Neurona

class Node {

  float x;

  float y;

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  float fx;

  float fy;

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  float px;

  float py;

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  float theta;

  float noiseValue;

  Node(float x, float y) {

    this.x = x;

    this.y = y;

    fx = x;

    fy = y;

    theta = random(-PI, PI);

    noiseValue=  random(-0.1, 0.1);

  }

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  void update() {

    float tiempo = fx * cos(theta) - (y - x*x) * sin(theta);

    y = fx * sin(theta) + (fy - x*x) * cos(theta);

    x = tiempo;

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    fx = x;

    fy = noise(noiseValue)/1.1;

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    if ((x+ 0.5)*width > width || (y + 0.5)*height > height ) {

      x = random(1);

      y=  random(1);

      fx =x;

      fy =y;

    }

    noiseValue+=0.03;

  }

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  void draw() {    

    update();

    stroke(60*(x+y) + 20,  50);

    point((x+ 0.5)*width, (y + 0.5)*height);

  }

}

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