Unity开发遇CS0246错误：找不到类型或命名空间Player该怎么解决？

根因说明 #

你代码中使用的Player类型是Rewired输入插件的内置类型，当前代码未引用对应命名空间，导致编译器无法识别该类型。

修复步骤 #

• 第一步：确认你已经完整导入Rewired插件到当前Unity项目，未导入请先完成插件导入操作
• 第二步：在现有代码的using引用区域新增Rewired命名空间引用，代码为：

using Rewired;

• 第三步：修正代码里的语法错误，newVector3缺少空格，修改为new Vector3

修复后完整代码 #

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using Rewired; // 新增的命名空间引用

public class PlayerController : MonoBehaviour{

        public int playerId = 0;
        public Animator animator;
        public GameObject crosshair7;   

        private Player player;

        void Awake() {
            player = ReInput.players.GetPlayer(playerId);
        }

        void Update()
        {
            // 修正了new Vector3的空格问题
            Vector3 movement = new Vector3(Input.GetAxis("MoveHorizontal"),Input.GetAxis("MoveVertical"), 0.0f);

            if(player.GetButton("Fire")) {
                 Debug.Log("Fire");
            }

            Movecrosshair7();

            animator.SetFloat("Horizontal", movement.x);
            animator.SetFloat("Vertical", movement.y);
            animator.SetFloat("Magnitude", movement.magnitude);

            transform.position = transform.position + movement * Time.deltaTime;
        }
        private void Movecrosshair7() {
            Vector3 aim = new Vector3(player.GetAxis("AimHorizontal"), player.GetAxis("AimVertical"), 0.0f);

            if (aim.magnitude > 0.0f) {
                aim.Normalize();
                aim *= 0.04f;
                crosshair7.transform.localPosition = aim;
            }
        }
    }

内容的提问来源于stack exchange，提问作者user16768914