Hypnotic 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 d/8355 by u/BirdsTweetCodersDweet

function u(t) {

for(c.width|=i=1e3;i--;)x.fillRect(S(t*10+i/50)*i+960,C(t*10+i/50)*i+540,W=i/9+2,W)

Jun 3 2018 4:42 PM UTC

}// 83/140

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Hypnotic

u/BirdsTweetCodersDweet

Make it t*20 for a better effect - I lowered it to be kind to people scrolling
u/DataMeta

t*10 --> t*12 in the x pos gives it a nice slow spin on the depth axis, but it looses the 'clean' feel of the 2d spinner. Nice dweet!


      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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