//class Point


class Point
{
  //PROPERTIES
  float x;
  float y;
  float z;
  Config conf;

  //CONSTRUCTORS, how to build a point
  Point ()
  {
    this.conf = new Config();
   // println("a point has been created");
  }
  
  Point( float x, float y, float z  )
  {    
    this.conf = new Config();
    this.x = x;
    this.y = y;
    this.z = z;
    
//    setPosition(xPos, y);
  }
  
  //METHODS 
  float getX() 
  {
    return this.x;  //more precise:  return this.x;
  }
  float getY()
  {
    return this.y;
  }
  float getZ()
  {
    return this.z;
  }
 
  void setPosition(float x, float y, float z   )
  {
    this.x = x;
    this.y = y;
    this.z = z;
  }
 
  void drawYourself(float ratio)
  {
    Config conf = new Config();
    fill(255);
    
    ellipse( this.x * ratio, this.y * ratio    , conf.pointSize, conf.pointSize );
    
    fill(0);
    
    
  }
  
  //returns the square of the distance to point
  float distanceSqr( Point point )
  {
    float dx = point.getX() - this.getX();
    float dy = point.getY() - this.getY();
    return dx * dx + dy * dy;  //  pow( value, exp   );  pow( dx, 2);
  }
  
  float distance( Point point )
  {
    return  sqrt( distanceSqr(point) );
  }
 
}