Dweets by u/KilledByAPixel

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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KilledByAPixel

function u(t) {

eval(unescape(escape`󩭯󬬨󭼽󝬰󛍩󟜲󩜳󞽩󛜭󞽸󦽦󧜨󦌪󭼫󜼰󚼨󦌾󜜵󟼱󞬭󜜩󚭺󛝲󛍙󚭷󚼳󜌫󚍙󟬸󟼭󜜺󜜩󚭺󛝲󛍲󚬽󜬬󬬩󚝘󟜨󪜾󟬱󚜥󜼳󛍙󟝩󛼶󝭼󜌬󪜥󜬦󙭸󦽦󟜧󩭩󫍬󤭥󨽴󙽝󚍘󚭷󛍙󚭷󛍷󛍷󚜬󮌮󩭩󫍬󤽴󮝬󩜽󦌥󜭞󦜥󜬿󤬨󚜺󙼣󩭦󩬧󛍲󟜵󚼵󚭃󚍴󛝙󛼹󚜬󮬽󚍩󙜲󛜮󝜩󚬳󝜻`.replace(/u../g,'')))

Mar 10 2026 6:39 PM UTC

}// 139/140

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Bulging Checkerboard Illusion 🏁

u/KilledByAPixel

#illusion

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KilledByAPixel

remix of d/35006 by u/tomxor

function u(t) {

for(j of Date(c.width|=X=9).slice(16,24))for(X+=4,i=15;i--;)'筯璓珧秧䧭秏篏䤧篯积А'.charCodeAt(j<=9?j:10)&1<<i&&x.fillRect(X+i%3<<5,15+i/3<<5,32,32)

Mar 7 2026 9:03 PM UTC

}// 138/140

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Digital #Clock 🕰️

u/NiVZ

Wow! I had this in mind when I posted my sweet but had no idea how to pull it off. Well done 👏
u/KilledByAPixel

thanks for the inspiration!

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KilledByAPixel

function u(t) {

for(j=w=640,g=g=>j>13?j*5-70:w-(j>6?i^g:i&g)*w;j--;x.fillRect(j>15?j*29-w:i*274,j>15?w:(j>>3)*169,274,w))i=j%7,x.fillStyle=R(g(1),g(2),g(4))

Mar 3 2026 6:04 AM UTC

}// 140/140

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Test Pattern 📺

u/cantelope

this means 2 things

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KilledByAPixel

function u(t) {

eval(unescape(escape`󭽩󭍨󚍸󚝦󫽲󚍣󛭷󪝤󭍨󯌽󪜽󜌬󦌽󞜹󛍳󪍡󩍯󭽃󫽬󫽲󟝒󚍦󫽮󭌽󙼴󪝮󘬧󚜻󪜼󝼻󩭩󫍬󥍥󮍴󚍤󟜧󡍗󢝔󥍅󤬧󦽩󚼫󧜬󦌬󝬷󞜭󪌪󞜩󛍘󚼽󫝥󨝳󭝲󩝔󩝸󭌨󩌩󛭷󪝤󭍨󚝨󟜱󛬴󛝃󚍴󚬲󛝩󚜬󬽨󨝤󫽷󣽦󩭳󩝴󦌽󝜪󪌬󬽨󨝤󫽷󣽦󩭳󩝴󦜽󬽨󨝤󫽷󠭬󭝲󟜹󚭨`.replace(/u../g,'')))

Feb 27 2026 11:09 PM UTC

}// 134/140

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Floating Text 🎈

u/cantelope

ooh
u/ximavus

DWITTER!

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KilledByAPixel

remix of d/34907 by u/KilledByAPixel

function u(t) {

for(r=t*5e3,i=k=r/24<<1||1;t<1&&i--;x.fill())for(x.beginPath(j=4);j--;)x.arc(960+r*S(a=i/k*710),540+r*C(a),39,b=j*33-a+(frame%2*2-1)*968,b)

Feb 23 2026 8:02 PM UTC

}// 139/140

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The Spirals Strike Back 🌀🌀🌀

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KilledByAPixel

remix of d/34906 by u/KilledByAPixel

function u(t) {

eval(unescape(escape`󭽩󭍨󚍸󚝦󫽲󚍭󟜰󞽭󟌱󜬻󚼫󫜩󩭯󬬨󬬽󫜪󜜰󜍼󯌹󞜬󪜽󪼽󬬯󜬴󟌼󜜻󪜭󛜻󩭩󫍬󚌩󚝦󫽲󚍢󩝧󪝮󤍡󭍨󚍪󟜴󚜻󪬭󛜻󩭩󫍬󤽴󮝬󩜽󫜿󤬨󭬽󪜥󜬪󜭥󜼬󭬬󭬩󞬧󘼷󞌹󙼩󨝲󨼨󞜶󜌫󬬪󤼨󨜽󪜯󪼪󝼱󜌩󛌵󝌰󚽲󚭃󚍡󚜬󫜿󜼹󞬲󩜳󛍢󟝪󚬶󞜹󛝡󚼨󫜥󜬪󜬭󜜩󚭴󛼸󛍢󚜻`.replace(/u../g,'')))

Feb 23 2026 7:45 PM UTC

}// 139/140

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Revenge of the Spirals 🌀🌀

u/KilledByAPixel

#illusion

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KilledByAPixel

remix of d/34891 by u/KilledByAPixel

function u(t) {

eval(unescape(escape`󭽩󭍨󚍸󚝦󫽲󚍭󟜰󞽭󟌱󜬻󚼫󫜩󩭯󬬨󬬽󫜪󞜹󯍼󞜹󛍩󟝫󟝲󟬾󝜼󟌱󞽩󛜭󞽦󪝬󫌨󚜩󩭯󬬨󨭥󩽩󫭐󨝴󪌨󪬽󝌩󞽪󛜭󞽦󪝬󫍓󭍹󫍥󟝒󚍶󟝭󟽩󙜲󚬲󩜳󞬱󜬸󛍶󛍶󚜩󨝲󨼨󞜶󜌫󬬪󤼨󨜽󪜯󪼪󝼱󜌩󛌵󝌰󚽲󚭃󚍡󚜬󫜿󝌹󞬲󩜳󛍢󟝪󚬳󜼫󞜵󛝡󚼨󫜥󜬪󜬭󜜩󚭴󛼸󛍢󚜻`.replace(/u../g,'')))

Feb 23 2026 7:04 PM UTC

}// 138/140

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Illusive Spirals 🌀

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KilledByAPixel

remix of d/33842 by u/KilledByAPixel

function u(t) {

with(x)for(c.width|=i=99;i--;fillText('🐟',400,850+S(i/9-t*9)*29))beginPath(save(restore(font='9in"'))),clip(rect(i*16,0,16,2e3))

Feb 23 2026 6:39 PM UTC

}// 128/140

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Swim Fish 🐟

u/ximavus

I did i/2-t*50 and its so funny

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KilledByAPixel

function u(t) {

c.width|=w=99
for(i=13;i--;)for(j=12;j--;)x.fillRect(i&&(2*i-4+j%2+(j%4<3?j%4:1)*t/3%2)*w,j*w,i?w:3e3,i?w:5)

Feb 22 2026 5:33 AM UTC

}// 108/140

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Café Wall Illusion ☕

u/KilledByAPixel

https://en.wikipedia.org/wiki/Caf%C3%A9_wall…
u/ximavus

I've seen this illusion so many times and it still works

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KilledByAPixel

remix of d/34891 by u/KilledByAPixel

function u(t) {

for(T|=0;t<3&&T++%30;)for(e=T**.5/4%1,q=e<.2&&e*10*.157,i=20;i--;x.beginPath(x.stroke()))x.arc(960,540,T*T/2e4,a=2*i*.157+q,a+.157)

Feb 22 2026 4:51 AM UTC

}// 131/140

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Fraser Spiral 💫

u/KilledByAPixel

https://en.wikipedia.org/wiki/Fraser_spiral_…
u/dee-gomma

Had to move the mouse over a circle to convince myself it is not a spiral :)
u/ximavus

wait is it not a spiral
u/KilledByAPixel

#illusion

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