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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/10574 by u/rbong

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  • rbong: Rainbow Cycling Mandelbrot
  • rbong: #rainbow #fractal #mandelbrot
  • rbong: This version has true color cycling, an animated Julia set, and is centered, but it's 18 characters over:
  • rbong: for(n=200;n-=1/64;x.fillStyle=\`hsl(${t*999+k*22},99%,50%)\`,x.fillRect(n%3*666,n*5,16,16))for(r=C(t*3),i=S(t*4),k=28;--k/r;i=j)j=2*r*i+1-n/99,r=r*r-i*i+1-(n%3)

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remix of d/697 by u/p01

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  • rbong: Rainbow Fractal Slice
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  • rbong: Looks a bit heavier than the original because I had to slow it down, but it's the same intensity. I would like to make a faster Mandelbrot/Julia set. This is closer to the original effect:
  • rbong: c.width|=0;for(n=200;n-=1/64;x.fillStyle=hsl(${k*22},99%,50%),x.fillRect(n%3*666,n*5,16,16))for(r=C(t*3),i=S(t*4),k=28;--k/r;i=j)j=2*r*i+1-n/99,r=r*r-i*i+1-n%3
  • rbong: Insert backticks where the style changes in that comment, I can't edit it

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remix of d/3713 by u/bobdunn

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remix of d/9820 by u/f8f82804

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remix of d/9185 by u/f8f82804

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  • f8f82804: Correct shadows are implemented with the 0<α factor. To golf this in, I had to drop the diffuse reflection term and reuse constants. Palette improvements just took tweaking without extra characters.
  • f8f82804: Loop restructuring also give a very slight FPS improvement.

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