UnityEditor.AssetDatabase 함수로 경로내 파일 읽어오는법

1. string[] aMaterialFiles = Directory.GetFiles(Application.dataPath, "*.mat", SearchOption.AllDirectories);
2. foreach(string matFile in aMaterialFiles)
3. {
4. string assetPath = "Assets" + matFile.Replace(Application.dataPath, "").Replace('\\', '/');
5. Material sourceMat = (Material)AssetDatabase.LoadAssetAtPath(assetPath, typeof(Material));
6. // .. do whatever you like
7. }