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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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  • KilledByAPixel: 𝕊𝕥𝕣𝕒𝕟𝕘𝕖𝕣 𝕊𝕪𝕞𝕓𝕠𝕝𝕤

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  • pavel: The incremental drawing is not parameter aware so at the extremes its too slow / too fast and choppy
  • pavel: I was gonna improve this by using the period of a spirograph but gave up deriving it.
  • pavel: I think the period is the denominator of 1-1/m expressed as an irreducible fraction.

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remix of d/14613 by u/katkip

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  • rodrigo.siqueira: Same result, uncompressed, 128 bytes: t||(p=0) f=(X,Y,s,z)=>s>2?f(X+S(z/2)*s*2,Y+C(z*3)*s,s/2,z*4):[X,Y] for(i=999;i--;)q=f(960,540,250,p++),x.fillRect(q[0],q[1],2,2)
  • rodrigo.siqueira: My previous comment is not working because of "enter" converted to "space".
  • rodrigo.siqueira: Same result, uncompressed, 128 bytes (correct code): t||(p=0);f=(X,Y,s,z)=>s>2?f(X+S(z/2)*s*2,Y+C(z*3)*s,s/2,z*4):[X,Y];for(i=999;i--;)q=f(960,540,250,p++),x.fillRect(q[0],q[1],2,2)

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