private static void DrawVO(Vector2 circleCenter, float radius, Vector2 origin)
{
float num = Mathf.Atan2((origin - circleCenter).y, (origin - circleCenter).x);
float num2 = radius / (origin - circleCenter).magnitude;
float num3 = (num2 > 1f) ? 0f : Mathf.Abs(Mathf.Acos(num2));
Agent.DrawCircle(circleCenter, radius, num - num3, num + num3, Color.black);
Vector2 vector = new Vector2(Mathf.Cos(num - num3), Mathf.Sin(num - num3)) * radius;
Vector2 vector2 = new Vector2(Mathf.Cos(num + num3), Mathf.Sin(num + num3)) * radius;
Vector2 p = -new Vector2(-vector.y, vector.x);
Vector2 p2 = new Vector2(-vector2.y, vector2.x);
vector += circleCenter;
vector2 += circleCenter;
Debug.DrawRay(Agent.To3D(vector), Agent.To3D(p).normalized * 100f, Color.black);
Debug.DrawRay(Agent.To3D(vector2), Agent.To3D(p2).normalized * 100f, Color.black);
}