Method draw

core/2d/RenderTexture.cpp:576–598

}

void RenderTexture::draw(Renderer* renderer, const Mat4& transform, uint32_t flags)
{
    if (_autoDraw)
    {
        // Begin will create a render group using new render target
        begin();

        // clear screen
        _director->getRenderer()->clear(_clearFlags, _clearColor, _clearDepth, _clearStencil, _globalZOrder);

        //! make sure all children are drawn
        sortAllChildren();

        for (const auto& child : _children)
        {
            if (child != _sprite)
                child->visit(renderer, transform, flags);
        }

        // End will pop the current render group
        end();
    }
}

void RenderTexture::onBegin()
{