Dweets awesomed by u/firegodjr

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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nwahfetcher

remix of d/8876 by u/robbyg

function u(t) {

for(j=20,h=96;h--;)for(v=54;v--;)x.fillStyle=R(100*T(h*t),100*T(v*t),100*C(t*j*v)),x.fillRect(h*j,v*j,j,j)

Jul 16 2018 7:58 PM UTC

}// 106/140

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u/micahcowan

#MyEyes

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tobias

function u(t) {

r=Math.random
x.fillStyle=`hsl(${r()*360},90%,77%)`
x.filter="blur(1px)"
x.drawImage(c,0,0)
x.filter="none"
x.fillRect(r()*2e3,r()*1e3,1,1)

Jul 16 2018 5:35 PM UTC

}// 139/140

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u/robbyg

120 chars for more room to play: r=Math.random;with(x)fillStyle=hsl(${r()*360},90%,77%,filter='blur(1px',fillRect(r()*2e3,r()*1e3,1,1),drawImage(c,0,0)
u/micahcowan

(Fixed formatting) r=Math.random;with(x)fillStyle=`hsl(${r()*360},90%,77%`,filter='blur(1px',fillRect(r()*2e3,r()*1e3,1,1),drawImage(c,0,0)
u/elochimsiemasz

Duuude

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firegodjr

function u(t) {

p=Math.PI*2
with(x)for(i=0;i<p;stroke(),beginPath(strokeStyle=`hsl(${t*9},99%,50%`))
arc(960,540,S(i+t)*S(t+i*5)*150+300,i,i+=p/200)

Jul 13 2018 8:55 PM UTC

}// 132/140

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Strange Diamond

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Agnes

remix of d/8853 by u/soggypretzels

function u(t) {

c.width|=0;for(i=999;i--;){q=(i%2*2-1);x.rect(i*30-(q*t*9)-6000+q*i/9,q*300+(S(t+i/5)*99*q)-99,30,999)}x.fill('evenodd');

Jul 13 2018 8:50 PM UTC

}// 121/140

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Just showing how the weird "evenodd" argument to fill can let you not have to do globalCompositeOperation!

u/Xen

nice

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arkatect

function u(t) {

W=(S(t/2)+2)*40;for(i=1;i<7;){x.fillStyle=R(C(t)*100+200,S(t)*40+190);x.fillRect(S(t/i++)*800+990,C(t*i/5)*400+110,W,W)}x.rotate(0.006*S(t))

Jul 13 2018 1:31 PM UTC

}// 140/140

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atgz

remix of d/8839 by u/DataMeta

function u(t) {

for(c.width|=i=256;i--;)
x.fillRect(960+2*i*C(t+i*.979),512+S(t-i)*i*2,i/9,i/9)

Jul 12 2018 1:51 PM UTC

}// 79/140

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my name jeff

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DataMeta

remix of d/8494 by u/DataMeta

function u(t) {

c.style.background=R();for(c.width|=i=33;i--;)for(j=19;j--;)
x.fillStyle=R(255-j*8,0,i*7+j*9),x.fillRect(i*60,j*60,121*C(t-j),121*C(t-i))

Jul 10 2018 12:45 AM UTC

}// 137/140

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keithclark

remix of d/8806 by u/keithclark

function u(t) {

for(Z=L=52,c.width=L*4;Q=Z--/9;)for(Y=X=L;X>-L;x.fillRect(X--/Q*9+99,L+U/Q,9/Q,L))Y+=7*C(X/2^Q*2+t*9),x.fillStyle=R(U=Y<L?Y:L,Q*L+U,U/L<<8)

Jul 9 2018 10:15 PM UTC

}// 139/140

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Managed to create a flat sea. Had to trade off the nice distance fog effect.

Show more comments…
u/joeytwiddle

Awesome infinite #landscape
u/lionleaf

Amazing!
u/jylikangas

Love it! Well done!
u/iverjo

Wow!
u/lionleaf

#minecraft
u/zanella

Replace Y<L?Y:L with Y and you'll understand how the flat sea effect was achieved. Nice one. ;)
u/Conjuror

love it
u/vain

OMG - really hot shit :D

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Xen

remix of d/7687 by u/Agnes

function u(t) {

with(x)for(c.width|=i=29;i--;)for(j=13;j--;beginPath(lineWidth=j*9),arc(960,540,45*i,o=i*t+j,t%9/j+o),strokeStyle=R(t%19*j,i*j,i*7))stroke()

Jul 9 2018 7:23 PM UTC

}// 140/140

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Shoutz 2 Agnes

u/magna

Wild!
u/joeytwiddle

Oooh. Nice! :D
u/joeytwiddle

#spiral

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Xen

remix of d/8829 by u/UnacceptableUse

function u(t) {

for(x.beginPath(c.width=-1,i=299);i--;x.arc(150,85,t*t%i,i-t,t));x.stroke()

Jul 8 2018 6:14 PM UTC

}// 75/140

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Reality-Traverse

u/magna

Nice!
u/DataMeta

Cool! Just keeps on giving
u/micahcowan

#Rlyeh

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