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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: #castle
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  • Psychadelic Effect

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  • Broke

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  • Inside The Foggy Spiral

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  • Depth demo
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  • u/pavel
    This requires a bunch more chars and is only needed when objects have unique colors, which requires more. It seems impossible to do this without compression.
  • u/pavel
    Pretty simple technique, when generating the 3d points instead of directly drawing them, store them in an array, sort it by depth back to front, then draw.
  • u/keithclark
    175. Removed need for reverse() by reversing the projection (far points are painted near and vice-versa): for(c.width|=o=[i=w=960];i--;)o[i]=[C(a=i-t/9)*C(b=i*20),S(a)*C(b),S(b),hsl(${i},69%,50%];for([Z,X,Y,x.fillStyle]of o.sort())x.fillRect(w+w*X/(j=2.1-Z),540+w*Y/j,s=50/j/j,s)
  • u/keithclark
    158 - for(c.width|=o=[i=w=708];i--;o[i]=[C(a=i+t)*C(b=i*20),S(a)*C(b),S(b),R(a)]);for([Z,X,Y,x.fillStyle]of o.sort())Z-=2,x.fillRect(960+w*X/Z,540+w*Y/Z,s=50/Z/Z,s)

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  • Demo In a Dweet with Music & Graphics! You might need to click the window to start the audio.

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remix of d/13448 by u/katkip

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  • Counting with rects

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