+1)*l);v.push(y*l);v.push((z+1)*l);v.push(vt[n*4]);v.push(vt[n*4+1]);v.push(vt[n*4+2]);v.push(vt[n*4+3]);nv++;v.push(x*l);v.push((y+1)*l);v.push(z*l);v.push(vt[n*4]);v.push(vt[n*4+1]);v.push(vt[n*4+2]);v.push(vt[n*4+3]);nv++;v.push((x+1)*l);v.push((y+1)*l);v.push(z*l);v.push(vt[n*4]);v.push(vt[n*4+1]);v.push(vt[n*4+2]);v.push(vt[n*4+3]);nv++;v.push(x*l);v.push((y+1)*l);v.push((z+1)*l);v.push(vt[n*4]);v.push(vt[n*4+1]);v.push(vt[n*4+2]);v.push(vt[n*4+3]);nv++;v.push((x+1)*l);v.push((y+1)*l);v.push((z+1)*l);v.push(vt[n*4]);v.push(vt[n*4+1]);v.push(vt[n*4+2]);v.push(vt[n*4+3]);nv++;a=[];a.push(nv-8);a.push(-1);a.push(nv-6);a.push(-1);a.push(nv-7);a.push(-1);f.push(a);a=[];a.push(nv-7);a.push(-1);a.push(nv-6);a.push(-1);a.push(nv-5);a.push(-1);f.push(a);a=[];a.push(nv-8);a.push(-1);a.push(nv-4);a.push(-1);a.push(nv-6);a.push(-1);f.push(a);a=[];a.push(nv-4);a.push(-1);a.push(nv-2);a.push(-1);a.push(nv-6);a.push(-1);f.push(a);a=[];a.push(nv-5);a.push(-1);a.push(nv-2);a.push(-1);a.push(nv-6);a.push(-1);f.push(a);a=[];a.push(nv-2);a.push(-1);a.push(nv-5);a.push(-1);a.push(nv-1);a.push(-1);f.push(a);a=[];a.push(nv-8);a.push(-1);a.push(nv-4);a.push(-1);a.push(nv-7);a.push(-1);f.push(a);a=[];a.push(nv-4);a.push(-1);a.push(nv-3);a.push(-1);a.push(nv-7);a.push(-1);f.push(a);a=[];a.push(nv-4);a.push(-1);a.push(nv-2);a.push(-1);a.push(nv-3);a.push(-1);f.push(a);a=[];a.push(nv-2);a.push(-1);a.push(nv-1);a.push(-1);a.push(nv-3);a.push(-1);f.push(a);a=[];a.push(nv-7);a.push(-1);a.push(nv-3);a.push(-1);a.push(nv-5);a.push(-1);f.push(a);a=[];a.push(nv-3);a.push(-1);a.push(nv-1);a.push(-1);a.push(nv-5);a.push(-1);f.push(a);}}if(v.length>0){if(nm){var o=[],ax,ay,az,bx,by,bz,cx,cy,cz,d;for(i=0;i<f.length;i++){ax=v[f[i][2]*7+0]-v[f[i][0]*7+0];ay=v[f[i][2]*7+1]-v[f[i][0]*7+1];az=v[f[i][2]*7+2]-v[f[i][0]*7+2];bx=v[f[i][4]*7+0]-v[f[i][0]*7+0];by=v[f[i][4]*7+1]-v[f[i][0]*7+1];bz=v[f[i][4]*7+2]-v[f[i][0]*7+2];cx=(ay*bz)-(az*by);cy=(az*bx)-(ax*bz);cz=(ax*by)-(ay*bx);d=Math.sqrt(cx*cx+cy*cy+cz*cz);if(d){cx/=d;cy/=d;cz/=d;}o[i]=[cx,cy,cz];f[i][1]=f[i][0]+nv;f[i][3]=f[i][2]+nv;f[i][5]=f[i][4]+nv;}for(i=0;i<nv*7;i++)v.push(0);for(i=0;i<f.length;i++){for(j=0;j<3;j++){v[f[i][j*2+1]*7+0]+=o[i][0];v[f[i][j*2+1]*7+1]+=o[i][1];v[f[i][j*2+1]*7+2]+=o[i][2];}}for(i=nv;i<2*nv;i++){d=Math.sqrt(v[i*7+0]*v[i*7+0]+v[i*7+1]*v[i*7+1]+v[i*7+2]*v[i*7+2]);if(d){v[i*7+0]/=d;v[i*7+1]/=d;v[i*7+2]/=d;}}}canvas.i=f.length*3;m=f.length*3*10;var gl=canvas.gl,VBO=new Float32Array(m);for(i=n=0;i<f.length;i++){for(j=0;j<3;j++){for(k=0;k<7;k++)VBO[n++]=v[f[i][j*2]*7+k];for(k=0;k<3;k++)VBO[n++]=v[f[i][j*2+1]*7+k];}}canvas.v=gl.createBuffer();gl.bindBuffer(gl.ARRAY_BUFFER,canvas.v);gl.bufferData(gl.ARRAY_BUFFER,VBO,gl.STATIC_DRAW);canvas.c=gl.createBuffer();gl.bindBuffer(gl.ARRAY_BUFFER,canvas.c);gl.bufferData(gl.ARRAY_BUFFER,VBO,gl.STATIC_DRAW);canvas.n=gl.createBuffer();gl.bindBuffer(gl.ARRAY_BUFFER,canvas.n);gl.bufferData(gl.ARRAY_BUFFER,VBO,gl.STATIC_DRAW);canvas.p=m3d.perspective(45,gl.viewportWidth/gl.viewportHeight,0.1,100.0);canvas.m=m3d.identity();canvas.m[14]=-5.0;canvas.r=m3d.identity();canvas.d=false;canvas.addEventListener('mousedown',m3d.drag,true);canvas.addEventListener('touchstart',m3d.drag,true);canvas.addEventListener('mousemove',m3d.move,true);canvas.addEventListener('touchmove',m3d.move,true);canvas.addEventListener('mouseup', m3d.release,true);canvas.addEventListener('touchend', m3d.release,true);m3d.render(canvas);g.parentNode.replaceChild(canvas,g);}},init:function(){var i,t=document.querySelectorAll("img[src$=\".m3d\"]");try{for(i=0;i<t.length;i++){var canvas=document.createElement("CANVAS"),gl,r;canvas.setAttribute("width",t[i].getAttribute("width"));canvas.setAttribute("height",t[i].getAttribute("height"));canvas.setAttribute("id",t[i].id?t[i].id:"m3d_"+i);if(t[i].className)canvas.setAttribute("class",t[i].className);gl=canvas.gl=canvas.getContext("experimental-webgl")||canvas.getContext("webgl");gl.viewportWidth=canvas.width;gl.viewportHeight=canvas.height;gl.clearColor(0.0,0.0,0.0,0.0);gl.enable(gl.DEPTH_TEST);var vs=gl.createShader(gl.VERTEX_SHADER);var fs=gl.createShader(gl.FRAGMENT_SHADER);gl.shaderSource(vs,unescape(encodeURI(m3d.vs)));gl.compileShader(vs);if(!gl.getShaderParameter(vs,gl.COMPILE_STATUS))throw "vertex shader compilation failed";gl.shaderSource(fs, unescape(encodeURI(m3d.fs)));gl.compileShader(fs);if(!gl.getShaderParameter(fs,gl.COMPILE_STATUS))throw "fragment shader compilation failed";canvas.s=gl.createProgram();gl.attachShader(canvas.s,vs);gl.attachShader(canvas.s,fs);gl.linkProgram(canvas.s);if(!gl.getProgramParameter(canvas.s,gl.LINK_STATUS))throw "failed to link shader with gl context";canvas.s.pa=gl.getAttribLocation(canvas.s,"v");gl.enableVertexAttribArray(canvas.s.pa);canvas.s.na=gl.getAttribLocation(canvas.s,"n");gl.enableVertexAttribArray(canvas.s.na);canvas.s.ca=gl.getAttribLocation(canvas.s,"c");gl.enableVertexAttribArray(canvas.s.ca);canvas.s.pu=gl.getUniformLocation(canvas.s,"p");canvas.s.mu=gl.getUniformLocation(canvas.s,"m");r=new XMLHttpRequest();r.open("GET",t[i].src,true);r.overrideMimeType("application/octet-stream");r.responseType="arraybuffer";r.c=canvas;r.i=t[i];r.onload=function(e){if(this.readyState==4)m3d.load(this.c,this.i,this.response||this.mozResponseArrayBuffer);};r.send(null);t[i].src='data:image/gif;base64,R0lGODlhQABAAOcqAAAAAAEBAQICAgMDAwQEBAUFBQYGBgcHBwgICAkJCQoKCgsLCwwMDA0NDQ4ODg8PDxAQEBERERISEhMTExQUFBUVFRYWFhcXFxgYGBkZGRoaGhsbGxwcHB0dHR4eHh8fHyAgICEhISIiIiMjIyQkJCUlJSYmJicnJygoKCkpKSoqKisrKywsLC0tLS4uLi8vLzAwMDExMTIyMjMzMzQ0NDU1NTY2Njc3Nzg4ODk5OTo6Ojs7Ozw8PD09PT4+Pj8/P0BAQEFBQUJCQkNDQ0REREVFRUZGRkdHR0hISElJSUpKSktLS0xMTE1NTU5OTk9PT1BQUFFRUVJSUlNTU1RUVFVVVVZWVldXV1hYWFlZWVpaWltbW1xcXF1dXV5eXl9fX2BgYGFhYWJiYmNjY2RkZGVlZWZmZmdnZ2hoaGlpaWpqamtra2xsbG1tbW5ubm9vb3BwcHFxcXJycnNzc3R0dHV1dXZ2dnd3d3h4eHl5eXp6ent7e3x8fH19fX5+fn9/f4CAgIGBgYKCgoODg4SEhIWFhYaGhoeHh4iIiImJiYqKiouLi4yMjI2NjY6Ojo+Pj5CQkJGRkZKSkpOTk5SUlJWVlZaWlpeXl5iYmJmZmZqampubm5ycnJ2dnZ6enp+fn6CgoKGhoaKioqOjo6SkpKWlpaampqenp6ioqKmpqaqqqqurq6ysrK2tra6urq+vr7CwsLGxsbKysrOzs7S0tLW1tba2tre3t7i4uLm5ubq6uru7u7y8vL29vb6+vr+/v8DAwMHBwcLCwsPDw8TExMXFxcbGxsfHx8jIyMnJycrKysvLy8zMzM3Nzc7Ozs/Pz9DQ0NHR0dLS0tPT09TU1NXV1dbW1tfX19jY2NnZ2dra2tvb29zc3N3d3d7e3t/f3+Dg4OHh4eLi4uPj4+Tk5OXl5ebm5ufn5+jo6Onp6erq6uvr6+zs7O3t7e7u7u/v7/Dw8PHx8fLy8vPz8/T09PX19fb29vf39/j4+Pn5+fr6+vv7+/z8/P39/f7+/v///yH5BAEKAP8ALAAAAABAAEAAAAj+AAEIHEiwoMGDCBMqXMiwocOHECNKnEixosWLGDNq3Mixo8ePIEOKHEmypMmTKFOqXMmypUuTKhq8dCiEkQgAIr7MVDjnkIklhezsRGhikJ9Mn+LcnFlDy9KmcSYNsnMJkomZO9gQAjRHhRZHjBJBWlRoESE9dly47FLozyE4cyg9goRIjqFAj/j0UdOggQggJiyk1HJoU59FgvhAanTnTyNChS4dGiTEzqdNnyJZaMBBcMkmnxxt9UMoUKFHgUgpsnNojqBNZAV9svNEEyIcJRskKaRK1CREeA05goSpjyRMmwQdkqNI0ylLovosJdnAQhk/Vrg0ElUpkZpBgCj+eZIDaFDdPqY8YbrjGaSFKmKqWCnSBNAXP3kizWkjJlCpSJbUEQgfmxziyCmtEKLCSC40ckggkUgiCVmA9DFHGm0wgggll+TxhyN+kAKJIKiUokVuKsDRyCBzVAKIHn/4sQklh6SxySSPAJLHJn4EwooqsHFgEh5oCILHGGCwIQd4c3ARSSOdABLIIa8ockgjn1ACyhMmWZDHHHbEEcgRJvxRCBp6SDLII33wwUghlhRGCiOU1CFTSS58UQYYWDTQRSByaKGGYYo8MkgmixxCySykXFLJIXemJIIfg4zRhxiQWMLIIH/U0ggincSCySeLABIpSkkwkkcXcAjSiB/cgACiiSydOKJJJYZU4oghp56UBiOX8vGHHmnoAcgoc4SShyKUbKIKJlas1ACaeXwRhx935BEIIZ8UscgjkUSiCSd5tJdSHou4MYUcdrShRxyOfGLFKI5wYgojWpibklaJVGGppW5Rwsgmr5jyhxW9pgTEI3PwUUcfRQ6SCCmLVMFJE5u91EAZhuBhnhuAOIJHJHGYkHBLMvyBhyRoEHJXHHUsONRADQDxRx6XOCLIzAiJUYkkjRjC80FCSEJJF9MNTbMLMSnt9NNQRy311FRXbfXVWGet9dZcd311QAA7';}}catch(e){console.log("Unable to initialize WebGL:",e);}}};document.addEventListener("DOMContentLoaded",m3d.init);