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function u(t) {
} //
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u(t) is called 60 times per second. t: Elapsed time in seconds. S: Shorthand for Math.sin. C: Shorthand for Math.cos. T: Shorthand for Math.tan. R: Function that generates rgba-strings, usage ex.: R(255, 255, 255, 0.5) c: A 1920x1080 canvas. x: A 2D context for that canvas.
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function u(t) {

}//
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  • rodrigo.siqueira: Thanks @joeytwiddle for the golf trick. i*(t&1) also works and it's even shorter. And I found that t%4>2?... can be converted to t&2?... It works as a counter to change the function each 2 seconds.
  • yonatan: Also, since T and S take the same arguments (t%4>2?T(b+t):S(b+t)) can be (t&2?T:S)(b+t)
  • lionleaf: Wow! Now we're talking

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function u(t) {

}//
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function u(t) {

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  • joeytwiddle: Scrolling instead of switching: for(c.width|=j=15+t|0;j-->t;)for(g=(j-t)*180,i=99;i--;)x.fillRect(i?g+i*S(1e3/i-t*8+j**3):g,600+!!i*i*5,-99-80*S(j*j),i?3:-600)
  • username: What is this supposed to be? I only see black squiggly lines..
  • joeytwiddle: I think it's supposed to be buildings reflect in water. for(c.width|=j=20+t|0;j-->t;)for(g=(j-t)*120,i=W=99;i--;)x.fillRect(i?g+i*i/70*S(1e3/i-t*8+j**3):g,500+!!i*i*4,-W-80*S(j*j),i?3:-300-W*S(j))

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function u(t) {

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function u(t) {

}//
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  • cantelope: for(x[g='fillRect'](0,0,c.width=(w=960)*2,i=w*3);i--;x.fillStyle=hsl(${.15*i},99%,60%,x[g](w+(S(q=i/381+C(t/2)*3)*Z)/(Z=C(q)*Z-7)*w,540+S(p)*v/Z*w,s=1+200/Z/Z,s))Z=C(p=i/63.67+t)*(v=i%8/8+1)+3

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remix of d/11919 by u/mxfh

function u(t) {

}//
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  • f8f82804: yeah safari stinks
  • f8f82804: try "for(c.width|=i=384;i--;x.fillRect(960-w/2+e,4*i,w+e,4))y=i/80-2,w=y>.7?3e3:(1-y*y)**.5*640,e=T(t/9+i*w),x.fillStyle=hsl(${-y}rad 99% 50%)" which should work and is still <140
  • bekfast2390: easrdfghj

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function u(t) {

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remix of d/11963 by u/cantelope

function u(t) {

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remix of d/2442 by u/mxfh

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function u(t) {

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