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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xyper

function u(t) {

a=b=800;c=[500,0,0,800,999,800];for(i=0;i<99;i++){f=~~(Math.random()*3);a=a+(c[f*2]-a)/2;b=b+(c[f*2+1]-b)/2;x.fillRect(a,b,1,1)}

Nov 15 2023 11:09 AM UTC

}// 128/140

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sierpinski triangle thing i made, took way too long and is probably super unoptimised

u/Xen

nicely done!
u/rodrigo.siqueira

Simple optimization to reduce 6 chars: c=[500,0,0,a=b=800,1e3,b]

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smtsjhr

remix of d/21514 by u/smtsjhr

function u(t) {

a=t/2%20|0
c.style.filter='invert()blur(4px)';for(c.width|=i=600;i--;){x.lineTo(1e3+2e3*S(i/(C(i*8)>0?a:a*S(a))+2),500+1e3*S(i))}x.stroke()

Feb 4 2021 12:44 AM UTC

}// 139/140

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CobWeb SlideShow

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Mangocode

function u(t) {

c.width=1920
  for(i=0;i<480;i+=1){
x.fillStyle=R(i/2, 0, 0)
a=C(i)*S(i)*480
x.fillRect(700+S(i)*a+S(t)*i, 500+C(i)*a+C(t)*i, 50, 50)}

Jan 1 2018 8:53 PM UTC

}// 134/140

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KilledByAPixel

function u(t) {

eval(unescape(escape`󭽩󭍨󚍸󚝦󫽲󚍣󛭷󪝤󭍨󯌽󪜽󜌬󦌽󞜹󛍳󪍡󩍯󭽃󫽬󫽲󟝒󚍦󫽮󭌽󙼴󪝮󘬧󚜻󪜼󝼻󩭩󫍬󥍥󮍴󚍤󟜧󡍗󢝔󥍅󤬧󦽩󚼫󧜬󦌬󝬷󞜭󪌪󞜩󛍘󚼽󫝥󨝳󭝲󩝔󩝸󭌨󩌩󛭷󪝤󭍨󚝨󟜱󛬴󛝃󚍴󚬲󛝩󚜬󬽨󨝤󫽷󣽦󩭳󩝴󦌽󝜪󪌬󬽨󨝤󫽷󣽦󩭳󩝴󦜽󬽨󨝤󫽷󠭬󭝲󟜹󚭨`.replace(/u../g,'')))

Feb 27 2026 11:09 PM UTC

}// 134/140

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Floating Text 🎈

u/cantelope

ooh
u/ximavus

DWITTER!

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aaaaaz

remix of d/19051 by u/veubeke

function u(t) {

z=Math.random;
a=['✊🏻','✊🏼','✊🏽','✊🏾','✊🏿']
d=a[~~(z()*5)]
x.drawImage(c,0,2)
x.font='6em"'
x.fillText(d,z()*c.width*1.1-100,120)

Jun 6 2020 3:03 AM UTC

}// 129/140

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#blacklivesmatter

u/joeytwiddle

Flip: x.drawImage(c,0,-2) and x.fillText(d,z()*2120-99,1040)

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iznax

function u(t) {

eval(unescape(escape`𭱩𭁨𚁸𚑦𫱲𚁣𛡷𪑤𭁨👱🐱𩐳𛁡🐷𜠻𛐭𬐻𬠽𝰭𬐥𝰬𮠽𪀼𞐰𛁦𪑬𫁓𭁹𫁥👒𚁺𙑨𚡡𛁡𛁺🱡𞡱𛁨🰮𜰺𜐩𛁦𪑬𫀨𨑲𨰨𬐪𨐬𞐳𜀬𘑨🀼𞐬𜀬𞐩𚐬𩡩𫁬𤡥𨱴𚁺🱡𛐮𝰪𪀪𤰨𬠪𨐩𞠴𚡨𛁺🱡𚱲𚠴𝀺𝐰𜀫𠰨𭀫𬐥𝀩𚡓𚁱𙐴𚱨𛰳𜰩𚠳𜰬𮠿𨐺𝀬𪀩𚑨👱🠾𜠻`.replace(/u../g,'')))

Jan 28 2020 8:50 AM UTC

}// 140/140

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Castle Ruins By The Sea #castle

u/katkip

Awesome!

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rodrigo.siqueira

remix of d/27130 by u/taupelink

function u(t) {

for(i=1e4;i--;x.fillRect(60*X,60*Y,k=f&1,t<7))
X=i/356+2,Y=C(i*t)*8+9,f=(Y/3%(X%4+1|2)-2)-3/T(i*t+6)+(X/2%(Y%5|2)-2)**2+X

Mar 1 2023 2:50 PM UTC

}// 121/140

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Subtractive fragmentation

u/taupelink

Whoa

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taupelink

remix of d/29092 by u/taupelink

function u(t) {

p=Math.PI;for(i=189;i--&&t<.3;x.fill(x.stroke()))x.beginPath(x.fillStyle=R(j=i+48,i,i,j**-.2)),x.arc(i%9*240,i%7*240,j*t**t,r=i*p*2/3,r+p-t)

Dec 11 2023 4:22 AM UTC

}// 140/140

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d/29094

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jarkkolaine

function u(t) {

c.width=1920;for(i=0;i<50;i++){x.fillRect(-400+i*80+500*S(t),10,50,150+100*S((2*i)*t));}

Jan 5 2018 11:44 AM UTC

}// 88/140

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First experiment :)

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Xen

remix of d/3169 by u/cantelope

function u(t) {

with(x)for(Z=99,i=2e3;i--;fillStyle=`hsl(${i-S(i/Z*C(t))*Z},99%,50%`)fillRect(i,(i%13*Z+t*Z*4)%1080,Z,6)

Sep 17 2017 6:31 PM UTC

}// 104/140

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