Dweets awesomed by u/3D.ceffo

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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Current theme challenge: #Food

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magna

remix of d/2588 by u/magna

function u(t) {

w=c.width|=0;x.fillRect(0,0,w,w);x.clearRect(100,470,1720,140);x.fillRect(110,480,1700,120);x.clearRect(120,490,(t-(t|0))*1680,100)

Aug 24 2017 4:07 AM UTC

}// 131/140

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dweet player loader mark 2

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Xen

remix of d/3094 by u/Xen

function u(t) {

for(c.width|=a=139;--a;)x.arc(900+a*C(t*t/a),500+a*S(t*a/9),a*6,-t%4,t%3);
x.fill('evenodd')

Aug 23 2017 1:28 PM UTC

}// 92/140

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u/cantelope

*.*
u/magna

WAT
u/donbright

!!!
u/Xen

you are feeling sleepy....good now send xen a beer :D

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artfarnaa

remix of d/3091 by u/joeytwiddle

function u(t) {

c.width|=k=960;for(a=36;--a;x.arc(k+(b-k)*S(t+b/50)/2,540+(b-k)*C(t/3-b/50)/2,b*3,0,7))f=a+7*t%2,b=f*f,x.moveTo(G=b|0,0);x.fill('evenodd')

Aug 21 2017 5:55 PM UTC

}// 138/140

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u/donbright

very fast paced, very cool

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joeytwiddle

remix of d/3090 by u/artfarnaa

function u(t) {

c.width|=k=960;for(a=25;--a;x.arc(k+(b-k)*S(t+b/210)/2,540+(b-k)*C(t/3-b/210)/2,b*3,0,7))f=a+7*t%2,b=f*f,x.moveTo(G=b|0,0);x.fill('evenodd')

Aug 21 2017 3:50 PM UTC

}// 140/140

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u/artfarnaa

Very nice. Lots of unexplored ideas around this basic algorithm.
u/sigveseb

Looks like the donut from Intrinsic Gravity: http://www.pouet.net/prod.php?which=64756
u/donbright

groove is in the heart...
u/3D.ceffo

Logical mistery tour!
u/joeytwiddle

#tunnel See also: d/15643

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cantelope

function u(t) {

if(!t){w=1080;p=0.618;s=1.5708}with(x)lineWidth/=p,strokeRect(0,0,w,w),arc(w,w,w,s*2,s*3),stroke(),translate(w+w*p,0),rotate(s),scale(p,p)

Aug 21 2017 12:51 AM UTC

}// 138/140

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best fullscreen. Couldn't have done it without the help of the dark knight, who prefers to remain anonymous. :)

u/donbright

yeahhhhh!!!!! cool
u/cantelope

there's an odd bug in chrome where if hardware acceleration is disabled, or the dweet appears far down the page, the arcs close their paths and create unwelcome diagonal lines. I have a more robust version but it does not fit in 140b.
u/katkip

#fibonacci

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yokljo

function u(t) {

n=127
m=960
x.fillStyle=R(S(t*7)*n+n,C(t)*n+n,S(t*23)*n+n)
x.fillRect(C(t/Math.PI*5)*m+m,0,10,10)
x.drawImage(c,S(t),10)

Aug 20 2017 11:14 PM UTC

}// 120/140

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This was only running at 20 fps on my phone when I wrote it so results may vary

u/Galaxtone

.... Maybe add t/=3
u/Galaxtone

Looks much better with that

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Xen

remix of d/3077 by u/alien

function u(t) {

W=c.width=200
b=x.getImageData(0,0,W,W)
d=b.data
for(i=d.length;i-=4;d[i|i+frame*W>>9]=W*T(t)){d[i+3]=W}x.putImageData(b,0,0)

Aug 20 2017 8:23 PM UTC

}// 125/140

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