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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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  • pavel: Two-color phong specular shaded torus
  • pavel: 166 for(j=22;q=C(v=j--/8),r=300+150*q,z=S(v);)for(i=114;u=i--/18;x.fillRect(947+r*C(u),528+r*S(u),25,25))f=2*z*(q*C(u)*S(t)+z*C(t))-C(t),x.fillStyle=R(g=f*f*256,g,g+20*f)
  • tomxor: Nice #shading #torus
  • f8f82804: #d3 #phong

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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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remix of d/9174 by u/f8f82804

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remix of d/9180 by u/f8f82804

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remix of d/9162 by u/f8f82804

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remix of d/9161 by u/f8f82804

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