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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magna

remix of d/14069 by u/magna

function u(t) {

T.valueOf=Math.random
for(i=99;i--;s=a[3],x.fillRect(a[0]+=C(z=a[2]+=T-.5)*s,a[1]+=S(z)*s,s,s))u[i]=(a=u[i]||[T*2e3,T*2e3,T*7,T*2])

May 22 2019 12:07 PM UTC

}// 131/140

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#walkers with perspective

u/katkip

now its #d3
u/Qwitter

cool.

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46uuuu

function u(t) {

try{eval("-0**0")}catch(e){throw(""+e).split``.reverse().join``.toLowerCase().replace(/\b./g,i=>i.toUpperCase()).replace(/[:.]/g,"")+"."}

Jun 17 2026 2:49 AM UTC

}// 137/140

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this dweet speaks secret language

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Xen

remix of d/34360 by u/Xen

function u(t) {

for(t<9&&x.drawImage(c,C(z=t*(i=199)),S(z));i--;x.fillStyle=`hsl(99,${z+C(z*i)*i}%,${t>1?t<3?40:z:0}%`)x.fillRect(960+C(i)*z,540+S(i)*z,1,1)

Sep 25 2025 10:17 PM UTC

}// 140/140

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golf to fit

u/hopeomathy

the life of a kiwi
u/ximavus

ohhhh

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poetaster

remix of d/18096 by u/Kirjava

function u(t) {

eval(unescape(escape`挮獴祬攮晩汴敲㵠扬畲⡠੦潲⡣⹷楤瑨簽〬椽㈰㭩ⴭ㬩戽椫㄰⩴ⱡ㴰⸰㜪椫琬砮晩汬却祬攽刨〬椪㔩ⱸ⹦楬汒散琨㠰〫㘰〪吨愩⬵〰⩓⡴⤬匨戯㔩⩃⠨愫戩⼲⤪ㄵ〫㔰〫㐰〪䌨愩ⰸⰸ⤠`.replace(/u([^D].)/g,'$1%')))

Oct 24 2023 4:45 PM UTC

}// 132/140

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smaller snakes, too.

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Aeholbrook

remix of d/3697 by u/Citiral

function u(t) {

w=1920;for(c.width=i=w;i>=0;i-=10)for(j=0;j<1e3;j+=10){i2=i-w/2;j2=j-1080/2
d=Math.abs(T(i2*i2+j2*j2))*t
o=9+C(d-t*5)*5
x.fillRect(i,j,o,o)}

Feb 7 2024 5:02 PM UTC

}// 140/140

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baon

remix of d/29409 by u/skeletonNatte

function u(t) {

for(c.width+=i=0;i<1e4;i++) q=S(t+i), p=C(t+i),
[X,Y,Z]=[1,2,3].map(a=>C(i**a-i)**-1*100),
x.fillRect(X*q-Y*p+960,(X*p+Y*q)/-5+Z+540,5,5)

Feb 7 2024 6:51 AM UTC

}// 137/140

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CaptainMeat

function u(t) {

c.width=1920;for(i=1920;i>0;i--)x.fillRect(i,S(i+t)*500+540,25,25)

May 2 2022 8:37 PM UTC

}// 66/140

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just now realized that you can force yourself to see the dots going up or down

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iverjo

function u(t) {

c.width=198;X=Y=99,a=0,d=9;for(i=0;i++<30;)x.beginPath(),x.moveTo(X,Y),x.lineTo(X-=d*S(a),Y-=d*C(a)),d*=.9,x.stroke(),a+=S(2*t-i/12)/3

Jan 8 2016 1:22 AM UTC

}// 134/140

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u/stiaje

Nice blurring!
u/iverjo

The blur wasn't meant as a part of the effect. I believe it was done as a compromise to save a few bytes at a point during the process of creating the dweet
u/katkip

#plant

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metamero

remix of d/14060 by u/metamero

function u(t) {

t?location='/id/14062':localStorage.Do=`<textarea id=A></textarea><style>*{background-color:#000;color:#DDD;width:100%;font-family:Courier}`

May 22 2019 3:58 AM UTC

}// 140/140

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DWOS v01 DISK 2/3

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andrea270872

function u(t) {

U=frame%20
if(U==1)K=[B=++t%2-1,A=S(t),-A,B,1e3,500,x.resetTransform()]
x.transform(...K)
x.fillStyle='#E'+U*U
x.fillRect(0,0,99,70)

Mar 26 2019 7:09 PM UTC

}// 132/140

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random affine transforms + colors