Dweets awesomed by u/Tekmap

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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irregularshed

function u(t) {

for(var h=0; h<1920; h++) {
var v=(t*60)%1080;var l=((h*h+v*v)/17)%256;x.fillStyle=R(l,l,0,1);x.fillRect(h,v,1,1);}

Feb 26 2017 6:36 PM UTC

}// 115/140

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Threw this together on my phone :)

u/SpecialAgent

beautiful!
u/sigveseb

very nice in fullscreen!
u/Tekmap

#moire

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zenymay5

remix of d/1140 by u/zenymay5

function u(t) {

r=420;c.width=r*4;λ=2;for(φ=a=Math.PI/1;φ>-a;φ-=1/r){λ+=a;x.lineTo(C(φ)*S(λ-t)*r+2*r,(C(t=t+6/r)*S(φ)+S(t)*C(φ)*C(λ-t))*r+r)}x.stroke()

Feb 24 2017 6:10 AM UTC

}// 135/140

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jnalezny

function u(t) {

c.width=1920; 
for(i=0;i<9;i++){
 x.fillRect(400+i*100+S(t)*300, 400, 50, 200) 
 x.fillRect(400+i*100+C(t)*300, 600, 50, 200)
}

Feb 23 2017 8:35 PM UTC

}// 127/140

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andy

function u(t) {

a=b=>S(t*b)*128+128
x.fillStyle=R(a(1.3),a(3),a(2))
x.fillRect(S(t*3)*960+960,C(t*2.5)*539+539,10,10)
x.drawImage(c,S(t)-2,C(t)-2,1924,1084)

Feb 23 2017 10:30 AM UTC

}// 140/140

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Show more comments…
u/magicmarc

First line as "a=b=>128*(S(t*b)+1)" brings this to 140.
u/andy

Thanks, that's right. Didn't even realize i was over 140 :)
u/lionleaf

Are you seeing over 140 characters? On chrome it says 140/140 at least.
u/andy

weird, yesterday it said 143.
u/michelinux

It's probably because on Windows the new line takes 2 characters ('\n\r'). Use ';' instead of new line and you should have a more consistent behaviour.
u/andy

still weird, i don't have any windows machines.
u/SpecialAgent

the simplicity of that zoom blows my mind, great work!

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jczimm

function u(t) {

c.width=1920;for(i=0;i++<300;)for(j=0;j++<6;x.fillStyle=R(0,0,0,j/8))x.fillRect(960+200*C(i)*S(T(t/-1.1)+j/i),540+200*S(i),10,10);

Feb 22 2017 11:49 PM UTC

}// 130/140

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added opacity

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sigveseb

remix of d/407 by u/sigveseb

function u(t) {

for(n=c.width=i=1e3,s=S(t),k=C(t);i--;x.lineTo(n*X/Z,n*Y/Z))F=S(i),U=C(i),V=(i&7)-3,_=V*s+F*k,Z=V*k-F*s+15,X=_*k-U*s+7,Y=_*s+U*k+3;x.fill()

Feb 22 2017 9:37 PM UTC

}// 140/140

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Show more comments…
u/donbright

that is unbelievable cool
u/iverjo

This one is best viewed in Chrome
u/magna

Nanotube
u/sigveseb

#material
u/joeytwiddle

Could be a dune heighliner #shiny
u/stiaje

#witchcraft
u/joeytwiddle

#hiddengem

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fufuhaaa

function u(t) {

c.width=2e3;r='';for(i=0,l=1;i<1e9;){m=i;i+=l;l=m;r+=i}for(i=0;i<200;)x.fillRect((r[++i]*192+(t*1e4)/(1+r[++i]))%2e3,(r[++i]*100),9,9);

Feb 22 2017 1:30 AM UTC

}// 135/140

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The Fibonacci numbers concatenated may not be the best way of generating random numbers, but it's the only short one that came to mind.

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aemkei

function u(t) {

for(c.width=90,b=[a=this.b||0],i=3e4;i--;x.fillRect(i%90,i/90,1,b[i]=a?3==d|a[i]&2==d:24*i%7%2))for(d=0,j=5;e=87*(2<j--)+j;)d+=a[i+e]+a[i-e]

Feb 19 2017 10:33 PM UTC

}// 140/140

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u/lionleaf

wow, awesome! Game of life!
u/iverjo

Impressive
u/aemkei

Based on aem1k.com/life
u/aemkei

#gameoflife

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icecuber

function u(t) {

c.width=432;F=(n,r=0,m=1)=>n?F(n/9|0,n/3%3^1?r+n%3*m:m*3-1-r-n%3*m,m*3):r%27*9;for(j=6;j--;)k=j?t*8-j-7:t<<3,x.fillRect(F(k|0),F(k/3|0),7,7)

Nov 4 2016 2:16 PM UTC

}// 140/140

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u/iverjo

Snake!
u/donbright

lol really wishing for sound effects now
u/lionleaf

#snake #game
u/katkip

#ai
u/joeytwiddle

#tribute

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New_Core

function u(t) {

x.fillStyle=R(b=2e3,b,b,.2);x.fillRect(0,0,b,b);for(i=20;i--;)x.beginPath(),x.ellipse(1e3,f=500,f+f*S(g=i*.1+t),f+f*C(g),t,0,6.3),x.stroke()

Oct 30 2016 9:36 AM UTC

}// 140/140

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u/iverjo

Rad!

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