private List <VectorTile> GetNeighbors(VectorTile tile, List <VectorTile> tiles)
{
List <VectorTile> neighbors = new List <VectorTile>();
// Creates the box to check all the neighbors
RectInt.PositionEnumerator positions = new RectInt(tile.Position.x - 1, tile.Position.y - 1, 3, 3).allPositionsWithin;
while (positions.MoveNext())
{
// Skip to next tile if it is the original tile.
if (positions.Current == tile.Position)
{
continue;
}
// Checks the VectorTile list to see if there is a tile with the current position.
VectorTile neighborTile = tiles.Find(t => t.Position == positions.Current);
// If tile was found, add it to the neighbors list
if (neighborTile != default(VectorTile))
{
neighbors.Add(neighborTile);
}
}
return(neighbors);
}
private void InitizalizeVectorTilePool()
{
// Creates VectorTile Pool for reusability and reduced memory usage.
_vectorTilesPool = new List <VectorTile>();
_map.CompressBounds(); // Important step when every working with Unity Tilemaps.
RectInt.PositionEnumerator positions = new RectInt
(Vector2Int.FloorToInt(_map.localBounds.min), // Bottom Right Corner.
Vector2Int.FloorToInt(_map.localBounds.size)).allPositionsWithin; // Width x Height.
while (positions.MoveNext())
{
if (_map.HasTile(Vector3Int.FloorToInt((Vector2)positions.Current)))
{
_vectorTilesPool.Add(new VectorTile(positions.Current));
}
}
}