/// <summary>
/// Gets the distance between two GridFields.
/// </summary>
/// <param name="first">The first GridField.</param>
/// <param name="second">The second GridField.</param>
/// <returns>Int32</returns>
public int GetDistance(GridField first, GridField second)
{
int dX = (int)first.Position.X - (int)second.Position.X;
int dY = (int)first.Position.Y - (int)second.Position.Y;
return((int)MathHelper.Sqrt(dX * dX + dY * dY));
}
/// <summary>
/// Initializes a new Grid class.
/// </summary>
/// <param name="width">The Width.</param>
/// <param name="height">The Height.</param>
public Grid(int width, int height)
{
_fields = new GridField[width, height];
GridWidth = width;
GridHeight = height;
for (int x = 0; x <= width - 1; x++)
{
for (int y = 0; y <= height - 1; y++)
{
//detect neighbors
var gridField = new GridField {
Neighbors = GetNeighbors(x, y), Position = new Vector2(x, y)
};
_fields[x, y] = gridField;
}
}
}
/// <summary>
/// Trys to solve a path.
/// </summary>
/// <param name="startField">The Startfield.</param>
/// <param name="targetField">The Targetfield.</param>
/// <param name="path">Out of Positions.</param>
/// <param name="grid">The Grid.</param>
/// <param name="algorithm">The Search-Algorithm.</param>
/// <returns>True on success</returns>
public static bool TrySolve(Grid grid, GridField startField, GridField targetField, IAlgorithm algorithm,
out Stack <GridField> path)
{
return(algorithm.TrySolve(grid, startField, targetField, out path));
}