import java.awt.Color;

/**

* A polygon that represents a small burrowing mammal.

*/

public class Mole extends BlinkingPolygon {

public static final Color BROWN = new Color(153, 102, 0);

private boolean alive;

/**

* Creates a mole at the given location.

*

* @param x the X coordinate

* @param y the Y coordinate

*/

public Mole(int x, int y) {

super(10, 30, BROWN);

translate(x, y);

alive = true;

}

@Override

public void step() {

// blink on/off at random times

if (alive && Math.random() < 0.5) {

super.step();

}

}

/**

* Updates the state of the mole when clicked.

*/

public void whack() {

// ignore whack when invisible

if (visible) {

color = Color.LIGHT_GRAY;

alive = false;

}

}

}