</span>
            </dt>
            <dd>Creates a <a href="classbn_1_1sprite__position__hbe__ptr.html" class="m-doc">sprite_<wbr />position_<wbr />hbe_<wbr />ptr</a> which changes the vertical position of a sprite in each screen horizontal line.</dd>
            <dt>
              <span class="m-doc-wrap-bumper">static auto <a href="#a0562a3393d8d34db18a2e0d5f4cfa21e" class="m-doc">create_horizontal_optional</a>(</span><span class="m-doc-wrap"><a href="classbn_1_1sprite__ptr.html" class="m-doc">sprite_<wb