Question

我试图改变场景中玩家的精灵。我有一个脚本来管理从播放器切换到另一个播放器时激活的脚本。我想添加一个功能，当切换非活动播放器时，它会变为黑色＆amp;白色的精灵和积极的球员保持着色的精灵。任何人都可以帮助，因为首先不改变玩家的精灵和玩家的第二个游戏对象吗？

以下是代码：

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

public class switchCharacter : MonoBehaviour {

    public GameObject Psyco1;
    public GameObject Psyco2;
    public PlayerControllerPsyco1 script1;
    public PlayerControllerPsyco2 script2;
    public Sprite sprite1; // Psyco1 color
    public Sprite sprite2; // Psyco2 decolorized
    public SpriteRenderer spriteRendererPsyco1; 
    public SpriteRenderer spriteRendererPsyco2; 

    void  Start (){
        script1 = Psyco1.GetComponent<PlayerControllerPsyco1>();
        script2 = Psyco2.GetComponent<PlayerControllerPsyco2>();
        script1.enabled = true;
        script2.enabled = false;
        spriteRendererPsyco1 = GetComponent<SpriteRenderer>();
        spriteRendererPsyco2 = GetComponent<SpriteRenderer>();
        if (spriteRendererPsyco1.sprite == null) // if the sprite on spriteRenderer is null then
            spriteRendererPsyco1.sprite = sprite1; // set the sprite to Psyco1 Color
    }

    void  Update (){
        if (Input.GetButtonDown("switch1")){
            script1.enabled = !script1.enabled;
            script2.enabled = !script2.enabled;
            //spriteRendererPsyco1.sprite = sprite2;
            DesaturizePsyco (); // call method to change Psyco sprite
        }
    }

    public void changeCharacterBtn() {
        if (script1.enabled = !script1.enabled) // if the spriteRenderer sprite = sprite1 then change to sprite2
        {
            GameObject.Find ("PlayerFirst").GetComponent<SpriteRenderer> ().sprite = sprite2;
        }
        //script1.enabled = !script1.enabled;
        if (script2.enabled = !script2.enabled;) // if the spriteRenderer sprite = sprite1 then change to sprite2
        {
            GameObject.Find ("PlayerSecond").GetComponent<SpriteRenderer> ().sprite = sprite1;
        }
        //script2.enabled = !script2.enabled;
        DesaturizePsyco ();

    }

    void DesaturizePsyco ()
    {
        if (spriteRendererPsyco1.sprite == sprite1) // if the spriteRenderer sprite = sprite1 then change to sprite2
        {
            GameObject.Find ("PlayerFirst").GetComponent<SpriteRenderer> ().sprite = sprite2;
        }
        else
        {
            spriteRendererPsyco1.sprite = sprite1; // otherwise change it back to sprite1
        }
    }

}

Answer 1

首先尝试始终发布最小的剥离脚本：此处changeCharacterBtn()方法无效（我建议您对帖子进行编辑）。在if (script2.enabled = !script2.enabled;)还有一个拼写错误。另外我猜你的代码在播放时会抛出错误：你检查了控制台吗？

关于您的脚本，以下是我看到的错误：

spriteRendererPsyco1 = GetComponent<SpriteRenderer>();代替spriteRendererPsyco1 = Psyco1.GetComponent<SpriteRenderer>();（Psyco2相同）
script1，script2，spriteRendererPsyco1和spriteRendererPsyco2应设置为私有，因为您在Start()中引用它们（不需要它们出现在检查员）

所以这是您的脚本的更正版本：

public class switchCharacter : MonoBehaviour
{
    public GameObject Psyco1;
    public GameObject Psyco2;
    private PlayerControllerPsyco1 script1;
    private PlayerControllerPsyco1 script2;
    public Sprite sprite1; // Psyco1 color
    public Sprite sprite2; // Psyco2 decolorized
    private SpriteRenderer spriteRendererPsyco1;
    private SpriteRenderer spriteRendererPsyco2;

    void Start()
    {
        script1 = Psyco1.GetComponent<PlayerControllerPsyco1>();
        script2 = Psyco2.GetComponent<PlayerControllerPsyco1>();
        script1.enabled = true;
        script2.enabled = false;
        spriteRendererPsyco1 = Psyco1.GetComponent<SpriteRenderer>();
        spriteRendererPsyco2 = Psyco2.GetComponent<SpriteRenderer>();
        if(spriteRendererPsyco1.sprite == null) // if the sprite on spriteRenderer is null then
            spriteRendererPsyco1.sprite = sprite1; // set the sprite to Psyco1 Color
    }

    void Update()
    {
        if(Input.GetButtonDown("switch1"))
        {
            script1.enabled = !script1.enabled;
            script2.enabled = !script2.enabled;
            //spriteRendererPsyco1.sprite = sprite2;
            DesaturizePsyco(); // call method to change Psyco sprite
        }
    }

    void DesaturizePsyco()
    {
        if(spriteRendererPsyco1.sprite == sprite1) // if the spriteRenderer sprite = sprite1 then change to sprite2
        {
            GameObject.Find("PlayerFirst").GetComponent<SpriteRenderer>().sprite = sprite2;
        }
        else
        {
            spriteRendererPsyco1.sprite = sprite1; // otherwise change it back to sprite1
        }
    }
}

作为旁注，这里有一些关于通用编程的建议：

考虑使用大写字母来启动类名（这是C＃中的一般约定）
使用 Sprites 比较来确定当前使用的播放器可能不是最强大的继续方式（可能考虑使用bool变量）
始终尽量保持代码尽可能干净（没有双重空格，使用大写字母保持相同的命名约定：Psyco1但script1，...）

希望这有帮助，

触摸Unity 2D按钮时更改播放器的精灵

1 个答案: