ass='kw'>next</span> <span class='kw'>if</span> <span class='id identifier rubyid_sprite'>sprite</span><span class='period'>.</span><span class='id identifier rubyid_nil?'>nil?</span>

    <span class='id identifier rubyid_x'>x</span> <span class='op'>=</span> <span class='id identifier rubyid_sprite'>sprite</span><span class='period'>.</span><span class='id identifier rubyid_x'>x</span>
    <span class='id identifier rubyid_y'>y</span> <span class='op'>=</span> <span class='id identifier rubyid_sprite'>spr