Unity中C＃的错误

Question

我有这些错误我不理解试图修复自己，但我还在学习团结

我有代码

Card.cs

using UnityEngine;
using UnityEngine.UI;
using System.Collections;

public class Card : MonoBehaviour {

    public static bool DO_NOT = false;

    [SerializeField]
    private int state;

    [SerializeField]
    private int cardValue;

    [SerializeField]
    private bool initialized = false;

    private Sprite cardBack;
    private Sprite cardFace;

    private GameObject manager;

    void start() {
        state = 0;
        manager = GameObject.FindGameObjectsWithTag ("Manager");

    }

    public void setupGrapgics() {

        cardBack = manager.GetComponents<GameManager> ().getCardBack ();
        cardFace = manager.GetComponents<GameManager> ().getCardFace (cardValue);

        flipCard ();

    }

    void flipCard() {

        if(state == 0 && !DO_NOT)
            GetComponent<Image> ().sprite = cardBack;
        else if (state == 1 && !DO_NOT)
            GetComponent<Image> ().sprite = cardFace;

    }

    public int CardValue {

        get { return cardValue;}
        set { cardValue = value; }

    }

    public int State {

        get { return state; }
        set { state = value; }
    }

    public bool Initialized {

        get { return initialized; }
        set { Initialized = value; }

    }

    public void falseCheck(){

        StartCoroutine (pause ());

    }

    IEnumerator pause() {

    yield return new WaitForSeconds (1);
    if (state == 0)
        GetComponent<Image> ().sprite = cardBack;
    else if (state == 1)
        GetComponent<Image> ().sprite = cardFace;
    DO_NOT = false;

    }
}

Answer 1

这个错误是因为“FindGameObjectsWithTag”（return []），改为“FindGameObjectWithTag”

Answer 2

第一个错误是因为方法GameObject.FindGameObjectsWithTag ("Manager");返回一个数组，并且您尝试将该数组分配给非数组类型。您应该使用GameObject.FindGameObjectWithTag("Manager");（注意，在对象中没有＆＃39; s），它只返回与标记匹配的第一个GameObject。

最后两个错误与第一个错误有关，因为它们也返回数组。行manager.GetComponents<GameManager> ()返回组件数组。要仅返回给定类型的第一个组件，请使用manager.GetComponent<GameManager>()。