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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JWinslow23

remix of d/11668 by u/Agnes

function u(t) {

with(x)A=a=>Math.random()*40|0,B=A()/8,setTransform(C=~B&1,!C,!C,C,A()*48,A()*27),clearRect(-24,D=-13.5,48,27),B&&fillRect(-20,D,40,27)

Jan 7 2019 3:49 PM UTC

}// 135/140

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Alien robot factory (golfed more than enough!)

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erin

function u(t) {

c.style.filter="blur(5px)brightness(1)contrast(99)"
x.globalAlpha=.1
for(i=0;i<38;i++)
x.fillRect(i*50,460+T(t+i)*150+(i*t<<i)%99,40,40)

Jan 4 2021 11:04 PM UTC

}// 136/140

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virus v2

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gravityGobbler

function u(t) {

c.width=t
x.fillStyle='hsl('+t*9+',100%,10%)'
x.fillRect(0,0,t/2.5*16/9,t/2.5)

Dec 16 2021 7:41 PM UTC

}// 78/140

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Axioplase

function u(t) {

for(i=3e4;i--;){Y=Math.floor((i-2e4)/(t*t));X=i%960-480;Z=10;if((X*X/Z)+(Y*Y/Z)<100*100)x.fillRect(960+Y,540+X,10,10)}

Apr 23 2025 1:17 PM UTC

}// 118/140

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u/joeytwiddle

Satisfying #circle

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Glastohead

remix of d/3713 by u/bobdunn

function u(t) {

c.width=1920; /* clear the canvas */
  for(i=0;i<64;i++)
  x.fillRect(i*30, 400 + C(4*t+(i*3))*100, 27*T(t), 200)

Dec 26 2017 11:39 PM UTC

}// 113/140

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Nick

function u(t) {

c=128+128*C(t)
x.fillStyle=R(c,t,255-c,1)
x.fillRect(t*400%2000-100,(400+200*C(3*t)),100,100)

Mar 2 2017 6:34 AM UTC

}// 93/140

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sabre_sabyata

remix of d/7429 by u/p01

function u(t) {

for(c.width=i=210;i-=1/8;x.fillRect(99+(i-99)*C(t)+S(i)*r,S(i/67+S(t)/2)*75+C(i)*r,9,9))r=50*T(i/70-6),x.fillStyle=R(a=r*(9-C(i*3)**9),a*.3)

Nov 7 2020 1:30 AM UTC

}// 140/140

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obliterated belated halloween banana

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BirdsTweetCodersDweet

remix of d/6726 by u/akm

function u(t) {

for(c.width|=i=9;i--;x.lineWidth=9)x.lineTo(630*(2+C(i)),500*(1+S(i*Math.PI/t)))
x.stroke()

Feb 5 2018 5:27 PM UTC

}// 91/140

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SingingGoat

function u(t) {

c.width=1920;for(a=0;a<12;a++){for(i=0;i<20;i++){x.fillStyle=R(100*T(i+t*a),200*C(i+a*t),200*C(i+t*a));x.fillRect(i*96,a*100,100,100)}}

Feb 23 2017 5:50 AM UTC

}// 135/140

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Agnes

remix of d/22739 by u/Agnes

function u(t) {

c.width|=0;a=t?a.filter(e=>e>.1):[];~~(60*t)%20==0?a.push([1e3]):0;a.map((e,i)=>x.arc(960*(1+.3*S(i+t)),540,e[0]*=.9,0,7));x.fill('evenodd')

May 10 2021 9:59 PM UTC

}// 140/140

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Popcorn Launcher