//this version get all moore neighbours including walls: is a more general version
public static Vector2Int[] getAllMooreNeighbours_General(Vector2Int id, ITypeGrid TypeGrid, int width, int height)
{
Vector2Int[] results = new Vector2Int[] { };
foreach (Vector2Int dir in TypeGrid.getDirs())
{
Vector2Int next = new Vector2Int(id.x + dir.x, id.y + dir.y);
if (in_bounds_General(next, width, height))
{
Array.Resize(ref results, results.Length + 1);
results[results.GetUpperBound(0)] = next;
}
}
foreach (Vector2Int dir in TypeGrid.getDiags())
{
Vector2Int next = new Vector2Int(id.x + dir.x, id.y + dir.y);
if (in_bounds_General(next, width, height))
{
Array.Resize(ref results, results.Length + 1);
results[results.GetUpperBound(0)] = next;
}
}
if ((id.x + id.y) % 2 == 0)
{
Array.Reverse(results);
}
return(results);
}
//this version get all neighbours walls excluded
public Vector2Int[] getNeighbours(Vector2Int id)
{
Vector2Int[] results = new Vector2Int[] { };
foreach (Vector2Int dir in TypeGrid.getDirs())
{
Vector2Int next = new Vector2Int(id.x + dir.x, id.y + dir.y);
if (in_bounds(next) && passable(next))
{
Array.Resize(ref results, results.Length + 1);
results[results.GetUpperBound(0)] = next;
}
}
if ((id.x + id.y) % 2 == 0)
{
Array.Reverse(results);
}
return(results);
}
//this version get all neighbours including walls and cells outside the grid: is a more general version
public static Vector2Int[] getAllNeighboursWOBoundCheck_General(Vector2Int id, ITypeGrid TypeGrid)
{
Vector2Int[] results = new Vector2Int[] { };
foreach (Vector2Int dir in TypeGrid.getDirs())
{
Vector2Int next = new Vector2Int(id.x + dir.x, id.y + dir.y);
Array.Resize(ref results, results.Length + 1);
results[results.GetUpperBound(0)] = next;
}
if ((id.x + id.y) % 2 == 0)
{
Array.Reverse(results);
}
return(results);
}