d/587 by BriSeven

function u(t) {

c.width=1920 // clear the canvas
for(i=0;i<9;i++)
x.fillRect(400+i*100+S(t)*300,400,50,200) // draw 50x200 rects

} // 122/140

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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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BriSeven

function u(t) {

N=50;P=44/7;c.width=1920;for(j=0;j<N;j++)for(i=0;i<N;i++)
x.fillRect(980+S(j/N*P*2)*150+S(i/N*P)*300,
540+C(j/N*P*2)*150+C(t+i/N*P)*300,5,5)

Jan 6 2017 7:37 AM UTC

}// 140/140

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u/iverjo

Cool, a torus!
u/donbright

NICE
u/Purpzie

Shortened by 5 characters: for(c.width|=a=0,N=50,P=44/7;a<N*N;)x.fillRect(980+S((j=0|a++/50)/N*P*2)*150+S((i=a%50)/N*P)*300,540+C(j/N*P*2)*150+C(t+i/N*P)*300,5,5)
u/Cloud

#tor


      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)

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