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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/15979 by u/tomxor

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remix of d/15951 by u/tomxor

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  • tomxor: Ray Marching SDF Gone Wrong
  • tomxor: Not sure what Z represents anymore, it's essentially chaotic marching...
  • tomxor: Oh, i see it now, it's a #stargate just add glyphs

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remix of d/15947 by u/tomxor

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  • tomxor: Ray Marching SDF Sphere+Meltyness

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  • tomxor: Ray Marching SDF Sphere+Bumps
  • tomxor: Specifically, sphere tracing, with axis aligned field, i.e no perspective, marching along Z only. The sphere is not rotating, the simple displacement map is just being pushed through it's x.
  • yonatan: orthogonal raymarching... nice idea
  • tomxor: You said it more succinctly :)

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remix of d/15822 by u/joe.m

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  • tomxor: Limited Range Delta Compression - Fit 200 chars! with extreme limitations :D
  • Load older comments...
  • tomxor: Here's the encoder if you are looking for a very contrived adventure: f=(s,x=96,b=16,o='')=>{for(p=0,i=0;i<s.length;){x+=d=s.charCodeAt(i)-x;p|=d+b<<((i%4^2)*5);++i%4?0:p=o+=String.fromCodePoint(p+0x10000)}return o;}; f('helloooworld')
  • tomxor: ... don't try this, seriously, you can't even get a for loop started
  • tomxor: #compressor

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  • tomxor: Saved 9 more... although it decodes at 1 bit per second !!
  • tomxor: Decoder now = 90 chars, leaving 50*20/7 = 142 chars of content yay! +2 chars
  • tomxor: To break even with 184 chars, 184*7/20 = 67 20bit chars, leaving 73 for decoder, not sure this is possible :/
  • tomxor: ... I guess 1bit/s is just not good enough for the internet of the 21st century XD

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  • tomxor: Just for the kicks, only actually saved 4 bytes. Still way off 184 for actual content

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remix of d/15643 by u/yonatan

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