Dweets awesomed by u/kchplr

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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Xen

function u(t) {

for(Z=i=32;i--;x.fill(x.arc(960,540,Z+i*Z-C(i*t/9)*Z,i+t*2,i+t*2+2)),x.stroke())x.beginPath(x.fillStyle=`hsla(${i*Z^t*99},90%,50%,.01)`)

Jul 31 2018 9:43 PM UTC

}// 136/140

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u/DataMeta

Amaaazing style!
u/joeytwiddle

Beautiful! #colors #spiral
u/magna

#toon
u/magna

THIS IS CRAZY!
u/fujimotos

This color tone is so awesome. Reminds me metallic oil.
u/sigveseb

Holy shit so nice :)
u/iverjo

Yes!
u/lionleaf

Beautiful!
u/joeytwiddle

#oil
u/Joachim

#art

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p01

function u(t) {

for(c.width=n=128;n-=r=i=1/64;x.fillRect(n%2*64,n/2,k/32,1))for(Y=1-n*i,X=n%2-1,k=32;--k/r;i=j)j=2*r*i+X*S(t)-Y*C(t),r=r*r-i*i+Y*S(t)+X*C(t)

Jan 3 2018 9:41 PM UTC

}// 140/140

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Spinning Mandelbrot set

u/magna

We're going to need a bigger CPU.
u/iverjo

Nice effect! 22 FPS on my machine, in Firefox. Surprisingly, it runs much slower in Chrome and Edge (4 FPS)
u/sigveseb

Screeching by at 4FPS on my machine too :D nice mandelbrot though
u/donbright

feel like standing up and applauding. unbelievable.
u/rodrigo.siqueira

#mandelbrot #fractal

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hoplite

function u(t) {

i=c.width=96;for(;i--;)for(k=54;k--;)A=t=>(S(i/9+t)*S(k/7)+S(k/9+t)*S(i/7-t))*255,x.fillStyle=R(A(t),A(t+.2),A(t+.4)),x.fillRect(i,k,1,1)

Jan 2 2018 10:57 PM UTC

}// 137/140

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u/Xen

very nice style
u/sigveseb

Quite excellent, very nice
u/joeytwiddle

Lush
u/magna

Wow! Nice!
u/crimbles

That's so nice
u/Chipnstein

Woah... new dosktop background
u/codeslaw

Yes
u/joeytwiddle

#plasma #metaballs #color
u/vain

nice plasma like fx

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rikardlindstrom

function u(t) {

t||x.translate(980,540)
c.style.background=R(x.fillStyle='#fff',++t<4&&x.drawImage(c,~x.fillText(0,~x.scale(s=1+C(t)/20,s),0),~x.rotate(t)))

Dec 31 2017 7:03 AM UTC

}// 140/140

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u/Flopster

Wow! Too bad it doesn't reset, but this looks incredible!
u/rikardlindstrom

Thanks! All I could fit in 140 characters. Happy to hear suggestions how to squeeze it further though!
u/magna

Amazing!
u/iverjo

Kudos
u/sigveseb

So pretty!
u/tqdwqwd

qwd
u/meesh

Wow!
u/iverjo

#galaxy
u/lionleaf

#space #stars

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kchplr

remix of d/4751 by u/kchplr

function u(t) {

x.strokeRect(0,0,W=1912,H=1072)
x.rotate(C(t*26)/2977)
x.drawImage(c,4.6,4,W,H-2)
x.strokeStyle=`hsl(${50+t*9},70%,${52-C(t/2)*45}%)`

Dec 30 2017 6:15 PM UTC

}// 133/140

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u/joeytwiddle

#tunnel #colors
u/joeytwiddle

#hiddengem #waitforit
u/joeytwiddle

Rich colours in Chrome but not in Firefox

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kchplr

remix of d/4834 by u/kchplr

function u(t) {

c.width|=0;for(i=5e3;i--;T=t+i/300,R=(f,m)=>f(T)*300+f(T*8)*110*m+f(T*12.5)*107*m)x.fillRect(930+R(C,1),530+R(S,R(C,-10)/t**7-1),4,4)

Dec 30 2017 12:47 PM UTC

}// 133/140

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kchplr

function u(t) {

for(w=i=930;i--;T=t+i,G=1+S(t)/25,R=(f,m)=>f(T)*250+f(T*4.25)*200*m,x.fillRect(w+R(C,1)*G,530+R(S,-1)*G*.9,4,4))x.fillRect(1e3+T,w+T*7,28,9)

Dec 30 2017 11:20 AM UTC

}// 140/140

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u/sigveseb

Nice one

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kchplr

remix of d/4737 by u/kchplr

function u(t) {

x.strokeRect(0,0,W=1912,H=1072)
x.rotate(C(t*610)/1200)
x.drawImage(c,7,4,W,H-2)
x.strokeStyle=`hsl(${50+t},70%,${52-C(t)*45-C(t/9)*5}%)`

Dec 29 2017 10:20 PM UTC

}// 137/140

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kchplr

remix of d/4723 by u/Xen

function u(t) {

x.strokeRect(0,0,W=1912,H=1072)
x.rotate(C(t*610)/4031)
x.drawImage(c,7,4,W,H-2)
x.strokeStyle=`hsl(50,89%,${52-C(t)*50}%)`

Dec 29 2017 9:40 PM UTC

}// 123/140

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Shopping for magic numbers !

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CliffJonesJr

remix of d/4716 by u/CliffJonesJr

function u(t) {

//REMIX!!!
for(i=0;i++<48;){a=Math.round(t*8+i)%3
x.font=(40+i*3)+'px A'
x.fillText(a?a>1?'🌎':'🌏':'🌍',860+22*i*C(b=t*i/8),600+22*i*S(b))}

Dec 29 2017 9:13 PM UTC

}// 137/140

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Multiverse!

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