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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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batboy

function u(t) {

t==0?p=Array(1920).fill(1):0
for(i in p)Math.random(x.fillRect(i,0,1,p[i]))<.5?p[i]+=10:0
if(p.every(o=>o>1110))p.fill(1),x.fillStyle="#7cf"

Mar 19 2019 2:35 AM UTC

}// 140/140

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rsrsrs

remix of d/12825 by u/rsrsrs

function u(t) {

c.width=w=2e3;hh=1080;
v="no";x.font="24em ARIAL";
r=6;l=6
for(j=0;j<r;j++)for(var i=0;i<l;i++)
x.strokeText(v,w*(j/r),200+hh*(i/l))

Mar 19 2019 2:35 AM UTC

}// 133/140

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repeat

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rsrsrs

remix of d/6443 by u/BirdsTweetCodersDweet

function u(t) {

c.width=2e3;v="no";x.font="24em ARIAL";
for(j=0;j<10;j++)for(var i=0;i<10;i++)
x.strokeText(v,0,z=600+20*S(t)*i)

Mar 19 2019 2:27 AM UTC

}// 113/140

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rsrsrs

remix of d/48 by u/iverjo

function u(t) {

w=c.width=64;
for(i=-1;i++<2304;)
X=i%w,Y=0|i/w,
z=255,
v=t%50/100,
x.fillStyle=R(z*(X*Y*v%5/5)),
x.fillRect(X,Y,1,1)

Mar 19 2019 2:05 AM UTC

}// 117/140

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rsrsrs

remix of d/6711 by u/nickd3000

function u(t) {

for(i=0;i<32;i++)g=100*t*(i%3+1),x.fillStyle='hsl('+g+',99%,55%)',x.fillRect(80*i,5,80,20);x.drawImage(c,-5,4,1930-T(t*t*4)*5,1080+5);

Mar 19 2019 1:25 AM UTC

}// 134/140

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glitch

u/magna

#glitch

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rsrsrs

remix of d/6711 by u/nickd3000

function u(t) {

for(i=0;i<100;i++)g=100*t*(i%3+1),x.fillStyle='hsl('+g+',99%,50%)',x.fillRect(1920-20*i,0,10,10);x.drawImage(c,-4,4,1930-S(t*5)*10,1080+10);

Mar 19 2019 1:17 AM UTC

}// 140/140

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still not really grokking what's happening.. and what's on the right?

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rsrsrs

remix of d/12768 by u/Xen

function u(t) {

x.font="480px'"
x.strokeStyle=R(0,0,0,0.01*t)
x.strokeText("real",Z=500+S(t)*t,Y=800+C(t)*99)
x.strokeText("real",Z,Y/2)
x.rotate(T(t)/1e3)

Mar 19 2019 12:11 AM UTC

}// 139/140

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decay

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tomxor

function u(t) {

eval(unescape(escape`挮睩摴栽㐸〻挮獴祬攽❦楬瑥爺楮癥牴⠱⥳数楡⠱✻景爨椽㉥㐻椭ⴻ⥸⹦楬汒散琨㈴〫㤹⩓⡘㵩┱㈰⼳㤩⩃⡙㵩⼶攳⤭䌨夫琩⨨娽匨匨太㐩⽃⡘⨱㘯天⤪⨵⨸⤬ㄳ㔫㤹⩃⡘⤭䌨堫琩⩚ⱓ⡘⤬䌨夫娯ㄶ⭴⤪⨷⨳⤻`.replace(/u(..)/g,"$1%")))

Mar 18 2019 11:00 PM UTC

}// 140/140

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Super Dune #planet #space

u/tomxor

A tumultuous and dusty planet trapped in the middle of a binary star system (my excuse for lighting both sides :D). prepend t/=6; if you have a crazy fast GPU
u/lionleaf

Wow, this one is simply amazing!
u/aleamb

wow! superb! amazing!
u/iverjo

Very good!
u/vain

Unbelievable great bump map like fx

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batboy

function u(t) {

r=Math.random
s=x=>r()<.5?-r():r()
x.fillStyle=t%8>4?'#fff':'#000'
p=t%4*t*4
x.fillRect(c.width/2+p*s(w=c.height/2+p*s()),w,p*s(),p**s())

Mar 18 2019 8:07 PM UTC

}// 137/140

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growing distortion

u/joeytwiddle

Cool to find this. I used a very similar technique over here: d/17725

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rodrigo.siqueira

function u(t) {

for(H=300,c.width|=i=2e3;i--;)A=i<H?(B=1,0):i<600?(B=-.2,1):i<900?(B=0,-.2):B=0,x.fillRect(i,600-(2*t&1)*(A-A*(μ=.5-C(i%H/94)/2)+B*μ)*H,6,6)

Mar 18 2019 5:57 PM UTC

}// 140/140

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Pulses of a single neuron in a Spiking Neural Network (SNN) using cosine interpolation with 4 intervals: depolarization (rising curve), repolarization (falling curve), refractory (recovery period) and resting potential (continuous line). #neural #ai