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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: #Food

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katkip

remix of d/14532 by u/rodrigo.siqueira

function u(t) {

c.width|=0;for(X=-3;X<3;X+=.1){for(Y=-3;Y<3;Y+=.1)Q=(P=-t+X*X+Y*Y)*C(P**.1),Dx=-Y+X*Q,Dy=X+Y*Q/8,x.fillRect(960+Dx*40,850+Dy*40-Q*99,5,5)}

Jun 11 2019 4:01 PM UTC

}// 138/140

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Tried to make a black hole gravity visualisation

u/joeytwiddle

There are two bytes free if someone wants to add Hawking radiation

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KilledByAPixel

remix of d/14516 by u/KilledByAPixel

function u(t) {

t+=3;with(x)save(font=t*4+"em'"),beginPath(clip(rect(0,t*60,3e3,1))),fillText("𝔻𝕎𝔼𝔼𝕋",q=840-t*99,350),restore(fillText("𝕎𝔸ℝ𝕊",q+119,650))

Jun 11 2019 3:21 PM UTC

}// 137/140

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#DweetWars #uncompressed

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username

remix of d/14527 by u/username

function u(t) {

t?onmousemove=_=>e=_:e={x:666,y:420}
x.beginPath()
for(i=c.width+=0;i--;x.lineWidth=14)x.lineTo(i,542+e.y*S(6.283*(t-i/(1e3-e.x))))
x.fill()

Jun 11 2019 9:11 AM UTC

}// 140/140

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some fun

u/username

move mouse #interactive
u/katkip

Awesomed!

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username

remix of d/5321 by u/hoplite

function u(t) {

i=c.width=96;for(;i--;)for(k=54;k--;)x.fillStyle=`hsl(${(S(i/9+(j=t+(k-i)/99))*S(k/7)+S(k/9+j)*S(i/7-j))*255},99%,50%)`,x.fillRect(i,k,1,1)

Jun 11 2019 9:06 AM UTC

}// 139/140

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#randomremix no 8 - distorted

u/donbright

#plasma
u/katkip

Awesomed!

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rodrigo.siqueira

remix of d/14532 by u/rodrigo.siqueira

function u(t) {

x.globalAlpha=.5
for(X=-3;X<3;X+=.03){for(Y=-3;Y<3;Y+=.1){Q=(P=X*X+Y*Y)*S(3/P**2)+t
Dx=-Y+X*Q,Dy=X+Y*Q
x.fillRect(960+Dx*99,550+Dy*99,1,1)}}

Jun 11 2019 2:07 AM UTC

}// 140/140

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Differential Equation Slope Field - Third attempt

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rodrigo.siqueira

remix of d/14530 by u/rodrigo.siqueira

function u(t) {

c.width|=0;for(X=-3;X<3;X+=.1){for(Y=-3;Y<3;Y+=.1){
Q=(P=-t%27+X*X+Y*Y)*S(3/P**1)
Dx=-Y+X*Q
Dy=X+Y*Q
x.fillRect(960+Dx*40,550+Dy*40,5,5)}}

Jun 11 2019 1:44 AM UTC

}// 138/140

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Differential Equation Slope Field - My second attempt to model this system of nonlinear differential equations: https://imgur.com/gallery/jpAn7tX

u/aleamb

love it!
u/aleamb

#math #system #nonlinear #de #modeling
u/artfarnaa

Hi Rodrigo. Love your work. Can you give a small summary of yourself, or link? Very impressive body of work.
u/rodrigo.siqueira

@artfarnaa, I work with artificial intelligence and natural language processing, developing new algorithms to improve customer interaction with companies and services. I get inspiration from theoretical neuroscience to create AI tools, chatbot frameworks and search engines. I also create fractals, here is my gallery: https://www.fractarte.com.br/galeria2/galeri… Here, I dive into the depth of chaos equations to find unexplored patterns, geometries and emergent properties. My Twitter is https://twitter.com/rsiqueira

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rodrigo.siqueira

function u(t) {

Y=0
for(i=-100;i<100;i++) {
 x_diff = i/200;
 Y += 3*(x_diff ** 2) // 𝔂 = 𝔁³ ⟹ 𝔂' = 3*𝔁²
 x.fillRect(960+i*5,800-Y*10,5,5)
}

Jun 11 2019 12:15 AM UTC

}// 124/140

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Iterative numerical method to calculate 𝔂 = 𝔁³ using its derivative 𝔂' = 3*𝔁²

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rodrigo.siqueira

function u(t) {

Y2=X2=X=0
Y=S(t)
for(i=3e3;i--;){
N=(P=X*X+Y*Y)*S(3/(P)**0.5)
X2+=-Y+X*N+S(i)
Y2+=X+Y*N
X=X2/4
Y=Y2/8
x.fillRect(960+X*1e3,540+Y*1e3,1,.3)
}

Jun 10 2019 8:09 PM UTC

}// 140/140

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I was trying to create this: https://imgur.com/gallery/jpAn7tX but something very wrong happened. The equations in the page seem simple, if anyone wants to try...

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geb

remix of d/14528 by u/robbyg

function u(t) {

for(v=30,a=v,s=t%1,o=s;v--;)for(h=70;h--;x.fillRect(o+h*a,o+v*a,S(t)+a*s,S(t)+a*s))x.fillStyle=['#0a0','#0d0'][~~(t+h+v)%5]

Jun 10 2019 4:01 PM UTC

}// 123/140

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robbyg

function u(t) {

for(v=26,a=40,s=t%1,o=20*(1-s);v--;)for(h=48;h--;x.fillRect(o+h*a,o+v*a,a*s,a*s))x.fillStyle=['#fff','#000'][~~(t+h+v)%2]

Jun 10 2019 3:40 PM UTC

}// 121/140

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