Dweets awesomed by u/danni

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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sfz

function u(t) {

c.width|=F=I=69
O=C(t/3)
for(i=F;i--;)I=S(t-i+I*I-O*O),X=i%3*(O-I)+4*I,Y=i/3%3*(I+O)+2*I,Z=i/9*(2-I+O),s=F/Z,x.fillRect(F*i+X*s,9*i+Y*s,s,s)

Mar 31 2017 5:43 AM UTC

}// 140/140

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Perspective thingy

u/cantelope

nice golfing
u/Qwitter

thumbs up :)

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cantelope

function u(t) {

x.drawImage(c,-9,-4,c.width+18,c.height+8)
x.fillStyle=`hsl(${t*99},99%,50%`
s=C(t)*99
for(i=6;i--;x.fillRect(960+S(++t)*s,540+C(t)*s,9,9));

Mar 30 2017 3:49 AM UTC

}// 140/140

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inspired by the recent work of others. not sure who to credit. everyone i guess!

u/cantelope

looks like nonce might have been the pioneer of this technique. cheers!
u/recursive

Looks like Winamp visualizations ca 2000
u/donbright

cool beans

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sfz

remix of d/2171 by u/sfz

function u(t) {

c.width=w=540;t*=7;for(i=l=129;i>69;t+=i--)for(j=7;j--;)h=t*i%w,a=h-l>l,x.fillRect(t%w+(a?9*S(t/j):0),a?w/2+h%7*C(t/j):h,h<w*.6,a||9)

Mar 18 2017 5:47 AM UTC

}// 133/140

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Bit rainy

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kchplr

remix of d/1416 by u/kchplr

function u(t) {

for(i=1296;i--&&t<2;Y=i/48|0,d=.2+((X-24)**2+(Y-13)**2)/300,s=(200*S(t*d)*d)%40,x.fillRect(X*40-S(Y*X+t)*s,Y*40+S(X+Y-t)*s,s/8,s/7))X=i%48

Feb 28 2017 12:24 PM UTC

}// 138/140

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I would be lying if I said this is what I had in mind

u/Flexi23

But no-one could look into your mind and compare. wait. no.

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sfz

remix of d/1479 by u/sfz

function u(t) {

c.width=w=2e3
d=new Date
t?!(d&9)&&o.push([d%w,0,0,d%9]):o=[]
o.map(a=>(x.font=a[3]+'em ø',x.fillText('❄',a[0],a[1]+=a[2]+=a[3]*a[3]/w)))

Feb 27 2017 11:03 PM UTC

}// 137/140

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Snowflakes with gravity acceleration and parallax

u/sfz

err, depth that is, small ones fall slower as if they're further away :P
u/joeytwiddle

#snow I think it's fair to call that parallax, just vertical

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gormisdomai

function u(t) {

r=T(t)*900;if(r>5e3){X=r%1920;Y=r%1080}x.beginPath();x.arc(X,Y,r,0,7,0);x.lineWidth=9;x.strokeStyle='#'+(C(r)*1e7<<0).toString(9);x.stroke()

Feb 24 2017 2:11 PM UTC

}// 140/140

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u/SpecialAgent

everyone loves moire :)

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New_Core

function u(t) {

c.width=2e3;for(a=i=629;i--;)s=-150/((i+t*60)%a),X=a*S(i*.31)*s+1e3,Y=a*C(i*.3)*s+500,x.fillRect(X,Y,s*9,s*9),x.lineTo(X,Y);x.stroke();

Jan 17 2017 4:08 PM UTC

}// 135/140

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Show more comments…
u/Ameo

That's ridiculously impressive.
u/Ameo

That's ridiculously impressive.
u/Ameo

That's ridiculously impressive.
u/ilSilvano

That's three times ridiculously impressive.
u/joeytwiddle

I feel like god is pulling all the thread out of the universe
u/hope4tg

Haha, agree with joey, the zoom out effect is awesome
u/Lazy1337

#d3
u/katkip

#infinite
u/vain

really impressive

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iverjo

remix of d/577 by u/iverjo

function u(t) {

X=S(S(t)*2);x.lineTo(960+512*X*X*X,480-32*(13*C(t)-5*C(2*t)-2*C(3*t)-C(4*t)),15,15);x.fill()

Jan 3 2017 10:24 AM UTC

}// 92/140

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A shield? Or a cat? Maybe a rose? There's room for more code to draw things like eyes

u/iverjo

Feel free to create a remix

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BriSeven

remix of d/526 by u/BriSeven

function u(t) {

for(i=16;i--;)x.fillStyle=R((d=i*S(t)*7+119*i)%256,d/1.4%256,d/7%256,.1),x.fillRect(120*i+30*S(13*t%i)+50,500*C(t/13)+500,30*S(t/i*3)+10,40)

Dec 22 2016 1:27 AM UTC

}// 140/140

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a slight variation that happens to look IMHO a fair bit more pleasant and glassy.

u/iverjo

Candy land! :D

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maraoz

function u(t) {

c.width=99;for(X=0;X<99;X++)for(Y=0;Y<99;x.fillStyle=R(c=S(t+X*Y/(t)+t*t*9)*255,c*X/99,c*Y/99),Y++)x.fillRect(X*1,Y*1,1,1)

Jul 24 2016 3:32 AM UTC

}// 122/140

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u/sigveseb

Nice colors
u/iverjo

+1

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