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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/12658 by u/qm3ster

function u(t) {

}//
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  • A little golf and a color tweak to get some room to play with performance. it seems like the limit is just in drawing; Math.random() seemingly can't be improved on. I'd like to look at putImageData as suggested by https://stackoverflow.com/a/4901604 because it's possible that color parsing is a big overhead cost.

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u(t) is called 60 times per second. t: elapsed time in seconds. c: A 1920x1080 canvas. x: A 2D context for that canvas. S: Math.sin C: Math.cos T: Math.tan R: Generates rgba-strings, ex.: R(255, 255, 255, 0.5)