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.

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

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DazeWare

remix of d/26856 by u/DazeWare

function u(t) {

t?c.width+=0:X=Y=n=999;onmousemove=e=>{X=e.x,Y=e.y};for(i=999;i--;)x.lineTo(960+S(i%i+X/Y*i+t*i)*n,540+S(i+Y*i+t*i)*n);x.stroke()

Apr 14 2024 3:08 AM UTC

}// 129/140

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Room Sketch

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coudy.one

remix of d/1935 by u/coudy.one

function u(t) {

(F=Z=>{for(x.fillStyle=R(W=1/Z*4e3,W/2,W/4),i=Z*Z*2;n=i%Z,m=i/Z|0,i--;n%2^m%2&&x.fillRect((n-t%2-1)*W,(S(t)+m-1)*W,W,W));Z&&F(Z-6)})(36)//rm

Mar 7 2017 2:51 PM UTC

}// 140/140

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KilledByAPixel

function u(t) {

E="''";for(i=8;--i;)E=`localStorage.Q${i}+`+E
eval(unescape(escape(eval(E)).replace(/u(..)/g,"$1%")))

May 20 2019 8:11 PM UTC

}// 101/140

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♛ QUEEN'S GAMBIT ♛ - You may need to go to d/14031, and scroll down and up until the game starts (may take 7 times). Arrow keys move. Mouse aims. R restarts. God save the Queen! #Game

u/KilledByAPixel

#queensgambit

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lewdev

remix of d/34552 by u/ximavus

function u(t) {

t?0:c.parentNode.innerHTML=`<div contenteditable>`

Nov 25 2025 6:57 PM UTC

}// 50/140

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u/ximavus text editor

u/ximavus

Ah this is how you edit the html without errors.
u/ximavus

That's actually really useful

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DaSpider

remix of d/32746 by u/KilledByAPixel

function u(t) {

t*=780
$=a=>a.repeat(300)
x.fillText($(['🟥','⬜'][t>360&t<720]),1,t)

Nov 12 2024 6:41 PM UTC

}// 67/140

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🇦🇹

u/joeytwiddle

#flag

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mildlybean

function u(t) {

for(i=0;999>i++;){h=Math.random(),w=Math.random(),e=h*6-t;x.fillStyle=R(S(e)*(q=255),S(e-2)*q,S(e-4)*q);x.fillRect(w*1920,h*999,9,9*S(w*9))}

Aug 18 2019 9:48 PM UTC

}// 140/140

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I ran out of characters. But this is cool... i guess

u/13thptr

you can remove the brackets of the for loop, doing for(i=999;i--;) is 1 byte shorter over your approach and 1920 can be approximated with 2e3
u/mildlybean

thanks, ill keep that in mind for future dweets

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Jezza

function u(t) {

for(c.width&=p=-4;p<4;p+=.075)for(q=-2;q<2;q+=.075)x.fillRect(960+p*270,540+q*270,C(p*p-q*q+p+t)*15,S(2*p*q+q+t)*15)

Apr 27 2019 1:43 AM UTC

}// 116/140

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Messing about with the mandelbrot z=z^2+c

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rodrigo.siqueira

remix of d/34037 by u/rodrigo.siqueira

function u(t) {

for(i=2e3;i--;x.fillRect(i,t*60,1,C(z)),x.fillStyle=`hsl(${X},70%,${X/Y/9}%)`)for(z=0,j=9;--j;)z-=C(X=i/6/j)*S(Y=z-S(t+j)*2-t/9)/3+z*S(Y)

Jun 25 2025 2:17 PM UTC

}// 137/140

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colored spots

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andrea270872

function u(t) {

c.width|=c.onclick=_=>{T=19}
T|=0
x.fillRect(450+S(t)*400,99+5*(T>9?((T---9))**2:T?((9-T--))**2:120),50,50)
x.fillRect(S(t/2)*90,760,1e3,50)

Mar 23 2019 6:31 PM UTC

}// 140/140

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Jump on the enge! (click to jump)

u/katkip

#interactive
u/katkip

#game
u/andrea270872

I'm trying to compress a timed state machine in a single function... here T is the "clock" and the long test is the state machine function... :>

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New_Core

function u(t) {

for(w=c.width|=i=a=560;i--;x.fillRect(960+(999*S(t*.8)+w*S(i>>5))*Z,a+999*C(t*1.4)*Z,Z*a,Z*a))Z=99/(i%w+w/7+200*S(t*.9)),x.fillStyle="#55f1"

May 31 2021 11:19 AM UTC

}// 140/140

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Aerogel cubes?