Top #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/18807 by u/rodrigo.siqueira

function u(t) {

for(i=2e3,f=(X,Y,n=72)=>X+Y<n?f(X*X-Y*Y-.8,2*X*Y+.2,n-1):x.fillStyle=`hsl(${n},80%,${n*2}%`;i--;x.fillRect(i,t*60,1,9))f(i/8e3-.2,.7-t/99)

May 16 2020 11:50 PM UTC

}// 138/140

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White Orange #Julia #Spiral zoom

u/joeytwiddle

Peach and leafy

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New_Core

remix of d/2822 by u/hamoid

function u(t) {

a=9*S(t)
b=9*C(t)
x.fillStyle=`hsl(${t*50},99%,50%`
for(i=11;i--;x.globalCompositeOperation='hue')x.fillRect(960+i*a+t*a,540+i*b+t*b,20,20)

Jul 2 2017 10:04 AM UTC

}// 139/140

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u/donbright

this looks great...
u/13thptr

#spiral

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rodrigo.siqueira

remix of d/32378 by u/rodrigo.siqueira

function u(t) {

                                   `꩜`




for(x.reset(ට=5e3);ට;)x.fillRect(960+S(ට--/99)*ට/9,540+C(ට/99+.2)*ට/20+S(t*3)*(1-ට/5e3)*450,5,5)

Sep 6 2024 7:13 PM UTC

}// 140/140

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꩜ Bouncing line (spiral version) ꩜ #spiral

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rodrigo.siqueira

remix of d/31948 by u/rodrigo.siqueira

function u(t) {

c.style.filter=`invert(`
t?x.drawImage(c,~x.fillText('Dwitter',~x.scale(s=1-T(2/++t)/35,s),-59),~x.rotate(3.14/2/4)):x.translate(1030,570)

Jun 7 2024 1:24 PM UTC

}// 138/140

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#dwitter #spiral

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rodrigo.siqueira

remix of d/28702 by u/rodrigo.siqueira

function u(t) {

c.style.filter=`invert()`
for(a=b=t,i=7e4;i--;b-=b/5+C(a*3),a+=(i/b&i%2)*3.4-b*S(a*2.2)/8-a*a/4.2)x.fillRect(b*1200+1810,3380-a*5800,.2,t<3)

Oct 18 2023 12:43 PM UTC

}// 140/140

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Complexity #spiral

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rodrigo.siqueira

remix of d/28168 by u/rodrigo.siqueira

function u(t) {

for(i=2e4;i--;x.fillRect(282+(-i%2|1)*C(K=i/1e4*a/3+1/a)*540*a+450*(i%2+1),300+S(K)*550*a,t<2,.1))a=(i*i/t)%2-2

Jul 30 2023 2:47 AM UTC

}// 111/140

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Spiral eyes #spiral

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rodrigo.siqueira

remix of d/24899 by u/rodrigo.siqueira

function u(t) {

with(x)for(i=999;i--;fillRect(~setTransform(s=1e4/i,0,0,s,630+i%2*710+5*s*C(i+t),540+s*S(i+t)*3),C(i/6)*2,2,2))fillStyle=R(i*S(t),i/2,i,.1)

Feb 10 2022 1:50 AM UTC

}// 139/140

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Double spiral interactions #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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rodrigo.siqueira

remix of d/20128 by u/rodrigo.siqueira

function u(t) {

with(x)for(c.width|=j=62,translate(960,r=500);j--;scale(.9,.9))rect(-155,150,r/3,r/3),rotate(-.49*(1-S(j/(6+5*S(t-1 )))/9));x.fill`evenodd`

Sep 29 2020 3:29 PM UTC

}// 139/140

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Living ammonite seashell #spiral #organic

u/danny@hille.dk

glitchy version with(x)for(c.width|=j=50,translate(960,r=500);j--;scale(.9,1))rect(-299,299,r/2,r/2),rotate(-.3*S(Math.random()-C(t))) x.fillevenodd

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rodrigo.siqueira

remix of d/17474 by u/rodrigo.siqueira

function u(t) {

c.width+=0
v=(a,b,Φ,r,N)=>{for(i=0;i++<r;)x.fillRect(a-=S(p=Φ/2),b+=C(p),s=r/30,s)
r>6&&v(a,b,Φ+N,r*=.8,N-S(t/2)/2)}
v(1200,0,S(t*2),840,3)

Feb 4 2020 1:59 AM UTC

}// 139/140

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Swinging #spiral maker

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