Top dweets by u/rodrigo.siqueira

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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rodrigo.siqueira

remix of d/27140 by u/taupelink

function u(t) {

for(i=4e4;i--;x.fillRect(170*X,275*Y,t<7,X*X-f&3))X=i*i/t%12,Y=3*T(i+t),f=((6-Y-S(X*C(Y)))**2+(X-5)**3)

Mar 2 2023 9:25 PM UTC

}// 103/140

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Pattern ripples

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rodrigo.siqueira

remix of d/26429 by u/rodrigo.siqueira

function u(t) {

for(m=9e3;m--;x.fill(x.stroke()))x.beginPath(x.fillStyle=R(m,i=m%89,i,.1)),x.arc(i%5*390+i*C(m)+180,m%5*i*4+i*S(m),i*S(m%9*m)**8/6/t,m,1/t)

Nov 2 2022 5:10 PM UTC

}// 139/140

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u/tomxor

#texture

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rodrigo.siqueira

function u(t) {

for(x.fillRect(0,0,w=2e3,w),i=2e4;i--;x.clearRect(w/2+S(p=T(i*i))/(Z=T(i+t)/99),w/4+C(p+S(i*2)+Z)/Z,9*C(i*t),.7/t))x.globalAlpha=.05

Oct 10 2022 12:34 AM UTC

}// 132/140

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Star collapse

u/rodrigo.siqueira

Nuclear reactions

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rodrigo.siqueira

remix of d/25504 by u/taupelink

function u(t) {

for(m=4e3;m--;x.fill())i=m%180,j=m>>4,x.beginPath(x.fillStyle=R(q=i**(j/i-S(t)/4),j,i,1.2*q/i)),x.arc(m*m%2e3,i*m%2e3,i,i,m%3.7+i+S(m-t*3))

May 17 2022 1:08 PM UTC

}// 139/140

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Post-geometric neo-bauhaus after-expresionism kinetic art

u/taupelink

Nice! I plan to try shrinking the radius and seeing what kind of still images it can converge to
u/taupelink

(or anyone else is free to try doing that, of course!)

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rodrigo.siqueira

remix of d/25383 by u/rodrigo.siqueira

function u(t) {

f=(x,y,n=3)=>y<S(X*y*n)**2*X?f(x*x-y*S(y*2)+.3,2*x*S(y),n+1):S(n/8)**2
for(i=2e4;i--;x.fillRect(X=u&2047,u>>11,f(X/3e3-.9,u/8e6-.3),1))u=-~u

Apr 28 2022 1:42 PM UTC

}// 140/140

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#spiral with delicate details

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rodrigo.siqueira

remix of d/25321 by u/rodrigo.siqueira

function u(t) {

f=(x,y,n=0)=>x*y<9?f(x*x-y*y-.8,2*x*T(S(y))+.2,n+1+t/9):S(n)/2-.4
for(i=2e4;i--;x.fillRect(X=u&2047,u>>11,f(X/4e3+.28,u/8e6-.24),1))u=-~u

Apr 13 2022 12:26 PM UTC

}// 137/140

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Spiral in the psychedelic flowers style #fractal

u/taupelink

wow--groovy!

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rodrigo.siqueira

remix of d/25294 by u/danny@hille.dk

function u(t) {

f=(X,Y,n)=>X*S(X)<9?f(X-Y**3,2*X*Y-.2,n+1):C(n/9)**4
for(i=2e3;i--;)x.fillRect(i,t*200,.6-f(i/740-1.3,t/2.1-1.3,12),9)

Apr 7 2022 1:48 AM UTC

}// 118/140

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Ntsutae's equation remix (noisy version)

u/ntsutae

👍

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rodrigo.siqueira

remix of d/25259 by u/vain

function u(t) {

for(X=2e3;X--;x.fillRect(X,t*60+a,1,1)){i=a=X/2800-.08,b=t/50-.9
do{d=a*a-b*b-.61,b=2*a*b+.51,a=d,i++}while(1/a<9)x.fillStyle=R(200-i*9)}

Mar 30 2022 8:55 PM UTC

}// 137/140

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Bloody spirals #spiral #fractal

u/andrea270872

wow. this one looks like an ancient scroll from Japan or something like that!
u/pavel

That's awesome. Really like the shading.

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rodrigo.siqueira

remix of d/24938 by u/taupelink

function u(t) {

for(m=8e3;m--;x.fill())X=C(m+t),Y=S(5*X*t*t),x.fillStyle=R(i=m%501*14,S(i)*i,i/T(m+t),.2),x.beginPath(),x.arc(940+800*X,200+340*++Y,m/i,0,m)

Feb 17 2022 10:11 PM UTC

}// 140/140

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Spread spectrum

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rodrigo.siqueira

remix of d/24405 by u/rodrigo.siqueira

function u(t) {

for(m=1e4;m--;x.fillRect(960*X,540*Y,i/4,-m/144/Y))X=1-S(m+t/9),Y=1+C(m*m+t/8),x.fillStyle=R(i=m%(200),i*=Y*X/m+Y,i-=Y+C(t+X)*99,a=S(Y)**2)

Nov 29 2021 9:13 PM UTC

}// 139/140

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Dancing fragments

dwitter.net | rodrigo.siqueira (19313)