New dweets | Dwitter

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(i=2e3;i--;x.fillStyle=`hsl(${(i+j)*120} 100%50%`)x.fillRect(i,j=t*60,1,1)

Dec 4 2025 11:49 PM UTC

}// 77/140

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Dweet From A Dream 😴

u/ximavus

wut
u/ximavus

ohhhhhh u scroll and it changes

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rodrigo.siqueira

remix of d/34578 by u/rodrigo.siqueira

function u(t) {

t?c.style.filter=`invert()sepia(.4)`:𝕏=X=Y=0
for(i=2e4;i--;𝕏=X,x.fillRect(X*1e3+610,Y*820+780,t<2,.1))X=T(Y*Y-X*X*.8)+.297,Y=C(2*𝕏*Y+2.33)

Dec 4 2025 7:12 PM UTC

}// 138/140

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Nebular attractor #spiral

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ximavus

function u(t) {

eval(unescape(escape`𮀮𬡥𬱥𭀨𨠽𙱂𨑣𪱳𬁡𨱥𙰬𭀿𫱮𪱥𮑤𫱷𫠽𪰽🡻𫀽𪰮𪱥𮐻𘑬𦰱𧑼𫀽👢🱬🐽𨠿𬰽𬰮𬱬𪑣𩐨𜀬𛐱𚐺𬰫👬𞠰𯐺𬰽𙰧𚐻𩡯𬠨𪐽𬰮𫁥𫡧𭁨𞱩𛐭𞰩𩡯𬠨𪠽𝰻𪠭𛐻𚑳𛡣𪁡𬡃𫱤𩑁𭀨𪐩𙠱🀼𪠿𮀮𩡩𫁬𤡥𨱴𚁩𚠵𜀬𪠪𝐰𛀵𜀬𝐰𚐺𜀻`.replace(/u../g,'')))

Dec 4 2025 7:03 PM UTC

}// 131/140

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Binary text editor

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ximavus

function u(t) {

for(X=60;X--;)for(Y=60;Y--;){x.fillStyle=R(d=S(t+X*Y)*127+127,d,d);x.fillRect(X*32,Y*18,32,18)}

Dec 4 2025 3:26 PM UTC

}// 95/140

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Multiplication grid

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dell-optiplex-790

function u(t) {

c.width=1920,x.font='bold 160px comic sans ms',x.fillStyle='#d22a99';for(i=0;i<4;i++)x.fillRect(600+i*150+S(t)*650,600+S(t+i)*32,90,90)

Dec 4 2025 1:13 PM UTC

}// 135/140

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■ ■ ■ ■ (not much features, this is due to the space constraint)

u/lewdev

I brought it down to 94b. for(x.reset(i=4),x.fillStyle='#d22a99';i--;)x.fillRect(600+i*150+S(t)*650,600+S(t+i)*32,90,90)
u/ximavus

I got to 93b: for(x.reset(i=4);i--;x.fillRect(600+i*150+S(t)*650,600+S(t+i)*32,90,90))x.fillStyle='#d22a99'

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dell-optiplex-790

function u(t) {

r=(n,m)=>Math.floor(Math.random()*n)^m,n=(t^53)+S(t)%15<<3,b=k=>t+(40-r(80,0)),x.fillStyle=R(b(),b(),b(),1);x.fillRect(r(1920),r(1080),9,9);

Dec 4 2025 11:01 AM UTC

}// 140/140

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dots

u/ximavus

I like it

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rodrigo.siqueira

remix of d/34575 by u/rodrigo.siqueira

function u(t) {

t?c.style.filter=`invert()sepia(`:𝕏=X=Y=0
for(i=3e4;i--;𝕏=X,x.fillRect(X*3800-980,Y*3e3-90,t<2,.1))
X=(X*X-Y*Y*.3)%9+.27,
Y=C(2*𝕏*Y%1+1.15)

Dec 3 2025 11:21 AM UTC

}// 139/140

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Vortex ring

u/rodrigo.siqueira

Two spirals can be seen (in fullscreen mode)
u/ximavus

yeah I can see them at the top and bottom

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hopeomathy

function u(t) {

g="🎄✨🎅🎁📦🦄🦌🚪"
eval(unescape(escape`𩀽𫡥𭰠𡁡𭁥𚀩𛡧𩑴𡁡𭁥𚀩𒡸𛡦𫱮𭀽𙰲𪑮𘠧𒡴🰰𞡫👛𛠮𛡁𬡲𨑹𚀲𝐩𛡫𩑹𬰨𚑝𛡳𫱲𭀨𚀩🐾𣑡𭁨𛡲𨑮𩁯𫐨𚐭𜀮𝐩𛡦𫱲𡑡𨱨𚀨𩐬𪐩🐾𮀮𩡩𫁬𥁥𮁴𚁛𛠮𛡧𧑛𩐼𩀿𩐥𝰺𝱝𛀴𜠰𚠨𪐥𝐩𛀱𞀵𚰨𪐯𝑼𜀩𚠲𜠰𚐩`.replace(/u../g,'')))

Dec 2 2025 3:04 PM UTC

}// 138/140

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Advent Calendar - come back everyday ;)

Show more comments…
u/ximavus

yay free candy from dwitter
u/cantelope

that's one way to look at it
u/lewdev

Oh, so today's the 3rd and you'll see 3 open doors. However, the position of the doors are random on each load.
u/ximavus

ohh thats why its like that
u/ximavus

nice feature
u/hopeomathy

coudln't figure out to fit in 25 shuffled numbers, homework fo next year ;)

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rodrigo.siqueira

remix of d/34568 by u/rodrigo.siqueira

function u(t) {

c.style.filter=`invert()sepia(`
for(𝕏=X=Y=t,i=3e4;i--;𝕏=X,x.fillRect(Y*3e3+1150,X*2e3-520,t<3,.1))X=(X*X-Y*Y/3)%9+.29,Y=C(2*𝕏*Y+8)+i%3/30

Dec 2 2025 1:46 PM UTC

}// 137/140

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Soft thorns

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rodrigo.siqueira

remix of d/34564 by u/rodrigo.siqueira

function u(t) {

c.style.filter=`invert()sepia(`
for(𝕏=X=Y=i=3e4;i--;𝕏=X,x.fillRect((Y+i%4/5)*2e3+500,X*2e3-400,t<3,.1))X=T(X*X-Y*Y/3)%(20/t)+.3,Y=C(2*𝕏*Y+8)

Dec 1 2025 1:21 PM UTC

}// 140/140

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Dripping drops