Dweets awesomed by u/Run

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: #Opposites

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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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aemkei

function u(t) {

for(c.width=90,b=[a=this.b||0],i=3e4;i--;x.fillRect(i%90,i/90,1,b[i]=a?3==d|a[i]&2==d:24*i%7%2))for(d=0,j=5;e=87*(2<j--)+j;)d+=a[i+e]+a[i-e]

Feb 19 2017 10:33 PM UTC

}// 140/140

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u/lionleaf

wow, awesome! Game of life!
u/iverjo

Impressive
u/aemkei

Based on aem1k.com/life
u/aemkei

#gameoflife

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xem

remix of d/645 by u/xem

function u(t) {

for(i=j=0;i<
118;j+={0:17,3:11,11:11,55:54,87:54,69:-68,101:-68}[i++]|1)x.fillStyle=R(i,i+99,i*3,1),x.fillRect(j%18*99,~~(j/18)*99,90,90)

Feb 17 2017 10:36 PM UTC

}// 137/140

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u/lionleaf

Awesome periodic table!
u/iverjo

wow, impressive!
u/xem

thanks! More info on http://codegolf.github.io/period1k/
u/KilledByAPixel

Nice! #periodic #periodictable

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Run

remix of d/605 by u/finninde

function u(t) {

c.width=400;for(i=0;i<32;i++){/*the game*/x.fillRect(15,i*23,(i*256),0.5*S(t)*i*3)
x.fillRect(i*30,20, S(t)*i*3,(i*256))}

Jan 14 2017 5:06 PM UTC

}// 121/140

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u/wellsfar

http://wellsfargodealerservicesreview.com/
u/wellsfar

<a href="http://wellsfargodealerservicesre… fargo dealer services</a>

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Run

remix of d/481 by u/New_Core

function u(t) {

c.width=600;for(i=t;i--;)x.beginPath(),x.arc(250+30*S(a=t+i%2),125+30*C(a*.8),21*(i%19),0,7),x.lineWidth=17,x.strokeStyle=R(i*8),x.stroke()

Jan 14 2017 4:48 PM UTC

}// 139/140

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u/tapgiles

A bit twitchy, isn't it? ;P

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julie

function u(t) {

c.width=2e3;for(i=9;i--;)for(j=9;j--;)x.beginPath(),x.arc(i*250+S(t*i)*99, j*99+C(t*j)*99,50,0,7),x.fillStyle=R(S(t*j)*999,0,99),x.fill()

Jan 14 2017 4:45 PM UTC

}// 137/140

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lionleaf

remix of d/45 by u/lionleaf

function u(t) {

c.width=2e3;x.translate(970,400);for(i=0;i++<30;)x.fillStyle='hsl('+i*9+',50%,50%)',x.transform(-1,C(t+1),S(t),-1,0,0),x.fillRect(i,i,99,99)

Jan 14 2017 4:42 PM UTC

}// 140/140

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Fruit ninja #dweetoff

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Run

function u(t) {

x.fillStyle=R(S(t/3)*255,S(1+t/3)*255,S(2+t/2)*255);
t*=10;
x.fillRect(960+460*S(t/4)*t/270,540+460*C(t/4)*t/270,55,55);

Jan 14 2017 4:34 PM UTC

}// 120/140

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iverjo

remix of d/89 by u/iverjo

function u(t) {

c.width=2e3;for(i=5e3;i--;)p=3*t+S(t/8)*i/3e3+i%4/2,d=C(p)-S(p),d>0&&x.fillRect(960+199*S(p)+249*S(t/.7+i/6e3),i/4-2,299*d,1/(d+1))

Jan 14 2017 4:31 PM UTC

}// 131/140

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iverjo

remix of d/50 by u/iverjo

function u(t) {

k=260;c.width=2e3;for(i=9;i++<5*k;)p=t+i/k+i%8*5,s=3/(10-p%9),x.beginPath(),x.arc(79*T(p*S(t/9)+1)+i%8*k,550*s,49*s*S(i/k),i,i+7),x.stroke()

Jan 14 2017 4:28 PM UTC

}// 140/140

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u/hamptonio

Its like a C.elegans dance party.
u/CliffJonesJr

Leeches!!!

dwitter.net | Run (2028)