public override bool Equals(object obj)
{
DijkstraNode other = obj as DijkstraNode;
return(other != null && other.Point.Equals(this.Point));
}
public DijkstraNode(Vector2Int _point, DijkstraNode _parent = null, int _g = 0)
{
point = _point;
parent = _parent;
g = _g + (parent != null ? point.DistanceEstimate(parent.Point) : 0);
}