Method triggerY

src/fl/fx/2d/flowfield.h:115–118

    }

    void triggerY(float center, float width, float amplitude,
                  BumpShape shape = BumpShape::HalfSine) {
        mYBias.trigger(center, width, amplitude, shape);
    }

    void update(float dtSeconds) {
        mXBias.update(dtSeconds);