Dweets awesomed by u/recursive

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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iverjo

remix of d/598 by u/iverjo

function u(t) {

c.width=1920;for(i=-2;i<2;i+=.05)for(j=-4;j<4;j+=.05)X=j-3*S(t),Y=i+C(t),1/(j*j+Y*Y)+1/(X*X+i*i)>1&&x.fillRect(j*240+960,i*240+540,12,12)

Jan 14 2017 3:56 PM UTC

}// 137/140

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u/nickd3000

A weird remix https://www.dwitter.net/d/6361
u/iverjo

#metaballs

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New_Core

function u(t) {

b=a=c.width=500;for(i=a*5;i--;)g=i%(h=b+9*S(t))>h/2?0:b,x.fillRect(g+i%13*b*2-1*i*.6+(b*8*S(t*.5))%b*2,150+i*.05,b=20+i*.05,1)

Dec 31 2016 12:13 PM UTC

}// 126/140

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u/iverjo

Awesome :D
u/iverjo

This dweet reminds me of the Windows 3.1 chess background image: http://i.imgur.com/Zv5eBRk.png
u/New_Core

#checkerboard

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BriSeven

remix of d/546 by u/BriSeven

function u(t) {

X=960,Y=80+1080*t%900,a=1;for(i=99;--i;)x.fillStyle=T(a)<9?R(99-a,a/3,0,.3):"#FFA",x.fillRect(X+=S(a)*Y/50,Y+=C(a)*4,8,8),a+=7*Math.random()

Dec 23 2016 4:34 AM UTC

}// 140/140

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Show more comments…
u/lionleaf

Oh wow, that is amazing!
u/sigveseb

Very nice!
u/iverjo

Wonderful!
u/hamptonio

Happy little tree!
u/Beginner

Wow!
u/Xen

Done Re-mi(X)en 2878
u/Xen

Done Re-mi(X)en 2878
u/Xen

why post twice? :-/
u/joeytwiddle

Quantum commenterference I guess. This one is my favourite :)
u/iverjo

#tree
u/lionleaf

#christmas #christmastree #color
u/rawbits

A sad little tree. He has no friends. (Bob would be proud)
u/vain

Amazing procedural and beautifl tree. Mindblowing coding!

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New_Core

remix of d/508 by u/New_Core

function u(t) {

x.beginPath();b=99;for(i=6;i--;)x.fillStyle=R(a=b*C(t)+b,t*i,a*i),x.fillRect(960+b*S(t+i),540+b*C(t+i),9,9);x.drawImage(c,-5,-3,1930,1086)

Dec 15 2016 3:06 PM UTC

}// 138/140

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lol didnt need that beginpath there, was leftover from the other one

u/New_Core

a=255;for(i=6;i--;)x.fillStyle=R(33*t%a,66*t%a,99*t%a),x.fillRect(960+a*S(t+i),540-a*C(t+i),9,9);x.drawImage(c,-5,-3,1930,1086)
u/iverjo

Very nice, and trippy af. This is the kind of thing I meant when I said I wanted to do a remix of https://www.dwitter.net/d/508
u/New_Core

#swirl

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New_Core

function u(t) {

a=c.width=240;while(a--)x.fillStyle=R(s=70+99*S(a+60*S(b=t+a*.01)+t),s+80*C(b),s+80*S(b),1),x.fillRect(a,0,1,152);

Oct 27 2016 7:52 PM UTC

}// 114/140

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New_Core

function u(t) {

x.fillStyle=R(b=2e3,b,b,0.1);x.fillRect(0,0,b,b);x.beginPath();for(i=b;i--;)x.lineTo(i/2*C(t)+i*S(g=t+i)+960,i/4*S(t)+i*C(g)+540);x.stroke()

Aug 21 2016 3:10 PM UTC

}// 140/140

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Show more comments…
u/iverjo

Dat tunl!
u/New_Core

maybe its a spinning chinese hat from top
u/iverjo

You're right, I can trick my brain into beliving that. Funky! It's like one of those illutions where you see different things based on how you look at it/think of it
u/iverjo

*believing
u/iverjo

Dwitter really needs an "edit comment" feature :P
u/lionleaf

Wow!!
u/giel

Nice!
u/lionleaf

#rotation #hat #in_or_out #lighting
u/joeytwiddle

#shiny
u/vain

Wow! Very nice!

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3bl3gamer

function u(t) {

for(i=2<<14;a=frame*8+i%8,b=i>>3,m=a-999,n=b-999,i--;)l=m*m+n*n,l<8e5&&(n*=C(l/3e5-2.6)),(((m/n+9999)%2)^(b/n%2))&&x.fillRect(a/2,b/2,.7,.7)

Aug 19 2016 8:05 AM UTC

}// 140/140

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Just to see hi-res version of this https://dweet.dwitter.net/id/281?autoplay=1

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u/3bl3gamer

Looks a bit better in FF
u/donbright

oh wow this is cool, space time warp!
u/joeytwiddle

#render
u/lionleaf

#slow_render #scanline
u/Lazy1337

One of the best dweets
u/kkingsbe

How is this possible lol

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sigveseb

function u(t) {

for(n=c.width=i=1e3,s=S(t),k=C(t);i--;x.lineTo(n*X/Z,n*Y/Z))F=S(i),U=C(i),V=(i&7)-3,_=V*s+F*k,Z=V*k-F*s+15,X=_*k-U*s+7,Y=_*s+U*k+3;x.fill()

Aug 8 2016 1:32 AM UTC

}// 139/140

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two-axis rotation

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u/sigveseb

and a quasi-reflective material
u/iverjo

Wicked!
u/iverjo

Btw, this is really slow in FF (~1 FPS) but fast in Chrome (looks like 60 FPS)
u/sigveseb

typical :P
u/3bl3gamer

FF, 30-50 fps
u/p01

Witchcraft!

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sigveseb

remix of d/405 by u/sigveseb

function u(t) {

for(n=c.width=i=2e3;i--;x.lineTo(1e3+n*X/Z,560+n*U/Z))F=S(i),U=C(i),V=i%5-2,Z=V*C(t)-F*S(t)+12+9*S(t/2),X=V*S(t)+F*C(t);x.stroke()

Aug 7 2016 2:04 AM UTC

}// 130/140

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u/iverjo

Very impressive!

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sigveseb

function u(t) {

c.width=512;x.beginPath();x.translate(256,128);(a=b=>{b&&a(b-1);x.rotate(1+S(t/99));x.lineTo(C(t+b/90)*b/8+b/4,9+S(t)*99)})(512);x.stroke();

Jul 21 2016 10:40 PM UTC

}// 140/140

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u/iverjo

Cool! If you had to give this a name, what would it be?
u/sigveseb

Dweety McDweetface
u/iverjo

lol
u/iverjo

Swirly McSwirlface

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