Top dweets this year

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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ArchMisspelled

function u(t) {

q=0
w=0
m=[[0,0],[1,0],[.5,1]]
for(i=1;i<99;i++){
p=m[Math.round(Math.random()*2)]
q=p[0]+q/2
w=p[1]+w/2
x.fillRect(q*500,-w*500+999,2,2)}

Sep 7 2025 9:47 AM UTC

}// 138/140

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Sierpinski triangle chaos game

u/joeytwiddle

Nice! For even distribution, you can *3 and floor. Or golfed: p=m[i**t%3|0]
u/ArchMisspelled

that looks so much better! thanks joeytwiddle

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sammnov

function u(t) {

c.width=1920;for(i=600;i--;){p=(t*.5+i/600)%1;x.fillStyle=R(255,230-p*200,60,1-p);x.fillRect(960+S(i*7)*p*700,1010-p*950+p*p*750,9,9)}

Aug 27 2026 7:52 AM UTC

}// 134/140

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Coin fountain: 600 particles, one gravity term, colour driven by remaining lifetime. Authoring the same thing with curves instead of numbers: https://nixiefx.com/pixijs-particle-effects/

u/cantelope

bot?

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sammnov

function u(t) {

c.width=1920;for(i=0;i<48;i++){x.fillStyle=R(30+5*i,140,255-4*i);x.fillRect(40+i*40,540+300*S(t*2-i/6),30,30)}

Aug 27 2026 7:50 AM UTC

}// 110/140

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Each square only moves once the one before it has - a pulse you hand along. Made while writing about staged task handoff for https://wagglet.com/how-it-works

u/cantelope

🤔

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sammnov

function u(t) {

{c.width=1920;for(i=500;i--;x.fillRect(960+i*C(i+t),540+i*S(i-t),W=t%5,W))x.fillStyle=`hsl(${i},99%,50%)`}

Aug 21 2026 7:37 AM UTC

}// 107/140

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A mini particle emitter inspired by the NixieFX.com web game engine runtime! #Particles

u/joeytwiddle

I think you posted this one twice. I like it, but something tells me it wants mouse interaction...

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sammnov

function u(t) {

{c.width=1920;for(i=9;i--;x.fillRect(400+i*110+S(t+i)*50,400,40,150))x.fillStyle=i%2?`red`:`blue`}

Aug 21 2026 7:34 AM UTC

}// 99/140

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Simulating a multi-agent assembly pipeline like Wagglet. #Automation #Workflow

u/sammnov

wagglet.com

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victoriawitter

function u(t) {

x.font='150px serif';x.translate(300,350);x.rotate(-.15);x.fillText('🕺',-70,0);x.font='60px serif';x.fillText('🎩',-30,-100)

Aug 5 2026 7:12 AM UTC

}// 123/140

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luta

remix of d/36070 by u/luta

function u(t) {

eval(unescape(escape`󨼮󭽩󩍴󪍼󟜰󒭧󟜨󦌬󦜬󬬬󩌬󫬬󨬩󟜾󮽳󟝱󟜾󬜥󜜫󚍱󯌰󚜥󜬪󚌱󛝱󙜱󚬲󚜻󨜽󮌽󟬨󬼨󮌥󜬫󝌩󛝳󚍸󙜲󚼴󛬵󚜩󒭦󫽲󚍫󟝮󚬲󚼱󞽫󛜽󜜯󜼲󞽸󛭦󪝬󫍒󩝣󭌨󦌫󭼪󠼨󭜽󪼯󫬪󜼮󜜴󚜬󦜭󭼪󤼨󭜩󛌴󛌴󚜩󭼽󬬫󩌪󨜨󨬫󪼩󯜻`.replace(/u../g,'')))
g(9,9,9,9,9,t)

Aug 2 2026 6:56 PM UTC

}// 138/140

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#Gears layout designer #tool - engineer's version

u/luta

Creations are compatible with the flower girls' version: g(714,280,243,48,18,-6*t);g(1206,280,243,48,18,6*t-.5);g(796,685,162,48,12,6*t+.6);g(1124,685,162,48,12,-6*t+.9);g(960,969,108,48,8,1/4);

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luta

function u(t) {

s="K7/k"
f="♔♕♖♗♘♙♚♛♜♝♞♟"
eval(unescape(escape`󮌮󩭯󫭴󟜧󜜲󞍰󮌢󙼻󬼽󬼮󬭥󬍬󨝣󩜨󛼮󛽧󛍸󟜾󮌼󘬹󘬿󘭜󭜲󝝁󜬢󛭲󩝰󩝡󭌨󮌩󞭦󦼢󢽑󤭂󣭐󪽱󬭢󫭰󘬮󪝮󩍥󮍏󩬨󮌩󧝼󯌢󘬩󒭦󫽲󚍩󟜶󝌻󪜭󛜻󚝸󛭦󪝬󫍔󩝸󭌨󬽛󪝝󛍩󙜸󟌼󝼬󜜫󪜯󞌼󟌷󚜻`.replace(/u../g,'')))

Aug 1 2026 1:34 PM UTC

}// 140/140

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FEN viewer for #chess puzzles cheat - put valid FEN string into s

u/luta

Example Mate in 3: "k7/pp1K4/N7/8/8/8/8/7B"
u/luta

8/8/8/5K1k/5B2/6P1/6P1/4b3 hint: first move is with B

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YusukeJP

function u(t) {

if(t*9%1>.1)return;c.width|=0;for(i=4e2;i--;x.fillRect(i%20*96,(i/20|0)*54+S(i+t)*8+2*Math.random()-1,96,54))x.fillStyle=i<2e2?"#79b":"#665"

Jul 27 2026 4:27 PM UTC

}// 140/140

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jpthinker

function u(t) {

for(c.width|=0,k=i=99;a=(i+t*30)/k,i--;x.fillRect(i*9,540-S(a*2*Math.PI)*540,99,9))x.fillStyle=`hsl(${a*360} 99 50`

Jul 25 2026 1:56 PM UTC

}// 115/140

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Rhythmic Gymnastics