先看效果：

（鍵鼠）:

人物會隨著指針轉動，WASD控制人物移動。

鼠標

鍵盤就是去除掉鍵鼠的看向鼠標指針，改成看向最后方向

代碼：

using System.Collections; using System.Collections.Generic; using UnityEngine; using UnityEngine.AI; using UnityEngine.EventSystems; public enum EControlType {KeyBrd,Mouse,KeyMouse } public class PlayerController : MonoBehaviour {Animator animator;NavMeshAgent agent;public float speed = 5.0f;public AudioClip clipFoot;EControlType ControlType;bool isKeyMouse;void Start(){animator = GetComponent<Animator>();agent = GetComponent<NavMeshAgent>();agent.speed = speed;}void Update(){//按鍵float h = Input.GetAxis("Horizontal");float v = Input.GetAxis("Vertical");Vector3 dir = new Vector3(h, 0, v);dir = Camera.main.transform.TransformDirection(dir);dir.y = 0;if (dir.magnitude > 0.1f){ControlType = EControlType.KeyBrd;agent.isStopped = true;}transform.Translate(dir * speed * Time.deltaTime, Space.World);//網格導航尋路transform.LookAt(dir + transform.position);if (EventSystem.current.IsPointerOverGameObject()){return;}if (agent && Input.GetMouseButtonDown(1)){Ray ray = Camera.main.ScreenPointToRay(Input.mousePosition);RaycastHit hit;if (Physics.Raycast(ray, out hit, 1 << 6)){agent.destination = hit.point;ControlType = EControlType.Mouse;agent.isStopped = false;}}//鼠標加鍵盤if (agent){Ray ray = Camera.main.ScreenPointToRay(Input.mousePosition);RaycastHit hit;// 第三個參數(shù):距離,第四個:碰撞器 if (Physics.Raycast(ray, out hit, 100f, 1 << 6)){if (Input.GetKeyDown(KeyCode.Space)){isKeyMouse = !isKeyMouse;}if (isKeyMouse){ControlType = EControlType.KeyMouse;transform.LookAt(hit.point);agent.isStopped = false;}}}//二 動畫和位移 切換方式switch (ControlType){case EControlType.KeyBrd:transform.Translate(dir * speed * Time.deltaTime, Space.World);animator.SetFloat("Speed", dir.magnitude);transform.LookAt(transform.position + dir);break;case EControlType.Mouse:float curSpeed = agent.velocity.magnitude / speed;print("curSpeed= " + curSpeed);animator.SetFloat("Speed", curSpeed);break;case EControlType.KeyMouse:transform.Translate(dir * speed * Time.deltaTime, Space.World);animator.SetFloat("Speed", dir.magnitude);break;}}void playFootSound(){AudioSource.PlayClipAtPoint(clipFoot, transform.position);}public void normalAttack(int index){animator.SetInteger("NormalAttack", index);}}

總結

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