public GameNavmeshHelper(Transform parent)
{
m_parent = parent;
//添加一个子GameObject到parent中，用于寻路
m_navAgent = parent.GetComponentInChildren <NavMeshAgent>();
if (m_navAgent != null)
{
m_navGo = m_navAgent.gameObject;
m_navAgent.enabled = false;
}
else
{
m_navGo = new GameObject();
UnityTools.ChangeObjectParentDontChangeLocalTransform(m_navGo.transform, parent);
ResetPositionToCLoseToNavMesh();
m_navAgent = m_navGo.AddComponent <NavMeshAgent>();
m_navAgent.enabled = false;
m_navAgent.height = 2f;
m_navAgent.radius = 1f;
}
}