using UnityEngine;
using System.Collections.Generic;
using UnityEngine.EventSystems;
using UnityEngine.UI;
public class ManualRoam
{
private static ManualRoam mouse_this;
public static ManualRoam Instance()
{
if (mouse_this == null)
{
mouse_this = new ManualRoam();
}
return mouse_this;
}
private Vector3 targetVector3;
public float movespeed = 1.5f;
private bool IsOver = true;
public GameObject player;
public Camera firstCamera;
float sensitivityX = 1f;
//控制视野缩放的速率
private float sensitivetyMouseWheel = 10f;
private float maximum = ;
private float minmum = ;
//定义控制人物
private float rotateSpeed = 45f;
private float playerMoveSpeed = 2.5f;
//鼠标双击的参数
private float delay = 0.5f;
private float _firstClickTime = ;
private bool _oneClick = false; //点击了第一下
public bool IsMove;
//UI防止穿透定义
private GraphicRaycaster graphicRaycaster;
private EventSystem eventSystem;
float YDistance = 1.823f;
public ScreenView_1Main screenView_1Main;
public void Awake(GameObject _player, GameObject cam,ScreenView_1Main _this)
{
//YDistance = y;
//Debug.LogError("YDistance = " + YDistance);
//第一人称赋值
player = _player;
firstCamera = cam.GetComponent<Camera>();
targetVector3 = _player.transform.position;
screenView_1Main = _this;
//发现组件
graphicRaycaster = GameObject.Find("CanvasUI").GetComponent<GraphicRaycaster>();
eventSystem = GameObject.Find("EventSystem").GetComponent<EventSystem>();
//player = GameObject.Find("Player");
//firstCamera = player.transform.Find("playerCamera").GetComponent<Camera>();
allmouseIcon=new List<GameObject>();
}
private RaycastHit hitInfo;
public void Update()
{
if (CheckGuiRaycastObjects())
return;
screenView_1Main.my_mouseController.SetRoamPoint (player.transform.position);
//当player的距离和箭头的距离小于0.5的时候,销毁掉箭头
foreach (var kk in allmouseIcon)
{
if (kk != null)
{
if (Vector3.Distance(kk.transform.position, new Vector3 (player.transform.position.x, 0.1f, player.transform.position.z)) < 0.5f)
{
GameObject.Destroy (kk);
}
}
}
if (Input.GetMouseButtonDown() && !EventSystem.current.IsPointerOverGameObject())
{
if (_oneClick && Time.time - _firstClickTime < delay)
{
//双击
_oneClick = false;
IsMove = false;//移动暂停
}
else
{
//Debug.LogError("here");
_oneClick = true;
IsMove = true;//开始移动
_firstClickTime = Time.time;
//1. 获取鼠标点击位置
//创建射线;从摄像机发射一条经过鼠标当前位置的射线
Ray ray = firstCamera.ScreenPointToRay(Input.mousePosition);
//发射射线
hitInfo = new RaycastHit();
if (Physics.Raycast(ray, out hitInfo))
{
//Debug.LogError("hitInfo.collider.tag = " + hitInfo.collider.name);
//Debug.LogError("hitInfo.collider.name = " + hitInfo.collider.name);
//获取碰撞点的位置
if (hitInfo.collider.tag == "Ground")
{
//Debug.LogError(hitInfo.collider.name);
targetVector3 = hitInfo.point;
//Debug.LogError("hitInfo.point = " + hitInfo.point);
//Debug.LogError("距离为：" + Vector3.Distance(player.transform.position, hitInfo.point));
targetVector3.y = targetVector3.y + 1.5f; ;
//朝向点击位置
player.transform.LookAt(targetVector3);
GameObject.Destroy(mouseIcon);
foreach (var kk in allmouseIcon)
{
GameObject.Destroy (kk);
}
allmouseIcon.Clear();
CreateMousePoint(hitInfo.point);
IsOver = false;
}
}
Debug.DrawLine(ray.origin, hitInfo.point, Color.red);//画出射线
}
}
if (IsMove == true)
{
// Debug.Log("m_Play" + m_Play);
//2. 让角色移动到目标位置
MoveTo(targetVector3);
}
player.GetComponent<Rigidbody>().velocity = Vector3.zero;
if (Input.GetMouseButton())
{
if (player == null)
return;
//视角移动
player.transform.Rotate(, -Input.GetAxis("Mouse X") * sensitivityX, );
}
}
//UI射线无响应
bool CheckGuiRaycastObjects()
{
PointerEventData eventData = new PointerEventData(eventSystem);
eventData.pressPosition = Input.mousePosition;
eventData.position = Input.mousePosition;
List<RaycastResult> list = new List<RaycastResult>();
graphicRaycaster.GetComponent<GraphicRaycaster>().Raycast(eventData, list);
//Debug.LogError("list.Count = " + list.Count);
return list.Count > ;
}
public void FixedUpdate()
{
//手动控制移动
float h = Input.GetAxis("Horizontal");
float v = Input.GetAxis("Vertical");
//朝一个方向移动 new Vector3(h, 0, v) * playerMoveSpeed * Time.deltaTime是个向量
player.transform.Translate(new Vector3(, , v) * playerMoveSpeed * Time.deltaTime);
player.transform.Rotate(new Vector3(, h, ) * rotateSpeed * Time.deltaTime);
}
//让角色移动到目标位置
private void MoveTo(Vector3 tar)
{
if (!IsOver)
{
Vector3 offSet = tar - player.transform.position;
player.transform.position += offSet.normalized * movespeed * Time.deltaTime;
if (Vector3.Distance(tar, player.transform.position) < 0.5f)
{
IsOver = true;
player.transform.position = tar;
}
}
}
//创建鼠标点击点的图标及移动动画
private GameObject mouseIcon;
public List<GameObject> allmouseIcon;
private void CreateMousePoint(Vector3 pos)
{
Vector3 disnum;
Vector3 tempOrigin = new Vector3 (player.transform.position.x, 0.1f, player.transform.position.z);
screenView_1Main.myEquipSearch.isshoudongfollow = false;
if (Vector3.Distance (tempOrigin, pos)>=)
{
for (int i = ; i < Vector3.Distance (tempOrigin, pos)/; i++) {
mouseIcon = Resources.Load<GameObject>("ui/direction/Arrow");
mouseIcon = GameObject.Instantiate(mouseIcon);
allmouseIcon.Add (mouseIcon);
}
//Debug.Log (allmouseIcon.Count);
}
else
{
mouseIcon = Resources.Load<GameObject>("ui/direction/Arrow");
mouseIcon = GameObject.Instantiate(mouseIcon);
allmouseIcon.Add(mouseIcon);
}
disnum = (pos- tempOrigin).normalized*Vector3.Distance (tempOrigin, pos)/allmouseIcon.Count;
for (int i = allmouseIcon.Count; i > ; i--)
{
int temp = i;
allmouseIcon[temp-].transform.position = tempOrigin + disnum * i;
allmouseIcon[temp-].transform.localEulerAngles = new Vector3(mouseIcon.transform.localEulerAngles.x, player.transform.localEulerAngles.y, mouseIcon.transform.localEulerAngles.z);//图标方向和摄像机方向一致
}
}
}
unity中让物体移动到鼠标点击地面任一点的位置（单击移动和双击暂停移动）并生成图标的相关教程结束。
