public static int DistanceSquared(Vector2i a, Vector2i b)
{
int dx = b.x - a.x;
int dy = b.y - a.y;
return dx * dx + dy * dy;
}
public int DistanceSquared(Vector2i v)
{
return DistanceSquared (this, v);
}
private static Vector3 Convert(Vector2i v)
{
return Convert((Vector2) v);
}