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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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  • u/pavel
    192 for(i=c.width|=f=n=>((i/3**n|0)%3-1)*(98+98/(1+1e9**S(t-n-3)));i--;x.fillRect(0,0,99,99))x.fillStyle=R(s=i%3,s+1<<6),x.setTransform(s-1|1,a=-.5,-s%2,~s&1||a,960-f(1)+f(2),540-f(1)/2-f(2)/2+f(3))
  • u/pavel
    194**
  • u/aleamb
    wow!
  • u/katkip
    nice #compressed

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  • Bonsai

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  • DNA CODE

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  • u/yonatan
    arc?!
  • u/anotherkitten
    oh you sly dog very well done
  • u/pavel
    :)
  • u/jylikangas
    Very cool! You can save 3 bytes by removing the unnecessary %1 from t when calculating a and also doing <<7 instead of *128. If someone is wondering how this works using a+1 instead of a at the end may help. :)
  • u/katkip
    #beesandbombs
  • u/pavel
    Removing %1 at the end breaks the animation on my iPhone.

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  • odd spiral

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  • Sharknado

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  • Highway at night #bokeh
  • u/lionleaf
    I like it! #traffic
  • u/magna
    2 chars shorter, yellow headlights: with(x)for(i=fillRect(0,0,c.width=w=255,w)|99;i--;fill(arc((t*b+i)*i%w,99+b,5+b/5,!beginPath(),7)))b=i&1?1:-1,fillStyle=R(w,b*w,b*w*.8,.2)
  • u/aleamb
    absolutely beautiful, magna
  • u/joeytwiddle
    Love it. Reminds me of Mercury - The Timeless. Would be great to get some z-axis going.
  • u/magna
    Thanks folks!

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