Random dweets | Dwitter

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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Moosething

function u(t) {

x.globalCompositeOperation='xor';
x.fillRect(960,1079,1,1)
x.drawImage(c,-1,-1)
x.drawImage(c,1,-1)

Jan 11 2018 3:20 PM UTC

}// 99/140

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Show more comments…
u/Xen

nicely done
u/Jezza

Very cool!
u/sandromiccoli

beautiful
u/Qwitter

Nice!
u/nyarmith

wild
u/katkip

#gameoflife
u/katkip

(it really is a game of life rule)

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rodrigo.siqueira

remix of d/34358 by u/dee-gomma

function u(t) {

c.style.filter=`sepia(.2`
if(t<.2)for(n=i=7e4;i--;x.fillRect(940+180*l*S(q=i/3600-S(i*i/t)/2),540+460*C(l/1.1)*S(q+l/2),.2,1))l=i/2e4

Sep 26 2025 2:40 PM UTC

}// 133/140

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Abstract motion line

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KilledByAPixel

function u(t) {

r=X=>S((X|0)**(Y|0))
l=_=>r(X)*(1-X%1)+X%1*r(X+1)
f=_=>(1-Y%1)*l()+Y%1*l(Y++)
for(i=1920;i--;x.fillRect(i,Y=frame,q=2*f(X=i/29+1,Y/=29),q));

Jun 27 2019 4:22 PM UTC

}// 140/140

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Noise Maze

u/katkip

wow

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maraoz

remix of d/357 by u/maraoz

function u(t) {

c.width=1920;m=t/10;s=Math.sqrt;function f(y){return S(y*m)};for(i=0;i<400;i++){x.fillRect(i*5,540*(1+f(i)),S(i/400+m)*100,S(i/400-m)*100)};

Jul 24 2016 4:42 AM UTC

}// 140/140

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u/BuRRak

s is not used

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metamn

remix of d/10602 by u/logistikalism@gmail.com

function u(t) {

x.beginPath()
x.moveTo(960+C(t)*960,500)
x.lineTo(960,540+S(t)*540)
x.stroke()

Oct 25 2018 6:16 AM UTC

}// 78/140

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patterns

u/logistikalism@gmail.com

sorry for the intrusion, but what was actually change in this remix?
u/logistikalism@gmail.com

nvm, I see it

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Vshinin

function u(t) {

w=1920,h=1080,p=Math.PI,n=t*111,c.width=w;for(i=t*11*Math.log(t);i<n;i++)d=i/n,x.lineTo(w/2+w*d*S(i),h/2+w*d*C(i));x.stroke();

Dec 31 2017 2:33 AM UTC

}// 126/140

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mark1626

remix of d/19295 by u/katkip

function u(t) {

c.style.filter=`sepia(.7`
for(i=k=1e3;i--;f(k,k/2,k/5,t*i))f=(X,Y,s,r)=>s>1?f(X+s*C(r),Y+s*S(r),s/1.2,r+S(r*6)-C(r*3)):x.fillRect(X,Y,9,1)

Apr 21 2026 5:05 AM UTC

}// 138/140

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triangle fractal

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erin

remix of d/21159 by u/erin

function u(t) {

c.style.filter="blur(9px)contrast(90)",x.fillStyle=`hsl(${t*99},69%,50%)`;x.fillRect(960+S(t*4)*99,540+C(t*5)*99,99,99)

Jan 6 2021 2:45 AM UTC

}// 119/140

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rainbow morph #rainbow #hsl #waves

Show more comments…
u/tomxor

Indecisive oil painter
u/erin

i love it
u/donbright

:)
u/magna

I love it when a dweet introduces (or reintroduces) and technique to inspire many remixes.
u/erin

<3
u/donbright

#blobs

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ibebrett

function u(t) {

c.width=1920
x.translate(1920/2, 1080/2);
for (n=0;n<10;++n){
x.fillRect(S(t+n*t/20)*500 , C(t+n*t/20)*500, 200*C(t+t*n),200*C(t+t*n));
}

Dec 27 2017 1:44 AM UTC

}// 137/140

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u/sigveseb

Nice one!

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TGY

function u(t) {

eval(unescape(escape`昽攽㸲㔵⩍慴栮牡湤潭⠩㭴㵥㴾砮瑲慮獬慴攨愽攪挮睩摴栬攪挮桥楧桴⤻琨⸵⤻砮晩汬却祬攽刨〬昨⤬昨⤩㭸⹲潴慴攨⸳㔩㭸⹳捡汥⡹㴱⸰〱ⱹ⤻砮晩汬剥捴⡡⼹ⱹ㴭昨⤯㤬昨⤬ⴲ⩹⤻琨⴮㔩`.replace(/u(..)/g,"$1%")))

Jan 25 2021 11:25 AM UTC

}// 132/140

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thingie