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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Current theme challenge: #Food

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384.cz

function u(t) {

for(j=2e3;j--;x.fillStyle=`#${j%9}73`)x.fillRect(t=S(t)*j,t=S(t)*j,99,99)

Dec 16 2023 6:47 PM UTC

}// 73/140

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#wild #noiser

u/384.cz

#noise

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ximavus

function u(t) {

for(x.reset(i=1e3);i--;)x.fillRect(960+S(t-i+C(t-i)*3)*960,540+C(t+i+S(t+i)*3)*540,20,20)

Jan 13 2026 8:03 PM UTC

}// 89/140

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Spirals

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unwiredben

function u(t) {

x.fillStyle=R(0,255*S(t),0,.5)
x.font=(t*60)%600+"px sans"
x.fillText("hello, world",0,800+50*C(t))

May 10 2017 3:30 PM UTC

}// 99/140

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u/lionleaf

Hello, unwiredben :)

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Ghoust

function u(t) {

c.width*=1
for(l=5;l;l--){x.fillStyle='#0'+415/l
for(i=27;i;i--)for(j=119;j;j--)x.fillRect(i*69+S(t*9+j/19+i*l)*9+l*29,j*9+l*69,j/2,9)}

Jul 25 2022 3:01 PM UTC

}// 135/140

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Waving Grass

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pythech

function u(t) {

with(x)for(i=200;i--;fillRect(i*9,!fillText("😁",i%9*200,i*30),9,2e3))fillStyle=`hsl(39,80%,${Math.abs((i+t*60)%62-31)*2.8}%)`,font="5em x"

Jun 6 2018 8:09 PM UTC

}// 138/140

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based on "swimming fish optical illusion"

u/pythech

works with Apple emojis, probably doesn't work with other devices
u/S.T.L.K.R.

STARE AT IT FOR 10 SECONDS
u/iverjo

#opticalillusion

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iznax

function u(t) {

for(c.width|=i=9;i--;q=C(t)>0)
x.fillRect(z=(4+S(t)*3+i)*100,400,50,200)
x.font="8cm'"
x.scale(q?-1:1,1)
x.fillText("🦓",q?-1023-z:z-175,336)

May 17 2020 5:19 PM UTC

}// 140/140

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Push Me Pull Me #default

u/sigveseb

lol
u/magna

loll

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rodrigo.siqueira

function u(t) {

c.width^=0
for(j=0;j<9;j++)for(i=0;i<240;i++)x.fillStyle=`hsl(${S(t/9)*i} 50%75%`,x.fillRect(i*8,560-S(i/99+t)*i+C(S(t)*i/70+t*9)*j*32,8,7)

Nov 26 2018 4:56 PM UTC

}// 139/140

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Dancing Ribbon

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poetaster

remix of d/28700 by u/Ugly_uck

function u(t) {

p=S(t)
t*=99%35
if(t>1920)t=0
if(t>960){t-=960}
x.strokeRect(t,t*p+540,p*t,t)
x.strokeRect(1920-t*2,t*p + 540,p*t,t)

Oct 19 2023 7:10 PM UTC

}// 117/140

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sheet metal evolve.

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cantelope

function u(t) {

eval(unescape(escape`𩡯𬠨𨰮𭱩𩁴𪀽𭰽𜐰𜀬𪐽𝡥𜰻𪐭𛐻𮀮𩡩𫁬𤡥𨱴𚁘𛁙𛀱𛀱𚐩𮀮𩡩𫁬𤱴𮑬𩐽𨁨𬱬𚀤𮱓𚀨𩀽𣑡𭁨𛡨𮑰𫱴𚀵𜀭𚁘👩𙑷𚐬𜠸𛐨𦐽𪐯𭱼𜀩𚐪𚠳𛰨𜡥𜰫𠰨𭀪𜠩𚠱𞐹𜀩𛑴𚠲𜀩𛰲𜀩𚠱𜰵𚱴𚠲𜀰𯐬𞐹𙐬𙁻𝐰𚱃𚁤𛑴𚠴𚐪𝐰𯐥𨀻`.replace(/u../g,'')))

Dec 19 2020 12:27 AM UTC

}// 130/140

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danny@hille.dk

remix of d/13643 by u/magna

function u(t) {

with(x){for(q=c.width=255,i=25;i--;beginPath(fill(arc(S(t/9+i)*99+120,C(t/i)*80+80,25+S(i)*5,0,7))))fillStyle=R(q/i,q-C(t/i)*q-q,i*i,.4)}

Jul 13 2020 2:30 PM UTC

}// 138/140

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Just messing around

u/joeytwiddle

I see a sunrise and sunset on a planet with 3 no 4 no 5 moons, oh and also the sea is boiling.
u/donbright

so good