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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UnacceptableUse

remix of d/8829 by u/UnacceptableUse

function u(t) {

x.beginPath(c.width=d=100);x.fillRect(0,0,d,d);for(i=35;i--;)x.beginPath(x.strokeStyle=R(0,i%2*d,d)),x.arc(d,9,t*i%d,0,7),x.stroke();

Sep 2 2019 2:40 PM UTC

}// 133/140

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3bl3gamer

function u(t) {

c.width=256;for(i=256;i--;)for(j=142;j--;x.fillRect(i,j,1,k/14))for(a=b=0,k=18;k--&&b*b<4;)q=a*a-b*b+i/96-2+C(t*2),b=2*a*b+j/96-1+S(t*2),a=q

Jul 29 2016 7:32 AM UTC

}// 140/140

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u/iverjo

Cool!
u/iverjo

135 characters: for(c.width=i=256;i--;)for(j=142;j--;x.fillRect(i,j,1,k/14))for(a=b=0,k=18;k--&&b*b<4;a=q)q=a*a-b*b+i/96-2+C(t*2),b=2*a*b+j/96-1+S(t*2)

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Xen

function u(t) {

with(x)for(i=8;i--;fillStyle=`hsl(${a*57.3+t} 70%60%`)beginPath(fill(lineTo(960,540))),arc(960,540,2e3,a=i*.8-t,a+.8)

Sep 26 2019 5:10 PM UTC

}// 117/140

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u/DataMeta

Mhm yup

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Jacoder23

function u(t) {

var a=new window.webkitAudioContext,b=a.createOscillator();b.frequency.value=440;b.connect(a.destination);b.start(0);

Dec 27 2017 7:01 AM UTC

}// 117/140

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u/brimstone1x

Ow my ears

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Xen

remix of d/29784 by u/poetaster

function u(t) {

x.reset();x.translate(960,540)
for(Y=p=i=380;i--;x.rotate(a/.81),x.fillRect(t,p+Y*i/t,i/140,Y*Y))
a=6.28/p,Y=S(a*i*.57+t)*99+S(a*i+t*S(i*t))

Apr 15 2024 10:52 PM UTC

}// 140/140

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REmix1

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DonKarlssonSan

function u(t) {

c.width|=0
for(X=0;X<25;X++)for(Y=0;Y<14;Y++){f=Math.sqrt((X-12)**2+(Y-7)**2)
x.fillRect(X*80-(l=S(t-f)*25+50)/2,Y*80-l/2,l,l)}

Jan 8 2018 8:17 PM UTC

}// 127/140

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Purpzie

remix of d/10110 by u/Purpzie

function u(t) {

r={valueOf:Math.random}
x.fillStyle=`hsl(${t*100} ${25+r*75}%${25+r*25}%)`
x.fillRect(r*2e3,r*1e3,r*500,r*500)

Sep 27 2018 1:14 PM UTC

}// 110/140

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generative art

u/Purpzie

I ended up having to remove the bit that makes everything slowly fade away, but it still looks neat.

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bandaloo

function u(t) {

d=2e3
if (t<1) x.fillRect(0,0,d,t*d)
else {x.fillText(t,(Math.floor(t)*99)%d-99,(t*d)%d)
x.fillStyle=R(0,1e3)}

Feb 7 2020 5:19 AM UTC

}// 110/140

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readout

u/Xen

nice

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hoplite

remix of d/26599 by u/hoplite

function u(t) {

for(w=i=c.width=128;i--;)for(j=w;j--;k=r>1?1:r,x.fillRect(i,j,k,k))r=0,[2,3,4,5,7].map(a=>r+=w/((i-48*C(a*t/9)-64)**2+(j+9*T(a*t/7)-36)**2))

Dec 11 2022 10:44 PM UTC

}// 140/140

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u/magna

#metaballs
u/joeytwiddle

ooh this canvas is only 72 pixels tall!

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ciaccodavide

function u(t) {

r=a=>Math.floor(Math.random()*a)
for(i=10000;i--;){a=r(1920)
v=r(1080)
if(!p[`p${a+v}`]){p[`p${a*v}`]=true
x.fillRect(a,v,1,1)}}}{a=v=0;p={}

Oct 28 2020 6:07 PM UTC

}// 140/140

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Saturn rings detail