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.

Try the new frontend: beta.dwitter.net
Current theme challenge: #ScaryMovies

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rodrigo.siqueira

remix of d/29798 by u/rodrigo.siqueira

function u(t) {

c.style='filter:invert('
x.reset(K=99)
x.translate(960-S(t)*K,540+C(t)*K)
for(i=K;i--;x.rotate(6.282/K),x.fillRect(0,K,4,Y))Y=T(i/1.575+t)*K

Apr 17 2024 12:53 PM UTC

}// 140/140

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Spiral burst #spiral

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rodrigo.siqueira

remix of d/29569 by u/rodrigo.siqueira

function u(t) {

for(a=b=t,i=2e4;i--;b+=C(a*3)/4-b/6,a+=r/4+b*S(a*2)/3-a/6)i&8?r=i/b&1:c.style='filter:invert()sepia(',x.fillRect(b*2e3+400,a*3e3-800,.1,t<6)

Feb 26 2024 8:19 PM UTC

}// 140/140

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Splash spiral #spiral

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rodrigo.siqueira

remix of d/29549 by u/rodrigo.siqueira

function u(t) {

for(a=b=t,i=1e4;i--;b+=C(a*3)/4-a*b/2,a+=r/4+b*S(a*2)/3-a/6)i&8?r=i/b&1:c.style='filter:invert()sepia(',x.fillRect(b*1e3+850,a*2e3-330,.1,1)

Feb 25 2024 7:31 PM UTC

}// 140/140

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Brush strokes spiral #spiral

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rodrigo.siqueira

remix of d/29468 by u/rodrigo.siqueira

function u(t) {

for(a=b=t,i=8e3;i--;b+=C(a*3)/3-a*b/6,a+=r/2+b*S(a*3)/6-a/6)i&8?r=i/b&1:c.style='filter:invert()sepia()',x.fillRect(a*999,b*420+400,.1,1)

Feb 20 2024 2:21 AM UTC

}// 137/140

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Spiral sparkles #spiral

u/danny@hille.dk

NICE - heawy lovecraftian vibes

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rodrigo.siqueira

remix of d/29357 by u/rodrigo.siqueira

function u(t) {

c.style='filter:invert('
for(a=b=t,i=4e4;i--;b+=C(a*3)/7-a*b/6,a+=r*.5+b*S(a*3)/5-.3*a)i&8&&(r=i/b&1),x.fillRect(a*1000+99,b*440+400,.1,t<3)

Jan 26 2024 7:51 PM UTC

}// 140/140

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Mushroom fractal object #spiral

u/jdspugh

Amazing

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rodrigo.siqueira

remix of d/29093 by u/rodrigo.siqueira

function u(t) {

c.style='filter:sepia(.2'
for(X=Y=t,i=1e5;i--;x.fillRect(2600-X*230,Y*70+1180-X*70,.1,t<5))
Y=(i/Y&2)*7+(Y-X)/2+X*S(X/2)*1.2,X+=Y/3

Jan 12 2024 10:04 PM UTC

}// 131/140

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Turbulence on Saturn's surface. Resembles patterns found in marbled paper (paper marbling technique). Homage to u/tomxor original Saturn's post, about 60 remixes down. #spiral #saturn

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rodrigo.siqueira

remix of d/29130 by u/rodrigo.siqueira

function u(t) {

for(t?Y++:Y=0,X=3e3;X--;x.fillRect(X,Y,1,f(X/2e3-.6,Y/1500)))f=(x,y,n=0)=>y?f(x*x-y*y,T(.8*x*y)*3+.6,n+1):C(n/3-t/3)/2+.5

Dec 15 2023 12:33 PM UTC

}// 121/140

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16-arm superspiral #fractal #spiral

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rodrigo.siqueira

remix of d/29082 by u/rodrigo.siqueira

function u(t) {

x.fillRect(x.globalAlpha=.03,0,K=8e3,K)
for(i=K;i--;x.clearRect(960+X*480,540+r*S(i*i/3e6+z-t)*450,1,1))r=i/K,X=r*C(z=i/(99+T(i/19-t)))

Dec 8 2023 1:44 AM UTC

}// 135/140

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Trapped spiral #spiral

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rodrigo.siqueira

remix of d/28786 by u/rodrigo.siqueira

function u(t) {

for(a=b=t,i=1e4;i--;b=C(a*4)+b*.83+S(a),a+=(i/a&i%2)*4+b*S(a/2)/5-a*a/5)x.fillRect(a*3e3-500,590-b*270,.1,1),x.fillStyle=R(0,30,50)

Nov 13 2023 5:29 PM UTC

}// 131/140

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#spiral #fractal #plant

u/rodrigo.siqueira

"In the realm where art and science embrace, mathematics unveils the hidden symmetries, infusing imagination with the precision of the universe, transcending the known to inspire the creation of the yet unseen." (ChatGPT)

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rodrigo.siqueira

remix of d/28841 by u/rodrigo.siqueira

function u(t) {

for(X=Y=t,i=4e4;i--;x.fillRect(X*4.5+Y*8+600,Y*8-X*3+780,.1,t<3))
Y=(r=i/Y&8)*5+Y/2-X/4+S(Y/9),x.fillStyle=R(11*r,0,50),X+=Y*2

Nov 12 2023 7:52 PM UTC

}// 126/140

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Twin Dragon Fractal variation #spiral

u/Joachim

Oooo!
u/cantelope

beautiful
u/rodrigo.siqueira

"In the intricate dance of art, science, and math, the twin dragon double fractal unveils the hidden symphony of the universe, where chaos and order intertwine, whispering the secrets of existence that no mind has yet dared to fathom" (ChatGPT)

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