import java.awt.*;

/**
 * Box3D.java - 
 *     Creates an object that represents a 3d box by extending
 *     the java.awt.Rectangle class.
 *
 * @author Grant William Braught
 * @author Dickinson College
 * @version 4/18/2001
 */
public class Box3D extends Rectangle {

    private int z;       // z coordinate of front, upper, left corner.
    private int depth;

    /**
     * Constructs a new 3dBox whose front-upper-left corner is at (x,y,z),
     * with width, height and depth specified.
     *
     * @param x x coordinate of front-upper-left corner.
     * @param y y coordinate of front-upper-left corner.
     * @param z z coordinate of front-upper-left corner.
     * @param width width of the box.
     * @param height height of the box.
     * @param depth depth of the box.
     */
    public Box3D(int x, int y, int z, int width, int height, int depth) {
	super(x,y,width,height);
	this.z = z;
	this.depth = depth;
    }

    /**
     * Returns the depth of the 3d box.
     *
     * @return the depth of this box.
     */
    public int getDepth() {
	return depth;
    }

    /**
     * Returns the z coordinate of the 3d box.
     * 
     * @return the z coordinate of this box.
     */
    public int getZ() {
	return z;
    }

    /**
     * Compute the volume of the 3D box.
     *
     * @return the volume of this box.
     */
    public int getVolume() {
	return (int)getWidth() * (int)getHeight() * depth;
    }

    /**
     * Set the location of the box.
     *
     * @param x x coordinate of front-upper-left corner.
     * @param y y coordinate of front-upper-left corner.
     * @param z z coordinate of front-upper-left corner.
     */
    public void setLocation(int x, int y, int z) {
	this.z = z;
	// Set the location of the inherited Rectangle.
	super.setLocation(x,y);
    }

    /**
     * Set the size of the box.
     *
     * @param width width of the box.
     * @param height height of the box.
     * @param depth depth of the box.
     */
    public void setSize(int width, int height, int depth) {
	this.depth = depth;

	// Set the size of the underlying Rectangle
	super.setSize(width,height);
    }

    /** 
     * Determines if the point (x,y,z) is within the box.
     *
     * @return true if (x,y,z) is contained within this box;
     *         false otherwise.
     */
    public boolean contains(int x, int y, int z) {

	// See if the x,y coordinates are inside the rectangle
	// then check to see if the z coordinate is inside the
	// box.
	if (super.contains(x,y) &&
	    z > this.z && z < (this.z + depth)) {
	    return true;
	}
	else {
	    return false;
	}
    }

    /**
     * Determine if the 3dBox is within this 3dBox.
     *
     * @return true if the specified box is inside this box;
     *         false otherwise.
     */
    public boolean contains(Box3D box) {
	// Check if the rectangle face of box is contained
	// within the rectangle face of this box. Then check
	// to see if the depths of the boxes are such that box
	// is contained in this box. 
	if (super.contains(box) &&
	    z < box.z && z+depth > box.z + box.depth) {
	    return true;
	}
	else {
	    return false;
	}
    }

    /**
     * Determines if this box the specified box are equal.
     *
     * @return true if this box and box are equal; 
     *         false otherwise.
     */
    public boolean equals(Box3D box) {
	return super.equals(box) &&
	    z == box.z &&
	    depth == box.depth;
    }

    /**
     * Returns a Sring representing this 3 dimensional box.
     * 
     * @return a String representation of this box.
     */
    public String toString() {
	return "(" + (int)getX() + "," + 
	    (int)getY() + "," + 
	    (int)getZ() + ")" +
	    " width: " + (int)getWidth() + 
	    " height: " + (int)getHeight() + 
	    " depth: " + depth + ".";
    }
}