dwitter.net | rbong (93)

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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.
Theme challenge of the month: #cavern
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remix of d/10745 by u/rbong

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}//
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  • Spirals

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remix of d/10732 by u/katkip

function u(t) {

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  • Fingerprints

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function u(t) {

}//
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  • Scanline Rainbow Mandelbrot Section
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  • u/tomxor
    I'd love to see more fractals, especially more esoteric ones, keep up the good work rbong.
  • u/katkip
    Great job bro!! I love this one!
  • u/lionleaf
    Amazing!
  • u/iverjo
    #slow_render

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function u(t) {

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  • Useless WebAssembly Example

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remix of d/10574 by u/rbong

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  • Rainbow Cycling Mandelbrot
  • u/rbong
    #rainbow #fractal #mandelbrot
  • u/rbong
    This version has true color cycling, an animated Julia set, and is centered, but it's 18 characters over:
  • u/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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  • Rainbow Fractal Slice
  • u/rbong
    #fractal #rainbow
  • u/prplz
    #heavy
  • u/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:
  • u/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
  • u/rbong
    Insert backticks where the style changes in that comment, I can't edit it

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remix of d/7094 by u/AnnanFay

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  • Rain in reverse

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  • Hypnosis

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function u(t) {

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  • Droplets

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function u(t) {

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  • Classic Twister Effect
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  • u/Purpzie
    Shortened by 10 characters: c.height|= p=m=>(S(Y+t+m*90)+1)*250;for(i=108;i--,Y=(0|i/4)*40;a<b&&x.fillRect(a,Y,b-a,40))x.fillStyle=R(a=p(m=i%4),50,b=p(m+1%4))
  • u/Purpzie
    Oh woops it should be c.height|=p=m=>(S(Y+t+m*90)+1)*250;for(i=108;i--,Y=(0|i/4)*40;a<b&&x.fillRect(a,Y,b-a,40))x.fillStyle=R(a=p(m=i%4),50,b=p(m+1%4))
  • u/Purpzie
    Okay dwitter hates me now, there should be a newline afterc.height|=
  • u/Purpzie
    Honestly there should be an edit button for comments. Forgot to mention I changed the color but it has no effect on code length

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