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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taupelink

remix of d/19784 by u/taupelink

function u(t) {

r=Math.random;for(i=z=270;i--;x.fillRect((X+S(Y))*z,(Y-C(X))*z,9/t,36/t))X=r(Y=r()*5)*8,x.fillStyle='#'+'FFFC96'.substr(t*S(X*Y)*C(X+Y)&3,3)

Sep 1 2020 1:15 AM UTC

}// 140/140

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d/19822

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Gulshan

remix of d/28857 by u/soumagok

function u(t) {

c.width=1920 // clear the canvas
for(i=0;i<8;i++)
x.fillRect(400+i*100+S(t)*300,400,50,200) // draw 50x200 rects

Nov 14 2023 11:41 AM UTC

}// 112/140

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bencoveney

remix of d/16489 by u/bencoveney

function u(t) {

with(x){fillStyle="#222"
fillRect(0,0,2e3,2e3)
fillStyle="#fff"
font="5em Courier"
u+=i=""
u.split`
`.map(l=>fillText(l,i++%8==0||99,i*99))}

Nov 2 2019 4:11 PM UTC

}// 140/140

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nicer #quine formatting

u/metamero

cool! <3 quines

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Leodude123

function u(t) {

c.width=1920
var i=1
//while(true)
{
x.fillStyle = R(188,225*S(t),11,1)
x.fillRect(400+i*100+S(t)*300,400,500,500) 
i++
}

Dec 24 2019 11:40 PM UTC

}// 121/140

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How do I get rid of the lag?

u/katkip

You don't need permanent loops. That will timeout the frame. u(t) is already calling every 1/60 seconds
u/joeytwiddle

That's right. The website is already doing something like while(true) for you (actually requestAnimationFrame())
u/Leodude123

Oh

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Agnes

function u(t) {

i=0;V=(t)=>.9999+.0002*S(t);x.font="25cm A";t?x.setTransform(V(t),1-V(t),1-V(t),V(t),0,0)&x.drawImage(c,0,0):x.fillText("😂",400,940)

Aug 13 2025 9:36 AM UTC

}// 132/140

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Replica of a replica of a replica

u/cantelope

they aged like wine

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384.cz

function u(t) {

c.outerHTML="<input id=k><b onclick='k.value=k.value.toLowerCase().split``.map(_=>-1<`aeiouy`.indexOf(_)?_+` `:_).join``'>Obfuscate"

Oct 9 2022 8:28 AM UTC

}// 132/140

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Generic text #obfuscator #html

u/jasnh

"point free"

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yeet

function u(t) {

r=Math.random
for(i=0;i<999;i++){x.fillStyle=r()>0.5?'#fff':'#000'
x.fillRect(1920*r(),1080*r(),5,5)}

Feb 11 2018 3:57 AM UTC

}// 101/140

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u/trupples

yeet

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lewdev

remix of d/32543 by u/lewdev

function u(t) {

X=800;x.fillRect(0,0,W=c.width|=0,W);x.font="3in'";for(i=2;i--;)x.fillText([...'🌍🌚🌒🌓🌔🌝🌖🌗🌘'][i?(t|0)%8+1:0],i?X+C(t)*X:X,i?670+S(t)*220:600)

Oct 9 2024 7:16 PM UTC

}// 139/140

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🌍🌚 Moon floating around earth (golfed -5b, <140)

u/jpthinker

I love this, makes me smile

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Xen

remix of d/9950 by u/anotherkitten

function u(t) {

for(i=25;i--;x.fillRect((-60+i*t*i+S(Z+t)*1e3)%2e3,0,33,2e3))x.fillStyle=R(Z=i*9,t*Z%Z,t*i%Z),x.rotate(C(i+t)/4e2)

Sep 19 2018 9:38 PM UTC

}// 114/140

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katkip

function u(t) {

c.width=500-t*40;p=0
for(i=0;i++<500;)for(j=0;j++<500;)x.fillStyle=`hsla(${p%i+p%j},99%,50%)`,x.fillRect(i-1,j-1,1,1),p++

Aug 31 2018 12:03 PM UTC

}// 121/140

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#3D #infinite #scrolling floor. may be slow on cheap pcs. on mine works perfect lol