Dweets awesomed by u/sigveseb

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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cantelope

function u(t) {

cx=(c.width|=0)/2,cy=340
for(i=99;i--;)for(j=59;j--;)X=i/2-25-C(t)*2,Y=3+S(i/5)*S(j/5+t*3),x.fillRect(cx+1/j*X*cx,cy+Y/j*cx,s=99/j,s)

Apr 22 2017 6:28 PM UTC

}// 133/140

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u/innovati

🌊🏄
u/joeytwiddle

Beautiful
u/cantelope

innovati, i can't tell what those emojis are. lel.
u/Renaud___

great

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magna

remix of d/2545 by u/prawnwarp

function u(t) {

c.width|=0;for(i=0;i<1920;i+=64){for(j=0;j<1080;j+=64){x.fillStyle=`hsla(${i*j},50%,50%,.3)`;s=S((t*T(i&j^t)))*64+64;x.fillRect(i,j,s,s);
}}

Apr 22 2017 5:02 PM UTC

}// 140/140

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u/joeytwiddle

Very pretty! It reminds me of this awesome 256b: https://linusakesson.net/scene/a-mind-is-bor…

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donbright

remix of d/2544 by u/New_Core

function u(t) {

for(j=15;j--;){for(i=0;i<50;i++){x.beginPath();x.arc(i*(40+j*9),(99-j*5)*S(t*j*.5+i)+300+j*60,99,0,7);x.fillStyle=R(9,0,j*12,.12);x.fill()}}

Apr 21 2017 10:48 PM UTC

}// 140/140

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whale's world, not ours

u/joeytwiddle

Wow!!

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prawnwarp

function u(t) {

c.width|=0;for(i=0;i<1920;i+=64){for(j=0;j<1080;j+=64){x.fillStyle=`hsla(${i*j},50%,50%,.3)`;s=S((t*j*.01+i))*64+64;x.fillRect(i,j,s,s);
}}

Apr 21 2017 1:53 PM UTC

}// 139/140

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u/magna

So pretty!
u/cantelope

you can omit the closing parenthesis for hsla and save 1 delicious byte :)
u/donbright

man this is nice

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prawnwarp

function u(t) {

c.width|=0;for(j=0;j<12;j++){for(i=0;i<10;i++){x.beginPath();x.moveTo(j*100,540);x.lineTo(960+500*C(t*i),540+500*S(t*i));x.stroke();}}

Apr 20 2017 3:16 AM UTC

}// 134/140

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u/donbright

interesting idea
u/joeytwiddle

If I look at the point, I see it coming out of the screen. But if I look at the back, I see it point away.

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prawnwarp

remix of d/2536 by u/prawnwarp

function u(t) {

c.width|=0;x.lineWidth=2;r=500;a=460;b=540;x.moveTo(a,b);for(i=2;i<128;i+=2){a+=C(t*i)*r/i;b+=S(t*i)*r/i;x.lineTo(a,b);}x.stroke();

Apr 20 2017 2:03 AM UTC

}// 131/140

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terkel

function u(t) {

w=c.width,h=c.height
for(i=0;i<90;i++){
x.fillStyle = R(i*(t/200)*4,i*40,150,1/i)
x.fillRect(w/2+S(t)*250*i,h/2+C(t)*(20*i),10,10)
}

Apr 19 2017 7:01 PM UTC

}// 132/140

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u/Polyducks

This is so smooth. Feels like a radar :>
u/terkel

Thanks mna!

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phst

function u(t) {

c.width=1920;
  for(i=0;i<100;i++)
  x.fillRect(100+i*15,400+S(2*t+i)*250,8+S(i)*80,10+C(2*t-i)*100)

Apr 19 2017 2:52 PM UTC

}// 100/140

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Polyducks

function u(t) {

x.fillRect(0,0,1920,1080)
x.font = "60px A"
W=S(t)*600;H=T(t/10)*200;for(i=0;i<20;)x.fillText("👾",((100*(++i%5))+700)+W,(100*(i%4))+200+H)

Apr 18 2017 6:42 PM UTC

}// 139/140

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SPACE INVADERS

u/Polyducks

Weird... I wonder why it's stopped working...
u/magna

It still works for me. macOS + Chrome.
u/joeytwiddle

MacOS and Chrome here. The unicode char (was it 👾?) appears to get stripped while loading. If I paste it in between the "", then it works. Perhaps Dwitter loads differently on different pages?

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eruonna

remix of d/2522 by u/magna

function u(t) {

c.width|=0
t?0:n=0
onkeyup=e=>n++
x.font='50px monospace';
((u+'').slice(0,n%154)+' |'[t&1]).split('\n').map((r,i)=>x.fillText(r,0,++i*50))

Apr 18 2017 6:27 PM UTC

}// 139/140

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Hacker typer

u/sigveseb

nice
u/magna

Can be used when your boss catches you looking at dwitter.net at work.

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