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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rodrigo.siqueira

remix of d/33881 by u/rodrigo.siqueira

function u(t) {

c.style.filter=`invert(`
for(i=2e4;i--;x.fillRect(960+4*C(k=i/5)/Z,S(k)/Z+710,.1+.05/t,t<2))
Z=S(i/5)/700/C(S(n=i/t)*T(i*4)%1.57)-1/S(n)/3e3

May 30 2025 6:10 PM UTC

}// 140/140

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Through the Void

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taupelink

remix of d/23688 by u/taupelink

function u(t) {

for(i=q=k=720;--i;x.fillRect(k*X,720+q*Y,q/Y/v,-i/v))f=i*t,X=f*f%3,Y=X*f%4-2,x.fillStyle=R(q*=q%2+Y,q*=X/2/t**.5,q-=i*S(q/X+Y),k/q/q),v=2**t

Sep 5 2021 7:00 PM UTC

}// 140/140

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d/23760

u/magna

Wow!

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katkip

remix of d/6032 by u/Talesseed

function u(t) {

a=t*60%60;for(n=z=w=0;n++<25&z*z+w*w<4;[z,w]=[z*z-w*w+a/20-2,z*z*w+~~t/20-1])x.fillStyle=`hsl(${n*n},99%,50%)`,x.fillRect(a*32,~~t*27,32,27)

Sep 23 2018 1:18 PM UTC

}// 140/140

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Cursorbrot #fractal

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rodrigo.siqueira

remix of d/28519 by u/rodrigo.siqueira

function u(t) {

c.style='filter:invert('
for(a=b=0,K=i=1e4;i--;a+=(r=i*t/b&1)/5-b*S(a*4.7+r*2)/10-a*a/4,b-=C(a*5)+a*b/8)x.fillRect(K-a*K,b*2e3-4e3,.1,t<6)

Sep 19 2023 1:48 PM UTC

}// 138/140

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Microscopic spikes

u/jellyedwards

These are all amazing! Looks like something from an scanning electron microscope

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DonKarlssonSan

function u(t) {

c.width=1920
for(X=0;X<1920;X++) {
  for(y=0;y<70;y++) {
    x.fillStyle=R((S((X+y*3+t)/50)+1)*127,t,0,1)
    x.fillRect(X,y+500,1,1) 
  }
}

Jan 12 2021 6:00 PM UTC

}// 140/140

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Candy Cane

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rodrigo.siqueira

remix of d/26429 by u/rodrigo.siqueira

function u(t) {

for(m=9e3;m--;x.fill(x.stroke()))x.beginPath(x.fillStyle=R(m,i=m%89,i,.1)),x.arc(i%5*390+i*C(m)+180,m%5*i*4+i*S(m),i*S(m%9*m)**8/6/t,m,1/t)

Nov 2 2022 5:10 PM UTC

}// 139/140

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u/tomxor

#texture

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ijbd

function u(t) {

with(x)font='200px monospace',fillStyle=R(125+124*C(t),125+125*S(t),125+C(t-4)),fillText('happy birthday!',(134*t)%4000-2000,(255*t)%1200)

May 8 2020 12:57 AM UTC

}// 140/140

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A beginner's birthday dweet!

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@no_identd

remix of d/6331 by u/Xen

function u(t) {

v=23
for(l=499;l--;)d=(l*t/9)%v*v,x.fillStyle=`hsl(${t*l-l+d},99%,65%)`,x.fillRect(960+S(r=S(t-d/126.869896)+l*1.3324789)*d,540+C(r)*d,v,v)

Jan 22 2018 6:22 PM UTC

}// 139/140

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There's no sense in using those numbers there in that way. But I tried it anyway and damn.

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trancor

function u(t) {

c.width=this.innerWidth;q=v=>x.lineTo(...v)
t?c.onmousemove=e=>p.push([e.x,e.y]):p=[]
p.map((l,i)=>{q(l);q(p[i-5]||l)});p.shift();x.stroke()

Apr 27 2018 11:39 PM UTC

}// 140/140

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u/joeytwiddle

Fun! #interactive
u/trancor

There's a difference between Chrome/Firefox on both linux and windows. This should be seen as a lingering webbing line. Investigating...
u/trancor

Didn't investigate yet. What it should look like- http://metal-asylum.net/show/dwitterWebLine.…

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rafroller

remix of d/18779 by u/rafroller

function u(t) {

u=t/4;
c.style.filter='invert()';for(i=0;i<10;){for(j=0;j<6;)x.fillRect(60*C(u*j)+211*i-99,60*S(u*i)+212*j-99,2,2),j++;i++}

May 14 2020 3:05 PM UTC

}// 123/140

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I've been wanting to do this for a while :) #lissajous #curve - fullscreen version