c#调用lua函数.

game.cs
using LuaInterface;
public class Game : MonoBehaviour {
    private LuaState lua = null;
    void Awake()
    {
        lua = new LuaState();
        lua.Start();
        string fullPath = Application.dataPath + "\\Lua/Snake";//lua脚本存放路径
        lua.AddSearchPath(fullPath);
        LuaBinder.Bind(lua);
    }
    void Start()
    {
        lua.DoFile("game.lua");
        LuaToCs.DoLuaFunction(lua.GetFunction("GameStart"));
        LuaToCs.DoLuaFunction(lua.GetFunction("SetForward"), forward);
        snakeMoveSpeed = LuaToCs.GetLuaIntData(lua.GetFunction("GetSnakeMoveSpeed"));  
    }
}
LuaToCs.cs
public class LuaToCs{
    public static void DoLuaFunction(LuaFunction func)
    {
        if (func != null)
        {
            func.BeginPCall();
            func.PCall();
            func.EndPCall();
        }
        else
        {
            Debug.LogError(string.Format("{0} is null!", func));
        }   
    }
    public static void DoLuaFunction(LuaFunction func, string str)
    {
        if (func != null)
        {
            func.BeginPCall();
            func.Push(str);
            func.PCall();
            func.EndPCall();
        }
        else
        {
            Debug.LogError(string.Format("{0} is null!", func));
        }
    }
    public static int GetLuaIntData(LuaFunction func)
    {
        int temp = -1;
        if (func != null)
        {
            func.BeginPCall();
            func.PCall();
            temp = (int)func.CheckNumber();
            func.EndPCall();
        }
        else
        {
            Debug.LogError(string.Format("{0} is null!", func));
        }
        return temp;
    }
}