New #Spiral 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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Current theme challenge: #Opposites

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rodrigo.siqueira

remix of d/21206 by u/rodrigo.siqueira

function u(t) {

for(i=2e3,f=g=>i*g(i/30)*g(i/t)**.3;i--;x.fillRect(900+f(C),500-f(S),9/t,(9/t)))x.fillStyle=`hsl(${t*i/5},80%,${S(i*i/1e5+t)*99}%,.1`

Jan 13 2021 1:04 PM UTC

}// 133/140

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Smoky spiral #spiral

u/Xen

nice!
u/magna

#cryptoart
u/joeytwiddle

Looks dirty. I like it.
u/joeytwiddle

#dirty

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rodrigo.siqueira

remix of d/21197 by u/rodrigo.siqueira

function u(t) {

for(i=2e3,f=g=>i*C(i+S(t)**4)*g(i/70)*T(i/999);i--;x.fillRect(960+f(S),540+f(C),9/t,9/t))x.fillStyle=`hsl(${i/t/80},99%,${S(i-t)*99}%,.1`

Jan 8 2021 1:10 PM UTC

}// 137/140

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Cubist Spiral #spiral

Show more comments…
u/ciaccodavide

Bueautiful! *^*
u/danny@hille.dk

Incredible, love it!
u/Xen

nicely done!
u/DataMeta

this is so rad
u/taupelink

trippy
u/joeytwiddle

That is rich

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rodrigo.siqueira

remix of d/21095 by u/rodrigo.siqueira

function u(t) {

x.globalAlpha=.1
for(i=2e3,f=g=>i*C(i)*g(i/t/99)/t;i--;x.fillRect(960+f(S),540+f(C),9/t,9/t))x.fillStyle=`hsl(${t*i/9},99%,${C(i+t)*99/t}%`

Jan 7 2021 9:52 PM UTC

}// 139/140

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Fuzzy color double spiral #spiral

u/Xen

nice!
u/magna

Nice technique/style! Looks like sooty/mossy concrete. #texture

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rodrigo.siqueira

remix of d/20838 by u/rodrigo.siqueira

function u(t) {

for(i=3e3,f=g=>i*g(i%2?i*i:i**t);i--;x.fillRect(960+f(S)*C(t),540+f(C)*C(t),K=4/(1+t),K))x.fillStyle=R(i/99,i/3,i,),c.style='filter:invert('

Nov 29 2020 4:28 PM UTC

}// 140/140

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Particle collision and decay - Hadron Collider #spiral

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rodrigo.siqueira

remix of d/20815 by u/rodrigo.siqueira

function u(t) {

for(i=3e3,f=g=>i*C(i*i)*g(i+t*(t>4));i--;x.fillRect(960+f(S)*C(t/3),540+f(C)*C(t/3),1,.5))x.fillStyle=R(i,i/9),c.style='filter:invert('

Nov 28 2020 5:01 PM UTC

}// 135/140

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Starry night swirl #spiral

u/jellyedwards

Wow that's beautiful! #waitforit
u/ElderLord7777

how do I see the code?

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rodrigo.siqueira

remix of d/20796 by u/rodrigo.siqueira

function u(t) {

for(i=3e3,c.width|=f=g=>i*C(i)*g(i/8+t)/8;i--;x.fillRect(510+870*(i%2)+f(S),540+f(C),5,5))x.fillStyle=R(i/99,i/9,i),c.style='filter:invert('

Nov 25 2020 7:04 PM UTC

}// 140/140

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Rotating double spirals #spiral

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rodrigo.siqueira

remix of d/20790 by u/rodrigo.siqueira

function u(t) {

for(i=4e3,c.width|=f=g=>i*(S(i-t/5)/8)*g(i/128+t);i--;x.strokeRect(960+f(C)*(1.2+C(t/2))*(1.2+C(t))*2,540+f(S),2,2))c.style='filter:invert('

Nov 24 2020 1:22 PM UTC

}// 140/140

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Stardust spiral web galaxy #spiral

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ciaccodavide

remix of d/20626 by u/ciaccodavide

function u(t) {

if(t<1)for(n=1337;n--;)g+=.1,r=g,x.moveTo(960+C(p)*r,540+S(p)*r),x.lineTo(960+C(g)*r,540+S(g)*r),p=g;x.stroke()}{g=0,p=0

Nov 15 2020 10:19 PM UTC

}// 120/140

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Perfect spiral

u/tomxor

#moire #spiral

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rodrigo.siqueira

remix of d/20499 by u/rodrigo.siqueira

function u(t) {

c.style.filter=`sepia(`
!t&&x.translate(960,540)
if(t<1.5)x.lineWidth=2/t,x.rotate(t/9),d=360*(1-S(t))
x.strokeRect(-d,-d,2*d,2*d)

Nov 8 2020 8:47 PM UTC

}// 130/140

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Framed flower #spiral

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rodrigo.siqueira

remix of d/20500 by u/rodrigo.siqueira

function u(t) {

 `﷽﷽${π=3.14}﷽﷽`
	!t&&x.translate(850,590);if(t<π)x.lineWidth=π,
x.rotate(t/18),λ=950*(1-S(t/2));x.strokeRect(-λ*3,-λ,2*λ,λ*2);
`﷽﷽﷽﷽﷽`

Nov 6 2020 10:55 PM UTC

}// 135/140

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if ( t < π ) { Deep Spiral } with lineWidth = π pixels #spiral (made of squares)

u/Xen

Nice code!

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