我对团结还很陌生,因此,如果这是一个简单的解决方法,很抱歉,但我无法弄清楚。我收到null错误,与我的playerInputHandler有关。有人可以指出我要去哪里了吗?我会很感激。
错误:NullReferenceException:对象引用未设置为对象的实例 Mover.Update()(位于Assets / Scripts / Mover.cs:37)
PlayerInputHandler.cs
using System.Collections;
using System.Collections.Generic;
using System.Linq;
using UnityEngine;
using UnityEngine.InputSystem;
using static UnityEngine.InputSystem.InputAction;
public class PlayerInputHandler : MonoBehaviour
{
private PlayerInput playerInput;
private Mover mover;
public bool JumpPressed = false;
public bool JumpPressing = false;
private void Awake()
{
playerInput = GetComponent<PlayerInput>();
var movers = FindObjectsOfType<Mover>();
var index = playerInput.playerIndex;
mover = movers.FirstOrDefault(m => m.GetPlayerIndex() == index);
}
public void OnMove(CallbackContext context)
{
if(mover != null)
mover.SetInputVector(context.ReadValue<Vector2>());
}
public void OnJump(CallbackContext context)
{
if(mover != null)
{
if (context.started)
{
JumpPressing = true;
}
else if (context.canceled)
{
JumpPressed = true;
}
}
}
void LateUpdate()
{
JumpPressing = false;
JumpPressed = false;
}
}
Mover.cs
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
public class Mover : MonoBehaviour
{
[SerializeField] private float MoveSpeed, JumpSpeed;
[SerializeField] private int playerIndex = 0;
private Rigidbody2D rb;
private Vector3 moveDirection = Vector3.zero;
private Vector2 inputVector = Vector2.zero;
PlayerInputHandler playerInputHandler;
private void Awake()
{
rb = GetComponent<Rigidbody2D>();
playerInputHandler = GetComponent<PlayerInputHandler>();
}
public int GetPlayerIndex()
{
return playerIndex;
}
public void SetInputVector(Vector2 direction)
{
inputVector = direction;
}
void Update()
{
Vector3 movement = new Vector3(inputVector.x, /*inputVector.y*/0, 0) * MoveSpeed * Time.deltaTime;
transform.Translate(movement);
if(playerInputHandler.JumpPressed)
{
rb.AddForce(new Vector4(0, JumpSpeed), ForceMode2D.Impulse);
}
if(playerInputHandler.JumpPressing)
{
Debug.Log("Are you going to jump?");
}
}
}
答案 0 :(得分:0)
playerInputHandler为null。确保在与Mover相同的对象上具有PlayerInputHandler组件。您还可以在Update()函数的开头添加Assert.IsNotNull(playerInputHandler);
,以帮助防止此类不良行为。