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.

Try the new frontend: beta.dwitter.net
Current theme challenge: #Food

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Xen

remix of d/28608 by u/384.cz

function u(t) {

for(c.width|=i=6,x.font="9cm'";i--;)x.fillText("📱",99+i*250+S(t)*99,580)

Oct 6 2023 4:04 PM UTC

}// 72/140

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slight play

u/danny@hille.dk

love it! why not make it a "snake default" for(c.width|=j=40;j--;)for(i=9,x.font="6cm'";i--;)x.fillText("📱",i*210+S(t*3-j/6)*99,580+j*16)

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rodrigo.siqueira

remix of d/17550 by u/jylikangas

function u(t) {

for(k=99,c.width=i=-8;++i<7;R=a=>x.lineTo(k+a*k/(z=j-t*5%1),k+(k*S(j+t*5&a|9)-a**4)/z))for(j=k;x.beginPath(x.stroke()),R(i),--j;R(i+1))R(i)

Feb 10 2020 7:20 PM UTC

}// 139/140

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Simplified version of u/jylikangas' grid mountains (landscape valley) #uncompressed #d3 #wireframe

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dnmc

function u(t) {

if(!window.p)p=0;
p=++p%150;
c.width=1920
for(q=0;q<192;q++)
for(w=0;w<108;w++)
if((q&w)%p==0){x.fillRect(q*10,w*10,10,10)}

Nov 15 2020 8:39 PM UTC

}// 124/140

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Sierpinski

u/tomxor

Sierpinski rain! :P

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pavel

function u(t) {

!t||X>500?c.width|=X=0:0
f=(T,m)=>(T>0&T<1)*T*S(T*m)
r=X/20
x.lineTo(5*X++,99*(6-f(r-6,3)-5*f(r/2-4,x.lineWidth=9.6)-f(r-11,3)))
x.stroke()

Nov 7 2018 7:45 PM UTC

}// 139/140

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u/joeytwiddle

#pulse #heartbeat

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Sven

function u(t) {

M=Math.random;G=(c)=>M()*c;H=c.height,W=c.width,n=80,o=n*3;x.fillStyle=R(G(o),G(o),G(o),1);for(i=0;i<n;i++){x.fillRect(G(W),G(H),G(n),G(n))}

Dec 27 2017 10:57 AM UTC

}// 140/140

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My first one! 😎

u/maniflames

😏

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katkip

function u(t) {

for(c.width^=0,x.fillStyle='#000',i=13e4;X=i%480,Y=i/480,i--;)(V=C(t)*S(X/7)*S(Y/6)+S(t)*S(X/6)*S(Y/7))*V<.002&&x.fillRect(X*4,Y*4,9,9)

Jul 2 2026 4:58 PM UTC

}// 135/140

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Chladni plates https://www.shadertoy.com/view/clV3WK

u/katkip

i just realized i forgot "x.fillStyle='#000'" there

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taupelink

remix of d/29531 by u/taupelink

function u(t) {

f=(u,n=3)=>(n?f(u,n-1)-2**n:u%8-4)**2/2;g=n=>!(f(X/n)+f(Y*n/12)&147);for(i=1e4;i--;x.fillRect(480+10*X,60+10*Y,g(4),g(3)))X=i*t%96,Y=X*i%96

Mar 1 2024 2:03 AM UTC

}// 139/140

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d/29588

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rodrigo.siqueira

remix of d/28549 by u/rodrigo.siqueira

function u(t) {

c.style='filter:invert('
for(a=b=0,i=4e4;i--;a+=(i*t/b&1)/6+b*S(a*3)/8,b+=C(a*5.6)-a*b/8)x.fillRect(a*2830-2190,b*365-1420,.1,t<1)

Sep 25 2023 2:41 PM UTC

}// 130/140

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Unknown web formation

u/magna

wow!
u/cantelope

the numeric universe you've broken into looks scary and i think you should come back
u/rodrigo.siqueira

I think we should understand it better to go deeper.
u/rodrigo.siqueira

#cobweb

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MarcelaAmorim

function u(t) {

c.width|=X=Y=Z=6
for(i=2e3;i--;)
X+=.1*(Y-X),
Y+=.01*(X*(29-Z)-Y),
Z+=.01*(X*Y-1.6*Z),
x.fillRect(960+X*30+Y*C(t*8)*6,1150-Z*23,3,6)

Apr 18 2025 2:34 AM UTC

}// 134/140

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meowmixjw

function u(t) {

for(var i=5*t/2;i>2;i--){
x.fillRect(960-5*S(t/i*T(t/10))*100,i*500/t,5*S(t/i*T(t/10))*200,i*200/t)
var y=i%2*255
x.fillStyle=R(y,y,y)
}

Aug 20 2018 7:42 AM UTC

}// 136/140

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Dwitter seems cool, heres something I made to try it out

u/BirdsTweetCodersDweet

for(i=5*t/2;i>2;i--)x.fillRect(960-5*S(t/i*T(t/10))*100,i*500/t,5*S(t/i*T(t/10))*200,i*200/t),y=i%2*255,x.fillStyle=R(y,y,y) - shorter
u/meowmixjw

Its in no way fully minimized, lol. Just shrunk it to fit within 140.