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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23_Skidoo

remix of d/12320 by u/23_Skidoo

function u(t) {

for(s=24,d=360,i=4e3;i--;f=(X^Y)/5-t,x.fillStyle=`hsla(${S(f/d)*d} 75% ${s+C(f/s)*C(f*8+t)*60}%`)x.fillRect(X=i%82*s,Y=~~(i/82)*s,s,s)

Feb 13 2019 2:10 AM UTC

}// 134/140

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u/erin

12321

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New_Core

remix of d/3029 by u/cantelope

function u(t) {

x.globalAlpha=.2;for(x.fillRect(0,0,2e3,2e3),W=j=980;--j;x.clearRect(W+S(p=t+j-5.3*V)/Z*W-Z*-9,540+C(p)/Z*W,s=60/Z,s))Z=j%98-t*6+(V=t*6|0)

Aug 7 2017 10:55 AM UTC

}// 138/140

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in the j%98 try also %83.1,%88,%104

u/cantelope

nice!
u/sigveseb

pretty sweet tunnel!
u/New_Core

#tunnel

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rodrigo.siqueira

remix of d/33747 by u/rodrigo.siqueira

function u(t) {

x.fillRect(0,0,2e3,2e3*!t)
for(i=5e3;i--;x.fillRect(960+9*s*C(i),540+9*s*S(i),s,s))x.fillStyle=R(c=99*S(t+i*i),c*3,c*4,.07),s=(i/9+t*7)%138

May 8 2025 2:00 PM UTC

}// 139/140

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Emission point

u/thenize

very mesmerizing
u/Xen

nice!

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iverjo

remix of d/268 by u/nkedel

function u(t) {

if(!t)r=0,X=960,Y=540,W=1920,H=1080;x.fillRect(X+=5*S(r+=.5-Math.random()),Y+=5*C(r),5,5),X=((X%W)+W)%W,Y=((Y%H)+H)%H

Jul 21 2016 11:35 AM UTC

}// 117/140

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With wraparound

u/iverjo

#random

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ntsutae

function u(t) {

c.width=1024
for(i=0;i<1024;i++){
y=(t*111-i)%768
p=1.01**y+50
x.fillRect(S(i*i+t)*p+512,y,5,5)}

Apr 27 2020 9:16 PM UTC

}// 96/140

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I learned how not to use arrays.

u/joeytwiddle

Excellent!
u/avocade

Love it!

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KilledByAPixel

function u(t) {

a='🚓🚕🚗🚒🚙🚑🚌 '
eval(unescape(escape`󭽩󭍨󚍸󚝦󫽲󚍩󟜭󜜻󚼫󪜼󜜳󞽦󫽮󭌽󙼸󩝭󘬧󚝦󫽲󚍪󟜲󝜻󪬭󛜻󚝦󪝬󫍓󭍹󫍥󟝒󚍺󟝩󚬱󜬰󛍺󚜬󩭩󫍬󤭥󨽴󚍪󚬹󞜬󮬬󬜽󪜿󜜹󞬳󩜳󛍱󛼲󚜬󩭩󫍬󥍥󮍴󚍛󛬮󛭡󧝛󚌨󭌫󪭼󜌩󚬪󝜫󪜩󙜸󯌰󧜬󚌱󝬰󚽩󚬪󝼥󜬹󞜩󚬨󪬭󭌥󜜩󛍺󛜳󜌩`.replace(/u../g,'')))

Jun 5 2023 3:46 PM UTC

}// 140/140

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Traffic 🚕🚓🚗🚙🚒🚑🚌

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solendil

function u(t) {

for(i=1e3;i--;c.style.transform=`scale(2)rotate(${t*9}deg`)s=T(i**3)%1+1,x.fillStyle=R(W=S(t)*200,0,W),x.fillRect((t+i)*s**9%2e3,i,w=s**6,w)

Oct 8 2020 9:44 AM UTC

}// 140/140

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Purple Stripes

u/MAxSaL

Really cool!
u/milofultz

LOVE this

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metamero

function u(t) {

eval(unescape(escape`𭱩𭁨𚁸𚑦𫱲𚁩🐭𜐬𩡯𫡴🐢𜰲𜁰𮀠𠑲𪑡𫀠𠡬𨑣𪰢𞱩𚰫🀹𞐻𭀿𜀺𪐦𙡩🀴🱩𧠳🱦𪑬𫁔𩑸𭀨𪑞𜐿𘡹𩑬𫁯𭰢𞠢𪑬𫁵𬱯𬡹𘠬𞐹𛁩𚠴𜠰𚐺𬡯𭁡𭁥𚀮𝰸𝐩𞡦𪑬𫁒𩑣𭀨𪐪𜠳𛐹𞐬𛐲𩐳𛁩🰱𜰺𜡥𜰬𝁥𜰩𚑦𪑬𫁓𭁹𫁥👩🱩🠳🰢𘱆𡡆𘠺𘠣𝐵𝐢𞠢𘰰𜁆𘠻`.replace(/u../g,'')))

Jun 5 2019 9:02 PM UTC

}// 139/140

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"Illusory yellow distortion" by Akiyoshi Kitaoka

u/metamero

"If observers approach or move away from the image fixating at the center, then the words appear to be distorted."
u/metamero

uncompressed: with(x)for(i=-1,font="320px Arial Black";i++<99;t?0:i&&i<4?i^3?fillText(i^1?"yellow":"illusory",99,i*420):rotate(.785):fillRect(i*23-99,-2e3,i?13:2e3,4e3))fillStyle=i?i>3?"#FFF":"#555":"#00F";
u/metamero

#illusion #opticalillusion
u/metamero

d/14455 animated version

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384.cz

remix of d/32862 by u/384.cz

function u(t) {

c.width|=0
for(i=2e4;i--;x.fillRect((0|i/1e3)*100,i%1e3,100*d[i%5],1))d=(i^(frame<<(i/3e3))^(i/9)).toString(2)
throw d

Dec 3 2024 7:51 PM UTC

}// 118/140

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permutation engine

u/SkibidiHawk

#sigmaboy

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WowzerW

function u(t) {

for(i=0;i<999;i++)x.fillStyle=`hsl(${t*99+i},99%,50%)`,x.fillRect(960+600*Math.sin(t+i/9)/i*9,540+600*Math.cos(t+i/9)/i*9,3,3)

Oct 16 2025 8:53 PM UTC

}// 126/140

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I am new and Hello World!

u/ximavus

Welcome to the dwitter community!