New #Rainbow dweets

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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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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Xen

remix of d/8111 by u/loernz

function u(t) {

for(i=2e3;i--;x.fillStyle=`hsla(${i*C(t*2)+h},90%,50%,.02)`)x.fillRect(960+(h=S(i+t)*i/2),i-i/3-C(5*t+i/2e3+h*h/1e9)*h*i/4e3,s=169/i**.1,s)

May 16 2018 10:47 PM UTC

}// 139/140

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slight tweak

u/joeytwiddle

#rainbow

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CocoMeister

remix of d/7772 by u/CocoMeister

function u(t) {

d=new Date()
for(i=0;i<1920;i++){
x.fillStyle="hsl("+i/3+",90%,50%)"
x.fillRect(t*Math.random()*100,i,d.getHours()+6,d.getMinutes()*2+1)
}

Apr 28 2018 7:01 PM UTC

}// 138/140

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Timed rainbow #color #time #rainbow

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SpecterPainter

function u(t) {

x.fillStyle="#3061"
x.fillRect(0,0,2e3,2e3)
for(i=-9;i<1900;x.fillStyle=`hsl(${i/9%214},99%,60%)`)
x.fillRect(i+=3,540*(1+T(t+i/7)/3),21,31)

Apr 26 2018 5:33 PM UTC

}// 140/140

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u/firegodjr

Rainbow carbon fiber!
u/prplz

really cool stuff
u/iverjo

#rainbow

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CocoMeister

function u(t) {

for(i=0;i<1920;i++){
y=t*i*Math.random()
x.fillStyle="hsl("+y/3 +","+i+"%,50%)"
x.fillRect(i*Math.random(),y,15,15)
}

Apr 24 2018 6:53 PM UTC

}// 117/140

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#rainbow

u/CocoMeister

#color

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CocoMeister

function u(t) {

c.onmousemove=e=>m=e
c.width=1920
for(i=7000;i>=0;i-=20){x.fillStyle="hsl("+C(t/3)*i*4+",90%,30%)"
x.fillRect(m.x-i/2+700,m.y-i/2+500,i,i)}

Apr 24 2018 6:39 PM UTC

}// 139/140

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#rainbow #mouse

u/lionleaf

#interactive

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BalintCsala

function u(t) {

for(c.width=i=800;i--;x.fillStyle=`hsl(${i+t*50},80%,50%`)x.fillRect(S(i/99+t/2)*99/(z=i/300)-(w=99/z)/2+400,(99+S(i/50+t)*60)/z+200,w,9/z);

Apr 15 2018 3:41 PM UTC

}// 140/140

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Rainbow road

u/aleamb

nice colors!
u/iverjo

#rainbow

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snydej

remix of d/6785 by u/PietPtr

function u(t) {

with(x)for(i=364;i--;beginPath(fill()))for(fillStyle=`hsl(${(t+i)*79},50%,50%)`,j=6;j--;)lineTo(i%28*79+50*C(s=j+j/21),i%26*45+50*S(s))

Feb 14 2018 7:21 PM UTC

}// 135/140

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Jezza

function u(t) {

f=C(t),g=100,k=3**f-2*C(4*t)-S(t/12)**5,x.fillStyle=`hsla(${t*g},100%,50%,.1)`,x.arc(960+S(t)*k*g,540-f*k*g,20,0,7),x.fill(),x.beginPath();

Jan 29 2018 10:05 AM UTC

}// 139/140

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Watercolour butterfly!

u/Punky

Cute!
u/donbright

:)
u/joeytwiddle

#rainbow #butterfly #cute

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Yogeshp3

remix of d/6244 by u/RUNIE

function u(t) {

c.width|=v=32
for(l=0;l<572;l++)d=l%v*v,x.fillStyle=`hsl(${t*150-d},99%,65%)`,x.fillRect(960+S(r=(1/C(t-d/5))+l/v*.35)*d,540+C(r)*d,v,24)

Jan 22 2018 4:19 PM UTC

}// 137/140

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washing machine swirel

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