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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function u(t) {

c.width=n=2e3;t/=32;for(p=0;p<n;p++)i=C(p),j=T(t/i),k=S(t*i),x.strokeStyle=R(i*9,k*9,j*9,k>0?k:-k),x.strokeRect(j*n,k*n,99*T(k/j),99*T(j/k))

Jan 2 2018 2:40 AM UTC

}// 140/140

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u/donbright

i love after it gets to the end of the screen it comes back all weird

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DirtyDan

remix of d/5740 by u/DirtyDan

function u(t) {

p=44/7
a=960
b=535
c.width=a*2
for(i=0;i<a;i+=20)for(j=0;j<b;j+=10)
x.fillRect(a+b*S(i/a*p+S(t))*S(j/b*p+t),b+b*S(j/b*p)*S(i/a*p*t/2),9,9)

Jan 9 2018 9:48 PM UTC

}// 138/140

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KilledByAPixel

remix of d/35956 by u/KilledByAPixel

function u(t) {

eval(unescape(escape`󩭯󬬨󪜽󭼽󜽥󜼻󛜭󪜻󮌮󩭩󫍬󤭥󨽴󚌰󛍩󛍷󛌱󚜩󮌮󩭩󫍬󤽴󮝬󩜽󨍨󬽬󚌤󮽩󛼳󛝴󚬹󞝽󘌵󜌥󘌤󮼨󪜭󝜴󜌩󚬪󜬯󭽽󙝠󒭦󫽲󚍁󟜲󜜴󞽁󞽔󚼽󛬰󜜩󝬭󤼨󚌨󦌽󭌫󚍥󟝔󛼱󜌶󚜪󠜭󥌩󯌰󚜪󚬳󚜪󝜾󥍼󯍸󛭤󬭡󭽉󫝡󩽥󚍣󛍔󟜱󛍥󚭷󛌱󛌱󞜹󛌭󛝁󚬹󛌵󝌰󛜴󛽥󛌹󛌸󛽥󚜻`.replace(/u../g,'')))

Jul 24 2026 6:45 PM UTC

}// 139/140

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Wallpaper 🚪

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DazeWare

remix of d/27164 by u/DazeWare

function u(t) {

with(x)for(c.width|=i=144;i--;restore(fillText(t,0,9)))setTransform(99,!save(beginPath()),99,99,z=9+T(i*i+t),z),clip(rect(i%9*2%5,i>>4,2,2))

Mar 6 2023 4:13 PM UTC

}// 140/140

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u/joeytwiddle

I like it, but my Firefox is struggling. i>>2 resolves it.

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Jezza

remix of d/13473 by u/Jezza

function u(t) {

c.width|=X=Y=u=S(t)/9+.8
for(i=3e3;i--;x.fillRect(X*300+760,Y*300+600,2,2))T=.4-6/(1+X*X+Y*Y),Z=X,X=1+u*(Z*C(T)-Y*S(T)),Y=u*(Z*S(T)+Y*C(T))

Apr 26 2019 7:44 AM UTC

}// 140/140

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https://en.wikipedia.org/wiki/Ikeda_map u from .688 to .911

u/Xen

love it! i never got round to making one of these

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jylikangas

function u(t) {

with(x)for(i=70;i--;fillStyle=R(fill(),i*3),beginPath())ellipse(X=i**5%3e3,Y=S(i)*950+C(t+i)*9,r=i>68?6e3:Y*Y/5e3+i,r/3,0,i,i+6),lineTo(X,Y)

Sep 13 2018 5:41 PM UTC

}// 140/140

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Waterlily lake

Show more comments…
u/magna

Great!
u/joeytwiddle

So nice. #water #organic #scene
u/kipkat

#cute
u/Xen

Very clever
u/DataMeta

Peaceful
u/magna

🐸

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rodrigo.siqueira

remix of d/13679 by u/rodrigo.siqueira

function u(t) {

c.width|=0
for(var w=960,i=1e5;i--;x.fillRect(w+w*X/Z,w*Y/Z,s=42/Z/Z,s))
X=(3*S(t+.5)+C(V=i**2))*C(i+t),Y=(2+C(V))*S(i+t)-3.5,Z=S(i+t*5+Y)-7

May 10 2019 7:41 PM UTC

}// 140/140

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Sculpture based on torus equation #torus - Animated version. Please come back in year 2029 to see 60 FPS version. I'm getting only 2 FPS now and according to Moore's Law (performance double every 2 years), in about 10 we'll hit 60 FPS.

u/KilledByAPixel

60 fps gif loop ~ https://imgur.com/IY5SYMe

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BalintCsala

function u(t) {

eval(unescape(escape`挮睩摴栽㔰〻景爨椽ㄸ〻椭ⴻ砮獴牯步⡮敷⁐慴栲䐨恍㈵〠㜹䌤筘㵃⡩⼶〩⨱㐰⬲㔰⭓⠨椯㤫琩┳⸱㐩⨹素㈰․筘素㌰〠㈵〠㈴だ⤩⥸⹳瑲潫敓瑹汥㴢⍦㘳∻砮晩汬却祬攽∣ち〢ⱸ⹦楬汒散琨㈴㜬㔰ⰹⰲ㔩`.replace(/u(..)/g,"$1%")))

Sep 28 2018 8:47 PM UTC

}// 138/140

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Pumpkin

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taupelink

remix of d/18844 by u/taupelink

function u(t) {

for(X=Y=0,i=k=480;i--;){r=Math.random()*5|0;X=r/2+X/2-X*Y;Y=r%2/2+Y/3+X*X/9;x.fillStyle=R(0,k/(r+3),5**r);x.fillText(r,(1.3+X)*k|7,Y*k*2|7)}

May 24 2020 1:56 AM UTC

}// 140/140

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d/18945

u/tomxor

5 jockeys on horses?
u/DataMeta

or 5 centaurs :P

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Agnes

function u(t) {

for(c.width|=i=2;i--;)for(j=2;j--;)x.fillStyle=(j%2?'hsl(':'hsla(')+'0,100%,50%,.25'+(i%2?')':''),x.fillRect(X=960*i,Y=540*j,958,537)

Aug 8 2018 11:27 AM UTC

}// 133/140

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HSL compatibility tester: depending on how your strict your browser is, one to four of these squares will be pink (technically translucent red).