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xxxxxxxxxx<html><style>*{margin:0}#V{display:block}</style><canvas width="512" height="512" id=V><script>a=V.width=innerWidth;a/=V.height=innerHeight-.01;with(V.getContext`webgl2`){p=createProgram(t=35633);[`out O{X x=X(-1);x[gl_VertexID]=3.;gl_Position=X(u=x.xy,0,1);u.x*=${a};u*=.25;}`,`uniform F t;out X c;\n#define T 6.2831853\nfloat B[16]=float[](0.,8.,2.,10.,12.,4.,14.,6.,3.,11.,1.,9.,15.,7.,13.,5.);in O {vec2 r=vec2(atan(u.y,u.x)/T+.5,length(u));r+=sin(3.*T*r.y-t)+sin(3.*T*r.x+.5*t);r=r*2.-fract(t*.5);float d=fract(r).x;float o=.5+.5*cos(T*(d+.5));ivec2 cr=ivec2(mod(u*1024.,4.));float f=round(o*16.)/16.>B[cr.x+cr.y*4]/16.?1.:0.;c=X(f,f,f,1.);}`,].map(x=>attachShader(p,s=createShader(t--),shaderSource(s,`#version 300 es\n~V vec2~X vec4~F float~O V u;void main()\nprecision highp F;`.split`~`.join`\n#define `+x),compileShader(s)));linkProgram(p);useProgram(p);k=_=>requestAnimationFrame(k,uniform1f(getUniformLocation(p,'t'),performance.now()/5e2),drawArrays(5,0,3));k()}</script>This will be the default layout for your sketches
Easy on the eyes
It will show up when there is an error or print() in code
Potential warnings will be displayed as you type
Closes parenthesis-like characters automatically as you type
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