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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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Xen

remix of d/14525 by u/rodrigo.siqueira

function u(t) {

for(I=1e3;I;x.fillRect(I--,t*199,X>1,3))for(W=X=I/250-3,Z=Y=t-1.5,T=9;T--;Y=2*U*Y+Z)U=X,X=X*X-Y*Y+W

Jun 17 2019 6:28 PM UTC

}// 99/140

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99byte dwitter #mandelbrot #fractal

u/13thptr

!
u/Xen

massive shoutz to rodrigo, nice clean code, couldn't of golfed this without him!
u/katkip

97 for(I=1e3;I;x.fillRect(I--,t*199,X>1,3))for(W=X=I/250-3,Z=Y=t-2,T=9;T--;Y=2*U*Y+Z)U=X,X=X*X-Y*Y+W

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rodrigo.siqueira

remix of d/4665 by u/ben

function u(t) {

v=(a,b,Φ,r)=>{for(i=~r;i++;x.fillStyle=R(0,Φ*30))x.fillRect(a+=S(Φ),b-=C(Φ),r/30,1)
while(r>3)v(a,b,Φ+S(b)/4+.4,r*=.72)}
v(t*2e4,1450,t,490)

Jun 5 2019 3:02 PM UTC

}// 140/140

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Windy garden #fractal #tree

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pavel

remix of d/10477 by u/pavel

function u(t) {

s=3+15*t%6;i=960-s*365;j=s*210;for(c.width|=a=n=0;n<1e4;T=n=>n&&T(n>>1)-n&1)T(n++)?x.lineTo(i-=s*C(A=a++*355/339),j+=s*S(A)):a-=3;x.stroke()

Nov 6 2018 4:56 AM UTC

}// 140/140

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#koch #fractal

u/13thptr

#zoom #loop

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rodrigo.siqueira

remix of d/29134 by u/rodrigo.siqueira

function u(t) {

for(t?Y++:Y=0,X=3e3;X--;x.fillRect(X,Y,1,f(X/874-1.1,Y/500-1.1)))f=(a,b,n=0)=>b?f(a*a-b*b+.28,T(a*b)*3,n+1):(x.fillStyle=R(n*2,n),S(n/3)+.5)

Dec 15 2023 8:27 PM UTC

}// 140/140

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Fractal Brain #fractal

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rodrigo.siqueira

remix of d/27288 by u/rodrigo.siqueira

function u(t) {

for(c.width=h=300;h--;)for(v=186;v--;x.fillRect(h+S(i*b+t)*a,v,2,b))for(a=b=0,i=12;i--;b=2*S(f)+v/81-1)f=a*b,a=a*a-b*b-2+h/99

Apr 22 2023 5:30 PM UTC

}// 125/140

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Mandelbrot anthill #fractal #mandelbrot #ant

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PotatoImaginator

function u(t) {

eval(unescape(escape`挮睩摴栽㔱㈊挮獴祬攮扡捫杲潵湤㴧⌰〰✊景爨樽〻樫⬼䵡瑨⹭楮⠱㐴ⰸ⩴⤻⥦潲⡩㴲㔶㭩ⴭ㭸⹦楬汓瑹汥㵒⠰ⰲ⩪ⰱ㈸⭪⤩椦橼籸⹦楬汒散琨㈪椫樫㠪匨樯㠫㐪琩ⰲ⩪ⰲⰲ⤊`.replace(/u(..)/g,"$1%")))

Apr 11 2023 3:56 PM UTC

}// 125/140

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Sierpinski Triangle Wave #sierpinski #fractal #wave #waves

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rodrigo.siqueira

remix of d/26994 by u/hoplite

function u(t) {

for(c.width|=a=260;a--;)for(b=180;b--;x.fillRect(a*8,b*6,i/6,i/8))for(n=m=t,i=60;1/n&&i--;n=e)e=n*n-m*m+a/90-2,m=2*n*m+b/90-1

Feb 3 2023 8:20 PM UTC

}// 125/140

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Evaporating Mandelbrot #mandelbrot #fractal

u/SophiaCristina

Cool! You guys are making me addicted to this website. I'm new and still have to learn lot of the cool tricks. Nice to know about this "c.width|=", i'm still using a number to clean the canvas... :p

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rodrigo.siqueira

remix of d/25303 by u/pavel

function u(t) {

f=(x,y,n=0)=>x/y/X<99?f(x*x-y*y-.8,2*x*T(y)+.2,n+1):C(n/4)/2-.4
for(i=5e4;i--;x.fillRect(X=u&2047,u>>11,f(X/4000+.28,u/8e6-.24),1))u=-~u

Apr 12 2022 2:26 PM UTC

}// 136/140

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Two interlaced spirals #fractal

u/vain

very nice. looks a bit like #bumpmap

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rep_movsd

function u(t) {

eval(unescape(escape`𭀫𚱼𯀨𮀮𩡩𫁬𤡥𨱴𚁘👙🐰𛀰𛁗🐷𩐳𛁗𚐬𨠽𚁫👍𨑴𪀮𬡡𫡤𫱭𚐨𚐭𜠬𨰽𪰨𚐫𜐩𒡦𫱲𚁸𛡦𪑬𫁓𭁹𫁥👠𪁳𫀨𙁻𭀪𝱽𛀹𞐥𛀶𜀥𚑠𛁉👗𚠨𭀼𝰩𞱉𛐭𞰩𮀮𩡩𫁬𤡥𨱴𚀹𜀰𚱘𚠹𞐬𝀰𜀫𦐪𞐹𛀮𝐬𜐯𭀩𛁐🐲𚡃𚁙𚐫𨠪𤰨𦀩𚰱𛁙👣𚡃𚁘𚐫𜠪𤰨𦐩𚰱𛁘👐`.replace(/u../g,'')))

Mar 20 2022 6:02 PM UTC

}// 140/140

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Chaos orb

u/rep_movsd

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u/rep_movsd

#fractal #chaos

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rep_movsd

function u(t) {

eval(unescape(escape`𭁼𯀨𤐽𦀽𦐽𜐭𚁁👍𨑴𪀮𬡡𫡤𫱭𚀩𛰳𚐩𒡆👟🐾𠐪𦀫𜠪𤐪𦀪𦀯𚀱𚱘𚡘𚐪𚠲𒡦𫱲𚁏🐡𭀪𚁉👄🐹𝠰𚐫𛠵𞱉𛐭𞱸𛡦𪑬𫁓𭁹𫁥👠𪁳𫀨𙁻𠐪𡀫𭀪𜐰𯐬𞐹𙐬𙁻𘐡𭀪𝐹𯐥𨀬𒡸𛡦𪑬𫁒𩑣𭀨𡀫𦐪𜐹𞐭𣰬𝐴𜀫𦀪𜐴𞐭𣰬𣰪𜠬𣰪𜠩𚑚👘𛁘👙𚱆𚀩𛁙👆𚀩𛑚`.replace(/u../g,'')))

Jan 10 2022 12:51 PM UTC

}// 140/140

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Randomized Turtle fractal (Gumowski-Mira attractor)

u/rep_movsd

#waitforit #chaos #fractal #organic
u/rep_movsd

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u/Joachim

cool! I especially love it how each combination works well, but yet they are all different

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