Dweets awesomed by u/joeytwiddle

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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Niklas

function u(t) {

for(c.width|=0,q=100,i=q;i--;)for(a=i*.031+t*5,j=q;j--;)b=j*.031+t*5,x.fillRect(500+10*i+q*C(b),240+5*j+q*S(a),3,3);

Mar 1 2017 1:29 PM UTC

}// 116/140

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u/SpecialAgent

nice cloth :)

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sawaxon

remix of d/1669 by u/sawaxon

function u(t) {

c.width|=0;for(j=1;j<40;j++)for(i=1;i<40;i++)x.fillRect(900+S(10+i/(S(t*j)*20)/2000)*j*40,500+C(i/((t+142)/10))*j*20,S(j*i)*j/3, S(j*i)*j/3)

Mar 1 2017 10:33 AM UTC

}// 140/140

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sawaxon

remix of d/1624 by u/sawaxon

function u(t) {

c.width=1920;for(j=1;j<20;j++,x.fillStyle=R(j,j*5,j*10))for(i=1;i<190;i++)x.fillRect(900+C(i)*400,500+S(i)*6*S((t+10)/2+j)*70,6,6);

Feb 28 2017 8:51 PM UTC

}// 131/140

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magna

remix of d/1618 by u/magna

function u(t) {

n=64;W=1920/n;H=1080/n;p=C(t/10)*1e3+1e2;for(j=n*n;j--;X=j&63,Y=j>>6,c=T(t/(p+X-Y)*j)*255,x.fillStyle=R(c,c,c,.1),x.fillRect(X*W,Y*H,W,H));

Feb 28 2017 8:28 PM UTC

}// 139/140

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sawaxon

function u(t) {

c.width=1920;for(j=0;j<9;j++)for(i=0;i<390;i++)x.fillRect(900+C(i)*400,500+S(i)*6*S((t+20)*5*j/50)*70,4,4);

Feb 28 2017 8:25 PM UTC

}// 107/140

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u/joeytwiddle

Oooh. I thought it was just a spinning sphere but then ... plot twist!

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magna

remix of d/1617 by u/magna

function u(t) {

n=64;W=1920/n;H=1080/n;p=t*t;for(j=n*n;j--;c=T(t/p*j)*255,x.fillStyle=R(c,c,c,.2),x.fillRect((j&63)*W,(j>>6)*H,W,H));

Feb 28 2017 8:15 PM UTC

}// 117/140

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u/iverjo

Nice. Kinda reminds me of https://www.dwitter.net/d/93
u/iverjo

#noise

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Lappi

remix of d/1605 by u/Lappi

function u(t) {

c.width=1920;x.font='9em a';
for(i=0;i<350;i++)
x.fillText('🌈',i*5,S(i*5+t*i/200)*400+600);

Feb 28 2017 7:43 PM UTC

}// 91/140

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khalkeus

function u(t) {

v=['<・><','<・))><<','くコ彡','(___.))><'];w=333;c.width=w;for(i=1;i<55;i++){x.fillText(v[Math.round(C(i)*C(i)*3)],w-(t*S(i)*99)%(w*2)+99,i*4)}

Feb 28 2017 5:17 PM UTC

}// 139/140

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u/sigveseb

very nice!
u/iverjo

Cool :) This reminds me of a game "Zubwar" that I made when I was a kid

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SpecialAgent

function u(t) {

π=Math.PI;h=540;q=S(t)
x.beginPath()
x.arc(960,h,q*q*h,1*π,3*π)
x.stroke()

Feb 28 2017 5:13 PM UTC

}// 74/140

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u/iverjo

Some interesting moirè patterns there
u/donbright

resembles 'circles and squares' fractal a little bit

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pstefanlarsson

remix of d/1544 by u/pstefanlarsson

function u(t) {

c.width=1920; /* clear the canvas */
for(i=0;i<1920;i+=3){
h = 540*C(i*t/100);
x.fillRect(i, 540+h/2, 3, h/2*S(i/100))
}

Feb 28 2017 9:37 AM UTC

}// 121/140

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