public void Move()
{
Point newPosition = Position;
switch (Heading)
{
case Direction.North: newPosition += new Size(0, 1); break;
case Direction.East: newPosition += new Size(1, 0); break;
case Direction.South: newPosition += new Size(0, -1); break;
case Direction.West: newPosition += new Size(-1, 0); break;
}
// Can't move outside the fence
if (Fence.Contains(newPosition))
{
Position = newPosition;
}
}
