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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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remix of d/27290 by u/vgel

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  • dithered donut #sdf
  • u/vgel
    got inspired by d/16174 for some ways to shrink it further :-)
  • u/Xen
    shaved a few: for(w=p=c.width|=H=Math.hypot;p+=279,X=(Q=p%w)/1e3-1,p<2e6;x.fillRect(Q,W,s=60/i,s))for(Z=i=D=1;++i<9&D>.1;)Z-=D=H((H((C(t)*X-S(t)*Z),(W=p/w)/500-1)-.4),(C(t)*Z+S(t)*X))-.1
  • u/joeytwiddle
    Nice effect!

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function u(t) {

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  • Red pixel interaction
  • u/rodrigo.siqueira
    Two code golf tricks here: x.fillRect(0,0,i=2e3,i*!t)
  • u/danny@hille.dk
    nice trick i*!t!!!! - slight golf: 111b for(x.fillRect(0,0,i=2e3,i*!t);i--;x.fillStyle=R(235-(S(i*i+t)*2+2|0)*62))x.fillRect(37*(i/28|0),i%28*39,30,30)

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  • Senior developer's daily contributions

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function u(t) {

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  • My first dweet!
  • u/Xen
    welcome to the dwitter family!

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function u(t) {

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  • Dancing lines

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  • 3D Rotating Donut from "a1k0n.net" ported and shortened to Dwitter. Sorry if it's not a totally original content. I still think it's cool that this is possible here. Consider it proof of concept and inspiration. #compressed

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remix of d/26994 by u/hoplite

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  • sadly had to use compression, the actual code is quite elegant =P

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