Method removeSpriteFromAtlas

core/2d/SpriteBatchNode.cpp:636–669

}

void SpriteBatchNode::removeSpriteFromAtlas(Sprite* sprite)
{
    // remove from TextureAtlas
    _textureAtlas->removeQuadAtIndex(sprite->getAtlasIndex());

    // Cleanup sprite. It might be reused (issue #569)
    sprite->setBatchNode(nullptr);

    auto it = std::find(_descendants.begin(), _descendants.end(), sprite);
    if (it != _descendants.end())
    {
        auto next = std::next(it);

        Sprite* spr = nullptr;
        for (auto nextEnd = _descendants.end(); next != nextEnd; ++next)
        {
            spr = *next;
            spr->setAtlasIndex(spr->getAtlasIndex() - 1);
        }

        _descendants.erase(it);
    }

    // remove children recursively
    auto& children = sprite->getChildren();
    for (const auto& obj : children)
    {
        Sprite* child = static_cast<Sprite*>(obj);
        if (child)
        {
            removeSpriteFromAtlas(child);
        }
    }
}

void SpriteBatchNode::updateBlendFunc()
{