如何创建一个要用sprite的图像实例化的预制模板的枚举

Question

基本上我已经创建了一个预制的"badGuy"，它有三种类型。每个精灵都有自己的精灵图像。因此，我在我的坏蛋序言附带的脚本中创建了以下枚举：

public enum BadGuyType {
  green,
  blue,
  red
}

一直以来，我都在使用一个图像作为我的预制，因为我没有枚举。badGuy游戏对象有一个公共属性，我可以通过检查器添加它，并将其实例化多次，如下所示：

public GameObject badGuy; //I set this in the inspector
void Start () {
badGuys= new List<GameObject> ();
int numberOfBadGuys = 6;
Camera camera = GameObject.FindGameObjectWithTag ("MainCamera").GetComponent<Camera> ();
for (int i = 1; i < numberOfBadGuys + 1; i++) {
    GameObject badGuyObject =  (GameObject)Instantiate(badGuy, new Vector3(Screen.width*i/2, Screen.height*i/6, camera.nearClipPlane ), Quaternion.identity );
    badGuys.Add(badGuyObject);
}

如何为BadGuyType枚举设置图像（最好是以编程方式），并在实例化我的badGuy游戏对象时选择它们？

Answer 1

如果你想让每个坏蛋都有自己的属性，那么你需要为坏蛋创建一个通用类，并将所有变量放在里面。创建一个名为BadGuysManager的脚本，然后在里面实现坏蛋的所有操作，或者从下面复制一个。

功能签名：

void createBadGuy(GameObject badGuyPrefab, BadGuyType badGuyType, Vector3 badGuyPosition)
void setBadGuyType(BadGuyType badGuyType)
BadGuyType getBadGuyType()
void killBadGuy()
GameObject getBadGuyGameObject()

在test.cs脚本中，您可以添加BadGuysManager脚本和列表。

public class test : MonoBehaviour
{
    //Attch the gameObject bad guy here
    public GameObject badGuyPrefab;
    List<BadGuysManager> badGuys = new List<BadGuysManager>();
    // Use this for initialization
    void Start()
    {
        /////////////////////////////////////CREATE 3 bad guys with different colors
        //Bad Guy 1, Green Color
        badGuys.Add(gameObject.AddComponent<BadGuysManager>());
        badGuys[0].createBadGuy(badGuyPrefab, BadGuyType.green, Vector3.zero);
        //Bad Guy 2, Blue Color
        badGuys.Add(gameObject.AddComponent<BadGuysManager>());
        badGuys[1].createBadGuy(badGuyPrefab, BadGuyType.blue, Vector3.zero);
        //Bad Guy 3, Red Color
        badGuys.Add(gameObject.AddComponent<BadGuysManager>());
        badGuys[2].createBadGuy(badGuyPrefab, BadGuyType.red, Vector3.zero);
        /////////////////////////////////////CHANGE bad guy type later on
        //badGuys[0].setBadGuyType(BadGuyType.green);
        /////////////////////////////////////READ bad guy type 
        //BadGuyType badGuyType = badGuys[0].getBadGuyType();
        /////////////////////////////////////Get bad guy 
        //GameObject badGuy = badGuys[0].getBadGuyGameObject();
        /////////////////////////////////////KILL bad guy type 
        //badGuys[0].killBadGuy();
    }
}

下面的代码应该在BadGuysManager.cs脚本中。这应该会让你开始。您可以很容易地将更多函数扩展或添加到BadGuysManager类中。

public class BadGuysManager : MonoBehaviour
{
    private GameObject badGuy; //I set this in the inspector
    private BadGuyType playerGuyType = BadGuyType.NONE;
    public void setBadGuyType(BadGuyType badGuyType)
    {
        playerGuyType = badGuyType;
        if (badGuy == null)
        {
            Debug.Log("Failed to set color because Bad Guy Prefab is null! Call createBadGuy function first");
            return; //exit
        }
        if (badGuyType == BadGuyType.green)
        {
            badGuy.GetComponent<MeshRenderer>().material.color = Color.green;
        }
        else if (badGuyType == BadGuyType.blue)
        {
            badGuy.GetComponent<MeshRenderer>().material.color = Color.blue;
        }
        if (badGuyType == BadGuyType.red)
        {
            badGuy.GetComponent<MeshRenderer>().material.color = Color.red;
        }
    }
    public BadGuyType getBadGuyType()
    {
        return playerGuyType;
    }

    public void createBadGuy(GameObject badGuyPrefab, BadGuyType badGuyType, Vector3 badGuyPosition)
    {
        if (badGuyPrefab == null)
        {
            Debug.Log("Bad Guy Prefab is null!");
            return; //exit
        }
        badGuy = (GameObject)Instantiate(badGuyPrefab, badGuyPosition, Quaternion.identity);
        setBadGuyType(badGuyType);
    }
    public void killBadGuy()
    {
        Destroy(badGuy);
        Destroy(this);
    }
    public GameObject getBadGuyGameObject()
    {
        return badGuy;
    }
}
public enum BadGuyType
{
    NONE,
    green,
    blue,
    red
}