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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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Jezza

function u(t) {

r=Math.random;for(j=99;j--;){d=r();e=r();a=.5;for(i=99;i--;)a=a*(1-a)*d*4,a=a*(1-a)*e*4;x.fillRect(d*1920,e*1080,a,a)}

Apr 21 2019 2:37 AM UTC

}// 118/140

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Lyapunov #fractal (sort of)

u/katkip

#waitforit

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vnf

remix of d/12275 by u/katkip

function u(t) {

a=C(t)<.5;s=S(t)<.5;b=480+(a?1:-1)*50+(s?1:-1)*100;y=270+(!s?1:-1)*50+(a?1:-1)*100;x.fillRect(860,440,200,200);x.drawImage(c,b,y,960,540)

Feb 10 2019 4:30 PM UTC

}// 137/140

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f-fractal, slow but gets there eventually #fractal

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katkip

function u(t) {

r=(X,Y,s)=>{if(s>1)x.beginPath(),x.arc(X,Y,s*2,0,7),x.stroke(),r(X-s,Y,s/2),r(X+s,Y,s/2)}
r(960,540,480)

Dec 31 2018 11:56 AM UTC

}// 104/140

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#recursive circles #recursion #circle #arc #fractal

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katkip

remix of d/11048 by u/katkip

function u(t) {

if(!t)x.translate(960,540);x.fillStyle=R(t*30);x.font='300px"';x.fillText("$",99,99);x.drawImage(c,-300,0,200*t,200*t);x.rotate(Math.PI/1.5)

Nov 18 2018 12:49 PM UTC

}// 140/140

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Money #fractal

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katkip

function u(t) {

{if(!t)x.translate(960,540);x.fillStyle=R(0,t*50);x.font='99px"';x.fillText("⛺",99,99);x.drawImage(c,0,0,123*t,134*t);x.rotate(Math.PI/2)}

Nov 18 2018 12:42 PM UTC

}// 138/140

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My best #fractal

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rbong

remix of d/697 by u/p01

function u(t) {

for(n=210;n-=1/64;x.fillStyle=`hsl(${k*22},99%,50%)`,x.fillRect(n%3*666,n*5,16,16))for(r=C(t),i=S(t),k=28;--k/r;i=j)j=r*i-n/99,r=r*r-i*i-n%3

Oct 20 2018 5:53 PM UTC

}// 140/140

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Rainbow Fractal Slice

u/rbong

#fractal #rainbow
u/prplz

#heavy
u/rbong

Looks a bit heavier than the original because I had to slow it down, but it's the same intensity. I would like to make a faster Mandelbrot/Julia set. This is closer to the original effect:
u/rbong

c.width|=0;for(n=200;n-=1/64;x.fillStyle=hsl(${k*22},99%,50%),x.fillRect(n%3*666,n*5,16,16))for(r=C(t*3),i=S(t*4),k=28;--k/r;i=j)j=2*r*i+1-n/99,r=r*r-i*i+1-n%3
u/rbong

Insert backticks where the style changes in that comment, I can't edit it

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katkip

function u(t) {

if(!t)p=0;{for(i=0;i<9;i++)x.lineTo(-540+i*7+S(p)*540+p*7,540+C(p)*540+C(p));x.stroke();p+=0.1}

Sep 16 2018 8:51 AM UTC

}// 95/140

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BPC #fractal Generator

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katkip

remix of d/9557 by u/katkip

function u(t) {

if(!t){c.width=500;for(i=0;i<500;i++)for(j=0;j<500;j++)x.fillStyle=`hsl(${(i**2&j**2)},100%,50%)`,x.fillRect(i,j,1,1)}

Aug 30 2018 1:57 PM UTC

}// 118/140

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Rendering a lot of Metabycs #fractal

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katkip

remix of d/9556 by u/katkip

function u(t) {

if(!t){c.width=500;for(i=0;i<500;i++)for(j=0;j<500;j++)x.fillStyle=`hsl(${(i**2&j**2)/100},100%,50%)`,x.fillRect(i,j,1,1)}

Aug 30 2018 1:57 PM UTC

}// 122/140

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Rendering Metabycs #fractal

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katkip

remix of d/9555 by u/katkip

function u(t) {

c.width=100;for(i=t*30;i<100+t*30;i++)for(j=t*30;j<100+t*30;j++)x.fillStyle=`hsl(${(i**2&j**2)*t/8},100%,50%)`,x.fillRect(i-t*30,j-t*30,1,1)

Aug 30 2018 1:53 PM UTC

}// 140/140

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#infinite Exploring Metabycs #fractal

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