using UnityEngine;
using System.Collections;public class LookTargetPos : MonoBehaviour
{public static Vector3 targetPos;//用来保存鼠标点击到地面的位置private bool isMouseDown = false;//判断鼠标左键是否一直按下void Start(){targetPos = this.transform.position;}// Update is called once per framevoid Update(){if (Input.GetMouseButtonDown(0)){isMouseDown = true;LookAtPos();}else if (Input.GetMouseButtonUp(0)){isMouseDown = false;}//如果鼠标左键一直按下，则一直更新鼠标位置if (isMouseDown == true){LookAtPos();}}void LookAtPos(){Ray ray = Camera.main.ScreenPointToRay(Input.mousePosition);RaycastHit hitinfo;bool isCollider = Physics.Raycast(ray, out hitinfo);//判断鼠标是否点击地面if (isCollider == true && hitinfo.collider.tag == "Ground"){targetPos = hitinfo.point;targetPos.y = this.transform.position.y;this.transform.LookAt(targetPos);}}
}

using UnityEngine;
using System.Collections;public enum Playerstate
{Moveing,Idle
}
public class PlayerMove : MonoBehaviour
{private CharacterController controller;public int speed = 4;private float distance;//用来保存游戏主角和目标点的距离public Playerstate state;//保存游戏主角的状态// Use this for initializationvoid Start(){controller = this.GetComponent<CharacterController>();state = Playerstate.Idle;}// Update is called once per framevoid Update(){Move();}void Move(){distance = Vector3.Distance(this.transform.position, LookTargetPos.targetPos);if(distance>0.05f){controller.SimpleMove(this.transform.forward * speed);state = Playerstate.Moveing;print(distance);}else{state = Playerstate.Idle;}}
}

using UnityEngine;
using System.Collections;public class PlayerState : MonoBehaviour
{private PlayerMove playerState;private float distance;// Use this for initializationvoid Start(){playerState = this.GetComponent<PlayerMove>();}// Update is called once per framevoid LateUpdate(){//如果游戏主角在移动就播放跑的动画if (playerState.state == Playerstate.Moveing){PlayAnimation("run");}//如果游戏主角在等待就播放站的动画else if (playerState.state == Playerstate.Idle){PlayAnimation("idle");}}void PlayAnimation(string animationName){animation.CrossFade(animationName);}
}

using UnityEngine;
using System.Collections;public class CameraFollow : MonoBehaviour
{private Vector3 followPos;//用来保存摄像机和游戏主角的相对位置private GameObject player;public float scrollSpeed = 10;//摄像机拉近的速度private bool isRotating = false;//判断鼠标右键是否按下public float rotateSpeed = 2;//摄像机左右旋转的速度private float distance;//保存摄像机和游戏主角距离// Use this for initializationvoid Start(){player = GameObject.FindGameObjectWithTag("Player");followPos = player.transform.position - this.transform.position;this.transform.LookAt(player.transform.position);}// Update is called once per framevoid Update(){Follow();RotateView();ScrollView();}//使摄像机跟随游戏主角运动void Follow(){this.transform.position = player.transform.position - followPos;}//滑动鼠标滑轮的时候可以改变摄像机与游戏主角的距离void ScrollView(){distance = followPos.magnitude;distance += Input.GetAxis("Mouse ScrollWheel");distance=Mathf.Clamp(distance,2,18);followPos = followPos.normalized * distance;}//按下鼠标右键的时候移动鼠标可以改变摄像机的视角void RotateView(){if(Input.GetMouseButtonDown(1)){isRotating = true;}else if(Input.GetMouseButtonUp(1)){isRotating = false;}if(isRotating){this.transform.RotateAround(player.transform.position, player.transform.up, rotateSpeed * Input.GetAxis("Mouse X"));Vector3 originalPos = this.transform.position;Quaternion originalRotation = this.transform.rotation;this.transform.RotateAround(player.transform.position, this.transform.right, -rotateSpeed * Input.GetAxis("Mouse Y"));float x = this.transform.eulerAngles.x;print(x);//限制摄像机旋转的最大，最小位置if(x<10||x>70){this.transform.position = originalPos;this.transform.rotation = originalRotation;}}followPos = player.transform.position - this.transform.position;}
}