private HashSet <Vector3Int> RecenterLowerLeft(ICollection <Vector3Int> positions)
{
Vector3Int origin = TilemapExtras.GetLowerLeft(positions);
List <Vector3Int> converted = new List <Vector3Int>(positions).ConvertAll((p) => p - origin);
return(new HashSet <Vector3Int>(converted));
}
public Shape(List <Vector3Int> positions, Sprite sprite)
{
this.sprite = sprite;
HashSet <Vector3Int> converted = RecenterLowerLeft(positions);
this.rightBounds = TilemapExtras.GetBounds(converted);
this.right = converted;
foreach (Vector3Int pos in converted)
{
left.Add(new Vector3Int(-pos.x, -pos.y, 0));
up.Add(new Vector3Int(-pos.y, pos.x, 0));
down.Add(new Vector3Int(pos.y, -pos.x, 0));
}
left = RecenterLowerLeft(left);
up = RecenterLowerLeft(up);
down = RecenterLowerLeft(down);
}
