class Node
{
  float x;
  float y;
  float d;
  float sink;
  
  Node(float x_, float y_, float d_, float sink_)
  {
    x=x_;
    y=y_;
    d=d_;
    sink=sink_;  
  }//END sink
  
  float getX() {return x;}
  void setX(float x_) {x = x_;}
  float getY() {return y;}
  void setY(float y_) {y = y_;}
  float getD() {return d;}
  void setD(float d_) {d = d_;}
  float getSINK() {return sink;}
  void setSINK(float sink_) {sink = sink_;}
  
  void render()
  {
    noStroke();
    fill(255);
    ellipse(x,y,d,d); 
  }
}