Unity版本：2019.2.3f1

目錄

?安裝InputSystem

1：創(chuàng)建InputHander.cs腳本?掛載到Player物體上?獲取鍵盤輸入WADS

2.創(chuàng)建PlayerLocomotion.cs掛載到Player物體上，控制物體移動轉(zhuǎn)向

?

?安裝InputSystem

菜單欄/Window/Package Manager/Input System

?工程面板內(nèi)?右鍵-->創(chuàng)建Input Actions?

選中New Controls改名為PlayerControls?然后屬性?面板按下Edit asset

?Action Maps添加：PlayerMovement

Actions添加：New action?改名為MovementAction?

Properties項(xiàng)? ? 修改ActionType=Pass Through

? ? ? ? ? ? ? ? ? ? ? ? 修改ControlType= Vector2

在MovementAction項(xiàng)點(diǎn)擊+號?選擇Add 2D Vector Composite

?

?生成WASD

綁定Up、Down、Left、Right,如此類推

回到PlayerControls屬性面板?勾選Generate C# Class[*]

?

?工程面板就生成了一份?PlayerControls.cs?腳本，先不管它?

?

?

然后創(chuàng)建2個(gè)腳本掛到Player物體上

1：創(chuàng)建InputHander.cs腳本?掛載到Player物體上?獲取鍵盤輸入WADS

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

public class InputHander : MonoBehaviour
{

    public float horizontal;
    public float vertical;
    public float moveAmount;
    public float mouseX;
    public float mouseY;

    PlayerControls inputActions;//聲明 InputSystem的腳本對象
    Vector2 movementInput;//存儲 WASD輸入的值

    public void OnEnable()
    {
        //獲取設(shè)備上的輸入
        if (inputActions == null)
        {
            inputActions = new PlayerControls();
            //綁定輸入的值
            inputActions.PlayerMovement.MovementAction.performed += outputActions => movementInput = outputActions.ReadValue<Vector2>();
        }

        inputActions.Enable();//啟用
    }

    public void OnDisable()
    {
        inputActions.Disable();//禁用
    }


    public void TickInputt(float delta)
    {
        MoveInput(delta);
    }

    public void MoveInput(float delta) {

        horizontal = movementInput.x;
        vertical = movementInput.y;
        moveAmount = Mathf.Clamp01(Mathf.Abs(horizontal) + Mathf.Abs(vertical));
    }

}

2.創(chuàng)建PlayerLocomotion.cs掛載到Player物體上，控制物體移動轉(zhuǎn)向

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

public class PlayerLocomotion : MonoBehaviour
{

    InputHander inputHander;
    Vector3 moveDirection;

    public CapsuleCollider capsuleCollider;
    public new Rigidbody rigidbody;
    Vector2 movementInput;//存儲 WASD輸入的值
    Transform cameraObject;

    [HideInInspector]
    public Transform myTransform;

    [Header("Stats")]
    [SerializeField]
    float movementSpeed = 5;
    [SerializeField]
    float rotationSpeed = 10;



    // Start is called before the first frame update
    void Start()
    {
        rigidbody = GetComponent<Rigidbody>();
        if (rigidbody==null)
        {
            rigidbody = gameObject.AddComponent<Rigidbody>();
            rigidbody.constraints = RigidbodyConstraints.FreezeRotation;
            
        }
        capsuleCollider = GetComponent<CapsuleCollider>();
        if (capsuleCollider==null)
        {
            capsuleCollider = gameObject.AddComponent<CapsuleCollider>();
            capsuleCollider.center = new Vector3(0, 1, 0);
            capsuleCollider.radius = 0.5f;
            capsuleCollider.height = 2;
            capsuleCollider.direction = 1;
        }
       
        inputHander = GetComponent<InputHander>();
        cameraObject = Camera.main.transform;
        myTransform = transform;
    }

    // Update is called once per frame
    void Update()
    {
        float delta = Time.deltaTime;
        inputHander.TickInputt(delta);

        moveDirection = cameraObject.forward * inputHander.vertical;
        moveDirection += cameraObject.right * inputHander.horizontal;
        moveDirection.Normalize();

        float speed = movementSpeed;
        moveDirection *= speed;

        //移動
        Vector3 projectedVelocity = Vector3.ProjectOnPlane(moveDirection, new Vector3(0, 0, 0));
        rigidbody.velocity = projectedVelocity;

        HandleRotation(delta);
    }

    //轉(zhuǎn)向
    private void HandleRotation(float delta) {

        Vector3 targerDir = Vector3.zero;

        targerDir = cameraObject.forward * inputHander.vertical;
        targerDir += cameraObject.right * inputHander.horizontal;

        targerDir.Normalize();
        targerDir.y = 0;

        if (targerDir == Vector3.zero)
        {
            targerDir = myTransform.forward;
        }

        Quaternion tr = Quaternion.LookRotation(targerDir);
        Quaternion targetRotation = Quaternion.Slerp(myTransform.rotation, tr, rotationSpeed * delta);

        myTransform.rotation = targetRotation;
    
    }
}

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