CCSimplePathFinding

Simple Path finding using for simple world using A* pathfinding algorithm. for cocos2dx v3

Document:

http://en.wikipedia.org/wiki/A*_search_algorithm

Thanks to Ray Wenderlich:

http://www.raywenderlich.com/4970/how-to-implement-a-pathfinding-with-cocos2d-tutorial

How to use:

1. Create a 2-dimension matrix world:
Example: ``` c++ std::vector> matrix std::vector row1 = {1,1,1,1,1}; std::vector row2 = {1,0,1,0,1}; std::vector row3 = {1,0,0,0,1}; std::vector row4 = {1,0,1,0,1}; std::vector row5 = {1,1,1,1,1}; matrix.push_back(row1); matrix.push_back(row2); matrix.push_back(row3); matrix.push_back(row4); matrix.push_back(row5); ```

2. Init PathFinding
   Example:

_pathFinder = pathfinding::PathFinding::create();
_pathFinder->retain();
_pathFinder->setupMap(matrix);

3. Find the path:
   Example:

Vec2 beginCoord = Vec2(1,1);
Vec2 endCoord = Vec2(3,3);
std::vector<Vec2> path = _pathFinder->getShortestPath(beginCoord, endCoord);

4. In PathFinding.cpp, you can enable debug print
   change

#define DEBUG_PRINT 0
to 
#define DEBUG_PRINT 1