import java.awt.Color;

/**Parent class for all stationary objects. It inherits the properties of BoxedBallsObject.
 * All stationary objects have a velocity=0, and their mass, for the purpose of momentum calculations, is effectively infinity*/
public class StationaryObject extends BoxedBallsObject
{
  /**1.0/0.0 produces infinity*/
  public static final double STATIONARY_OBJECT_MASS = 1.0/0.0;
  public static final double STATIONARY_OBJECT_VELOCITY = 0.0;
  private double mass;
  private double xVelocity;
  private double yVelocity;
  
  public StationaryObject()
  {
    super();
    mass = STATIONARY_OBJECT_MASS;
    xVelocity = STATIONARY_OBJECT_VELOCITY;
    yVelocity = STATIONARY_OBJECT_VELOCITY;
  }
  
  public StationaryObject(String s, Color c)
  {
    super(s, c);
    mass = STATIONARY_OBJECT_MASS;
    xVelocity = STATIONARY_OBJECT_VELOCITY;
    yVelocity = STATIONARY_OBJECT_VELOCITY;
  }
  
  public double getMass()
  {
    return mass;
  }
  public double getXVelocity()
  {
    return xVelocity;
  }
  public double getYVelocity()
  {
    return yVelocity;
  }
  public Color getColor()
  {
    return super.getColor();
  }
}