ZBug Ayy

/**
 * Author: Nikolay Yunger
 * Date: 10/25/14
 * Assignment: Bugs
 */
import info.gridworld.actor.Bug;

public class ZBug extends Bug{
    private int length;
    private int steps;
    private int turns;
    /**
     * Pre: l != 0
     * Post: Constructs a ZBug with a length of l
     */
    public ZBug(int l)
    {
        length = l;
        steps = 0;
        turns = 0;
    }
    /**
     * Pre: none
     * Post: Bug moves in a Z pattern and stops in the end or if something blocks it
     */
    public void act()
    {
        while(canMove() && steps < length)
        {
            move();
            steps++;
            if(turns == 1 && steps == length)
            {
                turn();
                turn();
                turn();
                steps = 0;
            }
            if(steps == length)
            {
                turn();
                turn();
                turn();
                steps = 0;
                turns++;
            }
        }
        return;
    }
}