/**
 * 3D bounding box
 * @author: Phil Gage
 */
class Extent {

    /** Minimum values of box */
    Point min;

    /** Maximum values of box */
    Point max;

    Extent () {
       min = new Point(0,0,0);
       max = new Point(0,0,0);
    }

    Extent (Point min, Point max) {
       this.min = new Point(min);
       this.max = new Point(max);
    }

    Extent (Extent extent) {
       min = extent.min;
       max = extent.max;
    }

    /** Return true if point is inside extent,
        add epsilon to avoid surface defects */
    boolean inside (Point p) {
        return p.x >= min.x - Constants.EPSILON &&
               p.x <= max.x + Constants.EPSILON &&
               p.y >= min.y - Constants.EPSILON &&
               p.y <= max.y + Constants.EPSILON &&
               p.z >= min.z - Constants.EPSILON &&
               p.z <= max.z + Constants.EPSILON;
    }

    public String toString () {
        return "Extent  min=" + min + " max=" + max;
    }

}