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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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remix of d/10939 by u/veubeke

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function u(t) {

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  • katkip: Yup
  • magna: Whoa.
  • jylikangas: Unfortunately even with using var declaration and really low resolution this is really slow. I'll post a 140b version later.

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  • pavel: This really wants to be faster but I'm out of bytes!
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  • pavel: Nice! There is some flicker but you saved enough bytes to fix p=i=>99*[0,0,3-i,1,6-i,2,i-5,i-7][~~i];for(c.width|=i=8,x.rotate(7),T=8*t%8;i--;m+7&7&&x.fillRect(p(m?i:T)+450,p(m?6-i&7:8-T),90,90))m=~~T-i
  • jylikangas: This was fun. I also tried two totally different implementations but it seems your approach is the best.
  • katkip: Haha that's fun

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remix of d/10932 by u/veubeke

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Xen
remix of d/10945 by u/pavel

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remix of d/10928 by u/pavel

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  • cantelope: @pavel, if you ever find that you just can't get it working within 140b, you have 2 options, the handy compressor @ d/9207, or there's also https://codegolf.tk which allows up to 1kb with bonus cred for getting under 512 or 140.. full disclosure, i run codegolf.tk. brilliant work btw. :)
  • prplz: third option: keep trying all day
  • cantelope: @prplz, of course. how stupid of me. obviously i was advocating giving up easily.

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remix of d/10932 by u/veubeke

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  • katkip: Owwww woottt thats awesome
  • rodrigo.siqueira: SOURCE CODE: for(c.width|=i=9;i--;x.transform(k=.62*C(a=S(t)*1.57),s=.62*S(a),-s,k,w,w))x.rect(1,1,x.lineWidth=w=300,w),x.quadraticCurveTo((z=150)+S(t)*z,z-S(t)*z,w,w);x.stroke();

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