Dwitter | keithclark (356)

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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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  • keithclark: Managed to shave off enough bytes to get Y axis movement. Hat tip to @prplz for help saving bytes
  • keithclark: For better resolution, at the expense of FPS:
  • keithclark: for(c.width=640,i=4e3;i--;i&512||x.fillRect(320-(3-S(t)-i%8)*J,240+((i/8&7)-3.7+t%1)*J,J/=2,J))J=5e3/(i/64+t%2*8),x.fillStyle=R(q=2e4/J,q,q)
  • lionleaf: #d3 #depth #cube

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  • keithclark: Managed to create a flat sea. Had to trade off the nice distance fog effect.

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  • keithclark: This one has water - not flat unfortunately. Had to trade off the pseudo-shading to fit the colour change int

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  • keithclark: I'm working on a version with green mountains and water but I need to shave a few bytes of this one first. Suggestions welcome

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  • keithclark: I was hoping for a more interesting vertical path but couldn't find enough bytes.
  • AnnanFay: S(G+t) saves a character.
  • keithclark: Thanks - that was left over from a previous optimisation for computing a different Y offset

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