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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: #crypto
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  • C64 style copperbars/rasterbars
  • u/Xen
    love it
  • u/danny@hille.dk
    much better version:for(w=c.width=200,x.fillRect(0,0,w,w),q=5;q--;)for(i=9;i--;)x.fillStyle=hsl(${q*50},70%,${99-Math.abs((i-4)*20)}%,x.fillRect(0,9+S(C(t/9)+S(t*2-q))*9+i,w,1);x.fillText('C64',94,18)
  • u/marc8
    #c64

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  • #c64 10 PRINT CHR$(205.5+RND(1)); : GOTO 10
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  • u/andrea270872
    I learned programming with a C64! Ah, the nostalgia :)
  • u/loktar
    @andrea270872 same here actually, although I've accumulated many more Commodores and various models since then haha
  • u/joeytwiddle
    I just learned about that book today, through a different channel
  • u/joeytwiddle
    C64 lovers might like this: http://www.oneliner64.com/

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  • Calculating #pi based on a formula I found in a Commodore 64 manual. Googling says it's the Gregory-Leibniz series.

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