Unity键盘WASD实现物体移动

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=1;//旋转系数 private void Start() { m_camTransform = Camera.main.transform; m_transform = GetComponent<Transform>(); } private void Update() { Control(); } void Control() { if (Input.GetMouseButton(0)) {  //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; } else if (Input.GetKey(KeyCode.S))//按键盘S向下移动 {  zm -= m_movSpeed * Time.deltaTime; }  if (Input.GetKey(KeyCode.A))//按键盘A向左移动 {  xm -= m_movSpeed * Time.deltaTime; } else if (Input.GetKey(KeyCode.D))//按键盘D向右移动 {  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); }}