// CSE 142, Autumn 2009, Marty Stepp
// A Toad is a critter very similar to a 5-year old Frog, except that he
// hops west instead of east.
// We implement this by using inheritance and overriding just selected parts
// of the Frog's movement behavior (specifically, his getHop method).

import java.awt.*;

public class Frog extends Critter {
    private int age;
    private int count;
    
    public Frog(int age) {
        this.age = age;
        this.count = 0;
    }
    
    // New method.  Returns the direction the frog should hop.
    // This method was added just so that subclasses could potentially
    // override it if they want to hop in a different direction.
    public Direction getHop() {
        return Direction.EAST;
    }
    
    public Color getColor() {
        return Color.GREEN;
    }
    
    // Modified.  Now calls getHop instead of just returning EAST.
    // This allows a subclass (e.g. Toad) to change the hop direction
    // by overriding getHop if so desired.
    public Direction getMove() {
        count++;
        if (count >= age) {    // go EAST once every 'age' moves
            count = 0;
            return getHop();            
        } else {
            return Direction.CENTER;
        }
    }
    
    public String toString() {
        return "F";
    }
}