Unity 优化相关 - daaoling/daaoling.github.io GitHub Wiki

public class mTest : MonoBehaviour
{
    void OnGUI()
    {
        if (GUI.Button(new Rect(10, 10, 150, 100), "I am a button")) Test();
    }


    void Test()
    {
        // call each one once, to make sure any internal cache is able to be populated
        Resources.Load<Texture2D>("Soils/Grass");
        float time = Time.realtimeSinceStartup;
        for (int i = 0; i < 10000; i++)
            Resources.Load<Texture2D>("Soils/Grass");
        Debug.Log("NoCache) " + (Time.realtimeSinceStartup - time)); ///NoCache) 0.02871513


        VResources.Load<Texture2D>("Soils/Grass");
        float time2 = Time.realtimeSinceStartup;
        for (int i = 0; i < 10000; i++)
            VResources.Load<Texture2D>("Soils/Grass");
        Debug.Log("Cache) " + (Time.realtimeSinceStartup - time2)); ///Cache) 0.003810763
    }
}

public static class VResources
{
    static Dictionary<string, Object> resourceCache = new Dictionary<string, Object>();
    public static T Load<T>(string path) where T : Object
    {
        if (!resourceCache.ContainsKey(path))
            resourceCache[path] = Resources.Load<T>(path);
        return (T)resourceCache[path];
    }
}