lua coding tutorial

Welcome to Cocos2d-x chat group: 193411763 Video tutorial address: http://www.tudou.com/programs/view/qRiOfppMghM/ Reprinted please indicate the original source: http://blog.csdn.net/u012945598/article/details/24188259 This article uses the Cocos2d-x + Lua script to scale a map. We usually use scrollView to implement large maps in the game. Here we still use CCScrollView for demonstration. Create a

This article mainly introduces the use of MySQL in the LUA program tutorial, is the basic knowledge of LUA learning, need friends can refer to the Import MySQL We can import the SQLite library with a simple statement, assuming that LUA is properly implemented and completed. During the installation process, the folder

, this is called the function environment. Setfenv () can be used to change the environment of a specified function. The first parameter is the function name, and the second parameter is the private _ G name of the function. It can be initialized before being passed in. The first parameter can also be a number. 1 indicates the function currently being executed, and 2 indicates the caller of the current function, 3 indicates that the caller actually uses this number as the active function calling

a+1;endtryCatch=function(fun)local ret,errMessage=pcall(fun);print("ret:" .. (ret and "true" or "false" ) .. " \nerrMessage:" .. (errMessage or "null"));endxTryCatchGetErrorInfo=function()print(debug.traceback());endxTryCatch=function(fun)local ret,errMessage=xpcall(fun,xTryCatchGetErrorInfo);print("ret:" .. (ret and "true" or "false" ) .. " \nerrMessage:" .. (errMessage or "null"));endprint("\n------A------\n")tryCatch(fun);print("\n------B------\n")xTryCatch(fun);print("\n------C------\n")

This article mainly introduces the use of IF statements nested in Lua tutorial, is the basic knowledge in LUA learning, the need for friends can refer to the Programming inline If-else Statements in Lua means that you can use an if or else if in another statement if or else if statement. Grammar The nested syntax fo

This article mainly introduces the file I/O operations in LUA Tutorial, is the basic knowledge in Lua learning, need friends can refer to the The I/O library in Lua is used to read and process files. There are two types of file operations, in Lua, the implied file descripto

-completion:Support for auto-completion of default controls, example Layoutobject only input layout,ctrl+enter automatically complements the underlying XML elements.Jqbolt Automatic Completion:1, support Jqbolt selector Fast input, example input Jq,ctrl+enter can automatically fill the full Jqbolt ("#", self);2, support Jqbolt event binding fast input, according to the event name auto-complete, example input Lbuttondown will automatically fill the full form;Supports all Layoutobject events: Re

This article mainly introduces the Repeat...until Loop statement Usage Tutorial in Lua, is a basic tutorial in Lua's introductory learning, and needs friends to refer to the following Unlike for and while loops, the loop condition is tested at the top of the loop, and the Repeat...until loop of the LUA programming lan

Use the table pack and unpack to pack and unpack data. The test code is as follows: Print ("test table. pack () ---------------- "); function printtable (t) If type (t) =" table "thenfor K, V in pairs (t) doprinttable (v ); endelseprint (t); endendlocal packdata = function (...) local Arg = table. pack (...); -- ARG. n to obtain the number of parameters for the variable part -- print ("Arg. n: ", Arg. n) for K, V in pairs (ARG) Do print ("----------------"); print (K, V); printtable (V); pr

The following articles mainly introduce the basic tutorial of SQL coding optimization for the IBM DB2 database. The importance of such a specific query is that the more important the query is, you may need to optimize indexes by creating indexes. If you are coding the query that the CIO is running every day, make sure it provides the best performance. Therefore,

JavaScript: JavaScript coding errors will cause network disasters. Javascript tutorial March 26, according to malware researchers, web developers with JavaScript coding errors and experience using new programming technologies will pose a serious threat to many websites and users accessing these websites. According to the InfoWorld website, Billy Hoffman, the ma