/// <summary>
/// Calculates the steps it takes to move from start to target.
/// </summary>
/// <param name="start"> The start location. </param>
/// <param name="target"> The target location. </param>
/// <returns>
/// The amount of steps it takes.
/// </returns>
private static int CostEstimate(Vector start, Vector target)
{
var temp = new Vector(start.X, start.Y);
var cost = 0;
while (!temp.Equals(target))
{
if (temp.X > target.X)
{
temp = new Vector(temp.X - 1, temp.Y);
cost++;
}
else if (temp.X < target.X)
{
temp = new Vector(temp.X + 1, temp.Y);
cost++;
}
if (temp.Y > target.Y)
{
temp = new Vector(temp.X, temp.Y - 1);
cost++;
}
else if (temp.Y < target.Y)
{
temp = new Vector(temp.X, temp.Y + 1);
cost++;
}
}
return cost;
}
