/**
 * 
 */
package cortexrules;

import java.awt.geom.*;

/**
 * add a new point to a list of points
 * 
 * @author John H. Krantz Ph.D
 * @version 0.1
 *
 */
public class AddPoint {
	// private routine to add a shape to a list
	public Point2D [] addPoint(Point2D [] points,
			Point2D curPoint){
		if (curPoint != null){  // only add if real shape
			if (points == null){
				points = new Point2D.Double [1];
				points[0] = curPoint;
			}
			else {
				Point2D hold [] = new Point2D[points.length];
				// put current shapes in hold variable
				for (int i = 0; i < points.length; i ++)
					hold[i] = points[i];
				
				points = new Point2D[hold.length+1]; // increase
				// length of array
				
				// return shapes
				for (int i = 0; i < hold.length; i ++)
					points[i] = hold[i];
				
				points[points.length-1] = curPoint;  // add new shape
			}
		}
		
		return points;
	}
	
	/**
	 * returns points in an ordered array
	 * need order rule
	 * @param Point2D [] points array of points to order
	 * @return Points2D [] the ordered array.
	 */
/*	public Point2D [] orderPoint(Point2D [] points){
		
		
		
		return points;
	}
*/
}