Random 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.

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AnnanFay

function u(t) {

c.width|=0
P.push(1+P[2*(1<<Math.log2(f++))-f])
x.stroke(new Path2D('M960,540'+P.map(v=>'hv'[v&1]+'-| '[v&2]).join(s=60/t**.5)+s))}{P=[f=1]

Mar 27 2018 9:41 PM UTC

}// 139/140

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Dragon Curve

u/AnnanFay

This looks great when full screen otherwise the filled version will look much better d/7493

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xem

function u(t) {

for(i=j=0;i<118;){x.fillRect(j%18*99,~~(j/18)*99,90,90),j+={0:17,3:11,11:11,55:54,87:54,69:-68,101:-68}[i++]|1}

Feb 17 2017 10:17 PM UTC

}// 111/140

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u/joeytwiddle

It's the periodic table of elements!

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rodrigo.siqueira

remix of d/32316 by u/rodrigo.siqueira

function u(t) {

for(i=150;i--;x.fill())x.fillStyle=R(q=T(i*t)*i*t,r=q/3,q*S(i)),x.beginPath(),x.arc(960+T(k=i*t)*(V=i*C(t*i*i)*S(i)*9),540+C(k)*V,8/t,0,7)

Aug 31 2024 6:43 PM UTC

}// 138/140

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Butterfly symmetry

u/magna

The colors!

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taupelink

remix of d/29644 by u/taupelink

function u(t) {

a=z=>(z*z)**m;f=y=>a(a(a(a(y%8-4)-5)-6)-9);g=_=>f(X,m=_)+f(Y)&5;for(i=1e4;i--&&t<.5;x.fillRect(60*X,60+60*Y,g(.6),g(.7)))X=i*t%32,Y=X*i%16

Mar 13 2024 10:55 PM UTC

}// 138/140

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d/29653

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gravityGobbler

function u(t) {

x.fillStyle=R(214-t*80,t*2,112+t*50,1);x.fillRect(0,500*t,2160,20)

Dec 12 2021 6:15 PM UTC

}// 66/140

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KilledByAPixel

remix of d/33926 by u/dee-gomma

function u(t) {

for(c.width|=i=29;i--;x.fillText(i?'⚪⚫'[i%2]:'🤡',660+S(t-i/9)*400,950-S(t+i/8)**2*400))x.font=`${5-i/7}in'`

Jun 6 2025 6:27 PM UTC

}// 107/140

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Friend? 🎈

u/aaaaaz

#beetlejuice
u/ximavus

its so cursed changing the strings

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danny@hille.dk

remix of d/29090 by u/danny@hille.dk

function u(t) {

x.fillRect(0,0,i=2e3,i,x.fillStyle='#0002')
for(;i--;)x.clearRect(960+(f=C(t-i/99))*480-500*(C(i/300-t)*C(i*i)**2),i*(1+S(t/3+i/300)),5,5)

Dec 12 2023 4:40 PM UTC

}// 138/140

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Remix without an interesting name

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katkip

function u(t) {

eval(unescape(escape`𩀽𚁘𛁙𛁱𛁬𚐽🡻𮀮𫑯𭡥𥁯𚁘𛁙𚐻𮀮𫁩𫡥𥁯𚀮𛠮𫠽𦱘𚱓𚁓𚁱𚐩𚡬𛁙𚱃𚁓𚁱𚐩𚡬𧐩𞱩𩠨𫀾𜐩𩀨𫡛𜁝𛁮𦰱𧐬𬐪𜠬𫀯𜠩𯐻𨰮𭱩𩁴𪁼🐰𞱸𛡬𪑮𩑗𪑤𭁨🐹𞱺👤𚀹𝠰𛀴𜀬𭀬𝀰𜀩𞱸𛡳𭁲𫱫𩐨𚐠`.replace(/uD./g,'')))

Oct 31 2019 1:33 PM UTC

}// 119/140

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double pendulum fail d=(X,Y,q,l)=>{x.moveTo(X,Y);x.lineTo(...n=[X+S(S(q))*l,Y+C(S(q))*l]);if(l>1)d(n[0],n[1],q*2,l/2)};c.width|=0;x.lineWidth=9;z=d(960,40,t,400);x.stroke()

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ianertson

function u(t) {

for(r=128,ox=960,oy=540,y=-r;y<=r;y++)for(xx=-r;xx<=r;xx++)xx*xx+y*y<=r*r&&x.fillRect(ox+T(xx*t*128),oy+T(y*t*128),t,t);

Dec 29 2017 12:13 PM UTC

}// 120/140

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lewdev

function u(t) {

eval(unescape(escape`󮌮󬭥󬽥󭌨󚜻󮌮󩭯󫭴󟜢󜭣󫜧󘬻󮌮󩭩󫍬󥍥󮍴󚌧󧍵󡌸󜽃󧍵󡍆󜌶󙼬󜌬󝼰󚜻󒭦󫽲󚍗󟜴󞜵󛍩󟜷󜌻󪜭󛜻󚝦󫽲󚍪󟜶󞽪󛜭󞼩󮌮󩍲󨝷󢝭󨝧󩜨󨼬󤼨󪜯󜬸󚜪󞜭󝜬󚍩󚽴󚬹󞜩󙜹󞜬󞜹󛌱󛌨󪬪󥼫󭌪󥼩󙜳󩜳󛝗󛍩󚬹󚼹󞜬󥼬󞜩󞼻`.replace(/u../g,'')))

May 26 2025 6:08 AM UTC

}// 124/140

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Implementing the "Cylinder Trick" https://youtu.be/6XtrgFPoZ2E?si=ucjJgzsH8UVd…