Application.isLoadingLevel

説明

レベルが読み込まれているか確認します（読み取り専用）

LoadLevel and LoadLevelAdditive don't happen immediately - a new level is loaded after the current game frame finishes. isLoadingLevel returns true if a level load was requested this frame already.

See Also: LoadLevel, LoadLevelAdditive.

using UnityEngine;
using System.Collections;

public class ExampleClass : MonoBehaviour {
    void Example() {
        print(Application.isLoadingLevel);
    }
}