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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.
Current theme challenge: #ScaryMovies
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function u(t) {

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function u(t) {

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  • Better mirror #golfed 108 to 83 bytes

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  • #golfed added colors instead
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  • u/pavel
    134 for(r=Math.random,w=i=2e3;i--;x.fillRect(p[0]+=4-8*r(),p[1]+=4-8*r(),2,2))p=u[i]=u[i]||[a=w*r(),b=w*r(),R(0,a/8,b/4)],x.fillStyle=p[2]
  • u/pavel
    This does look great :), not sure what else to add with the spare chars
  • u/qm3ster
    Nice! I limited it to 100 particles, each gets 20 movements per frame now:
  • u/qm3ster
    for(r=Math.random,w=i=2e3;i--;x.fillRect(p[0]+=2-4*r(),p[1]+=2-4*r(),2,2))p=u[z=i%100]=u[z]||[a=w*r(),b=w*r(),R(0,a/8,b/4)],x.fillStyle=p[2]

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remix of d/888 by u/jczimm

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  • #golfed and number of dot changes

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function u(t) {

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