package horstmann.ch06_scene2;
import java.awt.Graphics2D;
import java.awt.geom.Line2D;
import java.awt.geom.Point2D;
import java.awt.geom.Rectangle2D;

/**
   A house shape.
 */
public class HouseShape extends SelectableShape
{
	/**
      Constructs a house shape.
      @param x the left of the bounding rectangle
      @param y the top of the bounding rectangle
      @param width the width of the bounding rectangle
	 */
	public HouseShape(int x, int y, int width)
	{
		this.x = x;
		this.y = y;
		this.width = width;
	}

	public void draw(Graphics2D g2)
	{
		Rectangle2D.Double base
		= new Rectangle2D.Double(x, y + width, width, width);

		// The left bottom of the roof
		Point2D.Double r1
		= new Point2D.Double(x, y + width);
		// The top of the roof
		Point2D.Double r2
		= new Point2D.Double(x + width / 2, y);
		// The right bottom of the roof
		Point2D.Double r3
		= new Point2D.Double(x + width, y + width);

		Line2D.Double roofLeft
		= new Line2D.Double(r1, r2);
		Line2D.Double roofRight
		= new Line2D.Double(r2, r3);

		g2.draw(base);
		g2.draw(roofLeft);
		g2.draw(roofRight);
	}

	public boolean contains(Point2D p)
	{
		return x <= p.getX() && p.getX() <= x + width
				&& y <= p.getY() && p.getY() <= y + 2 * width;
	}

	public void translate(int dx, int dy)
	{
		x += dx;
		y += dy;
	}

	private int x;
	private int y;
	private int width;
}