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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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  • Photon-Mapping using a Random-March Scattering Model
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  • u/magna
    u/tomxor Another epic one!
  • u/UEZ
    Thx magna :-) More or less what tomxor wrote. Just for my understand, does u[k]++ mean, when k=[1,2,3], u is u['2,3,4']?
  • u/fentbiggesthater
    hm coll
  • u/tomxor
    I think you're getting hung up on the array like key notation, but it's not being used as an array. Think of -1,-2,-3 as an abitrary property name on an object, the u.-1,-2,-3 property syntax would be equivalent if not for the invalid chars. u[k]++ simply increments a number stored for the property k, ++ only works because that property value has been previously initialised using u[k]|=0 which will convert undefined values to 0.

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  • Spinning coins

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tem

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  • ignore black square

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  • funkygons

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Xen
remix of d/32879 by u/Coalshork

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  • slight golf

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  • (UNGOLFED) circle without t

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  • A string movement

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  • Star flow

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  • Star Symmetry

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