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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.
Theme challenge of the month: #candy
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function u(t) {

}//
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  • linear motion rolling circle illusion
  • u/katkip
    #illusion
  • u/DataMeta
    nicely done
  • u/pavel
    If you delete c.width=1920 you can see only the first dot move linearly
  • u/femto113
    curves are a side effect of changing N with t, if you use a fixed value like N=16 you get straight lines

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