Dweets awesomed by u/Xen

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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robbyg

remix of d/8556 by u/Xen

function u(t) {

t&&x.drawImage(c,0,3)
for(Z=i=360;i--;x.fillRect(i*9-C(t+t-S(i/19))*Z-Z,0,Z,3))x.fillStyle=`hsl(${S(i)*Z},${z=25+i%55}%,${z*.8}%)`

Jun 12 2018 9:12 PM UTC

}// 130/140

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u/Xen

looks tasty, makes me hungry!
u/joeytwiddle

Yes, yummy. #rainbow

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DataMeta

remix of d/8266 by u/DataMeta

function u(t) {

c.width|=0;p=Math.PI;k=42;for(i=3;i<32;i++){x.lineWidth=i+4;x.beginPath();x.arc(960,540,i*36+S(t/p*i)*k,i*p+S(t-i),i**i);x.stroke()}

Jun 12 2018 9:03 PM UTC

}// 132/140

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Decrease k for a more mellow experience, increase it (up to 108) for more intensity

u/joeytwiddle

*Xen puts in 109*
u/Xen

That 2e2 Though ;-)

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Xen

remix of d/8572 by u/firegodjr

function u(t) {

for(c.width|=Z=i=550;i--;x.beginPath(x.strokeStyle=`hsl(${i*t^Z},90%,20%)`))for(j=2;j--;x.stroke())x.lineTo(2e3*j,Z+C(t+i-j*S(t)*2)*Z)

Jun 12 2018 8:43 PM UTC

}// 134/140

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New_Core

function u(t) {

for(b=c.width|=i=40;i--;x.fill())x.beginPath(),x.fillStyle=`hsl(${i*i},99%,50%)`,x.ellipse(i*199%b+99*S(a=t+i),1200-a*i*20%1300,80,99,0,0,7)

Jun 12 2018 5:06 PM UTC

}// 140/140

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Almost balloons..

u/lionleaf

#baloons #colorful

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lazyguyy

function u(t) {

                       t*=6.27;a=(2+C(5*t));b=a*S(3*t);a*=C(3*t);x.fillStyle=R(a*100,b*100,255-a*100);x.fillRect(960+a*280,540+b*170,15,15)

Jun 12 2018 2:51 PM UTC

}// 139/140

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simple colorful torus knot

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PeerHenry

function u(t) {

c.width=1920
for(j=0;j<12;j++){
for(i=0;i<1000;i++){
var q=t+(1+S(t))*C(t+3)
x.fillRect(80*(1+S(i+t)+2*j),10+i,17+16.5*C(q),11+10.5*S(q))
}}

Jun 12 2018 11:45 AM UTC

}// 140/140

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u/robbyg

118 chars, if you want more room to play: c.width|=0;for(j=12;j--;)for(i=1e3;i--;)x.fillRect(80*(1+S(i+t)+2*j),10+i,17+16.5*C(q=t+(1+S(t))*C(t+3)),11+10.5*S(q))

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DataMeta

remix of d/6525 by u/bepisTM

function u(t) {

for(i=50;i--;)x.fillStyle=`hsl(${i-32*t},80%,${i+20-32*S(5*t+i)}%)`,x.fillRect(i*80,900+750*(X=(t+i/7)%2)**4.1-1500*X,80,200)

Jun 11 2018 11:54 PM UTC

}// 125/140

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u/Xen

nice style

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Xen

remix of d/8559 by u/tobias

function u(t) {

for(d=480,c.width=4*d,a=0;a<99;a++)x.moveTo(s=d*(2+S(a)),o=d+d*C(a)),x.lineTo(s+d*S(z=a*T(t/31*C(t)))-d*S(a),o+d*C(z)-d*C(a)),x.stroke()

Jun 11 2018 11:13 PM UTC

}// 136/140

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firegodjr

remix of d/8543 by u/firegodjr

function u(t) {

x.beginPath()
c.width|=0
for(i=500;--i;)x.lineTo(S(k=i*(400001+(S(t)*.0008))+t)*C(i)*400+900,C(k)*400+500)
x.fill("evenodd")

Jun 11 2018 9:03 PM UTC

}// 124/140

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Subtle Adjustments ;)

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Xen

remix of d/8543 by u/firegodjr

function u(t) {

for(x.beginPath(c.width|=Z=i=600);--i;)x.lineTo(S(k=i*2+t-C(t+i*4))*C(i)*Z+900,C(k)*Z+Z)
x.fill("evenodd")

Jun 11 2018 7:32 PM UTC

}// 106/140

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Entity

u/firegodjr

It Knows All

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