/// <summary>
/// Adds a leaf for this zombie to be 'watching.'
/// </summary>
/// <param name="leaf">Leaf to be watched.</param>
public void assignLeaf(Leaf leaf)
{
this.brokenLeaf = leaf;
}
/// <summary>
/// Removes a leaf from the list
/// </summary>
/// <param name="leaf">The leaf to remove</param>
public void removeLeaf(Leaf leaf)
{
this.watchedLeaves.Remove(leaf);
}
/// <summary>
/// Adds a leaf to the list
/// </summary>
/// <param name="leaf">The leaf to add</param>
public void addLeaf(Leaf leaf)
{
this.watchedLeaves.AddFirst(leaf);
}
/// <summary>
/// Moves the Zombie towards the newly broken leaf.
/// </summary>
/// <param name="leaf">The leaf that was broken by Darwin</param>
public void goToLeaf(Leaf leaf)
{
// do this better later
if (this.X < leaf.X)
this.MoveRight();
else if (this.X > leaf.X)
this.MoveLeft();
else if (this.Y < leaf.Y)
this.MoveDown();
else if (this.Y > leaf.Y)
this.MoveUp();
}