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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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function u(t) {

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  • dunno what to label this remix

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  • u/danny@hille.dk
    c.width=w=127;for(m=w*w;m--;x.fillStyle=R(r=m/8+S(a/9)*S(b/6+t*9+S(a/8-t*3))*w,r*.6))e=(X=1-4*m/w/w)*X+(Y=-2+4*(m%w)/w)*Y,x.fillRect(a=m%w,b=m/w,1,(Y*(o=(3-(4-5*e)**.5)/++e)*w+t*w&w^X*o*w&w)/w*2)
  • u/neimad
    wtffffffff
  • u/magna
    constraints stoke fire
  • u/ullo
    good

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p01

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  • BOING! A 138bytes tribute to the legendary Amiga demo

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function u(t) {

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  • Many more #ball s! n=100 makes a neat pattern

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remix of d/24349 by u/pavel

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function u(t) {

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  • bouncy bouncy remix

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remix of d/23544 by u/pavel

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  • u/pavel
    -2 char using S(t%3.14) to bounce and inlining the single Math.abs call
  • u/danny@hille.dk
    What a clever trick, using modulus pi of t, to only get the positive part of the sinus curve
  • u/danny@hille.dk
    3.2 works fine, while 3 and 3.1 looks wrong
  • u/danny@hille.dk
    test code: c.width|=0,x.fillRect(o=860,o-S(t*4%3.2)*o,200,200)

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  • Now i suck a football/soccer both IRL and virtual :-)

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  • Surface swapping #ball

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