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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rodrigo.siqueira

remix of d/26354 by u/rodrigo.siqueira

function u(t) {

c.style='filter:invert('
for(i=3e4;r=C(t*i)*i|frame,i--;)x.fillRect(u=600*S(a=Math.PI*r/6+i%2+u/999)+960+u>>1,c=C(a)*540+c+530>>1,t<2,.1)

Oct 19 2022 10:28 PM UTC

}// 137/140

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Lotus Flower #fractal #plant

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Xen

remix of d/6865 by u/davidsharp

function u(t) {

with(x)stroke(),beginPath(),strokeStyle=`hsl(${t*99},69%,39%)`
for(i=w=555;i--;)x.lineTo(i*19,500+S(i/(C(t)-.42*39)+t%w)*w)

Feb 12 2018 9:00 PM UTC

}// 123/140

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Shoutz 2 davidsharp

u/Xen

displays differently depending on resolution...

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schastlilya

function u(t) {

x.clearRect(0,0,1920,1080);x.fillRect((C(t)*960+(960*t))/t,0,100,S(t)*500+500);

Aug 30 2017 12:45 PM UTC

}// 79/140

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I'm back 8-)

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LydianLights

function u(t) {

with(x){save();fillStyle=`hsl(${9*t*t},80%,50%)`;translate(860,540);scale(S(4*t),S(3*t));rotate(t*t);fillRect(-500,-500,999,999);restore();}

Dec 20 2019 2:52 AM UTC

}// 140/140

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Simple and flashy

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bepisTM

function u(t) {

c.width=32;d=new Date();with(x)moveTo(9+6*S(H=d.getHours()/1.9),9-6*C(H)),lineTo(9,9),lineTo(9+9*S(M=d.getMinutes()/9.6),9-9*C(M)),stroke()

Jan 24 2018 8:00 PM UTC

}// 139/140

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(this is a fully functional clock)

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poetaster

remix of d/35061 by u/poetaster

function u(t) {

c.style.filter=`invert(`
for(a=b=t,i=4e5;i--;b-=S(b/4)+C(a*2.8),a+=S(i/b&i%3)*3-b*S(a)/4-a*a/4)x.fillRect(b*240+820,a*1160,.1,t<1)

Mar 14 2026 3:19 PM UTC

}// 130/140

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seahorse

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KilledByAPixel

remix of d/35178 by u/KilledByAPixel

function u(t) {

with(x)for(font='9em arial',fillStyle='#07d',i=800;i--;i-320>>5?fillRect(T+i,440+s*32,2,s*(T+i/5)):fillText('Windows 10',T=560,1e3))s=i%2-.5

Apr 4 2026 6:48 PM UTC

}// 140/140

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Windows 10 ⌨️🖱️

u/joeytwiddle

#windows #logo

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nikoloffgeorgi

function u(t) {

c.width|=b=20
o=500
for(i=0;i<=b;i++){
q=b*i
x.strokeStyle=R(q,i,0,i/20)
x.lineWidth=b*b-q
x.lineTo(o+S(i*t+t)*q,o+C(i*t-t)*q)
x.stroke()
}

Feb 17 2018 4:17 PM UTC

}// 139/140

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u/Xen

Welcome to the dwitter family!
u/ximavus

ID of 6969 nice

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pavel

remix of d/11279 by u/marc8

function u(t) {

with(x)for(c.width|=j=9;j--;fillStyle=j%2?'red':'blue',fill('evenodd'))for(beginPath(i=6);i--;arc(960,540,2.6**p,a=(6*i+p)*71/113,a))p=j+t%2

Dec 4 2018 5:18 AM UTC

}// 140/140

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355/113 is a famous approximation of pi and here we need pi/5 which is perfect as 5 divides 355 giving 71/113

Show more comments…
u/marc8

Great remix
u/sigveseb

.628 works too, and is a little shorter :)
u/pavel

Yeah I didn't need the precision but it was an interesting coincidence and I had extra chars :)
u/donbright

wondrful
u/pavel

#uncompressed
u/katkip

#pemtagram
u/katkip

#tagfail #pentagram
u/46uuuu

#infinitezoom

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Protowalker

function u(t) {

c.width=800;if(t==0){d=-.01;a=0}
z=(o,z)=>{x.beginPath();x.arc(400,250,100,o,z);x.fill()}
z(3,a);z(-a,3);
a+=d;if(-a>1.5|a>=0){d=-d;a+=d}

Jun 15 2018 7:45 AM UTC

}// 137/140

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Pacman. Just a WIP. Need to go to bed.