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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/24349 by u/pavel

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  • Now i suck a football/soccer both IRL and virtual :-)

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  • bouncy bouncy remix

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  • dunno what to label this remix

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  • bug fix & tweek remix

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remix of d/23549 by u/tomxor

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  • u/danny@hille.dk
    I distinctly remember the grid to be blue... but all the youtube videos shows it to be purple... I think it's a conspiracy :-)
  • u/ullo
    i like
  • u/KilledByAPixel
    dweetabase updated! https://dweetabase.3d2k.com/
  • u/tomxor
    I can't find it now but I seem to remember reading about how emulated colours of amigas look different from real amiga video output. The emulators are probably just spitting out the RGB values and letting the host OS do the gamma etc. I suspect real amiga video output must have been a bit "coloured" which causes this difference.

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remix of d/23544 by u/pavel

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  • u/pavel
    -2 char using S(t%3.14) to bounce and inlining the single Math.abs call
  • u/danny@hille.dk
    What a clever trick, using modulus pi of t, to only get the positive part of the sinus curve
  • u/danny@hille.dk
    3.2 works fine, while 3 and 3.1 looks wrong
  • u/danny@hille.dk
    test code: c.width|=0,x.fillRect(o=860,o-S(t*4%3.2)*o,200,200)

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  • u/danny@hille.dk
    c.width=w=127;for(m=w*w;m--;x.fillStyle=R(r=m/8+S(a/9)*S(b/6+t*9+S(a/8-t*3))*w,r*.6))e=(X=1-4*m/w/w)*X+(Y=-2+4*(m%w)/w)*Y,x.fillRect(a=m%w,b=m/w,1,(Y*(o=(3-(4-5*e)**.5)/++e)*w+t*w&w^X*o*w&w)/w*2)
  • u/neimad
    wtffffffff
  • u/magna
    constraints stoke fire
  • u/ullo
    good

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