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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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veubeke

remix of d/8381 by u/andc2600

function u(t) {

c.width=W=1920
for(i=0;i<3;x.fillStyle=i<2?'#c00':'#fc0')
x.fillRect(0,i++*360,W,360)
x.font='250px"'
x.fillText('💩',W/2-120,640)

Jun 4 2018 10:30 AM UTC

}// 129/140

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u/andc2600

fixed very well

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andc2600

function u(t) {

c.width=16
x.fillRect(0,0,16,3)
x.fillStyle=R(208,0,0)
x.fillRect(0,3,16,3)
x.fillStyle=R(255,206,0)
x.fillRect(0,6,16,3)

Jun 4 2018 1:58 AM UTC

}// 121/140

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u/zanella

We'll never forget the 7x1. NEVER.

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S.T.L.K.R.

function u(t) {

c.style.background=R(200,k=T(t)*9,k)
x.font="200px s"
x.fillStyle=R(l=255-k,l,l)
x.fillText("FUNK",700,450)
x.fillText("OVERLOAD",450,650)

Jun 4 2018 12:24 AM UTC

}// 138/140

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RA RA RA Rasputin

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BirdsTweetCodersDweet

remix of d/3697 by u/Citiral

function u(t) {

w=1920;for(c.width=i=w;i>=0;i-=10)for(j=0;j<1080;j+=10){i2=i-w/2;j2=j-1080/2
d=Math.hypot(i2,j2)*t
o=9+C(d-t*5)*5
x.fillRect(i,j,o,o)}

Jun 3 2018 1:53 PM UTC

}// 134/140

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u/katkip

#moire

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DataMeta

function u(t) {

p=Math.PI;j=(t*1920)/p;r=Math.random();m=Math.random();x.fillStyle=R(T(t)*192,96/m,96/r,.9);x.fillRect(-j%1920+1680,j%1080-8,250,64)

Jun 2 2018 4:56 AM UTC

}// 132/140

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Show more comments…
u/uchenna

i have been trying to implement this on my project please help me, thanks
u/DataMeta

You're more than welcome to mess around with this code. What exactly do you want help with?
u/sukkamehu

a bit golfed version.. p=3.14;j=(t*1920)/p;z=Math.random;r=z();m=z();x.fillStyle=R(T(t)*192,96/m,96/r,.9);x.fillRect(-j%1920+1680,j%1080-8,250,64)
u/DataMeta

Thanks! I was meaning to check how to declare functions in javascript... Although I find that at least 3.146 is needed to closely replicate pi, so ill usually take the 3 extra chars
u/sukkamehu

ok nice dweet though
u/DataMeta

appreciate it
u/DataMeta

I wonder is there's a tag for fps graph glitch-outs.
u/DataMeta

#fpsgraphglitch (yes this is silly)
u/DataMeta

#glitch

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pythech

remix of d/8285 by u/S.T.L.K.R.

function u(t) {

x.a=x.moveTo
x.b=x.bezierCurveTo
c.onmousemove=e=>v=e.x
with(x)for(c.width=k=p=360;p-=9;b(!a(!stroke(),p),p,p,v,k,p),a(p,0),b(p,0,v,p,p,k));

May 29 2018 1:26 PM UTC

}// 140/140

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Hover your mouse over the canvas to see the effect

u/deobfuscate

#interactive

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Xen

remix of d/8252 by u/prplz

function u(t) {

r=Math.random
for(i=1e3;i--;x[S(((22-y)**2+(13-z)**2)**.2-t*C(t/i))**5>.2?'clearRect':'strokeRect'](y*T,z*T,9,T=44))y=r()*T,z=r()*T

May 28 2018 12:38 PM UTC

}// 131/140

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little test

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sawaxon

function u(t) {

c.width|=0;for(j=0;j<99;j++)for(i=0;i<8;i++){x.fillStyle=`hsl(${i*40},99%,50%)`
x.fillRect(j*9,400+i*50+S(j/40+t*3)*150,9,50)}

May 24 2018 3:09 PM UTC

}// 127/140

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u/joeytwiddle

nya nya nya nya nya, nya nya nya nya nya

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sukkamehu

remix of d/6812 by u/jonathan_b

function u(t) {

with(x)for(i=1920;i-=40;beginPath(fill()))r=C(t)*25,arc(920+r+T(r/9)*99,540+r/3*C(i+t*2),i,0,7),fillStyle=`hsl(${t*99%260},70%,${99-i/9}%)`

May 21 2018 1:45 PM UTC

}// 139/140

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sukkamehu

remix of d/8155 by u/kcsongor

function u(t) {

m=1000
w=160
for(i=0;i<m;i++)for(j=1;j<4;j++){if(!i)c.width=1920;x.fillRect(960+C(9*i*t/m)*j*w, 600+S(8*i*t/m)*j*w-40, 8*i/m+j, 8*i/m+j);}

May 21 2018 1:11 PM UTC

}// 138/140

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