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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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remix of d/24461 by u/farter

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  • does this diagram have a name? #waitforit
  • u/farter
    finally with compressor from d/17775 , now draws incrementally non-repeating, just nicer! go fullscreen for more details.

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  • some math diagram about triangles with rational angles.
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  • u/farter
    better performance & smoother graphic but can't golf.... t?n=t+2|0:l=0;if(l<n){l=n;for(i=l;--i;)for(j=l;--j;)u=Math.PI/l,k=n-i-j,k>0&&(z=960/(1/T(u*i)+1/T(u*j)),r=48/l,x.fillRect(z-r,60+z/T(u*i)-r,r+r,r+r))}
  • u/farter
    this needs 3 secs wait. updated version at d/24464
  • u/farter
    for really nonrepeating drawing, only draw when i,j,k are coprime.
  • u/joeytwiddle
    l=60*t|0 can speed it up (but don't leave it running too long)

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  • playing with DOM (no
  • u/hg
    Nice DOM tricks.

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  • console.log(a[1]), something is running inside this "little computer"
  • u/farter
    but sorry for no use of canvas lol
  • u/farter
    console doesn't work now, instead, append this: ;c.width=150;x.fillText(a[1],0,10)

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remix of d/1862 by u/farter

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  • fixed initial field f=0, and saved 2 bytes according to FireFly's suggestion!

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  • play with zooming artifact depending on browser canvas implementations

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  • hover your mouse

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