// This function will look for a tile type at a specific point and return the first version it finds
// Returns null if it can't find one
public static Tile tileAtPoint(Vector2 point, TileTags testTags)
{
int numObjects = Physics2D.OverlapPointNonAlloc(point, _maybeColliderResults);
for (int i = 0; i < numObjects && i < _maybeColliderResults.Length; i++)
{
Tile maybeTile = _maybeColliderResults[i].GetComponent <Tile>();
if (maybeTile != null && maybeTile.hasTag(testTags))
{
return(maybeTile);
}
}
return(null);
}
/////////////////////////////////
// These are convenient functions for adding/removing/checking for tags
// Since they involve bitwise operations, probably best to use these functions instead of altering the tags property directly from code
public bool hasTag(TileTags tag)
{
return((tags & tag) != 0);
}
public void addTag(TileTags tagsToAdd)
{
tags |= tagsToAdd;
}
public void removeTag(TileTags tagsToRemove)
{
tags = tags & ~(tagsToRemove);
}
protected void removeTag(TileTags tagsToRemove)
{
tags = tags & ~(tagsToRemove);
}
protected void addTag(TileTags tagsToAdd)
{
tags |= tagsToAdd;
}