using System.Collections;
using System.Collections.Generic;
using UnityEngine;
 
public class MoveCam : MonoBehaviour
{
 private Vector3 m_camRot;
 private Transform m_camTransform;//攝像機Transform
 private Transform m_transform;//攝像機父物體Transform
 public float m_movSpeed=10;//移動系數
 public float m_rotateSpeed=1;//旋轉系數
 private void Start()
 {
 m_camTransform = Camera.main.transform;
 m_transform = GetComponent<Transform>();
 }
 private void Update()
 {
 Control();
 }
 void Control()
 {
 if (Input.GetMouseButton(0))
 {
  //獲取鼠標移動距離
  float rh = Input.GetAxis("Mouse X");
  float rv = Input.GetAxis("Mouse Y");
 
  // 旋轉攝像機
  m_camRot.x -= rv * m_rotateSpeed;
  m_camRot.y += rh*m_rotateSpeed;
 
 }
 
 m_camTransform.eulerAngles = m_camRot;
 
 // 使主角的面向方向與攝像機一致
 Vector3 camrot = m_camTransform.eulerAngles;
 camrot.x = 0; camrot.z = 0;
 m_transform.eulerAngles = camrot;
 
 // 定義3個值控制移動
 float xm = 0, ym = 0, zm = 0;
 
 //按鍵盤W向上移動
 if (Input.GetKey(KeyCode.W))
 {
  zm += m_movSpeed * Time.deltaTime;
 }
 else if (Input.GetKey(KeyCode.S))//按鍵盤S向下移動
 {
  zm -= m_movSpeed * Time.deltaTime;
 }
 
 if (Input.GetKey(KeyCode.A))//按鍵盤A向左移動
 {
  xm -= m_movSpeed * Time.deltaTime;
 }
 else if (Input.GetKey(KeyCode.D))//按鍵盤D向右移動
 {
  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);
 }
}