Unity 5.3 에서 변경된 사항

using UnityEngine.SceneManagement;

5.2	5.3
Application.LoadLevel("sceneName") Application.LoadLevelAsync("sceneName")	SceneManager.LoadScene("sceneName") SceneManager.LoadSceneAsync("sceneName")
Application.LoadLevelAdditive("sceneName")	SceneManager.LoadScene("sceneName", LoadSceneMode.Additive)
Application.loadedLevelName	SceneManager.GetActiveScene().name