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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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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codezmr

function u(t) {

c.width|=0;for(i=4e3;i--;x.fillRect(960+X/z*500,540+Y/z*500,s,s))a=i/40+t,z=3+S(a),X=C(a+t)+S(i*5)/4,Y=S(a)-C(i*5)/4,s=25/z

Jan 16 2026 2:46 PM UTC

}// 123/140

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rodrigo.siqueira

remix of d/34674 by u/rodrigo.siqueira

function u(t) {

c.style.filter=`invert()sepia(`,X=t,Y=t*99-450;for(i=1e4;--i;x.fillRect(912+5*Y+25*X,7*(X-Y)+640,.2,t<4))X=Y*.9993-(((Y=9-X)<0)*X+9)+Y/9

Jan 7 2026 2:57 PM UTC

}// 136/140

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Splash of spirals

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ximavus

function u(t) {

m=b=>x.fillStyle=b
m`red`
for(i=7;i--;)x.fillRect(i>3?0:890,i*166,2e3,80)
for(X=99;X--;m`blue`)for(Y=64;Y--;)X*Y&1?0:x.fillRect(X*9,Y*9,9,9)

Dec 25 2025 5:54 PM UTC

}// 140/140

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USA flag attempt

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ximavus

function u(t) {

x.globalCompositeOperation='xor'
t?x.fillRect((X+=(r=Math.random)()*2-1).toFixed()*12,(Y+=r()*2-1).toFixed()*12,12,12):(X=80,Y=45)

Dec 19 2025 4:03 PM UTC

}// 130/140

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Ant (name idea from Minecraft infinite snapshot)

u/tomxor

For a moment I thought it was langtons ant, but no, it's entropy's ant.
u/ximavus

Well I searched its named Langton's ant but because I'm a minecraft player I named it after the Minecraft one

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tzador

function u(t) {

for(i=0;i<3e3;i++) {
  x.fillStyle=R(100+30*S((i**2)**2+S(t)*9),100+30*S(i**2+S(t)*9)+2)
  x.fillRect(i%192*120,~~(i/192)*120,120,120)
}

Dec 18 2025 12:04 AM UTC

}// 137/140

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Bathroom tiles

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KilledByAPixel

remix of d/34585 by u/KilledByAPixel

function u(t) {

for(t*=60,i=2e3;i--;x.fillRect(i,t,1,1))x.fillStyle=`hsl(${i+t&1?i*3/16:t/3} 100%50%`

Dec 7 2025 8:22 PM UTC

}// 85/140

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Illusory Color Map 🌈🗺️

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ximavus

function u(t) {

eval(unescape(escape`𭀿𮀮𬡥𬱥𭀨𚐺𭠽𦱝𒡯𫡭𫱵𬱥𫑯𭡥👥🐾𥀽𩐊𭠮𬁵𬱨𚁛𣑡𭁨𛡲𨑮𩁯𫐨𚐪𜐹𜠰𛁍𨑴𪀮𬡡𫡤𫱭𚀩𚠱𜀸𜁝𚐊𩡯𬠨𪐽𭠮𫁥𫡧𭁨𞱩𛐭𞱶𦱩𧑛𜁝𚰽𚁔𛡸𚠳𛠴𛑶𦱩𧑛𜁝𚐯𞐰𛁶𦱩𧑛𜑝𚰽𚁔𛡹𚠳𛠴𛑶𦱩𧑛𜑝𚐯𞐰𚑸𛡦𪑬𫁒𩑣𭀨𭡛𪑝𦰰𧐬𭡛𪑝𦰱𧐬𞐬𞐩`.replace(/u../g,'')))

Dec 6 2025 6:17 PM UTC

}// 140/140

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Magnetic inspired from u/zachygreen's d/34537

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omersm

function u(t) {

c.width=1920
for(i=50;i--;)
x.arc(960, 500, 1200, S(t+i)*2, S(t)-i)
x.lineWidth=S(t)+1
x.stroke()

Dec 6 2025 9:10 AM UTC

}// 97/140

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Lines

u/ximavus

Nice 3d effect #d3

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DazeWare

remix of d/34494 by u/joeytwiddle

function u(t) {

for(c.width|=i=k=99;i--;x.fillRect(e*k*S(t)+960-9*S(t),740+C(t)*k-9*e*C(t)-q*k,k*(('¾i989i¾'.charCodeAt(e)>>q)%2),k))e=i/t|0,q=i%7

Nov 8 2025 5:11 AM UTC

}// 134/140

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u/joeytwiddle

The way he disappears makes me think he was being slowly shot away. Why didn't Space Invaders sometimes have a formation that looked like a huge space invader?
u/ximavus

Size limitations probably. The creator of Space Invaders originally made it 7KB but he stripped it down to 4KB to fit in the ATARI of the time