static public void Draw(this Vector3 point, float extend = 0.5f, Color? color = null) {
Color c = color ?? Color.white;
Debug.DrawRay(
point,
new Vector3(extend, extend, 0),
c
);
Debug.DrawRay(
point,
new Vector3(-extend, extend, 0),
c
);
Debug.DrawRay(
point,
new Vector3(-extend, -extend, 0),
c
);
Debug.DrawRay(
point,
new Vector3(extend, -extend, 0),
c
);
}
/// <summary>