Method beforeDraw

core/2d/Grid.cpp:204–230

}

void GridBase::beforeDraw()
{
    // save projection
    Director* director = Director::getInstance();

    auto* renderer = director->getRenderer();
    auto* groupCommand = renderer->getNextGroupCommand();
    renderer->addCommand(groupCommand);
    renderer->pushGroup(groupCommand->getRenderQueueID());

    auto beforeDrawCommandFunc = [director, renderer, this]() -> void {
        _directorProjection = director->getProjection();
        set2DProjection();
        Vec2 size = director->getWinSizeInPixels();
        renderer->setViewPort(0, 0, (unsigned int)size.width, (unsigned int)size.height);

        _oldRenderTarget = renderer->getRenderTarget();
        AX_SAFE_RELEASE(_renderTarget);
        _renderTarget =
            backend::DriverBase::getInstance()->newRenderTarget(_texture->getBackendTexture());
        renderer->setRenderTarget(_renderTarget);
    };
    renderer->addCallbackCommand(beforeDrawCommandFunc);

    // since we use clearCommand, should call at here to avoid iterator damage
    renderer->clear(TargetBufferFlags::COLOR, _clearColor, 1, 0, 0.0);
}

void GridBase::afterDraw(ax::Node* /*target*/)
{