Method addFx

src/fl/fx/fx_engine.h:63–63

* @brief Adds a new effect to the engine. Allocate from static memory. * This is not reference tracked and an object passed in must never * be deleted, as the engine will use a non tracking Ptr which may outlive * a call to removeFx() and the engine will thefore not know that an * object has been deleted. But if it's a static object that's * the

     *        then the object probably wasn't going to be deleted anyway.
     */
    int addFx(Fx &effect) { return addFx(fl::make_shared_no_tracking(effect)); }

    /**
     * @brief Requests removal of an effect from the engine, which might not