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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hypothete

function u(t) {

Q=t*t;U=S(t);V=C(t);x.fillRect(960+U*Q,540+V*Q,10,10);

Mar 9 2017 6:57 PM UTC

}// 54/140

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jennie

function u(t) {

c.width=1920
for(i=0;i<48;i++)
x.fillRect(940*(C(t+i/15)+1),520*(S(t+i/5)+1),40,40)

Jun 19 2023 5:56 AM UTC

}// 83/140

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Xen

function u(t) {

for(i=199;i--;)x.fillRect(1e3+C(i+t/2)*t*9,540+S(i-t/2)*t*6,1,1)

Oct 28 2018 8:03 PM UTC

}// 64/140

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64byte dwitter art: Dark Tunnel

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username

remix of d/13648 by u/username

function u(t) {

if(t)return
c.outerHTML=`<textarea id=z>`
$=`Hi :) Please stop when you see NOW!`
z.oninput=o=>{_=z.value.slice(0,-1)
z.value=_+$[_.length]}

May 6 2019 5:20 PM UTC

}// 140/140

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press a key to reveal next char

u/username

btw, you can edit the string to anything else in the code to flex with how fast you can type :)
u/Undefined

if(!t){c.outerHTML=`<textarea id=z>` $=`See how fast you can type!` z.oninput=o=>{_=z.value.slice(0,-1) z.value=_+($[_.length]||'')}} - a bit better :D
u/Undefined

if(!t)c.outerHTML=`<textarea id=z>`,$=`See how fast you can type!`,z.oninput=o=>{_=z.value.slice(0,-1),z.value=_+($[_.length]||'')} - 131, or 140 with your text

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New_Core

function u(t) {

frame%2>0?x.drawImage(c,0,-70):0
for(i=80;i--;x.fillRect(0,1e3,2e3,i))x.fillStyle=`hsl(${i+t*20},99%,${50*S(t*3+i/30)}%)`

Oct 31 2017 9:43 PM UTC

}// 122/140

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u/joeytwiddle

Similar feeling to https://www.dwitter.net/d/1835 but shinier :)

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iverjo

function u(t) {

for(i=2e3;i--;)x.fillStyle=R(a=255*!i,a,a,i/3e5),x.fillRect(!a*(956+968*S(i+t)),!a*(535+540*C(i/42)),c=9+8*a,c)

Jul 29 2016 4:19 PM UTC

}// 111/140

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Let's call this one "60s CRT TV". Wait around 20 seconds to let the effect converge.

u/iverjo

Featuring vignette and scanlines/pixelated grid
u/iverjo

#texture
u/iverjo

#waitforit

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NMcCoy

function u(t) {

c.width=1920;
  for(i=0;i<9;i++)
{
  x.fillStyle=`hsl(${t*99+i*20},99%,80%`
  x.fillRect(400+i*100+S(t)*300, 400+S(t+i)*60, 50, 200)
}

Apr 14 2017 8:02 PM UTC

}// 134/140

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u/f8f82804

#default

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anotherkitten

function u(t) {

x.fill(p = new Path2D(),p.arc(960,540,270,0,8))

Sep 16 2020 3:02 PM UTC

}// 47/140

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Comment with something for me to add to this, will remix with one suggestion per iteration (until its too complex to continue)

u/danny@hille.dk

a tail
u/anotherkitten

tail added! d/19979

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cagr30

function u(t) {

(F=Z=>{for(x.fillStyle=R(W=1/Z*4e3,W/2,W/4),i=Z*Z*2;n=i%Z,m=i/Z|1,i--;n%2^m%1&&x.fillRect((n-t%8-9)*W,(S(t)+m-1)*W,W,W));Z&&F(Z-6)})(36)

Aug 1 2017 3:56 PM UTC

}// 137/140

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donbright

remix of d/2495 by u/joeytwiddle

function u(t) {

t?s=2e3/c.clientWidth:(a=b=B=A=1,k=j=2)
K=k-a
J=j-b
Q=K**2+J**2
x.fillRect(a+=A+=K/Q,b+=B+=J/Q,9,9)
onmousemove=e=>(k=e.pageX*s,j=e.pageY*s)

Apr 15 2017 10:43 PM UTC

}// 140/140

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mouse = gravitational body (explanation https://www.patreon.com/posts/simulating-in-… )

u/joeytwiddle

Nice :) For a few spare bytes, you could place the body with onclick
u/gabrielsroka

#interactive
u/donbright

#physics