Dweets awesomed by u/Norgg

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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BNeutral

function u(t) {

w=t/1.4;s=100/t;v=80/t;x.fillStyle=R(255*S(w));x.fillRect(v*16*Math.pow(S(w),3)+960-s/2,540-s/2-v*(13*C(w)-5*C(2*w)-2*C(3*w)-C(4*w)),s,s);

Feb 24 2017 9:54 AM UTC

}// 138/140

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u/Kalanchoe

cute!
u/iverjo

#heart
u/ItzChimp

Do you have to use Math.pow here? Can't you use ** instead?

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Norgg

remix of d/1089 by u/Norgg

function u(t) {

w=1e3;h=600;r=Math.random;c=C(t);for(i=0;i<99;i++){x.strokeStyle=R(t,0,i*r(),0.1);x.strokeRect(w+t*S(t)*i/9e3*w,h+c*h/2,c*r()*20,c*r()*20);}

Feb 23 2017 9:59 PM UTC

}// 140/140

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u/donbright

awesome slow burner. really builds up an interesting pattern.
u/joeytwiddle

#wait_for_it #generative

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Norgg

function u(t) {

w=2e3;h=1e3;r=Math.random;for(i=0;i<300;i++){x.fillStyle=R(i*r());x.fillRect(w/2+S(t)*r()*w/2,h/2+C(t)*r()*h/2,C(t)*40,C(t)*40);}

Feb 23 2017 9:43 PM UTC

}// 129/140

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u/donbright

really cool, like autumn leaves or something!

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p01

function u(t) {

for(d=2e3;d--;x.fillRect(960+d*C(a),540+d*S(a),24,24))a=Math.random()*6.3,x.fillStyle=R(e=255*C(t-1e3/d*S(t-a-C(a*99/d))),99*S(a-e/d),6e4/d)

Feb 22 2017 11:45 PM UTC

}// 140/140

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u/sigveseb

Nice!
u/ninerdelta

wow!
u/p01

Thanks :)
u/ArtsyBiker1

Awesome!
u/TheGreatRambler

Messing with my brain!
u/lionleaf

#tunnel

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donbright

function u(t) {

c.width=900;半=450;for(i=0.0;i<360;i+=1){x.lineTo(半+C(i*t/10)*i,半*9/16+S(i*t/10)*i)};x.stroke();

Feb 22 2017 2:31 AM UTC

}// 95/140

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Show more comments…
u/lionleaf

Starts off nice looking and becomes extremely trippy and hypnotic!
u/inviso

mesmerizing
u/ilSilvano

wow that escalated quickly.
u/elanimus

someone tell me how to run this please
u/Xen

Golfed and tweeked, #2909 ;-)
u/sparr

This is a browser glitch, right? It only looks cool because the browser starts using too few segments to draw the spiral. Would be boring in a fixed browser.
u/Haabilo

@sparr Not really a glitch. The code uses lineTo as means to straw the lines. It also sets the maximum amount 5
u/Haabilo

...of the segments. Damn, I didn't think mistapping backspace on mobile would send the comment as-is...
u/ArtsyBiker1

Awesome
u/blackvitriol

welcome to time travels :)
u/hoppla1232

Sir Moire apprecetiates this
u/Freak

This is like one of those nightmares I have where everything keeps on getting faster and it scares me and I love it
u/joeytwiddle

This is for me the definitive dwitter dweet #spiral
u/geb

#background

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