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.

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

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rodrigo.siqueira

remix of d/27361 by u/PotatoImaginator

function u(t) {

c.width=950
for(k=j=128;j--;)for(i=k;i--;x.fillStyle=R(S(i/9-t*4)*k))i&j||x.fillRect(320+i*3+j+8*S(j/9+4*t),j*2+i*C(t+i/99)+k,3,3)

Apr 11 2023 8:14 PM UTC

}// 130/140

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Flying Sierpinski Wave

u/joeytwiddle

#sierpinski

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rodrigo.siqueira

remix of d/27186 by u/rodrigo.siqueira

function u(t) {

for(i=5e4;i--;x.fillRect(152*X-245,70*Y+540,k=f&t<9,k))X=i*i/t%15,Y=3*T(i+t),f=(3-C(X*2)+S(Y+C(X*9)*C(X)*S(Y*4)))*2,x.fillStyle=R(34*(f&3))

Mar 22 2023 11:31 AM UTC

}// 139/140

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Geometric patterns

Show more comments…
u/joeytwiddle

#pattern Could definitely see these used on tiles
u/UEZ

vintage #wallpaper
u/Joachim

Wow!
u/Xen

love it!
u/danny@hille.dk

Sooo coool!!!
u/danny@hille.dk

Hey, and if you tweak it a bit, you can use it on Valentine's Day -> for(i=5e4;i--;x.fillRect(99*X,77*-Y,k=f&t<2,k))X=i*i/t%20,Y=3*T(i+t),f=(C(X)+S(Y+C(X)*C(X))),x.fillStyle=R(-f*99)

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rodrigo.siqueira

remix of d/27082 by u/taupelink

function u(t) {

x.globalAlpha=.1
for(i=528;i--;x.fill())x.beginPath(x.fillStyle=R(i/3,i/2,i)),x.arc(X=i%22*89,Y=980-(i/22|0)%12*80,20/t+9,i,i+C(t+i*i)*7)

Feb 19 2023 1:40 AM UTC

}// 137/140

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22x12 Blue Circle Matrix

u/magna

Pretty!
u/jdspugh

Cool

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rodrigo.siqueira

remix of d/26978 by u/Mkac003

function u(t) {

for(c.width=a=352,h=99;a--;)for(b=h;b--;){for(m=n=0,i=19;n<1&&i--;)e=n*n-m*m+a/280-S(t-i/2)-1.2,m=n*m/h*b-1,n=e
x.fillRect(a,b*2,C(n),2)}

Feb 1 2023 6:04 PM UTC

}// 137/140

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Plasmatic chaos

u/lonestar108

Oh I love this one
u/Joachim

Pretty!
u/Xen

i love it!
u/SophiaCristina

Cool, looks like some 90's demo!

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rodrigo.siqueira

remix of d/26492 by u/rodrigo.siqueira

function u(t) {

x.fillRect(0,0,2e3,2e3)
for(Z=Y=i=-1;i<1;i=i+.001)
X=i*4.5+S(Z/52)/5,
Y=4*C(i*Y-2),
Z=(8+Y*S(3*i+t))*60,
x.clearRect(980+150*X,Z+Y,2,5)

Nov 21 2022 3:38 PM UTC

}// 135/140

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Liquid #bifurcation

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rodrigo.siqueira

remix of d/26470 by u/rodrigo.siqueira

function u(t) {

c.style.filter=`invert(`
a=0;for(X=1920;X--;)x.fillStyle=R(a*X,a*130,9/X),a+=C(a*((X/160-3+C(X/t)/t)*5+25)/16),x.fillRect(X,a*630+190,1,.2)

Nov 15 2022 2:51 PM UTC

}// 139/140

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Neon #bifurcation "A bifurcation occurs when a small smooth change made to the parameter values (the bifurcation parameters) of a system causes a sudden qualitative or topological change in its behavior." (from the Bifurcation Theory)

u/leafyvez

amazing!
u/Xen

Siick!
u/Joachim

Beautiful!
u/magna

So glowy!

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rodrigo.siqueira

remix of d/26372 by u/rodrigo.siqueira

function u(t) {

c.style='filter:invert('
for(i=3e4;r=C(t*i)*i|frame,i--;)x.fillRect(u=520*S(a=Math.PI*r/5-S(u/909))+590+u>>1,c=C(a)*540+c+530>>1,t<2,.1)

Oct 26 2022 4:43 PM UTC

}// 136/140

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Scary Ghost of Fractals #ScaryMovies #fractal

u/rodrigo.siqueira

#halloween

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rodrigo.siqueira

remix of d/26040 by u/DazeWare

function u(t) {

for(c.width=i=W=220;i-=2;)for(j=9;j<W;x.fillRect(i,j++-h,2,9/d))x.fillStyle=R(h=((d=W*9/j)*S(A=i/W+S(t))+t&d*C(A)+t*9&11)*9/d)

Aug 26 2022 2:11 PM UTC

}// 126/140

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3D fly, perspective, fog effect, emboss. I just deleted random code, changed a few parameters and got this as result.

u/jdspugh

Wow
u/Joachim

That's amazing!! I'll need to pick this apart... looks a bit like https://en.wikipedia.org/wiki/Mode_7
u/cantelope

dat bitwise alien math :D
u/aleamb

wtf!!.... WOW!

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rodrigo.siqueira

remix of d/25041 by u/taupelink

function u(t) {

for(m=2e3;m--;x.fill())r=m**.9%400,x.beginPath(x.fillStyle=R(i=m%500,i/2,i/3,i/500)),x.arc(960+r*S(k=i-t/3)*(v=1+.5/t),540+r*C(k)*v,m/i,0,6)

Feb 28 2022 10:18 PM UTC

}// 140/140

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rodrigo.siqueira

remix of d/25010 by u/rodrigo.siqueira

function u(t) {

for(m=k=220;m--;x.fill())d=2**t*t,r=m*t,x.beginPath(x.fillStyle=R(m%2*r/t+r/2/d,k/d/t,r/d)),x.arc(510+m%2*900+r*C(m),560+r*S(m*r/t),m/d,0,m)

Feb 23 2022 12:43 AM UTC

}// 140/140

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Blue and Red objects

u/tomxor

Interesting
u/joeytwiddle

Yikes!

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