Dweets awesomed by u/NiVZ

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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NiVZ

function u(t) {

eval(unescape(escape`𨰮𭱩𩁴𪀽𜐹𜠰𞱤👛𜰱𝐹𞐬𜠵𝰵𜐬𜠹𝠷𜐬𜠹𝠴𝰬𜠳𝀹𝰬𜰱𜐸𜰬𜰱𜠱𝐬𜠹𜠵𝰬𜰱𝰲𝰬𜰱𝠹𝑝𞱦𫱲𚁩🐰𞱩🀱𝐻𪐫𚰩𮱩𩠨𩁛𣑡𭁨𛡦𫁯𫱲𚁴𙐱𜀩𧐦𜐼🀱𝀭𪐩𮱸𛡦𪑬𫁒𩑣𭀨𞀷𜀫𚁩𙐳𚠶𜀩𛀴𜠰𚰨𣑡𭁨𛡦𫁯𫱲𚁩𛰳𚐪𝠰𚐬𝠰𛀶𜀩𯑽`.replace(/u../g,'')))

Mar 6 2026 12:36 PM UTC

}// 135/140

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LECO Font Count 10 Seconds

u/NiVZ

My first dweet. Using binary & bitshifting to display 3x5 font
u/cantelope

#amazing
u/tomxor

Great first dweet, I love bitpacking.
u/dee-gomma

Very good!
u/dee-gomma

You can squeeze it under 140 bytes with some tricks (need to reverse bits): for(x.reset(i=15);i--;)x.fillRect(870+i%3*60,60*(0|i/3),60,[31599,25751,29671,29647,23497,31183,31215,29257,31727,31695][0|t%10]&1<<i&&60)

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cantelope

function u(t) {

eval(unescape(escape`𩡯𬠨𮀮𩡩𫁬𤡥𨱴𚀰𛀰𛁷👣𛡷𪑤𭁨🐵𜐲𛁷𚐬𫐽𫠽𜰲𞱭𛐭𞰩𩡯𬠨𫀽𚀮𝐫𚀮𜠭𠰨𭀯𜠩𚠮𜠫𫐯𫠩𙐱𚐪𚠵𜀯𜑥𝠬𮀮𬱴𬡯𪱥𤱴𮑬𩐽𤠨𫀬𭰬𭰬𫀯𞀰𚐬𪐽𭰻𪐭𛐻𮀮𬱴𬡯𪱥𤡥𨱴𚀲𝐶𚰨𪐥𫠭𜐵𛠵𚐪𫀬𜐴𝀫𚀨𪐯𫡼𜀩𛐸𛠵𚐪𫀬𫀬𫀩𚑸𛡬𪑮𩑗𪑤𭁨👬𛱮`.replace(/u../g,'')))

Mar 3 2026 1:27 AM UTC

}// 140/140

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grid zoomer

u/tomxor

Neat

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mathisvdr

function u(t) {

c.style.filter='invert(1)blur(.5px)'
t?x.drawImage(c,~x.fillText('★',~x.scale(s=1-C(1/++t)/20,s),700),~x.rotate(5)):x.translate(960,540)

Mar 2 2026 10:26 PM UTC

}// 136/140

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Ghost Star

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rodrigo.siqueira

remix of d/31982 by u/rodrigo.siqueira

function u(t) {

c.style.filter=`sepia(.6)invert(1)`
t?x.drawImage(c,~x.fillText('𖦹',~x.scale(s=1-C(1.5/++t)/21,s),690),~x.rotate(6)):x.translate(980,540)

Mar 2 2026 11:56 AM UTC

}// 137/140

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𖦹 Nebular #ammonite #spiral

u/ximavus

Gary's shell intergalactic edition

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tomxor

function u(t) {

eval(unescape(escape`𩡯𬠨𥁛𜐶𜀰𧐫👓𚁴𚠹𚐬𨰮𭱩𩁴𪀽𭰽𜐲𞀬𪐽𜑥𝀻𪐭𛐻𮀮𩡩𫁬𤡥𨱴𚁩𙑷𛁩🠾𝰬𜐬𜐩𚑕👵𛁵👔𦱩𧐽𥁛𪑝𚰨𠱛𪑝𛑃𦱩𛐱𧐭𤱛𪑝𚱓𦱩𛑷𧐩𛰱𝑼𯀰𛁸𛡦𪑬𫁓𭁹𫁥👒𚀳𜠰𚡍𨑴𪀮𪁹𬁯𭀨𭐪𚁓𦱩𧐽𤱛𪑝𛑔𦱩𚱷𧐫𭑼𯀰𚐬𭐪𚁃𦱩𧐽𠱛𪑝𚱕𛑵𯁼𜀩𚐩`.replace(/u../g,'')))

Mar 1 2026 1:51 AM UTC

}// 140/140

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#FDTD #Electromagnetic Sim - Rendering #Poynting Vector (EM Flux)

u/tomxor

I don't really understand maxwell equations, I just wanted to see if I could fit an FDTD into a dweet, and the Poynting vector of the EM field flow looks kinda cool.
u/tomxor

It's essentially a 2D sim of a point oscillator in a reflective box (although technically left and right wrap around), it has absolutely no physical equivalence, all parameters are normalised and tuned for visual preference.
u/ximavus

basically waves bouncing in a box? This visualization is really good though
u/cantelope

oh. well if has no physical equivalence then...
u/tomxor

I just meant that it's more abstract, because FDTD is commonly used to simulate a particular thing in real life.

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dee-gomma

function u(t) {

eval(unescape(escape`𛰪🎯DARTS🎯𚠯𭱩𭁨𚁸𚑦𫱲𚁩🐵𝠰𚠡𭀬𨐽𫐽𛠱𝐷𜀸𞱩𛐭𞱦𪑬𫀨𨑲𨰨𞐶𜀬𝐴𜀬𬠪𜠰𛁡𛁡𚰽𜠪𫐬𫑯𭡥𥁯𚀹𝠰𛀵𝀰𛁢𩑧𪑮𤁡𭁨𚁦𪑬𫁓𭁹𫁥👲🀲𯀨𩐽𬠽🐱𜱼𬠽🐲𜐩𙡩🰧𬡥𩀧𞡲🀳𯁥🰧𘰰𞐰𙰺嬈𙡲🀲𜠿𙰣𩡦𩠧𞠧𘰰𜀰𙰩𚐩𚐩𬠽𜁼𪐯𜠰`.replace(/u../g,'')))

Mar 1 2026 1:02 AM UTC

}// 140/140

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Dartboard 🎯

u/ximavus

These normally take a ton of code congrats

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mathisvdr

function u(t) {

for(x.fillRect(0,0,i=5e3,i);i--;x.clearRect(960+S(i)*S(q=i**.9%1.2*t%3.2-3.2)*L/(Z=C(i)*S(q)*L+1)*540,540+C(q)*L/Z*540,s=3/Z,s))L=i/4%1

Mar 1 2026 12:21 AM UTC

}// 135/140

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Dense Cloud

u/cantelope

go ahead and use the remix button for remixes. thanks!

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rodrigo.siqueira

remix of d/34887 by u/rodrigo.siqueira

function u(t) {

c.style.filter='invert('
for(i=2e3;i--;x.fillRect(i%54*36,(i/((i-t*20%60)%66)|0)*36,8,8))
x.fillStyle=`hsl(${330},60%,${99-S(i**3)**3*80}%)`

Feb 17 2026 7:48 PM UTC

}// 140/140

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Green dots #Matrix

u/ximavus

matrix rain

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rodrigo.siqueira

remix of d/34874 by u/rodrigo.siqueira

function u(t) {

c.style.filter='invert()'
for(i=836;i--;x.fillRect(i%38*50.4+5,(i/38|0)*51.5+2,w=45,w))k=S(i**3+t)**33*90+90,x.fillStyle=`hsl(30,50%,${k}%)`

Feb 10 2026 2:26 PM UTC

}// 140/140

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Pool of Blue Dots

u/cantelope

this is nice
u/tor020

conway game of life thing
u/aleamb

beautiful

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snoozingnewt

function u(t) {

for(i=30;i--;x.fillRect(560+i%5*160,60+(i/5|0)*160,150,150))x.fillStyle=['#334','#b93','#484','#111'][+"000000011011100120022222233333"[i]]

Feb 8 2026 7:07 AM UTC

}// 139/140

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u/joeytwiddle

#wordle #tribute
u/ximavus

ohhhh this was meant to be wordle how did I not notice it

dwitter.net | NiVZ (147)