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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Agnes

remix of d/22606 by u/Agnes

function u(t) {

for(f=0,q=480;--q;)for(y=270;--y;x.fillRect(4*q,4*y,4,4))x.fillStyle='#'+(''+~~(q*y*t*f++)%(2**24)).padStart(6,'0')

May 31 2021 5:17 PM UTC

}// 115/140

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Higher-res (2.5x in both directions) "rippling through colour space" to match the recent performance increase

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eruonna

function u(t) {

if(t%1<.01){c.width|=0;x.font="48px monospace"
for(i=127;--i;)for(j=33;--j;)x.fillText(Math.random()>.5?"\\":"/",i*15,j*35)}

Apr 26 2017 8:48 PM UTC

}// 124/140

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u/donbright

ingenious
u/sigveseb

classic old-school effect :)
u/rep_movsd

#10print
u/rep_movsd

#tenprint

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cantelope

function u(t) {

eval(unescape(escape`𩡯𬠨𮀮𩱬𫱢𨑬𠑬𬁨𨐽𛠲𛁸𛡦𪑬𫁒𩑣𭀨𜀬𜀬𪐽𜑥𝀬𪐩𞱩𛐭𞱸𛡣𫁥𨑲𤡥𨱴𚀹𝠰𚱓𚁬𚰽𭀯𝀩𚡓𚁱👩𙐲🀮𝐿𫠺𜰮𜠭𫠩𚠨𫐽𜐫𤰨𬐪𞀫𭀪𝀫𫀪𜰩𛰸𚐯𚁚👃𚁬𚐪𤰨𬐩𚰱𛠶𚐪𚁨🐵𝀰𚐬𪀫𠰨𬐩𚡭𛱚𚡨𛁳🐮𝐫𜠯𦠬𬰩𚑮🐨𚁬👩𚠪𛠹𚐥𜐩𚠪𛠵𚠱𛠶`.replace(/u../g,'')))

Aug 23 2025 12:45 AM UTC

}// 139/140

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u/magna

Sexy!

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Xen

remix of d/4637 by u/worldoftrouble

function u(t) {

for(c.width|=j=9;j--;)for(i=99;i--;x.fillRect(960+157*S(n)+S(j)*99,i*9,i,9))x.fillStyle=R(o=128+99*C(n=t+3*i),o,o)

Sep 3 2020 4:17 PM UTC

}// 114/140

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play and golf

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anotherkitten

function u(t) {

eval(unescape(escape`瑼籸⹴牡湳污瑥⠹㘰ⰵ㐰⤫⡡㴱⤻砮晩汬剥捴⠰ⰰⰹ㘰ⰹ⤻晲慭攥㤹籼砮捬敡牒散琨戽ⴳ攳Ɫⰶ攳ⰶ攳⤫⡡㴡愩㭸⹦楬汓瑹汥㵡㽺㵒⠱㘰⤺刨⤻挮獴祬攮扡捫杲潵湤㵡㽒⠩㩺㭸⹤牡睉浡来⡣ⰰⰰ⤻砮牯瑡瑥⠮㤩`.replace(/u(..)/g,"$1%")))

Sep 21 2018 4:15 PM UTC

}// 140/140

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shattered

u/anotherkitten

source: t||x.translate(960,540)+(a=1);x.fillRect(0,0,960,9);frame%99||x.clearRect(b=-3e3,b,6e3,6e3)+(a=!a);x.fillStyle=a?z=R(160):R();c.style.background=a?R():z;x.drawImage(c,0,0);x.rotate(.9)

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rodrigo.siqueira

remix of d/18558 by u/rodrigo.siqueira

function u(t) {

for(let i=2e3,f=(X,Y,n=21)=>X*X<n?f(X*X-Y*Y-.85,2*X*Y+.2,n-1):x.fillStyle=`hsl(9,99%,${n**2}%`;i--;x.fillRect(i,t*60,1,999))f(i/490-2,1-t/9)

May 1 2020 3:20 PM UTC

}// 140/140

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Red Dragon #Julia #Fractal (wait for it)

u/KilledByAPixel

Very nice

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conjurer

function u(t) {

for(i=0;i<10;i++)
x.fillRect((i*1+(t%10)*3-10)*100,400,50,200+S(t+i)*100)
x.fillStyle=R(C(t)*255,S(t)*255,S(t*10)*255)

Jan 31 2022 5:44 PM UTC

}// 118/140

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first

u/magna

Cool!

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iverjo

remix of d/395 by u/iverjo

function u(t) {

for(w=i=960;i--;)x.fillStyle=R(a=w*!i,a,a,.1+i),x.fillRect(!a*(w+w*S(d=i/42)*S(b=20.9995*i+t)),!a*(530+530*C(d)),s=19/(S(d)*C(b)+1.3)+2*a,s)

Aug 1 2016 2:36 AM UTC

}// 140/140

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KilledByAPixel

remix of d/15247 by u/KilledByAPixel

function u(t) {

eval(unescape(escape`𬠽𫐽🡃𚁑𚡑𚰫𚐪𫐻𡠽𚁘𛁙𛁚𛁗𛁁𛁂𚐽🡲𚀹𛁸𛡦𪑬𫁒𩑣𭀨𝀸𚱘𚡓𚁴𚐫𦠪𠰨𭀩𛁙𛁗𛁗𚐬𥰾𛠲𙠦𡠨𦀫𠰨𠠩𚡓𚁁𚐪𥰬𦐭𠰨𠐩𚡗𛰲𛁚𚱓𚁂𚐪𤰨𠐩𚡗𛁗𚠮𞐵𛁁𚠮𞐷𚱲𚀮𜀵𚐬𠠩𚐾𥰦𙡆𚁘𛁙𛁚𛁗𛰲𛁲𚀲𚐬𬠨𝰩𚐻𡠨𜀬𝐱𛀰𛀵𛀰𛁑👣𛡷𪑤𭁨🐹𞐩`.replace(/u../g,'')))

Aug 3 2019 5:38 PM UTC

}// 140/140

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#tree #d3 V2

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penis_dweet

function u(t) {

x.fillStyle="#fdd"
x.fillRect(450,450,50,50)
x.fillRect(550,450,50,50)
x.fillRect(500,50,50,450)
x.fillStyle="pink"
x.fillRect(500,50,50,50)

May 28 2022 1:53 PM UTC

}// 140/140

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penis dweet