Top #Fractal 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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katkip

function u(t) {

t||x.translate(960,540);x.rotate(Math.PI/2.001);x.fillRect(0,420,50,200),x.fillStyle=R(128+T(t),0,128+S(t*9)*128);x.drawImage(c,0,0,2e3,1e3)

Dec 5 2018 2:55 PM UTC

}// 140/140

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#fractal

u/metamero

beautiful!

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katkip

remix of d/11033 by u/katkip

function u(t) {

t||x.translate(960,540);x.fillStyle=`hsl(${t*99} 99%50%)`;x.fillRect(0,00,10,999);x.drawImage(c,200,200,800,800);x.rotate(Math.PI/4+.005)

Nov 17 2018 7:22 PM UTC

}// 137/140

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AWESOME #waitforit #fractal

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katkip

function u(t) {

if(!t)x.translate(960,0),x.rotate(.79);for(i=0;i<48;i++)for(j=0;j<48;j++)x.fillStyle=(t*i/6&j*t/6)?"#fff":"#000",x.fillRect(i*30,j*30,30,30)

Oct 27 2018 4:42 PM UTC

}// 140/140

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Simpliest #sierpinski #fractal

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rbong

remix of d/10574 by u/rbong

function u(t) {

for(n=200;n-=1/64;x.fillStyle=`hsl(${t*k*30},99%,50%)`,x.fillRect(n%3*666,n*5,16,16))for(r=i=0,k=28;--k/r;i=j)j=2*r*i+1-n/99,r=r*r-i*i-(n%3)

Oct 21 2018 3:46 PM UTC

}// 140/140

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Rainbow Cycling Mandelbrot

u/rbong

#rainbow #fractal #mandelbrot
u/rbong

This version has true color cycling, an animated Julia set, and is centered, but it's 18 characters over:
u/rbong

for(n=200;n-=1/64;x.fillStyle=\`hsl(${t*999+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)

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katkip

remix of d/9554 by u/katkip

function u(t) {

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

Aug 30 2018 1:42 PM UTC

}// 112/140

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Noundworld #fractal #waitforit

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firegodjr

remix of d/8952 by u/firegodjr

function u(t) {

F=n=>{return `hsl(${n},99%,50%`}
x.drawImage(c,0,l=10)
for(j=214;j--;)x.fillStyle=F(j+t*60|t*60-j),x.fillRect(j*l,0,l,l)

Aug 1 2018 9:31 PM UTC

}// 120/140

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Quilted Bitwise Fractal!

u/firegodjr

#fractal

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katkip

remix of d/8981 by u/geb

function u(t) {

F=n=>{return T(n*n)<22/7}
x.drawImage(c,0,l=10)
for(j=214;j--;)x.fillStyle=F(j|t*40)?"#000":"#0f0",x.fillRect(j*l,0,l,l)

Aug 1 2018 9:05 PM UTC

}// 120/140

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#Sierpinsky #fractal #city

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Barth

function u(t) {

for(i=0;i<Math.floor(t*5);i++)for(j=0;j<20;j++)
x.fillRect(500/(i+1)+1000,500/(j+1)+100,500/(j+1),500/(i+1))

Apr 25 2018 8:04 AM UTC

}// 109/140

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easy #fractal

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Tekmap

remix of d/15112 by u/f8f82804

function u(t) {

t||(j=a=b=.3)
for(i=99;i--;){
j+=2*Math.random()+1
a-=(a-(j&1))/2
b-=(2*b-(j&2))/4
x.fillRect(480+960*a,960*b,1,1)
}

Jun 12 2021 5:34 PM UTC

}// 116/140

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#Fractal #Squares

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RallerenP

function u(t) {

p=[[960,0],[270,1080],[1650,1080]];i=3*Math.random()|0;t?h=[h[0]+.5*(p[i][0]-h[0]),h[1]+.5*(p[i][1]-h[1])]:h=p[0],x.fillRect(...h,2,2)

Mar 20 2021 5:47 PM UTC

}// 134/140

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Chaos Game #fractal

u/Xen

Welcome to the dwitter family!

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