Dweets awesomed by u/lurifax

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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fson

function u(t) {

x.strokeStyle = R(5*t, 0, 10*t, 0.01);
x.arc(t*100, (S(t+Math.PI)+1.5)*300, (S(2*t)+1)*100, 0, 2*Math.PI);
x.stroke();

Feb 23 2017 11:35 PM UTC

}// 119/140

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u/lionleaf

That looks amazing!
u/iverjo

Dope
u/Xen

Remix #2933
u/Xen

Remix #2933

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DOsinga

remix of d/1101 by u/DOsinga

function u(t) {

m=256
n=m*4
c.width=n
x.rotate(t)
for(i=0;i<n;i++){x.rotate(0.4)
x.translate(i-m,i-m)
x.fillStyle=R(i*4%m,i*3%m,i*5%m)
x.fillRect(m,m,m,m)}

Feb 23 2017 10:42 PM UTC

}// 140/140

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fson

function u(t) {

X=960;Y=540;c.width+=0;x.lineWidth=23
x.arc(X,Y,50,0,7);x.fill()
for(i=t;i<t+4;i++)x.beginPath(),x.ellipse(X,Y,250,99,i*1.04,0,7),x.stroke()

Feb 23 2017 1:31 PM UTC

}// 140/140

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u/iverjo

Clean
u/Kalanchoe

so perfect!

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caleb

function u(t) {

x.fillText(String.fromCodePoint(0x1F300+(Math.random()*0x130)|0),Math.random()*c.width-40,Math.random()*c.height);x.font="80px arial";

Feb 22 2017 3:04 AM UTC

}// 134/140

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u/boriel

Where's Wally?

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mxfh

function u(t) {

c.width=w=1920;π=Math.PI/2;λ=0;r=w/4;for(φ=-π;φ<π;φ+=1/r){λ+=.1;x.lineTo(C(φ)*S(λ-t)*r+w/2,(C(t)*S(φ)-S(t)*C(φ)*C(λ-t))*r+r)}x.stroke()

Feb 20 2017 11:57 AM UTC

}// 135/140

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simple orthographic projection; try some factors on the lat λ and lon φ offsets t

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u/mxfh

simple orthographic projection; try some factors on the lat λ and lon φ offsets t
u/wicktwo

Niiiice!
u/as

i love this one
u/ssg

nice variable names!
u/donbright

so elegant
u/lionleaf

#sphere
u/lionleaf

#d3 . (3d is currently not a valid hashtag)
u/BirdsTweetCodersDweet

#whichwayround #inorout

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pieterkockx

function u(t) {

for(i=0;i<400;i++){r=Math.random(1);s=S(t)*S(r*t);x.fillStyle=R(180*s,240*r*s,128*s,r*r);x.fillRect(i*11*s,1e3*s+99*r,5*r,28*r*(t%8));}

Feb 19 2017 11:33 PM UTC

}// 135/140

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New_Core

remix of d/630 by u/New_Core

function u(t) {

for(a=i=629;i--;)s=99/(b=-a+(i+t*60)%a),X=a*S(i*99)*s+1e3,Y=a*C(i)*s+500,i<628?b+=a:(X=Y=0,s=a),x.fillStyle=R(b,b,b),x.fillRect(X,Y,s*9,s*9)

Jan 20 2017 9:28 AM UTC

}// 140/140

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for a smoother start

u/donbright

bravo
u/iverjo

#stars #starfield

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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/597 by u/iverjo

function u(t) {

c.width=1920;for(i=-2;i<2;i+=.05)for(j=-4;j<4;j+=.05)X=j-3*S(t),Y=i+C(t),1/(j*j+Y*Y)+1/(X**4+i**4)>1&&x.fillRect(j*240+960,i*240+540,12,12)

Jan 14 2017 3:55 PM UTC

}// 139/140

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Doesn't work in FireFox atm because of the ** operator

u/iverjo

Yay, Firefox 52 is now released and it supports the ** operator :D
u/iverjo

#metaballs

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New_Core

function u(t) {

c.width=2e3;a=200*S(t)+300;for(b=i=500;i--;)x.fillRect(1e3+a*S(i)*S(i*.0065-t)-b*C(t),b+a*C(i),5,5)

Jan 13 2017 8:37 AM UTC

}// 99/140

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