Top dweets of all time

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.

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DirtyDan

remix of d/7051 by u/DirtyDan

function u(t) {

with(x)for(i=32;i-->2;)fillStyle=`hsl(${i*t*9},100%,50%)`,lineWidth=i*2,beginPath(arc(960+C(a=t*i/3)*i,540+S(a)*i,i*i/2,0,7),fill(stroke()))

Feb 23 2018 2:34 AM UTC

}// 140/140

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u/aleamb

beautiful!
u/fons

dope
u/zanella

Nice color palette!
u/iverjo

Good colors indeed
u/Xen

love it

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21medals

remix of d/6587 by u/Qwitter

function u(t) {

x.globalCompositeOperation='xor';
x.fillStyle='#a90'
x.fillRect(960,540,4,4)
for(i=-4;i++<4;x.drawImage(c,i,-2),i++)x.drawImage(c,i,2)

Jan 30 2018 2:23 PM UTC

}// 134/140

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u/donbright

woah
u/iverjo

That escalated quickly
u/katkip

Wow that's an awesome GOL!
u/katkip

#gameoflife
u/Qwitter

nice!
u/rep_movsd

#underrated

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ellisk1

function u(t) {

x.fillStyle=`hsla(${Q=2*t*t},90%,50%,.5)`,x.beginPath(),x.ellipse(960+700*C(Q),300*S(Q)+350,15+10*S(Q),50*T(Q%1.55),0,0,3.14),x.fill()

Jan 10 2018 11:07 PM UTC

}// 134/140

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Dripping paint can?

u/sigveseb

Rocks hard imo :)
u/ellisk1

Thanks!
u/sandromiccoli

niceee

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sandromiccoli

function u(t) {

x.strokeStyle=R(0,0,0,0.1);for(i=0;i<9;i++){r=t*i/100000;x.rotate(r);s=20+t*25*i;x.strokeRect(c.width/2-s/2,c.height/2-s/2,s,s)}

Jan 4 2018 2:16 AM UTC

}// 128/140

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u/magna

Pause, print, sell prints, profit!
u/sandromiccoli

<3

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tjl

function u(t) {

x.fillText(c,1e3,9);x.filter='saturate(116%)hue-rotate(15deg)contrast(95%)sepia(1%)';x.setTransform(1,0.01,-0.01,1,5,-8);x.drawImage(c,0,0);

Dec 29 2017 6:02 PM UTC

}// 140/140

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NB: Results vary between browsers. Tested on Linux Chrome and Firefox, different but cool results on both.

u/Xen

nice
u/coltonb

who put this acid in my coffee
u/ctrlx

(Shhhhh, or everyone will want some of your coffee! :P )

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magna

function u(t) {

r=Math.random
c.style.boxShadow=`inset 0px ${r()*20}px 10em #642`
c.width=w=1920
for(i=10;i--;x.fillRect(r()*w,0,1,w));

Apr 1 2017 9:38 PM UTC

}// 119/140

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Show more comments…
u/donbright

when does the movie start
u/magna

You missed it
u/donbright

in that case, i loved it! 5 stars
u/SpecialAgent

I thought the characters were underdeveloped but the effects hit the spot!
u/joeytwiddle

I was really confused why some of the lines appear softer than others. Finally realised it's because the canvas is scaled down
u/magna

#film
u/UEZ

#Yeşilçam

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Jenky

function u(t) {

w=c.width|=0
for(i=0;++i<99;)z=50+~~(i**2/80),x.font=z+`px a`,x.fillText(['🌲','🌳'][i%2],(S(i)*w+t*z*4)%(w+z)-z,z*5)

Mar 31 2017 11:58 AM UTC

}// 115/140

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Trees to go along with https://www.dwitter.net/d/2352 :D

Show more comments…
u/Jenky

I challenge someone to combine the two, golfing that is gonna be a doozy
u/z3vin

i love this can you explain: z=50+~~(i**2/80), specifically ~~ and **
u/nonce

~~ is Math.floor() and ** is Math.pow(), I do not understand why you need to floor? Why do you need an integer z? Also i*i is 1 char shorter than i**2 so you could shorten it to: z=50+i*i/80 am I missing something?
u/nonce

FWIW you can have a non integer font size
u/nonce

Golfed a bit, removed the pines (they are evergreen) and added a season: https://www.dwitter.net/d/2361 (autumn)
u/Jenky

Totally missed that, and didn't realise fonts could have floating px. Nice remix, too :D
u/sfz

floating px makes the rendering much slower but it's doable with a reasonable amount of entities
u/nonce

@sfz what about floating em? What is the perf like for that?
u/aemkei

Nice one! Really love the style.
u/aemkei

You can save ~9 bytes:
u/aemkei

for(w=c.width|=i=0;++i<99;)z=50+(i**2/80),x.font=z+px a,x.fillText(i%2?'🌲':'🌳',(i**7+t*z*4)%(w+z)-z,z*5)
u/tapgiles

Very nice!
u/Polyducks

omg haha are these emoji!? That's so smart!!!
u/joeytwiddle

#landscape #parallax #trees
u/micahcowan

#emoji
u/katkip

#perspective

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scottglz

remix of d/2194 by u/scottglz

function u(t) {

c.width=76;for(X=71;X--;)for(Y=40;Y--;x.fillRect(X,Y+S(X/9+7*t)+2,1,1))x.fillStyle=X<24&Y<20?Y%2|X-Y&3|!Y|!X?'#447':f:Y/3&1?f='#ddd':'#b23'

Mar 21 2017 8:19 PM UTC

}// 139/140

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u/sfz

awesome!
u/joeytwiddle

#flag

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FireFly

function u(t) {

for(c.width|=i=0;i<40;i+=.025)R=S(t)/4+.25,r=.7-R,x.fillRect((A=R+r*S(D=i%1*44+88))*C(E=i+t/10)*480+960,(B=A*S(E)+r*C(D))*340+510,W=4-B*3,W)

Mar 6 2017 12:46 PM UTC

}// 140/140

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Torus-sphere thing

u/donbright

good one
u/SpecialAgent

excellent

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recursive

function u(t) {

c.width=256;
for(X=255;X--;)for(Y=144;Y--;)
if((q=C(X/8+C(t*7))+C(Y/8+S(t*8))-C(t*3)*2)>0?q<.2||X+t*30&4:Y+t*30&4)x.fillRect(X,Y,1,1)

Mar 5 2017 6:27 PM UTC

}// 133/140

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