Dweets awesomed by u/AnnanFay

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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prplz

remix of d/4740 by u/E-Mouse

function u(t) {

with(x)for(c.width|=q=255;q--;)fillStyle=R(q,q,q),beginPath(),arc(960+(z=400-q)*C(q+t),540+S(z)*z,40,0,7),fill()

Mar 4 2018 10:53 AM UTC

}// 112/140

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u/M1T0

This one looks really nice

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AnnanFay

remix of d/7082 by u/yonatan

function u(t) {

x.drawImage(c,t&3?0:960,t&1?0:540,960,540)
x.drawImage(I,480,270,960,540)
};{(I=new Image).src='//具.pw'

Mar 2 2018 12:49 AM UTC

}// 103/140

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!h6q: please link https://picsum.photos/1920/1080?random

u/AnnanFay

Change t&3 to t&4 if you want it to branch in all directions.
u/AnnanFay

*t&2

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dwardu

function u(t) {

r=n=>(Math.random()*n|0)*96
x.drawImage(c,r(19),r(10),192,192,r(20),r(11),w=96,w)
x.fillStyle=R(z=r(2)**2,z,z)
x.fillRect(r(20*9),r(11),w,w)

Mar 1 2018 8:03 PM UTC

}// 140/140

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Splits 1920px×1056px canvas into 20×11 grid of 96px×96px tiles. Once every 9 frames fills a random tile black or white. Every frame picks a random 2×2 group of tiles and draws it onto a random 1×1 tile at ½ the size.

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Agnes

function u(t) {

w=1920;B=x=>S(x+Math.random());e=w*t/5,o=~~(e/w);o&&q<o&&(c.width+=0);e%=w;for(i=o,v=B(e);i--;v=B(v));x.fillRect(e,540+300*v,5,5);throw(q=o)

Mar 1 2018 1:50 PM UTC

}// 140/140

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Proving a point to a colleague for why high-order trigonometric functions make for a poor random distribution. Not art. :(

u/AnnanFay

Hmm, I don't really understand. This is because you are getting the sine of values in [0,2]?

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jylikangas

function u(t) {

x.transform(55,0,0,90,960,160)
x.fill(POIROT=new Path2D([...'M08Q4937C392607M04H7V3H0M00Q6063L03'].join` `))
x.scale(-1,1);x.fill(POIROT)

Feb 28 2018 4:25 PM UTC

}// 137/140

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Training spread syntax and Path2D with Hercule Poirot. :)

u/zanella

Wait, how did you call .join without parentheses?
u/jylikangas

That's ES6 stuff - I'm passing the function a template literal by using back-ticks
u/AnnanFay

Hmm, that's a neat trick.
u/artfarnaa

More of these please.... {:
u/iverjo

#path2d

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yonatan

remix of d/7105 by u/yonatan

function u(t) {

for(X=c.width=99;X--;)for(Y=57;Y--;x.fillRect(X,Y,1,1))q=X*X+Y*Y,z=(9e3-q)**-.3,x.fillStyle=`hsl(${(t*9+X*z^Y*z)*22},50%,${95-q**.5}%`

Feb 28 2018 10:31 AM UTC

}// 134/140

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lit and colored

Show more comments…
u/donbright

!!!!!!!!!!!!!!
u/sigveseb

Lit af
u/magna

^
u/joeytwiddle

#lighting #sphere
u/FireFly

Holy cow!! :o
u/Cloud

Wooooow!!!
u/vain

amazing!

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yonatan

remix of d/7101 by u/yonatan

function u(t) {

for(A=c.width=99;A--;)for(B=57;B--;x.fillRect(A,B,s,s))X=A-50,Y=B-27,q=X*X+Y*Y,z=(2200+C(t)*2e3-q)**-.3,s=S((t*9+X*z^C(t)*9+Y*z)/9)

Feb 27 2018 8:26 PM UTC

}// 131/140

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AnnanFay

remix of d/1494 by u/Renaud___

function u(t) {

c.width|=h=384
x.fillStyle='#62A'
for(z=1e4;z--;x.fillRect(~~a*w*C(z)+i**3%h*5,(a*h-~~a*w)*(2+i%.9)+w*S(z)/4,3,3))a=(t+C(i=z%99))%2,w=a*h-h

Feb 27 2018 2:50 PM UTC

}// 139/140

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Rhea wanted the rain to be purple. Took a few months. I present: some purple rain.

u/Renaud___

I had some hard work to use only 140 carac ... nice golfing dude :)
u/Renaud___

and your randomized rain is far better than mine
u/AnnanFay

Glad you like it! The original is one of my favourites :)
u/larzuk

Amazing :o

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jylikangas

function u(t) {

for(c.width=Y=W=256,t*=w=99;Y--;x.fillStyle=R(t%w,Y,w))x.fillRect(w-w/(z=Y/9)+S((v=Y+t)/w)*z*7+(v&8&&w)/z,W/z+Y*C(v/50),v/8%W>9&&W/z,Y%60/z)

Feb 27 2018 12:52 PM UTC

}// 140/140

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Enjoy the ride but watch out for the missing track pieces! :)

Show more comments…
u/aleamb

wow! epic!
u/zanella

Damn!!
u/sigveseb

Crazy good!
u/artfarnaa

Crazy Epic!
u/jylikangas

Thanks!
u/aleamb

#rollercoaster

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yonatan

function u(t) {

x.fillRect(0,0,1,1)
x.drawImage(c,t&3?0:960,t&1?0:540,960,540)

Feb 26 2018 8:20 PM UTC

}// 62/140

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give it a few seconds

u/Xen

nicely done, i have a 58bytes on here somewhere but smaller image

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