Dweets awesomed by u/monstrousmoonshine

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: #Opposites

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hoplite

function u(t) {

x.fillRect(0,0,i=w=c.width=2e3,w);x.fillStyle="#fff";for(;i--;)T=t*99,z=w*99/(i-T%1),a=i+T-T%1,x.fillRect(C(a*a)*z+1e3,C(a*w)*z+500,w/i,w/i)

Jan 1 2018 11:14 PM UTC

}// 140/140

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u/eyalcohen4

Starwarsy
u/iverjo

#stars
u/zbstof

Reminds me of Windows 3.11 #screensaver - Starfield

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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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Show more comments…
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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Pjaerr

function u(t) {

c.style.background=R();x.fillStyle=R(...[S,C,T].map(_=>127*(_(t)+1)));a=137.5*frame;r=8*frame**.5;x.fillRect(r*C(a)+960,r*S(a)+540,8,8)

Dec 30 2017 7:50 PM UTC

}// 135/140

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A little bit of Phyllotaxis. http://algorithmicbotany.org/papers/abop/abo…

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u/Pjaerr

btw, changing the angle a from 137.5 to 137.3 or 137.6 produce different, albeit nice, patterns.
u/Bendoman

Second best thing on here by far.
u/dubistdu

WOW
u/trupples

Also.. shouldn't it be 137.5 * pi / 180 ~~ 2.39982772149 as the trigonometric functions take in radians?
u/trupples

137.5 also kind of "isolates" the spirals after a short while while 2.4 does not
u/Pjaerr

Yeah, that'll be it actually. I still thought it looked decent!
u/DiamondDrake

I was just working on a Phyllotaxis dweet, though i was trying to use ellipse that just needs way too many characters
u/@no_identd

Although the point about radians is fully correct, I'd like to point out that the most accurate IEEE single float approximation of this angle in degrees is 137.50777 (which internally becomes 137.5077667236328125)
u/lionleaf

#spiral #flower #plant #botany
u/fujimotos

This is amazingly beautiful.

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New_Core

function u(t) {

for(x.fillRect(0,0,i=b=2e3,q=1080-t);i--;x.fillRect(a*i%b+a/3*S(t*i/a/3),(i/5*t+i*50)%b%q,5,5))x.fillStyle=R(a=i*9%255,a,a)

Dec 24 2017 12:12 PM UTC

}// 123/140

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Let it snow, let it snow, let it snow....

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u/Xen

Perfect :-)
u/donbright

brilliant
u/donbright

brilliant
u/donbright

brilliant
u/ballotcan

http://i.prntscr.com/_aJutdekROaWdQKYy75nTw.… if you wonder the end
u/iverjo

Cool! Much better than my snow dweet ^^ https://www.dwitter.net/d/338
u/sigveseb

gotta love how the snow accumulates!
u/alien

no way... the snow is accumulating...
u/darrencearnaigh

Lovely seasonal golf.
u/snydej

Wow! This is excellent!
u/iverjo

#snow
u/vain

excellent snowflakes movements

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kchplr

function u(t) {

for(c.width^=0,i=1296;i--;X=i%48,Y=i/48|0,d=1-((X-24)*(X-24)+(Y-13)*(Y-13))/300,s=(200*S(t*C(d))*d*d)%45,x.fillRect(X*40-s/2,Y*40-s/2,s,s));

Feb 26 2017 3:48 PM UTC

}// 140/140

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u/sigveseb

I like this!
u/Kalanchoe

Somewhat reminds me of Halite: halite.io
u/iverjo

Nice technique!
u/KHymatim

Mmmmm

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