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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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rodrigo.siqueira

remix of d/19759 by u/katkip

function u(t) {

f=(X,Y,n=210)=>Y*Y>n?n:f(2*X*Y-.6,Y*Y-X*X+.13,n-1);for(i=2e3;i--;x.fillRect(i,Y,1,1))Y=t*60,x.fillStyle=`hsl(${f(i/500-2,Y/500-1)},90%,50%)`

Aug 23 2020 9:55 PM UTC

}// 140/140

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#uncompressed #julia set #fractal

u/Xen

nice!

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rodrigo.siqueira

remix of d/19066 by u/rodrigo.siqueira

function u(t) {

for(j=120;j--;)for(i=214,f=(X,Y,n=0)=>X*X+Y*Y<i?f(X*X-Y*Y-T(t),2*X*Y+1,n+16):x.fillStyle=R(n);i--;f(i/25-4,j/20-3))x.fillRect(i*9,j*9,9,9)

Jun 29 2020 4:53 AM UTC

}// 138/140

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Animated #Julia Set #fractal

u/katkip

beautiful

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rodrigo.siqueira

remix of d/18782 by u/rodrigo.siqueira

function u(t) {

for(i=2e3,f=(X,Y,n=0)=>Y<9?f(X*X-Y*Y-.58,2*X*Y+.58,n+.2):x.fillStyle=`hsl(${i/4},85%,${n*n}%`;i--;x.fillRect(i,t*60,1,999))f(i/480-2,1-t/9)

May 18 2020 3:47 PM UTC

}// 139/140

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Color star dust #Fractal #Julia for c = −0.58 + 0.58i

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rodrigo.siqueira

remix of d/20439 by u/rodrigo.siqueira

function u(t) {

for(i=2e3,f=(X,Y,n=120)=>T(X)<9?f(X*X-Y*Y-.8,2*X*Y+.2,n-3):x.fillStyle=`hsl(${i/8},80%,${C(n)*n}%`;i--;x.fillRect(i,t*60,1,1))f(i/3e3,t/50)

Jan 26 2021 1:52 PM UTC

}// 139/140

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Loopy spirals #fractal #julia (same fractal from previous remix, but with new coloring method)

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Pascal

function u(t) {

f=(X,Y,n=80)=>X*X+Y*Y<n?f(X*X-Y*Y-.8,2*X*Y-.2,--n):n/80
for(X=1920;X--;)x.fillRect(1920-X,Y=t*60,a=1-f(X/600-1.6,Y/600-.9)**2,a)

Jan 23 2021 9:03 PM UTC

}// 128/140

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#julia #fractal for c = -0.8 - 0.2i

u/Qwitter

Cool.

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danny@hille.dk

remix of d/19818 by u/rodrigo.siqueira

function u(t) {

f=(X,Y,n=97)=>Y*Y>n?n:f(2*X*Y-.7,Y*Y-X*X,n+9);for(m=i=960;i--;x.fillRect(i*2,1,2,2))x.fillStyle=R(k=f(i/m,(t%45)/30),k/2);x.drawImage(c,0,2)

Oct 23 2020 2:07 PM UTC

}// 140/140

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#julia scroll (repeats after 45 seconds)

u/danny@hille.dk

#fractal

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katkip

remix of d/19192 by u/katkip

function u(t) {

f=(x,y,n=20)=>n>0?f(2*x*y-.1,.7-y*y+x*x,n-.5):x
q=x=>S(x);for(i=3999;i--;)f(X=q(i*t+t/9)*2,Y=q(i*t)*4)?x.fillRect(Y*540+960,X*540+540,3,3):0

Jun 19 2020 1:37 PM UTC

}// 140/140

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my second julia-like fractal made from scratch o_O #slowrender #julia #fractal

u/katkip

i discovered a short rendering method
u/katkip

q=x=>S(x) was initially a random function between -1 and 1

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rodrigo.siqueira

remix of d/18807 by u/rodrigo.siqueira

function u(t) {

for(i=2e3,f=(X,Y,n=72)=>X+Y<n?f(X*X-Y*Y-.8,2*X*Y+.2,n-1):x.fillStyle=`hsl(${n},80%,${n*2}%`;i--;x.fillRect(i,t*60,1,9))f(i/8e3-.2,.7-t/99)

May 16 2020 11:50 PM UTC

}// 138/140

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White Orange #Julia #Spiral zoom

u/joeytwiddle

Peach and leafy

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rodrigo.siqueira

remix of d/18760 by u/rodrigo.siqueira

function u(t) {

for(let i=2e3,f=(X,Y,n=12)=>Y?f(X*X-Y*Y-.9,2*Y*X-Y*Y,n-.2):x.fillStyle=`hsl(${n*4},99%,${n**2}%`;i--;x.fillRect(i,t*60,1,9))f(i/500-2,1-t/9)

May 14 2020 4:02 PM UTC

}// 140/140

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MandelJulia - #Julia set with #Mandelbrot patterns #fractal

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rodrigo.siqueira

remix of d/18558 by u/rodrigo.siqueira

function u(t) {

for(let i=2e3,f=(X,Y,n=21)=>X*X<n?f(X*X-Y*Y-.85,2*X*Y+.2,n-1):x.fillStyle=`hsl(9,99%,${n**2}%`;i--;x.fillRect(i,t*60,1,999))f(i/490-2,1-t/9)

May 1 2020 3:20 PM UTC

}// 140/140

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Red Dragon #Julia #Fractal (wait for it)

u/KilledByAPixel

Very nice

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