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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iverjo

remix of d/894 by u/iverjo

function u(t) {

for(j=1080;j--;x.fillRect(T=frame,j,1,S(k/9),x.fillStyle=R(k,j,T)))for(a=b=0,k=35;k--&&a*a+b*b<4;a=c)c=a*a-b*b+T/540-2,b=2*a*b+j/540-1

Mar 10 2018 12:28 PM UTC

}// 134/140

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Golfed version of the color mandelbrot

u/DirtyDan

I'm a sucker for Mandelbrot dweets. Bravo!
u/iverjo

#mandelbrot
u/iverjo

#fractal
u/iverjo

#slow_render
u/Qwitter

escape time !

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logomach

function u(t) {

c.width=2e3;for(i=20;i--;){x.fillStyle=R(i*19,75,70);x.fillRect(0,i*54,1920,54)}x.font='100px Arial';x.fillText('Ａ　Ｅ　Ｓ　Ｔ　Ｈ　Ｅ　Ｔ　Ｉ　Ｃ',150,600)

Dec 31 2017 1:01 AM UTC

}// 140/140

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initramfs

remix of d/22951 by u/initramfs

function u(t) {

Y=c.width|=c.style.filter=`invert(1`
for(X=40060;X--;x.lineWidth=1)
x.lineTo(+X+C(Y)*S(t)*.001,Y=500+S(X)%C(X)*9000**C(X/1-t))
x.stroke()

Jun 1 2021 1:44 AM UTC

}// 137/140

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mxfh

remix of d/22456 by u/mxfh

function u(t) {

d=x.getImageData(0,0,w=c.width=128,w)
d.data.forEach((v,i,A)=>A[i]=(i%w>>2^(i>>9)+t*30)%(3+i%4)*w)
x.putImageData(d,0,0)

Apr 12 2021 10:09 PM UTC

}// 120/140

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taupelink

function u(t) {

r={valueOf:Math.random};x.fillStyle='#'+'F90FF99F354333'.substr(n=r*12|0,3),x.beginPath(x.fill(x.arc(r*2e3,r*1080,8*(n+6),q=n*1.57,q+3.14)))

Aug 27 2019 5:14 PM UTC

}// 140/140

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d/15542

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taupelink

remix of d/26135 by u/taupelink

function u(t) {

eval(unescape(escape`猽䵡瑨⹲慮摯活搽琪⩴㭦潲⡩㴲〰㭩ⴭ㭸⹦楬汒散琨堪㘵ⰸ㄰ⵯⰭ焯琬漩⥘㴳㈪猨⤬夽㤪猨⤬焽椪匨堪⩃⡙⤩⩴⨪夯㌬砮晩汬却祬攽刨爽㐰〯搪匨堪天⨪㐰Ⱪ⼷干⼴⽤ⱱⱩ⽱⽤⨪㐩Ɐ㴭㤪焪匨㜪琪⨮㔩⽤`.replace(/u([^D].)/g,'$1%')))

Sep 20 2022 6:24 PM UTC

}// 140/140

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d/26175

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fujimotos

function u(t) {

for(c.width=i=640;i--;){
z=Math.max(Math.min(-t+i/5,0),-1)
x.setTransform(C(z),-S(z),S(z),C(z),400+40*i+-200*t,250)
x.fillRect(0,0,-25,-80)}

Mar 22 2018 1:57 PM UTC

}// 140/140

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Show more comments…
u/lionleaf

https://youtu.be/9hPIobthvHg?t=206
u/fujimotos

Maybe we can add coloring to domino tiles. It'd be a lot cooler.
u/jylikangas

for(c.width=i=250;i--;x.fillStyle=R(i%3*99))x.fillRect(0,0,6,-49,h=(H=i/9-t)<0&&H,x.setTransform(K=C(z=h>-1?h:-1),-S(z),S(z),K,99*(H+2),99))
u/jylikangas

Needs a bit more golfing to get different colors
u/BirdsTweetCodersDweet

d/7466 and d/7467 for some interesting phenomena
u/joeytwiddle

#dominoes
u/micahcowan

#default
u/katkip

#infinite

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pstefanlarsson

function u(t) {

c.width=1920
for(i=0;i<400;i++){
a=i%20
b=Math.floor(i/20)
f=C(a+b-t)
w=10+30*f
x.fillRect(600+(40*(2*a+1)-w)/2,140+(40*(2*b+1)-w)/2,w,w)
}

Feb 28 2017 7:59 AM UTC

}// 139/140

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Xen

function u(t) {

x.fillRect(640,360,640,360),x.drawImage(c,0,0,1920,1080,640*(t%3|0),360*(t%4%3|0),640,360),x.fillStyle=`hsl(${t*99},90%,50%)`

Dec 3 2017 9:23 PM UTC

}// 125/140

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few seconds sorry :P

u/joeytwiddle

Excellent
u/Xen

Thanks, had to do one lol
u/joeytwiddle

#sierpinski carpet #ifs rendered by image copying (not by dots)

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New_Core

function u(t) {

for(c.width|=a=i=960;i--;)Z=a/(b=i/200-C(d=i/4+t)/5),x.fillRect(a+(25-i%50+S(b))*Z/9,540+(S(d)*C(b)+2)*Z/4,e=Z/99,e)

Jul 2 2024 2:10 PM UTC

}// 116/140

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My take on the moving surface. =)