New #Attractor 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.

Try the new frontend: beta.dwitter.net
Current theme challenge: #Opposites

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katkip

function u(t) {

t||(c.width=700,X=Y=0)
for(i=420;i--;)x.fillRect(180+(X+=S(Y/4))*170,130+(Y+=C(X-S(Y-X)))*70,1,1),X%=2,Y%=3.1

May 12 2022 11:24 AM UTC

}// 109/140

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strange seashell #attractor

u/katkip

i missed dwitter

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rodrigo.siqueira

remix of d/24801 by u/rep_movsd

function u(t) {

X=Y=0
G=_=>7*X*X/(1+X*X)-X*.799
for(I=4e4;I--;x.fillRect(425+I%2*930+X*18,540+Y*29,.2,t<1))Z=X,X=Y+G()+(1-Y*Y/9)*Y/180,Y=G()+S(t)/35-Z

Jan 20 2022 8:14 PM UTC

}// 134/140

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A gentle touch of hands #attractor

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rep_movsd

function u(t) {

eval(unescape(escape`𭁼𯀨𦀽𣐽𛠸𛁂🐮𜀵𛁙🐰𛁁🐮𜀰𜀹𛁣𛡳𭁹𫁥𛡦𪑬𭁥𬠽𙱢𫁵𬠨𛠵𬁸𚐠𪑮𭡥𬡴𚀱𚐧𚐊𡰽𧰽🠭𣐪𦀫𜰮𝠪𦀪𦀯𚀱𚱘𚡘𚐊𩡯𬠨𢐽𚁴🀴𚐪𝁥𝀻𢐭𛐻𮀮𩡩𫁬𤡥𨱴𚀹𝠰𚱘𚠱𞐬𝐴𜀫𦐪𜠹𛀮𜠬𛠲𚐩𦠽𦀬𦀽𦐫𡰨𚐫𠐪𚀱𛑂𚡙𚡙𚐪𦐬𦐽𛑚𚱇𚀩`.replace(/u../g,'')))

Jan 20 2022 9:37 AM UTC

}// 135/140

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Gumowski-Mira Mythic Bird

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rep_movsd

function u(t) {

t||(X=Y=.1)
G=_=>-.38*X+1.38*X*X*Math.exp((1-X*X)/4)
for(I=D=1e3;I--;x.fillRect(D+X*70,540+Y*50,.2,.2))Z=X,X=Y+.01*Y*(1-.1*Y*Y)+G(),Y=G()-Z

Jan 20 2022 8:46 AM UTC

}// 139/140

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Gumowski-Mira attractor

u/rep_movsd

#fractal #attractor #chaos #waitforit

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rodrigo.siqueira

remix of d/23661 by u/rodrigo.siqueira

function u(t) {

A=a=b=.8/t;s=130
for(i=1e4;--i;b=A,A=a)x.fillStyle=R(a*50,x.fillRect(840+a*s,470+b*s,.9,t<2),30*b),a=1-b+Math.abs(a/2+1/b/2e3)*C(a-4)

Aug 28 2021 12:25 AM UTC

}// 133/140

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Alien cell #attractor

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rodrigo.siqueira

remix of d/14641 by u/rodrigo.siqueira

function u(t) {

A=Z=a=b=-.1+t/15;s=77
for(i=2e4;--i;)x.fillStyle=R(a*45,b*25,S(b)*s),x.fillRect(780+a*s,310+b*s,.5,t<1),a=1.75-b+Math.abs(S(a)+a),b=A,A=a

Aug 27 2021 5:43 PM UTC

}// 137/140

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The Gingerbread Man #attractor is a man. A small remix revealed previously hidden details. #gingerbreadman

Show more comments…
u/katkip

looks like a bear haha
u/tomxor

aww maan!
u/danny@hille.dk

slightly inappropriate owlbear - love it😃
u/tomxor

lol, I was enjoying this innocently until you said that.
u/sigveseb

This one rulez!
u/danny@hille.dk

It really is quite awesome!!! but what is Baymax doing in a fractal?

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Tekmap

remix of d/23135 by u/rodrigo.siqueira

function u(t) {

for(j=99;j--;)for(X=j%2?X:A=Math.random()-1,Y=-1,i=700;i--;x.fillRect(-1600*X,Y*530+999,.1,t<3))X=X*X-Y*X+(Y+=2*X*Y-1,2*A)

Jun 17 2021 1:30 PM UTC

}// 122/140

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#Ring #Attractor #Chaos

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rodrigo.siqueira

remix of d/23128 by u/Tekmap

function u(t) {

for(j=99;j--;)for(X=j%2?X:A=Math.random()-1,Y=-1,i=700;i--;x.fillRect(-1600*X,Y*530+999,.1,t<3))X=X*X-Y*X+(Y+=2*X*Y-1,A)

Jun 17 2021 1:22 PM UTC

}// 120/140

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Chaotic structure #chaos #attractor

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robbyg

remix of d/12078 by u/robbyg

function u(t) {

c.width+=X=Y=Z=0;for(i=3e3;i--;Z=X)x.fillRect(X=960+(S(2*Y)-C(2*X+t))*470,Y=540+(S(4*Z)-C(2*Y-t*3))*260,9,3)

May 5 2021 3:45 PM UTC

}// 108/140

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I hadn't played with an #attractor lately. They really play to my strength of "change random stuff until something neat happens".

u/taupelink

That's my method too!
u/lars-erik

Which way is inside out? 😮🤷‍♂️

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rodrigo.siqueira

remix of d/21538 by u/rodrigo.siqueira

function u(t) {

x.fillRect(0,0,2e3,2e3)
V=X=Y=Z=28
for(i=999;i--;x.clearRect(1700+a*99,Z*V-i+99,6,6))Z+=(X*Y-Z)/V,X+=Y/9-X/5,Y+=X*(V-Z+S(t/6))/92,a=C(X+t)+Y

Feb 10 2021 1:29 PM UTC

}// 140/140

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Rotating #lorenz tornado #attractor

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