/**
 * 
 */
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 AddPointArray {
	// 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] = new Point2D.Double[curPoint.length];
				for (int i = 0; i < curPoint.length; i ++){
					points[0][i] = curPoint[i];
				}
			}
			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;
	}
}