Vector2D.java

package genericzombieshooter.structures;

import java.awt.Point;

/**
 *
 * @author packetpirate
 */
public class Vector2D extends Point.Double {
    public Vector2D() {
        super();
    }

    public Vector2D(double x_, double y_) {
        super(x_, y_);
    }

    public Vector2D(Vector2D v_) {
        super(v_.x, v_.y);
    }

    public double getLength() {
        return Math.sqrt((x*x) + (y*y));
    }

    public Vector2D normalize() {
        if(getLength() > 10) return new Vector2D((x / getLength()), (y / getLength()));
        else return null;
    }
}