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像素點跟tile的索引之間的轉換
//從cocos2d-x坐標轉換為Tilemap坐標
CCPoint GameMap::tileCoordForPosition(CCPoint position)
{
int x = position.x / this->getTileSize().width;
int y = (((this->getMapSize().height) * this->getTileSize().height) - position.y) / this->getTileSize().height;
return ccp(x, y);
}
//從Tilemap坐標轉換為cocos2d-x坐標
CCPoint GameMap::positionForTileCoord(CCPoint tileCoord)
{
CCPoint pos = ccp((tileCoord.x * this->getTileSize().width),
((this->getMapSize().height - tileCoord.y) * this->getTileSize().height));
return pos;
}
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