Dweets awesomed by u/theryanking

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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RespectDeniedExplodedDefended

function u(t) {

w=1920,h=1080;for(c.width=i=w;i>0;i-=1){
x.fillRect(C(i)*i+w/2,S(i+t/2)*i+h/2,5,5);
}

Dec 27 2017 6:46 PM UTC

}// 85/140

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Xen

remix of d/3713 by u/bobdunn

function u(t) {

for(c.width|=Y=i=300;i--;x.fillStyle=R(Z=C(i+t*4)*Y,Z*S(t),5-Z,.6))x.fillRect(i*9,Y+C(3*t+(i*2))*99,39,Y)

Dec 27 2017 6:40 PM UTC

}// 105/140

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had to have a play, quick test... shoutz to bobdunn

Show more comments…
u/karan

Hot damn! that looks fancy! and i thought i was doing something great by just adding random colour :D
u/Xen

always save your code to one side before posting, play with it to see if you can squeeze something extra out.
u/karan

Helpful tips! Is there an IRC or some messaging service to hang out with fellow dwitters?
u/Xen

https://discord.gg/emHe6cP
u/bobdunn

I was thinking about adding color. I like what you did here!
u/Xen

thanks :-)

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travistx

function u(t) {

for(i=0;i<2e3;i+=20)for(j=0;j<1e3;j+=20){a=i-960
b=j-540
x.fillStyle=`hsl(${Math.sqrt(a*a+b*b)/5-t*500},100%,50%)`
x.fillRect(i,j,20,20)}

Dec 27 2017 6:28 PM UTC

}// 137/140

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Simonster

function u(t) {

c.width=1900
b=255
m=200
o=C(t)/2+.5
for(i=0;i<m;i++){x.fillStyle=R(b*o,C(o)*b,i/m*b)
l=d=i*4.5*C(C(t+i))
x.fillRect(30*i/3,l,30,l-d*.75)}

Dec 27 2017 5:53 PM UTC

}// 138/140

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absulit

function u(t) {

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

Dec 27 2017 5:17 PM UTC

}// 91/140

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fusty

function u(t) {

c.width=1920
  for(i=0;i<190;++i){
    x.fillStyle=i%2==0?R(255,0,0,1):R(0,255,0,1)
    x.fillRect(i*10,400+C(4*t+(i*3))*100, 27, 200)
  }

Dec 27 2017 5:15 PM UTC

}// 138/140

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pyjus

function u(t) {

o=300;c.width=3*o;x.beginPath();for(i=0;i<99;i++){j=i/10+t;a=o*C(j)/(S(j)**2+1);x.lineWidth=9*C(t)**2;x.lineTo(a*S(t)+o,a*S(j)+o)}x.stroke()

Dec 27 2017 5:13 PM UTC

}// 140/140

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unts-unts-unts-unts

function u(t) {

for(c.width=1920,i=0;i++<64;)for(j=0;j++<16;)x.fillStyle=R(3*i,j*i,9*(9+C(4*t))),x.fillRect(32*i,30*j*S(t*i/7)+540,25,20);

Dec 27 2017 4:26 PM UTC

}// 122/140

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MatthieuLemoine

function u(t) {

c.width=1920
s=999*t%1500
o=200
t=x.fillText.bind(x)
x.font="190px A"
for(i=0;i<900;i+=150){t('→',s,o+i)
t('🏹',0,o+i)
t('🚶',1600,o+i)}

Dec 27 2017 4:06 PM UTC

}// 134/140

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E-Mouse

function u(t) {

c.width=1920;
for(i=0;i<32;i++)
x.fillRect(i*64,400+C(t+(i*3))*1080,32,200)

Dec 27 2017 3:40 PM UTC

}// 75/140

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