首先展示效果

關(guān)于人物移動(dòng)，這里推薦使用Character Conrroller組件，優(yōu)點(diǎn)就是可以不用處理剛體，不受重力的影響，自帶物理碰撞檢測(cè)。

?人物移動(dòng)代碼包括轉(zhuǎn)向

using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class player : MonoBehaviour
{
    CharacterController characterController;
    Animator animator;

    private float speed;
    public float walkspeed;
    public float runspeed;
    private bool isrun;

    public Transform cam;
    private Vector3 direction;
    public float turnSmoothTime = 0.1f;
    float turnSmoothVelocity;

    void Start()
    {
        characterController = GetComponent<CharacterController>();
        animator = GetComponent<Animator>();
    }   
    // Update is called once per frame
    void Update()
    {
        //獲取按鍵
        float horizontal = Input.GetAxis("Horizontal");
        float vertical = Input.GetAxis("Vertical");
        if (horizontal!=0||vertical!=0)
        {
            
            animator.SetBool("Walk", true);
        }
        else
        {
            animator.SetBool("Walk", false);
        }
        if(Input.GetKey(KeyCode.LeftShift))
        {
            
            animator.SetBool("Run", true);
        }
        else
        {
            animator.SetBool("Run", false);
        }
        isrun=Input.GetKey(KeyCode.LeftShift);
        if(isrun)
        {
            speed = runspeed;
        }
        else
        {
            speed = walkspeed;
        }
        direction =new Vector3(horizontal,0f,vertical);
        if (direction.magnitude>=0.1f)
        {
            float targetangle=Mathf.Atan2(direction.x,direction.z)*Mathf.Rad2Deg+cam.eulerAngles.y;
            float angle = Mathf.SmoothDampAngle(transform.eulerAngles.y, targetangle, ref turnSmoothVelocity, turnSmoothTime);
            transform.rotation=Quaternion.Euler(0f,angle,0f);
            Vector3 moveDir = Quaternion.Euler(0f, targetangle, 0f) * Vector3.forward;
            characterController.Move(moveDir*speed* Time.deltaTime);
        }
        
    }
}
  

接下來(lái)就是攝影機(jī)的調(diào)整，這里使用unity自帶的插件cinemachine，非常的推薦，無(wú)需使用冗雜的代碼即可設(shè)計(jì)較好的攝像機(jī)跟隨視角。

安裝包：

工具欄：Window->Package Manager

安裝即可?

這里我們將使用FreeLook Camera，然后綁定角色：

比較重要的設(shè)置：

? ? ? ? ?TopRig MiddleRig BottomRig 這些是設(shè)置相機(jī)軌道也就基本定義了相機(jī)，上圖數(shù)據(jù)構(gòu)成的試圖比較推薦大家試試，一定要記得改Binding Mode為 World Space。

大家可能會(huì)遇到游戲玩家的運(yùn)動(dòng)方向與按鍵方向相反的狀況，這里只需要將X Axis 中畫紅線部分取消勾選，上方Y(jié) Axis 勾選即可

?攝影機(jī)完成代碼（掛載到Main Camera上）：

using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class ThirdPersoncam : MonoBehaviour
{
    public Transform orientation;
    public Transform player;
    public Transform playerObj;

    public float rotationSpeed;
    // Start is called before the first frame update
    void Start()
    {
    }

    // Update is called once per frame
    void Update()
    {
        Vector3 Dir = player.position - new Vector3(transform.position.x, player.position.y, transform.position.z);
        orientation.forward = Dir.normalized;
        //獲取按鍵
        float horizontal = Input.GetAxis("Horizontal");
        float vertical = Input.GetAxis("Vertical");
        Vector3 inputDir = orientation.forward * vertical + orientation.right * horizontal;
        if (inputDir != Vector3.zero)
        {
            playerObj.forward = Vector3.Slerp(playerObj.forward, inputDir.normalized, Time.deltaTime * rotationSpeed);
        }
    }
}

此處的playerobj以及orientation是掛載在游戲角色上的子空物體，用來(lái)輔助方向。文章來(lái)源地址http://www.zghlxwxcb.cn/news/detail-505406.html

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