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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Purpzie

remix of d/4329 by u/retera

function u(t) {

for(c.width|=0,d=720;d--;x.fillRect(C(a=b/8/t+t/r)*s*S(b%8+t)+960,S(a)*s*C(b%8-t)+540,8,8))s=480+C(r=0|d/72,b=d%72)*r*5

Oct 12 2018 4:53 PM UTC

}// 119/140

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Combined 3 for loops into 1, shortening from 140 to 119 characters

u/donbright

awesome

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joe.m

remix of d/15836 by u/joe.m

function u(t) {

t?0:q=j=4900,d=[-1,99,1,-99]
x.globalCompositeOperation='xor'
j+=u[q]?-1:1
u[q]^=1
q+=d[j%4]%9801
x.fillRect(19*(q/99|0),10*(q%99),18,8)

Sep 28 2019 2:08 PM UTC

}// 136/140

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langton's ant. Chaos becomes order after about 10k iterations, wait for it...

u/joe.m

#emergent #automata
u/KilledByAPixel

Welcome to the #ant club!
u/Xen

nice!

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baon

remix of d/29067 by u/baon

function u(t) {

for(c.width|=0,X=Y=0,p=i=2e3;i--;x.fillRect(960+400*X,540-400*Y,9,9))
r=0.1+99**S(1e4*i)**10/2,X=r*S(i+t/5),Y=r*C(i+t/5)

Dec 5 2023 3:26 PM UTC

}// 120/140

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Pascal

remix of d/21481 by u/Pascal

function u(t) {

eval(unescape(escape`𩠽𚁘𛁙𛁮🐶𝀩🐾𦐭𦀼𫠿𩠨𥀨𤰨𦀩𛑃𚁙𚐩𛀲𚡘𚡙𚰮𝰬𛐭𫠩𞠲𝐵𛑮𚠴𒡦𫱲𚁩🐲𩐳𞱩𛐭𞱸𛡦𪑬𫁒𩑣𭀨𭀪𜐸𜀬𪐬𜰬𜐩𚑸𛡦𪑬𫁓𭁹𫁥👒𚁡👦𚁴𛰵𝐮𝐶𛐮𝀬𪐯𜑥𝀭𛠳𚐫𜰰𛁡𛐳𜀬𨐯𜐮𝐭𜐵𚐠`.replace(/u../g,'')))

Feb 1 2021 11:18 AM UTC

}// 119/140

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wood

u/jellyedwards

Very nice!
u/jellyedwards

#realistic

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rodrigo.siqueira

remix of d/12961 by u/rodrigo.siqueira

function u(t) {

c.style.filter='sepia()invert('
c.width|=0
for(i=1e4;i--;x.fillRect(960+X*36,540+Y*36,3,3))X=i%8*S(v=i/8+t)+4*S(i/4+t),Y=i%8*C(v)-4*C(i/4-t)

Jan 14 2026 5:35 PM UTC

}// 140/140

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Rotating line object

u/cantelope

sepia()invert(++
u/ximavus

#illusion

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Axioplase

function u(t) {

c.width=100;for(j=60;j--;)for(i=110;i--;)x.fillStyle=R(0,0,255,.03),x.fillRect(i+S(t+(j*j+i)/9)-9,j+C(t+(i+j)/9)-1,3,2)

Jan 13 2026 10:52 PM UTC

}// 119/140

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Stream

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kodierer

remix of d/7936 by u/kodierer

function u(t) {

c.width=1920 // clear the
x.strokeText ('Martin', 500, 500, 80000)

May 4 2018 4:22 AM UTC

}// 66/140

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initramfs

remix of d/22922 by u/initramfs

function u(t) {

x.drawImage(c,10+S(t)*10,0)
i=e=1250;while(i--)x[g='fillText'](['💭','🌎','🍁','👾','😂'][Math.abs(~~(20*S(C(i)*1)))],e-i%1250,S(i+S(S(t)))*e)

May 31 2021 5:29 AM UTC

}// 137/140

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p01

function u(t) {

for(x.drawImage(c,C(t)-9,4,i=1940,1090);i--;x.fillRect(i,0,1,4))x.fillStyle=R(T(i+t),T(i)*9,T(t))

Jul 21 2017 8:50 PM UTC

}// 97/140

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NIGHT-TRIP

u/iverjo

Looks nice in fullscreen

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gravityGobbler

function u(t) {

c.width=1920
for(i=0;i<110;i++){
j=i%10;x.fillStyle='hsl('+i*20+',50%,50%)'
x.fillRect(960+900*T(i+t),540+600*S(j+t),99,99)
}

Dec 15 2021 3:49 PM UTC

}// 127/140

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