More colour by BirdsTweetCodersDweet

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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BirdsTweetCodersDweet

remix of [deleted]

function u(t) {

x.rotate(c.width^=0.5,a=9e3)
for(i=1e3;i--;)x.fillRect(50*i+S(t/100)*a-a,-a/3,25,a),x.fillStyle=`hsl(${t*9+(i*20)},50%,50%)`

Apr 1 2018 3:34 PM UTC

}// 124/140

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More colour

u/BirdsTweetCodersDweet

Feel free to play around :D... Might make this into something better soon if all goes well, but that's a secret for now...
u/BirdsTweetCodersDweet

You can also change c.width^=0.5 to c or delete it entirely (d/7538) to get other weird effects...
u/BuRRak

t/frame instead of c.width^=0.5 also makes it look cool
u/BuRRak

and changing the variable a also makes it nice


      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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