import java.awt.*;
import java.awt.geom.*;

/**
   A car shape.
*/
public class CarShape extends SelectableShape
{
   /**
      Constructs a car 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 CarShape(int x, int y, int width)
   {
      this.x = x;
      this.y = y;
      this.width = width;
   }

   public void draw(Graphics2D g2)
   {
      Rectangle2D.Double body
         = new Rectangle2D.Double(x, y + width / 6, 
            width - 1, width / 6);
      Ellipse2D.Double frontTire
         = new Ellipse2D.Double(x + width / 6, y + width / 3, 
            width / 6, width / 6);
      Ellipse2D.Double rearTire
         = new Ellipse2D.Double(x + width * 2 / 3, 
            y + width / 3,
            width / 6, width / 6);

      // The bottom of the front windshield
      Point2D.Double r1
         = new Point2D.Double(x + width / 6, y + width / 6);
      // The front of the roof
      Point2D.Double r2
         = new Point2D.Double(x + width / 3, y);
      // The rear of the roof
      Point2D.Double r3
         = new Point2D.Double(x + width * 2 / 3, y);
      // The bottom of the rear windshield
      Point2D.Double r4
         = new Point2D.Double(x + width * 5 / 6, y + width / 6);
      Line2D.Double frontWindshield
         = new Line2D.Double(r1, r2);
      Line2D.Double roofTop
         = new Line2D.Double(r2, r3);
      Line2D.Double rearWindshield
         = new Line2D.Double(r3, r4);

      g2.draw(body);
      g2.draw(frontTire);
      g2.draw(rearTire);
      g2.draw(frontWindshield);
      g2.draw(roofTop);
      g2.draw(rearWindshield);
   }
   
   public void drawSelection(Graphics2D g2)
   {
      Rectangle2D.Double body
         = new Rectangle2D.Double(x, y + width / 6, 
            width - 1, width / 6);
      g2.fill(body);
   }

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

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

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