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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.
Current theme challenge: #ScaryMovies
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  • u/ciaccodavide
    different belt: for(c.width|=1,k=(1-T(t))*99,i=2e3;i--;)i<9?x[r](i*99+T(t)*300,400+(-1)**i*k*(k>0),50,200):x[r='fillRect'](i,300,.3*((t*3e3-i)%99<4)+.1,400)

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  • Press F12 to view animation on console. #hack

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remix of d/24141 by u/tomxor

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  • u/ciaccodavide
    oooooh, I love dithering! Nice one!
  • u/tomxor
    me too :) I didn't realise how simple the algorithm was before no, and it can be done in a single pass because it's only half a 2d kernel. Tweaking the coefficients (*R) can be fun, e.g 7*R=>5*R, 3*R=>5*R better preserves the dark and light areas in this image.
  • u/magna
    Wow

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  • GANTZ

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