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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ciaccodavide

remix of d/23915 by u/ciaccodavide

function u(t) {

for(w=960,h=540,i=3e4;i--;)
r=Math.random,
X=r()*C(t+w*t*r()),
Y=r()*S(t+h*t*r()),
x.fillRect(w+w*X,h+h*Y,.01*X/Y,t<99)

Sep 24 2021 7:52 AM UTC

}// 119/140

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singularity

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paberr

function u(t) {

c.width=200;k=9;s="d/1055/like";x.fillText("proof of concept "+s,k+S(t)*k,k); i=new Image();if(t==0)i.src='https://www.dwitter.net/'+s;

Feb 23 2017 7:36 PM UTC

}// 135/140

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u/Kalanchoe

oh, this is sneaky :)
u/lionleaf

Oh, oops. Didn't work on android chrome, if it works elsewhere I'll fix it. Thanks!

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heresARealHighClassBout

remix of d/29409 by u/skeletonNatte

function u(t) {

n=250
for(c.width+=i=0;i<3e3;i++,[X,Y,Z]=[1,2,3].map(a=>C((i+t/1e8)**a)*n),p=C(t/2),x.fillRect(X*p-Y*q+960,(X*q+Y*p)/5+Z+540,7,7))q=S(t/2)

Feb 16 2024 3:30 PM UTC

}// 138/140

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robbyg

remix of d/7367 by u/robbyg

function u(t) {

r=Math.random
t||(A=[...Array(99)].map(a=>[r()*2e3,r()*2e3,r()*7]))
A.map(a=>x.fillRect(a[0]+=C(z=a[2]+=r()-.5)*2,a[1]+=S(z)*2,3,3))

May 21 2019 2:15 AM UTC

}// 132/140

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I don't really know where I'm going with these #walkers yet.

u/donbright

love it
u/magna

Golfed a bit and added variable walker size: d/14069
u/joeytwiddle

I don't think they know where they are going either!

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anotherkitten

function u(t) {

for(j=80;j--;)for(i=0,k=0;i<59;i++)
x.fillStyle=`hsl(${-i},80%,${26+i*2}%)`,x.fillRect(k,j*14,99,40),k+=35+9*S(i*(1+S(t/-5)/2)+j/12+t)**2*7

Oct 11 2021 2:55 AM UTC

}// 139/140

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waves of rose

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KilledByAPixel

function u(t) {

t?0:(X=699,Y=500,W=20,V=A=[])
for(i=99;--i;x.fillRect(X-=V,Y-=W,20,20))Q=V,V=W,W=-Q,x.fillStyle=(A[q=X+Y*99]=!A[q])?"#000":(V=-V,W=-W,"red")

Jun 3 2019 6:42 PM UTC

}// 140/140

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Langton's Ant

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u/Xen

yo!
u/KilledByAPixel

https://youtu.be/NWBToaXK5T0 - Numberphile video on Langton's Ant
u/KilledByAPixel

#cellular #automata
u/KilledByAPixel

#ant
u/KilledByAPixel

#Automaton
u/KilledByAPixel

#Langton

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wtbartos

function u(t) {

c.width=1920 
for(i=0;i<100;i++){
x.fillRect(400*S(t/2*i)*-1+800,i*100+S(t)*400,300,20)
x.fillRect(400*S(t/2*i)+800,i*100+S(t)*400,300,20)}

Jan 14 2018 10:26 PM UTC

}// 139/140

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snail

function u(t) {

x.transform(540,0,0,540,(c.width=1920)/2,540);
for(i=-t,n=20;n--;i+=t/8)
x.lineTo(C(i), S(i));
x.fill("evenodd");

Dec 26 2017 10:19 PM UTC

}// 113/140

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u/sigveseb

starts of basic then gets pretty cool
u/lionleaf

It gets cooler and cooler the longer you wait!
u/vain

i love it

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bandaloo

remix of d/18919 by u/bandaloo

function u(t) {

i=~~(t*9);x.font="96px'";x.fillStyle=`hsl(${C(t)*30},40%,80%`;x.fillText(T(i)&1?'╱':'╲',(i%20)*96,~~(i/20)*96);x.drawImage(c,C(t)/t,0)

May 23 2020 12:48 AM UTC

}// 134/140

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sunset maze with blur gradient

u/Xen

nice colors!

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New_Core

function u(t) {

x.fillStyle=R(b=2e3,b,b,0.1);x.fillRect(0,0,b,b);x.beginPath();for(i=b;i--;)x.lineTo(i/2*C(t)+i*S(g=t+i)+960,i/4*S(t)+i*C(g)+540);x.stroke()

Aug 21 2016 3:10 PM UTC

}// 140/140

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Show more comments…
u/iverjo

Dat tunl!
u/New_Core

maybe its a spinning chinese hat from top
u/iverjo

You're right, I can trick my brain into beliving that. Funky! It's like one of those illutions where you see different things based on how you look at it/think of it
u/iverjo

*believing
u/iverjo

Dwitter really needs an "edit comment" feature :P
u/lionleaf

Wow!!
u/giel

Nice!
u/lionleaf

#rotation #hat #in_or_out #lighting
u/joeytwiddle

#shiny
u/vain

Wow! Very nice!