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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Xen

remix of d/8918 by u/New_Core

function u(t) {

for(w=c.width|=i=800;i--;x.rect(960+Z*S(q/C(t/9))*20,400*C(q/t*S(t/5))+540-Z,Z,Z))Z=w/(i+S(q=t-i*C(t/9))+39)
x.fill("evenodd")

Jul 23 2018 3:55 PM UTC

}// 126/140

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faster and faster

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BuRRak

remix of d/7413 by u/BuRRak

function u(t) {

c.width|=0;for(i=0;i<8;i++)x.arc(250+200*i,540+S(frame/15+i*30)*200,75,-frame,-frame);x.fill();

Mar 22 2018 5:12 PM UTC

}// 95/140

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elfo

function u(t) {

for(i=0;i<25;i++)
x.fillRect((t*i)*7.5,0+(t*(c.height/12)),0.1,c.height)

Feb 5 2023 3:52 AM UTC

}// 72/140

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greyscale pattern w/rays

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yokljo

function u(t) {

c.width*=1;s=170;n=12;d=Math.PI/n*2;for(i=n;i--;x.fillRect(S(i*d)*s+960,C(i*d)*s+540,o=S(i/2-t*n)*n+n,o));

Aug 25 2017 11:21 PM UTC

}// 106/140

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u/magna

Added this as a dweet player loader :)

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384.cz

remix of d/26153 by u/384.cz

function u(t) {

x.fillRect((f=t*60)%16*16,f,16,16*`蟀䕂⟄ᄈऐԠ̀΀Ҁࡀဠ‐䀈耄`.charCodeAt(f/16).toString(2).padStart(16)[0|f%16])

Aug 16 2023 1:04 PM UTC

}// 104/140

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#stickman

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neimad

remix of d/23298 by u/pavel

function u(t) {

with(x)for(i=m=2e3;i--;m=beginPath(fill(arc(960+r*C(a=j/5*t+i/49),540+r*S(a/3),m||i%99,0,7))))j=i/99|0,r=55*j,fillStyle=`hsl(${i},99%,50%`

Feb 5 2023 10:11 PM UTC

}// 138/140

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Math doing math things

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anilalur

function u(t) {

Feb 6 2025 1:38 PM UTC

}// 0/140

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u=t=>{c.width|=0;for(i=50;i--;){a=i/8+t;r=50+30*S(2*a);x.fillStyle=#09f;x.fillRect(960+r*C(a),540+20*S(a),6,6)}}

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kmoseni

function u(t) {

t*=t 
for(i=-19;i<7;i++)
x.fillRect(990+i*99*S($=i-t/4)+$ 
          ,540+i*99*C($)-$
           ,1/T($)
           ,T($))
x.rotate(t/1e9)

May 24 2021 8:22 PM UTC

}// 138/140

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Symmetries among singularities

u/andrea270872

nice granularity
u/kmoseni

Thanks u/andrea270872! I find it reminiscent of DaVinci’s sketches.

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smtsjhr

remix of d/20176 by u/smtsjhr

function u(t) {

for(c.width|=l=375;l--;)f=j=>x.fill(p=new Path2D,p.arc((l%33+j/2)*99,(l>>5)*99+j*50,80+80*S(l*C(t/99)-2*t),m=(j+1)*1.6,m+1.6)),f(1),f(-1)

Oct 4 2020 8:51 AM UTC

}// 137/140

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BriSeven

function u(t) {

eval(unescape(escape`吽㘰⩴簰㭃㵔┵㭒㵔⼵簰㭚㵒┲㭩昨ⅴ⥡㵛崻䄽䌪㈫娻䈽䌪㈫⅚㭡孁崽㄰㐹㔾㸨慛䈭㉝㰼㍼慛䉝㰼㉼慛䄭㉝㰼ㅼ⡍慴栮牡湤潭⠩⨲簰⤩☱㭸⹦楬汒散琨㉥㌭別㔵⨹Ⱘ㔭䌩⨹⬨刯㔵簰⤪㔵ⰹ⩡孁崬㤩㬠`.replace(/u([^D].)/g,'$1%')))

Apr 20 2025 3:14 PM UTC

}// 138/140

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Right to left square kufic-like

u/BriSeven

10495 is a magic number containing the rules; no diagonals, no solid 2x2 blocks