UNITY之进度条加载场景_unity progress dovalue

作者：笔触狂放9 | 2024-02-18 00:11:20

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unity progress dovalue

using UnityEngine;
using System.Collections;

public class LoadingTest : MonoBehaviour {

    public UIProgressBar progress;

    // Use this for initialization
    void Start () {

        StartCoroutine (StartLoading_2());
    }

    // Update is called once per frame
    void Update () {

    }


    IEnumerator StartLoading_1(){
        AsyncOperation op = Application.LoadLevelAsync ("Scene05");
        while(!op.isDone){
            //
            setProgress (op.progress*100);
            yield return new WaitForEndOfFrame();
        }
    }

    IEnumerator StartLoading_2(){
        AsyncOperation op=Application.LoadLevelAsync("Scene05");
        op.allowSceneActivation=false;
        while(op.progress<0.9f){
            //
            setProgress (op.progress*100);
            yield return new WaitForEndOfFrame();
        }
    }

    IEnumerator StartLoading_3(){
        AsyncOperation op=Application.LoadLevelAsync("Scene05");
        op.allowSceneActivation=false;
        while(op.progress<0.9f){
            //
            setProgress (op.progress*100);
            yield return new WaitForEndOfFrame();
        }
        setProgress (100);
        //
        yield return new WaitForEndOfFrame();
        op.allowSceneActivation=true;
    }

    IEnumerator StartLoading_4(){



        int displayProgress=0;
        int toProgress=0;
        AsyncOperation op=Application.LoadLevelAsync("Scene05");
        op.allowSceneActivation=false;
        while(op.progress<0.9f){
            toProgress=(int)(op.progress*100);
            while(displayProgress<toProgress){
                ++displayProgress;
                //
                setProgress((float)displayProgress);
                yield return new WaitForEndOfFrame();
            }
        }

        //当op为0.9时，如果allowSceneActivation为true则直接跳转，取不到0.9后面的值,
        //所以这里先将allowSceneActivation设为false，当op.progress为0.9时，将toProgress=100,
        //运行滚动条值的累加，直到为100时，才去激活allowSceneActivation，进行场景跳转

        toProgress=100;
        while(displayProgress<toProgress){
            ++displayProgress;
            //
            setProgress((float)displayProgress);
            yield return new WaitForEndOfFrame();
        }
        op.allowSceneActivation=true;
    }
    void setProgress(float _value){
        progress.value=_value/100;
    }
}

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