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) {

for(c.width|=i=14;i--;x.beginPath(x.fill(x.arc(540+b*840+S(a=i/.955)*d,540+C(a)*d,i%7?d**1.5*.025:99,0,9))))d=i%7&&C(t+22*(b=i<7))*90+260

Nov 22 2025 6:11 PM UTC

}// 137/140

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Ebbinghaus Illusion ⚫⚫ Center circles are the same size

u/joeytwiddle

#illusion #opticalillusion

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KilledByAPixel

remix of d/33124 by u/KilledByAPixel

function u(t) {

eval(unescape(escape`󭌿󨬫󟜡󥌦󙬱󛼶󜌺󨬽󜌊󩭯󬬨󨼮󭽩󩍴󪍼󟝩󟜶󜬻󪜭󛜻󚝦󫽲󚍪󟜨󬜽󪜾󜜩󟼴󝬹󞬭󜬹󞽪󚼫󟌨󬜿󝜺󝌮󝜫󪜯󜬩󚬹󞜻󫽮󨽬󪝣󪼽󧼽󟭔󟜡󥌩󮌮󩭩󫍬󤭥󨽴󚌹󞜰󚽪󚭓󚍡󟜨󬜿󪜯󝬰󞭩󟽢󛼵󞬨󨭼󜌩󛼶󜌩󙜱󚬶󛬲󞌩󛌵󝌰󛝪󚭃󚍡󚜬󬬽󬜿󪜥󝜿󜼺󜜵󞬱󞜭󪜪󜜳󛍲󚜻`.replace(/u../g,'')))

Nov 14 2025 5:52 AM UTC

}// 137/140

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Analog Stopwatch ⏱️

u/cantelope

i?b/5 -> i?b for accurate minor hand motion. /5 chosen for aesthetics?
u/KilledByAPixel

yeah, i think this is pretty common for analog stopwatches because otherwise 1 per second is very fast
u/ximavus

Ooh nice

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KilledByAPixel

function u(t) {

c.width|=onclick=_=>T=!T
t?a+=!T&&1/60:a=0
with(x)textAlign='center',font='5in"',fillText(a.toFixed(2),960,700),fillRect(a%10*200,0,-90,200)

Nov 10 2025 8:24 PM UTC

}// 140/140

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Stopwatch ⏱️ Click to Start/Pause

Show more comments…
u/joeytwiddle

Nice but I wouldn't use it for the Olympics, over concerns about framedrops.
u/KilledByAPixel

I will make a compressed version that is perfectly accurate for Olympic use.
u/joeytwiddle

Thank you. I will pass it along to the Committee.
u/ximavus

nice one
u/ximavus

uh I pressed enter twice accidentaly
u/cantelope

fixed
u/ximavus

oh ok :-)

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KilledByAPixel

function u(t) {

eval(unescape(escape`󭽩󭍨󚍸󚝦󫽲󚍷󟜹󝬰󛍩󟜲󞽩󛜭󞽸󛭦󪝬󫍓󭍹󫍥󟜧󘼰󩭦󙼬󭍼󯍢󩝧󪝮󤍡󭍨󚍦󪝬󫌨󨝲󨼨󝜱󜌫󪜪󞜰󜌬󝜴󜌬󜼵󜌬󜌬󞜩󚜩󚝦󫽲󚍪󟜵󜜻󪬭󛜻󩭩󫍬󤭥󨽴󚍩󚭷󚼨󭌦󙭪󚬱󞜩󛍴󚬱󜜴󜌬󭌿󞜺󭼬󭌿󞜺󜭥󜼩󚝦󪝬󫍓󭍹󫍥󟝩󧬡󭌿󙼣󩭦󜌧󞬧󘼸󜍦󙼻`.replace(/u../g,'')))

Nov 10 2025 6:48 PM UTC

}// 132/140

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Color Balls Illusion 🔵

u/ximavus

ooh

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KilledByAPixel

remix of d/23121 by u/KilledByAPixel

function u(t) {

eval(unescape(escape`󭽩󭍨󚍸󚝦󫽲󚍫󟝙󟜵󝌰󞽫󛜭󞽢󩝧󪝮󤍡󭍨󚍦󪝬󫌨󨝲󨼨󦌬󦜬󦼳󜌬󜼱󛌴󞜬󝜰󛍙󧝛󪭝󚬸󛍰󟝫󛼱󝜬󪬿󬌫󛬱󝜺󞜩󚜩󚝩󟝫󙜲󛍪󟝫󛼹󝍼󫝯󭭥󥍯󚍘󟝙󚽩󚬹󜌰󛍙󚜬󩭩󫍬󤽴󮝬󩜽󨍨󬽬󚌤󮽪󚬳󜌭󜼰󚼳󛬸󜼪󪼫󭌪󝼲󜌪󚍩󛜮󝜩󯜠󙍻󪬥󝌦󙬹󜍽󙜵󜌥󨌻`.replace(/u../g,'')))

Nov 4 2025 4:29 PM UTC

}// 134/140

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Growing/Shrinking Wheel 🌈 #Illusion

u/joeytwiddle

Effective!
u/ximavus

looks actually very good

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KilledByAPixel

remix of d/33842 by u/KilledByAPixel

function u(t) {

for(x.font='3in"',i=15;i--;x.fillText('💀',i%5*386,300+(i/5|0)*349))x.filter=`sepia(1)saturate(99)hue-rotate(${t*99+i*24}deg)`

Oct 23 2025 10:27 PM UTC

}// 125/140

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Rainbow Skulls 🌈💀

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KilledByAPixel

remix of d/17379 by u/KilledByAPixel

function u(t) {

with(x)c.width|=s=(X,Y,r=99,i=r>>1)=>{for(beginPath(fill(arc(X,Y,r,0,9)));i--;s(X+d*S(a=t/d*300+i),Y+d*C(a)/2,i**9%r/6))d=i*r}
s(960,540)

Oct 23 2025 1:04 AM UTC

}// 137/140

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Solar System 🌌 #space

u/ximavus

Wow!

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KilledByAPixel

function u(t) {

for(c.width|=i=36;i--;x.fillRect(T+(i>>2)*99+S(t)*300+(k-2?18:24)*k,T=400,k-1?18:30,200))k=i%3,x.fillStyle=R(!k*T,v=k-2|T,v)

Oct 20 2025 1:41 PM UTC

}// 124/140

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Anaglyph #default 🟥🟦

u/ximavus

dwitter #default tiktok edition

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KilledByAPixel

remix of d/34421 by u/KilledByAPixel

function u(t) {

eval(unescape(escape`󩭯󬬨󪜽󝽥󜼻󛜭󪜻󪭼󠬼󜌦󙭸󛭦󪝬󫍒󩝣󭌨󞜶󜌫󠜪󞌰󜌫󬬪󦌬󝜴󜌫󬬪󦜭󠬪󬬬󬬯󟜷󛍲󚜩󪬽󪜾󟬱󜜬󭬽󪬼󜼬󠜽󤼨󬜽󪬭󜜦󙭴󚜬󠬽󬜦󙭃󚍴󚜬󬬽󭬿󬜿󞜹󞬳󜌰󞭩󛍚󟝩󚬪󛬹󙜱󛍗󟜱󛝚󚭚󛍘󟝗󚭓󚍩󚜬󦜽󥼪󠼨󪜩󛍸󛭦󪝬󫍓󭍹󫍥󟝒󚍶󚬽󝌰󜌪󚍱󟽂󚭚󛝁󚭘󞭚󚜬󭬬󭬩`.replace(/u../g,'')))

Oct 19 2025 4:37 AM UTC

}// 140/140

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Solar Orbit ☀️🌘

u/ximavus

How did you fit a whole planetary system in 140 BYTES OF JAVASCRIPT!?!?
u/tomxor

neat!
u/lewdev

Here's your dweet but from Temu: d/32543 lol
u/ximavus

u/lewdev lmao
u/zachygreen

cool

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KilledByAPixel

remix of d/34421 by u/KilledByAPixel

function u(t) {

for(i=2e4,A=S(t*=600)*960,r=t%150;i--;x.fillRect(960-A+r*X,t+r*Y,7,7))Z=1-i**.9%1,X=Z*S(i),Y=Z*C(i),x.fillStyle=R(v=A*X-t+t*Z-Y*400,v/5+99)

Oct 16 2025 4:26 AM UTC

}// 139/140

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Lit Spheres 🎾

dwitter.net | KilledByAPixel (18289)