Top #Automaton dweets

function u(t) {

c.width=1920 // clear the canvas
for(i=0;i<9;i++)
x.fillRect(400+i*100+S(t)*300,400,50,200) // draw 50x200 rects

} // 122/140

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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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KilledByAPixel

remix of d/15051 by u/KilledByAPixel

function u(t) {

c.width=w=240
t%1<.01?d=Date.now():C=C=>!!u[i+C]
for(i=4e4;i--;x.fillRect(i%w,i/w|0,1,!a))a=u[i]=d&2**(8*C(-w)+4*C(w)+2*C(-1)+C(1))

Jan 16 2022 7:48 PM UTC

}// 131/140

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2D Automata (FLASHING WARNING) rules change every second

u/KilledByAPixel

#Automaton

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KilledByAPixel

remix of d/15051 by u/KilledByAPixel

function u(t) {

eval(unescape(escape`󪜽󜬴󜌊󩭯󬬨󠬽󭌿󦼮󛬮󠝝󞭁󟝛󩌽󡍡󭍥󛭮󫽷󚍺󟜲󝜶󚝝󞽩󛜭󞽸󛭦󪝬󫍒󩝣󭌨󪜪󞌬󭌪󝬰󚬸󛌸󛌸󛍸󛭦󪝬󫍓󭍹󫍥󟝒󚍡󚭺󛍁󦽩󚽺󧜪󮬬󠝛󪜫󮬪󜭝󚭺󚜩󚝦󫽲󚍪󟜳󞽪󛜭󞼩󨜽󠝛󬜽󪜫󮬪󪭝󟝴󟽓󚍤󚽪󚭪󚜪󜝥󝜦󜬪󚬨󝌪󘜡󠭛󬜭󜝝󚼲󚬡󘝂󦽱󧜫󘜡󠭛󬜫󜝝󚜺󪜽󟜱󜬰`.replace(/u../g,'')))

Dec 27 2021 5:58 PM UTC

}// 140/140

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RBG Elementary Automaton - Tribute to https://www.fxhash.xyz/generative/slug/rgb-e… #Automaton

u/KilledByAPixel

Different every time, reload to see a new one!
u/KilledByAPixel

#fxhash
u/KilledByAPixel

original: https://www.fxhash.xyz/generative/slug/rgb-e…

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KilledByAPixel

remix of d/15050 by u/KilledByAPixel

function u(t) {

RULE=90
t?f++:(f=0,A=[],A[960]=1)
for(a=i=0;i++<1920;A[i]=RULE&2**(4*a+2*(a=!!A[i])+!!A[i+1]))
x.fillRect(i,f,a,a)

Jul 20 2019 4:47 AM UTC

}// 114/140

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Elementary Cellular #Automaton ▲ #Sierpinski #Example

u/KilledByAPixel

Try changing RULE, some good ones are 30 and 73
u/KilledByAPixel

#Automata
u/KilledByAPixel

Rule 110 ~ https://en.wikipedia.org/wiki/Rule_110
u/Xen

fullscreen RULE: -89 is my fav
u/KilledByAPixel

That is awesome. Chaos on one side, order on the other, in the middle a sierpinskitriangle. Btw, there are only 255 rules, -89 is equivalent to 167

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KilledByAPixel

function u(t) {

t?0:(X=699,Y=500,W=20,V=A=[])
for(i=99;--i;x.fillRect(X-=V,Y-=W,20,20))Q=V,V=W,W=-Q,x.fillStyle=(A[q=X+Y*99]=!A[q])?"#000":(V=-V,W=-W,"red")

Jun 3 2019 6:42 PM UTC

}// 140/140

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Langton's Ant

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u/Xen

yo!
u/KilledByAPixel

https://youtu.be/NWBToaXK5T0 - Numberphile video on Langton's Ant
u/KilledByAPixel

#cellular #automata
u/KilledByAPixel

#ant
u/KilledByAPixel

#Automaton
u/KilledByAPixel

#Langton

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nabbydude

remix of d/8811 by u/nabbydude

function u(t) {

x.fillStyle=R(a=w*!x.getImageData(...P).data[0])
d+=!a||3
x.fillRect(...P)
P[j=d%2]+=(d%4<2||h*w-1)*5
P[j]%=(j?h:w)*2}{P=[d=w=960,h=540,5,5]

Jul 5 2018 4:27 PM UTC

}// 140/140

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Golfed my Langton's ant enough to fit in some scaling

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u/nabbydude

(and fix the aspect ratio)
u/aleamb

#cellular #automaton
u/alien

Hi there what is this part doing a=w*!x. ? :)
u/BalintCsala

@alien I think that gets the image data at the current position and if it's red, makes the fillStyle black and vice-versa
u/nabbydude

@alien @BalintCsala is right, x.blahblah is 0 if the pixel is black and 255 if its red, inverting it makes 0 into 1 and 255 into 0, and then we multiply by w because its a big number (>255) to make the color more visible
u/nabbydude

@alien @BalintCsala is right, x.blahblah is 0 if the pixel is black and 255 if its red, inverting it makes 0 into 1 and 255 into 0, and then we multiply by w because its a big number (>255) to make the color more visible

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