【Unity】第一人称实现键盘移动WASD

背景：开发影院场景

环境：Unity2021.3

1. 功能：WASD键实现移动、鼠标左右平滑实现转向

2. 代码：挂载在相机的父物体上（好像是因为相机本身不支持移动？如有误望指正）

   using System.Collections;
   using System.Collections.Generic;
   using UnityEngine;
    
   public class MoveCam : MonoBehaviour {
       private Vector3 m_camRot;
       private Transform m_camTransform;   //摄像机Transform
       private Transform m_transform;      //摄像机父物体Transform
       public float m_movSpeed=10;         //移动系数
       public float m_rotateSpeed=10;       //旋转系数
       
       private void Start() {
           m_camTransform = Camera.main.transform;
           m_transform = GetComponent<Transform>();
       }
       
       private void Update() {
           Control();
       }
       
       void Control() {
           //获取鼠标移动距离
           float rh = Input.GetAxis("Mouse X");
           float rv = Input.GetAxis("Mouse Y");
   
           // 旋转摄像机
           m_camRot.x -= rv * m_rotateSpeed;
           m_camRot.y += rh * m_rotateSpeed;
   
           m_camTransform.eulerAngles = m_camRot;
   
           // 使主角的面向方向与摄像机一致
           Vector3 camrot = m_camTransform.eulerAngles;
           camrot.x = 0; camrot.z = 0;
           m_transform.eulerAngles = camrot;
   
           // 定义3个值控制移动
           float xm = 0, ym = 0, zm = 0;
   
           //按键盘W向上移动
           if (Input.GetKey(KeyCode.W)) {
               zm += m_movSpeed * Time.deltaTime;
           }
           //按键盘S向下移动
           else if (Input.GetKey(KeyCode.S)) { 
               zm -= m_movSpeed * Time.deltaTime;
           }
           //按键盘A向左移动
           if (Input.GetKey(KeyCode.A)) {
               xm -= m_movSpeed * Time.deltaTime;
           }
           //按键盘D向右移动
           else if (Input.GetKey(KeyCode.D)) {
               xm += m_movSpeed * Time.deltaTime;
           }
           if (Input.GetKey(KeyCode.Space) && m_transform.position.y <= 3) {
               ym += m_movSpeed * Time.deltaTime;
           }
           if (Input.GetKey(KeyCode.F) && m_transform.position.y >= 1) {
               ym -= m_movSpeed * Time.deltaTime;
           }
           m_transform.Translate(new Vector3(xm,ym,zm), Space.Self);
       }
   }