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

remix of d/6717 by u/AnnanFay

function u(t) {

c.width|=0
τ=2*Math.PI
y=S(t*τ*2)
with(x)for(i=2;i<9;moveTo(w=500,w),fill(arc(w,w,w/2,y,τ-y)),fillRect(w*i++-t*w%w,w,60,60))fillStyle='#FE0'

Feb 5 2018 1:23 PM UTC

}// 140/140

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Incorporated improvements from 21medals and myself. Spent extra characters fixing the chomp rate so pac-man eats every square.

u/AnnanFay

c.width|=τ=6.3,y=S(t%1*τ*2) puts this down to 134 bytes. Thanks to joeytwiddle.
u/DeathBoy

Love it :)

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DonKarlssonSan

remix of d/6038 by u/DonKarlssonSan

function u(t) {

E=(n,i,a)=>n<=i?i:n>=a?a:n
r=p=>Math.random()*80-40
t?x.lineTo(X=E(X+r(),0,1920),Y=E(Y+r(),0,1080)):(X=960,Y=540)
x.stroke()

Jan 14 2018 8:27 PM UTC

}// 124/140

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Constrained Random Walker with correct init code (thanks XEN!)

u/Xen

not a problem, looking good.
u/Qwitter

Drink a ton of coffee and etch the sketch !

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webgyo

remix of d/4613 by u/webgyo

function u(t) {

c.width=1920;for(i=0;i<9;i++){x.fillRect(400+i*100+S(t)*300,400,50,200)}

Dec 29 2017 8:25 AM UTC

}// 73/140

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rodrigo.siqueira

remix of d/28344 by u/AArt1256

function u(t) {

for(X=c.width=200;X--;)for(Y=114;Y--;)x.fillRect(X,Y-1,Y*X*X*S(Y*X+t)&1,1)

Aug 25 2023 2:51 PM UTC

}// 74/140

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Simple white noise #noise

u/cantelope

this show used to be on channel zero, 24/7... i hear that's what shewatch

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ellisk1

function u(t) {

for(c.width|=i=3;i--;)x.arc(960,540,450*i*i,0,7);x.fill('evenodd');for(j=3e3;j--;x.fillRect(2e3*S(j*j+t/9),1e3*C(j),j,j/9))x.globalAlpha=.01

Nov 17 2018 1:32 AM UTC

}// 140/140

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Cloudy Full Moon

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Cloud

function u(t) {

c.width|=0
x.font="9em sans"
a=["🌑","🌑","🌒","🌓","🌔","🌕","🌕","🌖","🌗","🌘"]
x.fillText(a[t*20%a.length|0], 750, 540)

Feb 13 2020 12:34 PM UTC

}// 113/140

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Ball

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metamero

remix of d/11540 by u/metamero

function u(t) {

eval(unescape(escape`䴽琿䴮浡瀨⡭Ⱬ⤽㹸⹦楬汒散琨津渪測樽洭津測測測䤽愽㸨洫愩┱㐴⥼欿ⴭ欿浞䠿䵛歝㩟㩈㵉⡶☲㽶☴㼱㈸㩮㩶☱㼱㐳㨱⤺䜽洬挮睩摴栽㈵㘩㩛渽ㄶⱆ偓㵶㴸Ɐ湫敹摯睮㵥㴾瘽攮睨楣桝㭇幈㼰㩍㵛䤨䜫㤩Ⱞ⸮䵝`.replace(/u(..)/g,"$1%")))

Jan 16 2019 11:10 AM UTC

}// 140/140

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🐍 #snake 🐍 #GAME 🐍 now with death ! 🐍 play on keyboard with W A S D 🐍 jogo da cobrinha

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rodrigo.siqueira

remix of d/21666 by u/katkip

function u(t) {

c.style.filter=`invert(`
for(c.width|=0,i=244;i--;x.fill(x.arc((X=i%48)*99,T(t/2)*i*9-X*i,z=80+S(t+S(i)*i)*52,5+z/7,7+z/7)))x.beginPath()

Feb 14 2021 1:18 AM UTC

}// 137/140

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Falling moons

u/erin

Bad Apple vibes
u/joeytwiddle

Could be leaves or petals

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taupelink

remix of d/32932 by u/taupelink

function u(t) {

with(x)for(m=1e3;m--;fill(arc(m**3%2015,m*m%1085,t*i/(t*t)**t,j=i+t,j-6+m%.8+t/2)))beginPath(fillStyle=R(i=m%188+80+t,i/.65,i/.6,i**-.5/t))

Apr 16 2026 1:30 AM UTC

}// 139/140

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d/35244

u/KilledByAPixel

nice!

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magna

remix of d/3218 by u/joeytwiddle

function u(t) {

for(i=c.width=480;--i;){for(j=8,d=7;j-->2;){y=40*j**.7+30/j*S(d*t/j+i/250*j);x.fillStyle=R(0,180-j*16,200);x.fillRect(i,300-y,1,y);d=-d}}

Sep 30 2017 1:53 PM UTC

}// 137/140

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Minor tweak to make shallow water lighter instead.

u/magna

@water
u/magna

#water