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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KilledByAPixel

remix of d/11631 by u/metamero

function u(t) {

c.before('╲╱'[t**3.7&1]+' ')

Jun 8 2025 3:09 PM UTC

}// 28/140

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Tiny #Maze 🐀

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taupelink

function u(t) {

for(i=1e3,d=e=0;i--;x.fillRect(d*960,e*1080,1,1))[d,e]=[d+((r=Math.random()*3|0)-d+e*S(d*6.3))/2,e+(1-r%2-e)/2],x.fillStyle=R(!r*255,0,r*99)

Aug 16 2019 3:31 AM UTC

}// 140/140

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Nonlinear with a trig function, with simultaneous coordinate updating like I "ought" to have been doing all along 👀

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vinvol

function u(t) {

x.drawImage(c, 0, -10)
for(i=0;i<14;i++) {
 x.fillStyle=`hsla(${t*10*i},80%,50%, 0.5)`
 x.fillRect(400+i*100+S(t)*300,800,50,8)
}

May 10 2019 9:09 PM UTC

}// 130/140

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ThirdEstate

function u(t) {

c.width=1920;x.fillRect(0,0,1e4,1e4);for(i=0;i<9e2;i++){x.fillStyle=R(200+90*S(i),0,90);x.fillRect(640+T(t+i)*3e2,540+S(i)*540,5.5e2,12)};

Dec 27 2017 8:39 PM UTC

}// 140/140

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rodrigo.siqueira

remix of d/33673 by u/rodrigo.siqueira

function u(t) {

c.style.filter=`invert(`
for(i=3e4;i--;x.fillRect(960+X/Z,540-Y/Z,.1,t<2))r=S(w=i*i/t)/C(w),X=S(k=i/2+r**-.4)*700,Y=C(k)*700,Z=C(S(i))*4-1/r

Apr 30 2025 6:00 PM UTC

}// 140/140

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4-fold inner spiral

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xyper

remix of d/26288 by u/384.cz

function u(t) {

c.style="filter:invert("
c.width=999
for(i=190;i--;)x.fillStyle=R(i,i*2,255),x.fillRect(199+S(i+t)*i,199+C(i+t)*i,i,i)

Nov 17 2023 4:36 PM UTC

}// 118/140

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inverted

u/xyper

just realised i got it the wrong way around but whatever

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tem

function u(t) {

for(i=c.width|=2e3;i--;c.style.filter=`invert(`)x.fillRect(1e3+(j=t+i)*T(t+(j/1.2))/2,540+j*C(j)/2,s=i/69,s)

Oct 22 2024 11:58 AM UTC

}// 108/140

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u/vain

Looks very cool. Even a small depth effect:
u/vain

Would be look cool, if you you are using darker grey colors yet smaller (more depth) the rects are shown. I really like the fx. Nice work man!
u/tem

u/vain I can't cintro
u/tem

u/vain I can't control the color much,it already get inverted(ignore first replie)
u/vain

https://www.dwitter.net/d/32650
u/vain

Ups... sorry, this is the correct link... https://www.dwitter.net/d/32652

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yokljo

function u(t) {

c.width=1920
x.fillRect(0,0,1e4,1e4)
for(i=1;i<230;i++)x.clearRect(S(t+i*50)*i+970,(o=C(t+i))*.02*i+535+C(750/i+S(t)*.3)*470,o*8,6)

Oct 12 2018 12:28 PM UTC

}// 131/140

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u/magna

Sweet!
u/arxpoetica

Awesome

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Kash

function u(t) {

c.width=1920;a=t%13
for(i=0;i<500;i++)
x.fillRect(960+i*C(10*i/a)*C(a),540+i*S(10*i/a)*C(a),10,10)

Jun 24 2019 3:32 PM UTC

}// 99/140

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My first dweet

u/Xen

nicely done, check 'about' join the discord chat ;-)

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petmehorse

function u(t) {

c.width=1920;
for(a=0;a<9;a++)
  x.fillStyle=R(a+10, a+50, a, a)
  for(i=0;i<9;i++)
  x.fillRect(400+i*100+S(t)*300, 400, 50, 200)

Dec 28 2017 8:42 PM UTC

}// 131/140

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