Dweets awesomed by u/tactical_retard

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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ximavus

function u(t) {

x.reset()
for(X=96;X--;)for(Y=54;Y--;x.fillStyle=X&Y?'red':'blue')x.fillRect(X*(20+C(t+Y/9)*9),Y*(20+S(t+X/9)*9),30,30)

Jan 21 2026 7:00 PM UTC

}// 119/140

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goodness I did the the waving flag thing!

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KilledByAPixel

remix of d/34793 by u/KilledByAPixel

function u(t) {

eval(unescape(escape`󩭯󬬨󨼮󭽩󩍴󪌦󟝩󟜶󜬷󜬻󪜭󛜻󩌽󣝡󭍨󛭭󪝮󚌨󦜽󪜯󜜸󜌭󜜷󚜪󚬲󛌨󦌪󛬵󛜱󞌩󚬪󜬩󛍸󛭦󪝬󫍓󭍹󫍥󟝘󟽤󟌵󟼧󘽅󜬳󙼺󩌼󜬴󟼧󘽦󩭦󙼺󙼣󜌵󞜧󞬧󘼵󝜵󙼬󮌮󩭩󫍬󤭥󨽴󚌳󞜫󦌯󜬫󦌯󝌸󚭃󚍘󛼸󛝩󛼸󜌰󛝴󚬶󚜬󜼰󚽙󚽘󛼱󜬪󤼨󦌯󜜶󛝴󚜬󜬬󪜿󛬳󞬹󞜩󚝘󟝩󙜹󞜻`.replace(/u../g,'')))

Jan 21 2026 4:42 PM UTC

}// 140/140

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Iceland 🇮🇸 #flag

u/ximavus

I'm still amazed for how this is possible

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KilledByAPixel

remix of d/34782 by u/KilledByAPixel

function u(t) {

for(c.width&=i=6272;i--;x.fillStyle=X<3?'#009':X<6?'#eee':'#E01',x.fillRect(9+X*8+X/4*C(X*2-i/800-t*6),9+i/150+X*S(X-t),3,i?.3:99))X=i%99/12

Jan 20 2026 9:46 PM UTC

}// 140/140

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France 🇫🇷 #flag 🥖

u/Axioplase

I guess it can be done :) I'll have to study it.

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dee-gomma

function u(t) {

for(y=n=2e3,f=_=>(_%=96)<49?_:96-_;y--;x.fillRect(0,y,n,1))x.fillStyle=`hsl(${t*26} 90%${13+1.5*f(t*96+2*f(y/6))}`

Jan 20 2026 1:22 AM UTC

}// 114/140

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Old school #rasterbars effect

u/dee-gomma

Inspired by "Tecno Skull" Blues Brothers cracktro by TDT/TRSI
u/ximavus

nice!

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KilledByAPixel

remix of d/34741 by u/KilledByAPixel

function u(t) {

eval(unescape(escape`󩭯󬬨󨼮󭽩󩍴󪌦󟝩󟜶󜬷󜬻󪜭󛜻󩌽󣝡󭍨󛭭󪝮󚌨󦜽󪜯󜜸󜌭󜜷󚜪󚬲󛌨󦌪󛬵󛜱󞌩󚬪󜬩󛍸󛭦󪝬󫍓󭍹󫍥󟝘󟽤󟌵󟼧󘼰󜬵󙼺󩌼󜬴󟼧󘽦󩭦󙼺󙼣󨬰󜬧󞬧󘼵󝜵󙼬󮌮󩭩󫍬󤭥󨽴󚌳󞜫󦌯󜬫󦌯󝌸󚭃󚍘󛼸󛝩󛼸󜌰󛝴󚬶󚜬󜼰󚽙󚽘󛼱󜬪󤼨󦌯󜜶󛝴󚜬󜬬󪜿󛬳󞬹󞜩󚝘󟝩󙜹󞜻`.replace(/u../g,'')))

Jan 19 2026 11:55 PM UTC

}// 140/140

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Norway 🇳🇴 #flag 🏅

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DazeWare

remix of d/34779 by u/DazeWare

function u(t) {

c.width|=c.style.filter='invert('
for(i=1e4;i--;x.fillRect(960+X*40,540+Y*40,3,t))
F=i%T(i),
X=F*S(v=i/8+t/2)+4*S(i+t),Y=F*T(v)-t*T(i/4-t)

Jan 19 2026 2:27 PM UTC

}// 138/140

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u/ximavus

like me pouring peanut butter on my sandwich

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DazeWare

remix of d/34751 by u/rodrigo.siqueira

function u(t) {

c.width|=c.style.filter='invert('
for(i=1e4;i--;x.fillRect(960+X*40,540+Y*40,3,t))
F=i%T(i),
X=F*S(v=i/8+t/2)+4*S(i/2),Y=F*T(v)-4*T(i/4-t)

Jan 19 2026 2:25 PM UTC

}// 138/140

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rodrigo.siqueira

remix of d/34751 by u/rodrigo.siqueira

function u(t) {

c.style.filter='invert()sepia()'
for(i=1e4;i--;x.fillRect(960+X*60,610-Y*70,t<2,.1))
F=i%(4+6/t),X=F*S(k=i/t)-4*S(w=k/2),Y=F*C(k)+3*C(w)

Jan 19 2026 1:34 PM UTC

}// 136/140

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Triple loop

u/tomxor

Neat
u/ximavus

nice one!

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mxfh

remix of d/2119 by u/mxfh

function u(t) {

x.fillStyle='#C8102E'
x.rect(150,a=540,a*3,a)
x.arc(780,a,360,0,a)
x.fill`evenodd`

Jan 17 2026 12:27 AM UTC

}// 82/140

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canonical ratios and colors

u/mxfh

#flags #greenland
u/mxfh

#flag
u/ximavus

I didn't know the ratio and color of the Greenland flag #themoreyouknow
u/mxfh

also 36 chars less than 2017 version with no wild changes. A bit sad that all polar methods to draw it end up somewhat longer.
u/vain

https://upload.wikimedia.org/wikipedia/commo…

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rodrigo.siqueira

remix of d/34749 by u/rodrigo.siqueira

function u(t) {

c.width|=c.style.filter='invert('
for(i=1e4;i--;x.fillRect(960+X*40,540+Y*40,3,3))
F=i%T(i),
X=F*S(v=i/8+t/2)+4*S(i/2),Y=F*C(v)-4*C(i/4-t)

Jan 16 2026 8:14 AM UTC

}// 138/140

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Orbital

u/ximavus

#cobweb

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