unity resources load
// To load something from the 'Resources' folder, see examples
// Load a text file (Assets/Resources/Text/textFile01.txt)
var textFile = Resources.Load<TextAsset>("Text/textFile01");
// Load text from a JSON file (Assets/Resources/Text/jsonFile01.json)
var jsonTextFile = Resources.Load<TextAsset>("Text/jsonFile01");
// Then use JsonUtility.FromJson<T>() to deserialize jsonTextFile into an object
// Load a Texture (Assets/Resources/Textures/texture01.png)
var texture = Resources.Load<Texture2D>("Textures/texture01");
// Load a Sprite (Assets/Resources/Sprites/sprite01.png)
var sprite = Resources.Load<Sprite>("Sprites/sprite01");
// Load an AudioClip (Assets/Resources/Audio/audioClip01.mp3)
var audioClip = Resources.Load<AudioClip>("Audio/audioClip01");