void MainScene::createWalls()
{
    std::vector<cocos2d::Color3B> usingColors;
    for (int i = 0; i<=colors.size()-1; i++)
    {
        usingColors.push_back(colors[i]);
    }
    Vec2 pBottom = Vec2(visibleSize.width/2,0);
    Vec2 pTop = Vec2(visibleSize.width/2,visibleSize.width);
    Vec2 pLeft = Vec2(0,visibleSize.width/2);
    Vec2 pRight = Vec2(visibleSize.width,visibleSize.width/2);

    if(this->getChildByTag(2))
         this->removeChild(this->getChildByTag(2));
    if(this->getChildByTag(3))
        this->removeChild(this->getChildByTag(3));
    if(this->getChildByTag(4))
        this->removeChild(this->getChildByTag(4));
    if(this->getChildByTag(5))
        this->removeChild(this->getChildByTag(5));

    int color ;

    int minSize = usingColors.size()-1;
    wtf(usingColors);
    color = random(0, minSize);

    Wall* wall1 = Wall::create(usingColors[color], pBottom);

    usingColors.erase(usingColors.begin() + color);

    wall1->setTag(2);
    this->addChild(wall1);

    minSize = usingColors.size()-1;
    wtf(usingColors);
    color = random(0, minSize);

    Wall* wall2 = Wall::create(usingColors[color], pTop);

    usingColors.erase(usingColors.begin() + color);

    wall2->setTag(3);
    this->addChild(wall2);


    minSize = usingColors.size()-1;
    wtf(usingColors);
    color = random(0, minSize);

    Wall* wall3 = Wall::create(usingColors[color], pLeft);

    usingColors.erase(usingColors.begin() + color);

    wall3->setTag(4);
    wall3->setRotation(90);
    this->addChild(wall3);

    minSize = usingColors.size()-1;
    color = random(0, minSize);

    Wall* wall4 = Wall::create(usingColors[color], pRight);

    usingColors.erase(usingColors.begin() + color);

    wall4->setTag(5);
    wall4->setRotation(90);
    this->addChild(wall4);


}