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CarShape.java

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import java.awt.*;

import java.awt.geom.*;

import java.util.*;

/**

A car that can be moved around.

*/

public class CarShape implements MoveableShape {

/**

Constructs a car item.

@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 translate(int dx, int dy) {

x += dx;

y += dy;

}

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);

}

private int x;

private int y;

private int width;

}