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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Axioplase

function u(t) {

X=~~(Math.random()*2e3);Y=1;while(1){new Date&1?X+=2:X-=2;if(Y++>1e3||x.getImageData(X,Y,1,1).data[3])break}x.fillRect(X,Y-1,9,-9*(t<99))

Aug 5 2025 2:17 AM UTC

}// 137/140

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Ferns on a windy day

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renmilestone

function u(t) {

  for(i=0;i<7;i++)c.width=1920;x.beginPath();x.lineWidth=(t%10);x.arc(c.width/2,c.height/2,200,0,Math.PI*(t%2));x.stroke();
//1st dweet

Dec 31 2017 8:00 PM UTC

}// 135/140

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rodrigo.siqueira

remix of d/33714 by u/rodrigo.siqueira

function u(t) {

c.style.filter=`invert(.1)`
for(i=52e3;i--;)r=S(i*i/t)*1.3,Z=C(S(i*50))*13,x.fillRect(960+C(k=i*20+r*r/3)*3e3/Z+r*360,540-S(k)*3e3/Z,.1,t<1)

May 4 2025 3:49 PM UTC

}// 140/140

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Double star connection

u/warbino

awesome!

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sandromiccoli

remix of d/5661 by u/sandromiccoli

function u(t) {

for(i=0;i<88*(t%9);i++){x.fillStyle=R(0,0,0,Math.random()/25);s=t%4.735*100;x.fillRect((i%2?635:1285)+C(p=t/10+i)*C(t)*s,540+S(p)*(s),5,5)}

Jan 6 2018 10:26 PM UTC

}// 139/140

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u/magna

Very pretty!
u/sigveseb

a pair of eyes?
u/sandromiccoli

started being a vulva ( d/5643 ) but then i saw a cat

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username

remix of d/17833 by u/iznax

function u(t) {

eval(unescape(escape`挮睩摴桼㴰㭷楴栨砩景湴㵠㔰敭❠ⱦ楬汔數琨却物湧⹦牯浃潤敐潩湴⠱㈷㜶ㄫ⡴⨱⸲㜳⬴簰⤥㠩ⰴ㤰ⰸ㈰⤬獣慬攨⸲Ⱞ㈩ⱦ楬汔數琨䌨琩㰭⸹㽠怺恜畻ㅦ㌱敽怬㐴〰ⵓ⡴⤪㑥㌬㍥㌩ⱳ捡汥⠵ⰵ⤻`.replace(/u(..)/g,"$1%")))

Mar 6 2020 10:47 AM UTC

}// 133/140

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sun's shining; been a while

u/username

#randomremix no 40

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primo

remix of d/23998 by u/KilledByAPixel

function u(t) {

for(i=c.width|=0;i--;)x.arc(960+S(z=i/40-t*6)*40,540+C(z)*40,i,0,9)
x.stroke()

Oct 5 2021 7:33 AM UTC

}// 78/140

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Moiré Spiral

u/KilledByAPixel

nice!

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DirtyDan

function u(t) {

c.width+=0
x.globalCompositeOperation='xor';
for(i=0;i<300;i++)R=515*S(t+i/3000*6),x.fillRect(960+R*C(t+i)-25,540+R*S(t+i)-25,50,50)

Feb 1 2018 8:21 PM UTC

}// 132/140

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u/Purpzie

Managed to shorten this by 4 characters: for(c.width|=i=0,x.globalCompositeOperation='xor';i<300;i++)R=515*S(t+i/3e3*6),x.fillRect(960+R*C(t+i)-25,540+R*S(t+i)-25,50,50)

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bobbymonboy

remix of d/739 by u/donbright

function u(t) {

c.width=900;半=450;for(i=0.0;i<720;i+=0.1){x.lineTo(半+C(i*t/20)*i,半*9/16+S(i*t/20)*i)};x.stroke();

Jun 4 2021 8:02 PM UTC

}// 97/140

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Slower, Fullscreen

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katkip

remix of d/13068 by u/vinca

function u(t) {

for(t||0(X=Y=.1,b=.86,r=280),i=1e3;i--;)x.fillRect((i?1e3:0)+r*X,r*Y+99,1,1),V=(1+1.02*b)*X-b*X*Y,W=(1-b)*Y+b*X*X,X=V,Y=W

Apr 7 2019 9:03 AM UTC

}// 121/140

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Golfed and fixed symmetry

u/katkip

19 bytes less
u/joeytwiddle

19 bytes *fewer. less stuff (uncountable) fewer things (countable). Class dismissed!
u/katkip

Ooops got a F

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nntb

remix of d/3276 by u/cantelope

function u(t) {

for(x.fillRect(0,0,i=(w=1e3)*2,i);--i;)x.clearRect(w+((i+S(i)*9/(Z=3+((i/60|0)*2+t*16)%65))%30-15)/Z*w,561+(3-S(i*4+t)*76/Z)/Z*w,s=w/Z/Z,s)

Dec 14 2019 11:41 PM UTC

}// 139/140

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just a little adjustment to make it seem more like the back seat of a car