2D游戏知识点五Unity 游戏加载页面显示

Posted 2021-10-17 シ゛甜虾

unity帮助文档

Unity - Manual: Unity User Manual 2020.3 (LTS)

游戏页面加载帮助文档

https://docs.unity3d.com/ScriptReference/AsyncOperation-allowSceneActivation.html

官方示例代码

//This script lets you load a Scene asynchronously. It uses an asyncOperation to calculate the progress and outputs the current progress to Text (could also be used to make progress bars).

//Attach this script to a GameObject
//Create a Button (Create>UI>Button) and a Text GameObject (Create>UI>Text) and attach them both to the Inspector of your GameObject
//In Play Mode, press your Button to load the Scene, and the Text changes depending on progress. Press the space key to activate the Scene.
//Note: The progress may look like it goes straight to 100% if your Scene doesn’t have a lot to load.

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

public class AsyncOperationProgressExample : MonoBehaviour
{
    public Text m_Text;
    public Button m_Button;

    void Start()
    {
        //Call the LoadButton() function when the user clicks this Button
        m_Button.onClick.AddListener(LoadButton);
    }

    void LoadButton()
    {
        //Start loading the Scene asynchronously and output the progress bar
        StartCoroutine(LoadScene());
    }

    IEnumerator LoadScene()
    {
        yield return null;

        //Begin to load the Scene you specify
        AsyncOperation asyncOperation = SceneManager.LoadSceneAsync("Scene3");
        //Don't let the Scene activate until you allow it to
        asyncOperation.allowSceneActivation = false;
        Debug.Log("Pro :" + asyncOperation.progress);
        //When the load is still in progress, output the Text and progress bar
        while (!asyncOperation.isDone)
        {
            //Output the current progress
            m_Text.text = "Loading progress: " + (asyncOperation.progress * 100) + "%";

            // Check if the load has finished
            if (asyncOperation.progress >= 0.9f)
            {
                //Change the Text to show the Scene is ready
                m_Text.text = "Press the space bar to continue";
                //Wait to you press the space key to activate the Scene
                if (Input.GetKeyDown(KeyCode.Space))
                    //Activate the Scene
                    asyncOperation.allowSceneActivation = true;
            }

            yield return null;
        }
    }
}

先在界面上创建加载UI

给代码赋值

代码的实现

public Slider LoginSlider;
public Text SliderValue;
public Text Info;

public void Login()
{
    if (!string.IsNullOrEmpty(RoomName.text))
    {
        LoginUi.active = true;
        StartCoroutine(LoadScene());
    }
}

IEnumerator LoadScene()
{
    yield return null;

    //Begin to load the Scene you specify
    AsyncOperation asyncOperation = SceneManager.LoadSceneAsync("level1");
    //Don't let the Scene activate until you allow it to
    asyncOperation.allowSceneActivation = false;
    Debug.Log("Pro :" + asyncOperation.progress);
    //When the load is still in progress, output the Text and progress bar
    while (!asyncOperation.isDone)
    {
        //Output the current progress
        Info.text = "Loading progress: " + (asyncOperation.progress * 100) + "%";
        LoginSlider.value = asyncOperation.progress;
        SliderValue.text = (asyncOperation.progress * 100) + "%";
        // Check if the load has finished
        if (asyncOperation.progress >= 0.9f)
        {
            LoginSlider.value = 1;
            SliderValue.text = 100 + "%";
            //Change the Text to show the Scene is ready
            Info.text = "Press the space bar to continue";
            //Wait to you press the space key to activate the Scene
            if (Input.GetKeyDown(KeyCode.Space))
                //Activate the Scene
                asyncOperation.allowSceneActivation = true;
        }

        yield return null;
    }
}

 看下效果图，虽然有点丑陋但是功能是完整的

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