JS1k: The JavaScript code golfing competition

for(_="vec~~3Z)-Y=(X.0W(PVatU~2 TionRin(QZ O2.N.xM(dLg.KorJ)*1.Z(0,..ycL+),ybdot(l,.51,);nJmalize(cross(F>10.) length(unifJmMygl_FragCosQ	floUvoid maQ){clamp())so(A=Kch(3563lJ=~4(K,1}'cS(AahV,A
fJ(i in g)g[i[0]+i[7]+[i[13]]]=g[i];P=Kcr(3'Utribute TP;gl_PositR=~4V
2'precisR mediump ;  C;Ta=~2('+a.width+','+a.height+'Ob=W00 c(Od){d+X	d.zxy*7)+	dzx+C*3.*.2;d=~2(UanLM,d6,6-d;return mQmax(absL+(	C*N)+)/4.Y5,abs(fractLMzYY.2Y.13d}TeX(Jd*N)/aY;eM*=aM/a;Of=	CW5,;Og=f,0Od,hXmU3(g,g,f,f*e,7+	C i,F;fJ(int k=0;k<256;k++){d=1C*N+h*F;i=cLif(i<W01||break;F+=i;}OlXbxyx-cL/bM;(-(F/(9.9*(.3)+(pow(+h..8N.8,,0.+(*--.3,0,2,.6+.3*+l/N,,.7,1*l*W54.+l*.1N+,.1if(0
lgVurVbf(A=34962,Kcu()ba(A,new Int8Array([-3,-3,1]35044eet(0vto(2,5120C=(rX)=>{K1f(KgoaV,'C'C+=0W2da(6,3requestAnimURFrame(r)})(";G=/[^ -IPS[-}]/.exec(_);)with(_.split(G))_=join(shift());eval(_)

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

P = g.createProgram();

g.shaderSource(A=g.createShader(35633),'attribute vec2 P;void main(){gl_Position=vec4(P,0,1);}');
g.compileShader(A);
g.attachShader(P,A);

g.shaderSource(A=g.createShader(35632),'precision mediump float;uniform float D;vec2 a=vec2('+a.width+','+a.height+');vec3 b=vec3(.001,0,0);float c(vec3 d){d+=(sin(d.zxy*1.7)+sin(d.yzx+D*3.))*.2;d.xy=vec2(atan(d.x,d.y)*1.6,1.6-length(d.xy));return min(max(abs(d.y+(sin(D*2.)+1.)/4.)-.55,abs(length(fract(d.xz)-.5)-.2)-.13),d.y);}void main(){vec2 e=((gl_FragCoord.xy*2.)/a.xy)-1.;e.x*=a.x/a.y;vec3 f=normalize(vec3(0,sin(D)*.05,.5));vec3 g=normalize(cross(f,vec3(0,1,0)));vec3 d,h=(mat3(g,normalize(cross(g,f)),f))*normalize(vec3(e.xy,1.7+sin(D)));float i,j;for(int k=0;k<256;k++){d=vec3(0,0,1)*D*2.+h*j;i=c(d);if(i<.001||j>10.) break;j+=i;}vec3 l=(vec3(c(d+b.xyy),c(d+b.yxy),c(d+b.yyx))-c(d))/b.x;gl_FragColor=vec4(vec3((1.-(j/(9.9))))*(vec3(.3)+(pow(clamp(1.+dot(l,h),.0,.8),2.)*vec3(.8,.5,0.))+(.5*clamp(dot(l,vec3(-1,-.3,0)),.0,1.)*vec3(2,1,.6))+.3*clamp(.5+l.y/2.,.0,1.)*vec3(.5,.7,1))*clamp(c(d+l*.05)*4.+c(d+l*.1)*2.+.5,.1,1.),1);if(j>10.) gl_FragColor=vec4(0,0,0,1);}');
g.compileShader(A);
g.attachShader(P,A);

g.linkProgram(P);
g.useProgram(P);

g.bindBuffer(A=34962,g.createBuffer());
g.bufferData(A,new Int8Array([-3,1,1,-3,1,1]),35044);

g.enableVertexAttribArray(0);
g.vertexAttribPointer(0,2,5120,0,0,0);

D=0;

(r=()=>{
  g.uniform1f(g.getUniformLocation(P,'D'), D+=0.02);
  g.drawArrays(6,0,3);
  requestAnimationFrame(r);
})();