dwitter.net | IV (3735)

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function u(t) {
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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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IV

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  • no room for games #text

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IV

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  • u/IV
    I think someone did a compressed one already. This one is 193B: t||(C=12,N=90,m=0);for(n=[i=N*N];i--;){u=i%N;v=~~(i/N);for(S=z=9;z--;S-=m[(~(z/3)+2+u)+(z%3-1+v)*N]|0); x.fillStyle=R(s=(n[i]=m?S-5?S==6|0:m[i]:new Date%2)*255,s,s),x.fillRect(u*C,v*C,C,C)};m=n
  • u/IV
    I have a toroidal version of 172B (166 without the wrapping) using a shorter draw, but the compressor doesnt like it: t||(C=12,N=90,m=0);for(n=[i=N*N];i--;){u=i%N;v=-~(i/N);for(S=z=9;z--;S-=m[(~(z/3)+2+u+N)%N+(z%3-2+v+N)%N*N]); x.fillText('⬛⬜'[n[i]=m?S-5?S==6|0:m[i]:new Date%2],u*C,v*C) };m=n
  • u/DaSpider
    #conway #gameOfLife

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remix of d/19547 by u/tomxor

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  • u/tomxor
    So cool! haven't seen anything like this before.
  • u/KilledByAPixel
    Thanks! It is an original idea but may have been done before. Need to experiment with it more.
  • u/tomxor
    After pulling it apart this is a lot like the doom fire et al - as an automata it is a non-totalistic anisotropic neighborhood. But having it interact with the static geometry as part of the state is a neat idea. I used a similar technique here: d/18720 but no interesting geometry.
  • u/tomxor
    Now you got me back into automata again :P wondering what other fun anisotropic neighborhoods there might be.
  • u/donbright
    this is incredible

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remix of d/19535 by u/IV

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  • more pixels, less speed, easier to watch, and more shells. #physics ?

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remix of d/19511 by u/IV

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  • u/IV
    drop in a t*=3; to hurry it up. change "with(g." to "with(c, " while remixing. change c back to g before posting.
  • u/IV
    @nikiloffgeorgi
  • u/IV
    139B: t||c.replaceWith(g=c.cloneNode());with(g.getContext('webgl'))(enable(3089),s=S(t),scissor(t,Y=s*s*t,50,Y),clearColor(0,0,0,1),clear(16384))

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remix of d/9098 by u/mvs202

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  • fixed on #Edge, made space by removing mod on colour, decreased alpha. ahhh better.

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IV

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  • a very nippy electron #tiny3d

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