package causation.lab;

import java.awt.Point;

/**
 * <p>
 * This class simply encodes an ordered pair of Points.  Note that the 
 * <code>from</code> and <code>to</code> Points are public.
 * </p>
 */
public class PointPair {
/////////////////// Instance Variables ///////////////////
	public Point from;
	public Point to;

/////////////////// Constructors ///////////////////	
/**
 * This creates a PointPair with each Point at (0, 0).
 */
	public PointPair() { this(new Point(0, 0), new Point(0, 0)); }
/**
 * This creates a PointPair with <code>from</code> set to <code>p1</code>,
 * and <code>to</code> set to <code>p2</code>.
 * @param	p1	The <code>from</code> Point
 * @param	p2	The <code>to</code> Point
 */
	public PointPair(Point p1, Point p2) {
		this.from = p1;
		this.to = p2;
	}
}