Even shorter, it's 43 characters now (t… by Purpzie

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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Purpzie

remix of d/10234 by u/Purpzie

function u(t) {

for(a=0,F=[b=1,1];a++-20;)F.push(b+=F[a-b])
x.font='99px"'
x.fillText(F.join(' '),0,500)

Oct 8 2018 5:04 PM UTC

}// 88/140

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Even shorter, it's 43 characters now (the top line only). Output is the array F.

u/yonatan

for(a=0,F=[b=1,1];a++-20;)F[a+1]=b+=F[a-b]
u/Purpzie

Oh, thank you! That's even shorter


      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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