Method startWithTarget

core/2d/ActionTiledGrid.cpp:274–310

}

void ShuffleTiles::startWithTarget(Node* target)
{
    TiledGrid3DAction::startWithTarget(target);

    if (_seed != (unsigned int)-1)
    {
        std::srand(_seed);
    }

    _tilesCount = (unsigned int)(_gridSize.width * _gridSize.height);
    _tilesOrder = new unsigned int[_tilesCount];

    /**
     * Use k to loop. Because _tilesCount is unsigned int,
     * and i is used later for int.
     */
    for (unsigned int k = 0; k < _tilesCount; ++k)
    {
        _tilesOrder[k] = k;
    }

    shuffle(_tilesOrder, _tilesCount);

    _tiles          = (struct Tile*)new Tile[_tilesCount];
    Tile* tileArray = (Tile*)_tiles;

    for (int i = 0; i < _gridSize.width; ++i)
    {
        for (int j = 0; j < _gridSize.height; ++j)
        {
            tileArray->position.set((float)i, (float)j);
            tileArray->startPosition.set((float)i, (float)j);
            tileArray->delta = getDelta(Vec2((float)i, (float)j));
            ++tileArray;
        }
    }
}

void ShuffleTiles::update(float time)
{