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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rodrigo.siqueira

remix of d/19954 by u/rodrigo.siqueira

function u(t) {

for(i=199;x.beginPath(),i--;x.fillStyle=`hsl(${i*3} 90%${S(i/28)*99}%)`,x.fill())x.arc(960+5*C(a=i/9+t*9)*(k=1.06**i),540+i*2*S(a+t),k,0,7)

Sep 15 2020 6:03 PM UTC

}// 139/140

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Spiral lights

u/magna

Stylish!

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ciaccodavide

remix of d/23901 by u/rodrigo.siqueira

function u(t) {

for(w=960,i=5e4;i--;x.fillRect(w*X/Z-99,w*X/Z/3-Z*906-4300,s=1/Z,t<6))r=Math.random,X=r()*19-12,Z=C((t*X))-5

Sep 23 2021 8:48 PM UTC

}// 108/140

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Exquisite

function u(t) {

q=18;c.width=1920;for(i=1;i<500;i++){x.fillStyle=`hsl(${t*i*0.1},70%,50%)`;x.fillRect(940+S(i+t)*i,540+C(i+t)*i,q,q);}

Dec 28 2017 2:38 AM UTC

}// 118/140

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Xen

remix of d/20573 by u/New_Core

function u(t) {

for(i=137;i--;x.fill(x.arc(960+a*S(v=S(t+i/t)+i*.9),540+a*C(v),a/3+19,0,t)))x.beginPath(x.fillStyle=`hsla(${(a=i*9)+t*1e3},99%,40%,.02)`)

Nov 11 2020 6:17 PM UTC

}// 137/140

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Psychedelic Microscope

u/donbright

wild

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Xen

function u(t) {

for(z=3,c.width|=i=1e3;i--;)x.fillRect(i*2,z=99+C(i/89+t+z/99)*99+i%4*199,i%4+1.5,1e3)

Mar 11 2026 3:20 PM UTC

}// 86/140

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RealPeha

function u(t) {

for(c.width|=f=0,x.lineWidth=5,i=200;i--;)f+=10+7*S(frame/50),h=i+C(f/100)/S(t),x.strokeRect(900+f*C(h),500+f*S(h),30,30);

Nov 12 2019 10:05 PM UTC

}// 122/140

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Xen

remix of d/12231 by u/Xen

function u(t) {

for(c.width|=i=1e3;i--;x.rotate(C(i^t)/199))x.fillRect(i*(5+C(t))+S(t)*99,-99+C(i*t%1)*49,5,2e3)

Feb 8 2019 12:09 AM UTC

}// 96/140

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tactical_retard

remix of d/23593 by u/tactical_retard

function u(t) {

Y=60*t
for(X=w=h=2e3;X--;){
a=(X-1250)/(q=w/4)
b=(Y-q)/q
r=j=0
for(i=50;i--;)t=r,r=(t*t-j*j)+a,j=(2*t*j)+b;r*r+j*j<4&&x.fillRect(X,Y,1,1)}

Aug 19 2021 7:17 PM UTC

}// 138/140

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mandelbrot set

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tomxor

remix of d/35426 by u/46uuuu

function u(t) {

b=80
eval(unescape(escape`𩐽𩁯𨱵𫑥𫡴𛡤𫱣𭑭𩑮𭁅𫁥𫑥𫡴𞱴🰰𞡤👛𛠮𛡮𩑷𘁓𩑴𚁥𦱰🐧🁣𫱤𩐾𙰬𪀽𙱩𫡮𩑲𢁔𣑌𙱝𛡭𨑴𨱨𚀯𧁢𦱡𛑺𧑻𜰬𯐯𩰩𚑝𞱷𪑴𪀨𣑡𭁨𚑴🠳🰰𞡥𦱨𧐽𬀫🐨𭀪𝠰𙑣𩑩𫀨𨠯𫁯𩰲𚁳👤𛡬𩑮𩱴𪀩𚑼𜀿𙰠𙰺𙰼𨡲🠧𚐫𩁛𬡡𫡤𫱭𚀩𚡳𯀰𧐻`.replace(/u../g,'')))

May 26 2026 12:57 AM UTC

}// 139/140

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🎲 Dwiceware Password Generator

u/tomxor

Increase b for more bits. Dwiceware !== Diceware, because the dictionary is generated from dweet.html source, which could change, so entropy bits per word is dynamically calculated based on dictionary size, currently log2(s) = 8.95 bits/word
u/DataMeta

wow cool

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taupelink

remix of d/29531 by u/taupelink

function u(t) {

f=(u,v)=>((u%v-v/2)**2-v*v/16)**2;g=n=>!((f(X,n)+f(Y,n)-8)**2&29);for(i=1e4;i--;x.fillRect(480+40*X,60+40*Y,g(8),g(6)))X=i*t%24,Y=i*X%24

Feb 19 2024 3:23 AM UTC

}// 136/140

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d/29538

u/taupelink

Experimenting with different custom functions