Dweets awesomed by u/docravendark

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: #ScaryMovies

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KilledByAPixel

function u(t) {

for(t*=60,i=3e3;i--;x.fillRect(i-t,t,1,-9-h))h=(X=i>>7)%4&&(Y=t>>6)%4&&C(X*X|Y)**6*265,x.fillStyle=R(v=h?i%32<29?t%16<13?99:255:40:9,v,v^h)

May 1 2024 1:54 AM UTC

}// 139/140

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Building Blocks 🏢

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rodrigo.siqueira

function u(t) {

c.style.background=`#038`
for(c.width=i=1920;i--;x.fillRect(960+k*S(i/200-t/2),240+C(t+i/99)*99+k/9,5,k))x.fillStyle=R(S(t)*i/5,i/9,k=i/3)

Apr 30 2024 12:39 PM UTC

}// 138/140

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Color ribbon

u/Xen

shexy!
u/lewdev

Reminds me of the Windows 11 background.
u/TGY

#windows11

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rodrigo.siqueira

remix of d/31658 by u/rodrigo.siqueira

function u(t) {

x.save(c.style='filter:sepia()invert()')
x.globalAlpha=.1
x.translate(t*88-240,760)
x.rotate(-t/5)
x.fillRect(200,0,9,2500)
x.restore()

Apr 25 2024 11:27 AM UTC

}// 135/140

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Blue flame (it takes 25 seconds to complete) #light

u/cantelope

#slowdraw

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aaaaaz

remix of d/29767 by u/aaaaaz

function u(t) {

c.style.filter=`blur(5px)contrast(680%)`;d=Math.random
for(i=0;i<2e3;i++){x.fillRect(d()*2e3,d()*2e3,4,4);x.fillStyle=i%2?'#F6e':'#000'}

Apr 13 2024 4:39 PM UTC

}// 138/140

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Reticulation

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docravendark

remix of d/29599 by u/Ponali

function u(t) {

a=x.createImageData(c.width=d=90,c.height=e=54)
for(b in z=a.data)z[b]=b%4<1?S(b/4%d+S(b/16+t*16))*255:255
x.putImageData(a,0,0)

Apr 5 2024 2:28 PM UTC

}// 128/140

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u/Xen

sexy pattern!
u/_louis

swimming pool!

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baon

remix of d/29731 by u/baon

function u(t) {

x.reset();x.translate(960,540)
for(Y=p=i=200;i--;x.rotate(a),x.fillRect(0,p+Y/5,5,Y))
a=6.28/p,Y=S(a*i*7-t)*50+S(a*i*9+t+S(i))*50+100

Apr 3 2024 2:00 PM UTC

}// 133/140

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musik :]

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docravendark

function u(t) {

i=(t%12)>>1
c.width=200
S=(T)=>x.scale(5,5)&x.strokeText(T,15,15)
i<1?S("😐"):(i<2)?S("😦"):(i<3)?S("😩"):(i<4)?S("🤧"):S("🙂")

Mar 29 2024 8:35 AM UTC

}// 122/140

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bless ya

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New_Core

remix of d/29690 by u/Joaozin003

function u(t) {

for(a=i=50;i--;x.fillRect(-96,-54,192,108))q=i/3,x.fillStyle=R(i*5),x.setTransform(q*C(b=S(i/9-t)),q*S(b),-q*S(b),q*C(b),960,540)

Mar 28 2024 12:03 PM UTC

}// 129/140

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docravendark

function u(t) {

with(x)for(i=0;i<190*t;)fillStyle=R(i,i),rotate(!i*C(t-=.005)+!(i++%4) * S(t*.1)/1.2),fillRect(4*i,4*i,32,32)

Mar 27 2024 4:27 PM UTC

}// 109/140

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here comes the sun

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robbyg

remix of d/29683 by u/lonestar108

function u(t) {

for(i=1e4;i--;x.fillStyle=`hsl(${i/5+t*9},70%,50%)`)x.fillRect(960+i/20*S(i/50+5*t)+S(i/99)*i/9,540+i/20*C(i/50+3*t)+C(i/77)*i/8,3,3)

Mar 25 2024 4:15 AM UTC

}// 133/140

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Golfed. Feels like an early Windows screen saver.

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