1、第一种状况，不带自动寻路功能。ide
Vector3 targetPoint = Vector3.zero; //鼠标点击的位置
CharacterController controller;
void Start () {
targetPoint = transform.position;
controller = GetComponent<CharacterController>();
}
void Update () {
if (Input.GetMouseButton (0)) {
Ray ray = Camera.main.ScreenPointToRay (Input.mousePosition);
RaycastHit hit;
if (Physics.Raycast(ray, out hit)) {
//判断点击的是否地形
if (!hit.collider.name.Equals("Plane")) {
return;
}
//点击位置坐标
targetPoint = hit.point;
//转向
transform.LookAt(new Vector3(targetPoint.x, transform.position.y, targetPoint.z));
}
}
float distance = Vector3.Distance(targetPoint,transform.position);//计算目标位置到当前位置
if(distance > 0.3f) {
controller.SimpleMove(transform.forward * 5f);//角色移动
}
}
2、第二种状况，加上自动寻路技术。
Vector3 targetPoint = Vector3.zero; //鼠标点击的位置
NavMeshAgent agent;
bool flag = false; //控制到达目的地后输出一次提示
void Start () {
targetPoint = transform.position;
agent = GetComponent<NavMeshAgent>();
}
void Update () {
if (Input.GetMouseButton (0)) {
flag = false;
Ray ray = Camera.main.ScreenPointToRay (Input.mousePosition);
RaycastHit hit;
if (Physics.Raycast(ray, out hit)) {
//判断点击的是否地形
if (!hit.collider.name.Equals("Plane")) {
return;
}
//点击位置坐标
targetPoint = hit.point;
//转向
transform.LookAt(new Vector3(targetPoint.x, transform.position.y, targetPoint.z));
//设置寻路的目标点
agent.SetDestination(targetPoint);
agent.speed = 4f;
}
}
if (agent.remainingDistance == 0 && !flag) {
flag = true;
print ("到达了");
}
}
3、记录一些遇到的问题。spa
一、使用第一种方式的时候，须要去掉组件“Nav Mesh Agent”，不然鼠标点击了可是物体不移动，缘由待查明。code
二、每为一个物体加上组件“Nav Mesh Agent”的时候，都须要从新对地形烘焙一次，不然会出现编译错误，“SetDestination can only be called on an active agent that has been placed on a navmesh”。orm