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: #Food

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rodrigo.siqueira

remix of d/17222 by u/tomxor

function u(t) {

c.style='filter:invert(1'
for(a=b=0,i=1e4;i--;x.fillRect(a*960,680-b*540,1,.2))r=0|9*S(i*i)**2/8,a+=r-a/4+b*S(a*3)/3,b+=r*t/4-a*b/2+C(a*3)/3

Jan 26 2020 7:28 PM UTC

}// 140/140

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Spiral fibers

u/tomxor

wow, feels like ice hairs at the start
u/katkip

#spiral
u/katkip

It gets more beautiful if you #waitforit

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rodrigo.siqueira

remix of d/32752 by u/rodrigo.siqueira

function u(t) {

c.style='filter:invert()'
for(a=b=t,i=4e4;i--;b+=C(a*3)/4-a*b/6,a+=r*.5+b*S(a*3)/5-.2*a)i&8&&(r=i/b&1),x.fillRect(a*2000-199,b*780+300,.1,1)

May 17 2025 2:59 PM UTC

}// 140/140

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Deep ornate #fractal #spiral

u/magna

INCREDIBLE!

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magna

remix of d/33748 by u/rodrigo.siqueira

function u(t) {

eval(unescape(escape`󩭯󬬨󪜽󝝥󜼻󪜭󛜻󮌮󩭩󫍬󤭥󨽴󚌹󝬰󚼹󚭳󚭃󚍩󚜬󝜴󜌫󞜪󬼪󤼨󪜩󛍳󛍳󚜩󮌮󩭩󫍬󤽴󮝬󩜽󤬨󨼽󞜹󚭓󚍴󚽩󚭩󚜬󨼪󜼬󨼪󝌬󛬰󝼩󛍳󟜨󪜯󞜫󭌪󝼩󙜱󜼸󛍩󟌹󙬦󮌮󨽬󩝡󬭒󩝣󭌨󝌰󜌫󪜪󜜰󜌫󤼨󭌩󚬳󜌰󛌴󜌰󛌵󜌬󜬰󜌩`.replace(/u../g,'')))

May 9 2025 7:25 PM UTC

}// 123/140

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Emission with compulsory #default

u/rodrigo.siqueira

The central generative #spiral is revealed through the fading of the #default

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rodrigo.siqueira

remix of d/31984 by u/rodrigo.siqueira

function u(t) {

eval(unescape(escape`󨼮󬽴󮝬󩜽󙽨󩝩󩽨󭌺󞝩󫬻󩭩󫍴󩝲󞭩󫭶󩝲󭌨󙼊󩍯󨽵󫝥󫭴󛭤󫽣󭝭󩝮󭍅󫍥󫝥󫭴󛭳󭍹󫍥󛭯󭭥󬭦󫍯󭼽󙽡󭝴󫼧󒭦󫽲󚍡󟝢󟝴󛍩󟜲󩜴󞽩󛜭󞽢󚼽󠼨󨜪󜼩󛼶󛝡󚭢󛼶󛍡󚼽󬬯󜬫󨬪󤼨󨜪󜼩󛝡󛼹󚝩󙬸󙬦󚍲󟝩󛽢󙬱󚜬󮌮󩭩󫍬󤭥󨽴󚍢󚬹󞜹󚼹󞜹󛍡󚬲󝼰󛌮󜜬󭌼󜼩`.replace(/u../g,'')))

Jun 13 2024 4:16 PM UTC

}// 138/140

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Alien Spiral with scrollbar #hack #spiral

u/aaaaaz

damn looks like multi scale turing pattenr https://softologyblog.wordpress.com/2011/07/…

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rodrigo.siqueira

remix of d/25894 by u/rodrigo.siqueira

function u(t) {

for(K=X=-540;X<-K;X++)for(Y=K;Y<-K;Y++)h=S(2*Math.atan(Y/X)+Math.log(Math.sqrt(X*X+Y*Y))*9),h<S(X*Y/h)&&x.fillRect(960-X,Y-K+t,1,t<.1)

Jul 30 2022 4:57 PM UTC

}// 134/140

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Spiralnebel (Spiral Nebula), a more accurate translation from the original C64 code. #spiral Original code from 1984 by Norbert Treitz, für Phantasie und Logik.

u/andrea270872

Wow!
u/rodrigo.siqueira

"Spiele mit Computer-Grafik. Für Phantasie und Logik" (Norbert Treitz, 1984), page 63. Short video showing the book: https://twitter.com/quasimondo/status/155338…

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BriSeven

function u(t) {

x.save()
x.translate(940,550)
x.rotate(t*30)
x.font=4*t+'px a'
x.fillText(String.fromCodePoint((14000+((t*240|0)))),30*t,30*t)
x.restore()

Jun 28 2022 11:09 AM UTC

}// 138/140

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string ring

u/rodrigo.siqueira

The vortex of Chinese concrete poetry #spiral
u/CazadorDePerros

wow, lovely!

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rodrigo.siqueira

remix of d/25326 by u/rodrigo.siqueira

function u(t) {

f=(x,y,n=9)=>x<4*x**2?f(x*x-y*y-.8,2*x*S(T(y))+.2,n+t/4+1):S(n/9)
for(i=2e4;i--;x.fillRect(X=u&2047,u>>11,f(X/4e3+.28,u/8e6-.24),1))u=-~u

Apr 14 2022 6:14 PM UTC

}// 137/140

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4th version of the same spiral from previous remixes. #fractal #spiral

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rodrigo.siqueira

remix of d/17501 by u/rodrigo.siqueira

function u(t) {

for(i=1e4*(t<4);i--;x.fillRect(690+400*a,500+400*b,.2,1))
S(r=i*t)>0?(a=C(r*t)*C(r*i),b=S(r*i)):b=C(a)+(a+=S(b)*.9)/9,x.fillStyle=R(i/59)

Feb 7 2020 5:52 PM UTC

}// 137/140

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#Sphere and #Spiral

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DragonKyn

function u(t) {

c.width|=0
for(i=5e3;v=i--/800;){
s=4*S(t)*S(9*v)
q=s*2
s*=1-q/3*(1-q/25)
k=100*(4-q*(1-q/14))
x.fillRect(900+k*C(s+=v+t),520+k*S(s),11,9)
}

Feb 21 2018 8:06 PM UTC

}// 140/140

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u/Bugsy

Nice! Any particular reason you didn't initialize i to 6e3? That'd take care of that gap you have in one of the tendrils
u/joeytwiddle

#spiral

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rodrigo.siqueira

remix of d/33981 by u/rodrigo.siqueira

function u(t) {

for(i=4e4;i--;)r=S(n=i*i/t)*S(n)**-1.3,
X=C(k=i/4),Y=S(k),Z=r*r*S(C(i+r*9+5))/900,
x.fillRect(950+X/Z+r*r*7,650-Y/Z/1.4-r**T(i*2),.3,t<4)

Jun 12 2025 8:09 PM UTC

}// 137/140

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Tunnel structure #spiral

dwitter.net | #spiral