Dweets by u/acorv

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.

Try the new frontend: beta.dwitter.net
Current theme challenge: #Opposites

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acorv

function u(t) {

c.width=1800+99*S(t);for(l=0,j=24;j>0;j--)for(i=-2;i<19;i++)if(l++<t*9)x.fillStyle=R(9*j),x.fillRect(C(t/2)*99+(j%2?0:60)+i*125,j*45,120,40)

Sep 25 2018 4:13 PM UTC

}// 140/140

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Bricks

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acorv

function u(t) {

c.width=w=100+(1+S(t*12))*260;
for(i=25;i>8;i--){
x.beginPath()
v=i%2?60:0
x.fillStyle=R(v,v,v)
x.arc(w/2,w/3.55,i*w/90,0,7);
x.fill();
}

Sep 20 2018 8:16 PM UTC

}// 138/140

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Speaker

u/katkip

Wow, that's a genius idea! I love it
u/katkip

Wow, that's a genius idea! I love it
u/yaska

I can hear sound along with it. Synthaesthetic.
u/iverjo

The sound of saturday night

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acorv

function u(t) {

eval(unescape(escape`挮睩摴栽㤹⬲㔰⨨匨琩⬱⤻愽䌨琪㈩⨹㤻戽匨琪㈩⨹㤻睩瑨⡸⥻瑲慮獬慴攨愭㤹Ɫⴹ㤩㭦潲⡩㴭〻椼㤹㤻⥢敧楮偡瑨⠩ⱦ楬汓瑹汥㵠桳氨⑻琪楽ⰷ〥ⰵ〥怬慲挨⠨椯㈰⥼〩⨳㈬㌰⨨椫⬥㈰⤬ㄵⰰⰷ⤬晩汬⠩紻`.replace(/u(..)/g,"$1%")))

Sep 18 2018 9:29 PM UTC

}// 139/140

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c.width=99+250*(S(t)+1);a=C(t*2)*99;b=S(t*2)*99;with(x){translate(a-99,b-99);for(i=-0;i<999;)beginPath(),fillStyle=hsl(${t*i},70%,50%,arc(((i/20)|0)*32,30*(i++%20),15,0,7),fill()}

u/acorv

Any help golfing this one will be appreciated!

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acorv

function u(t) {

with(x)for(i=0;i<8;i++){beginPath();fillStyle=R(i*30);for(j=0;j<100;j++)lineTo(j*40,i*90+40*i*C(j/10+(t*i*i)/10));lineTo(0,2000),fill();}

Sep 5 2018 7:36 PM UTC

}// 138/140

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Parallax

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acorv

function u(t) {

c.width=1920;for(i=1;i<400;i++)j=i%20,w=t*5+j*9+i/600,x.beginPath(),x.arc(960-940*S(w/7)*C(w/3),540-520*S(w/2)*C(w/9),i/20,0,7),x.fill();

Sep 5 2018 3:32 PM UTC

}// 137/140

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u/donbright

i stare at this at night... i see gray trails!!!
u/joeytwiddle

Could be your monitor is old, or your eyes
u/fujimotos

Oh hey, I can see the gray tails too. It appears when I don't focus on an individual node and try to watch the whole screen.
u/katkip

It's not deep learning but I will #ai this.
u/iverjo

My cat reacts to this ^^ She tries to catch the "fishes"

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acorv

function u(t) {

c.width=1920;for(i=1;i<100;i++)w=t*10+i/50,x.beginPath(),x.ellipse(960-940*S(w/7)*C(w/2),540-520*S(w/3)*C(w/10),i/5,i/5,0,0,10),x.fill();

Sep 4 2018 3:32 PM UTC

}// 137/140

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u/f8f82804

great #style!
u/joeytwiddle

#cute #organic #worm #fish
u/DataMeta

Nice!
u/katkip

That's so easy to make! Well done.
u/joeytwiddle

You can save a few with: x.arc(X,Y,i/5,0,7)
u/acorv

@joeytwiddle: thanks! I used that in https://www.dwitter.net/d/9668 . ellipse() was there from a previous idea

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acorv

function u(t) {

for(i=0;i<800;i++)x.fillStyle=["#CCC","yellow","cyan","lime","magenta","red","blue"][f=i%10],x.fillRect(f*300-90*C(i/S(t)/999),i*1.5,300,15)

Aug 31 2018 2:14 PM UTC

}// 140/140

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Analog TV

u/micahcowan

Is this a test of the emergency broadcast system #EBS ? Or was there a similar pattern used outside the US for other purposes (such as when no programs are being broadcast)?
u/joeytwiddle

A slice of similarity: https://en.wikipedia.org/wiki/Test_Card_F
u/acorv

Inspired by this one: https://en.m.wikipedia.org/wiki/SMPTE_color_…

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acorv

function u(t) {

c.width=1920;for(i=260;i>=0;i-=20){x.beginPath();r=i+(t*6)%20;x.fillStyle=R(r);x.arc(960+S(r/3)*200,540+C(r/3)*200,r*5,0,7);x.fill();}

Jul 19 2018 3:10 PM UTC

}// 135/140

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acorv

function u(t) {

c.width=400;for(i=50;i<180;i+=3){s=(t+i)*2;x.beginPath();x.fillStyle=R(i);x.arc((s*i)%500-50,200+(C(s+1.6)>0?1:-1)*S(s)*i,i/9,0,7);x.fill()}

Jul 18 2018 6:25 PM UTC

}// 140/140

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u/iverjo

#dots
u/joeytwiddle

#bounce

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dwitter.net | acorv (104)