an class='const'>Sphere</span><span class='lparen'>(</span><span class='id identifier rubyid_quad'>quad</span><span class='comma'>,</span> <span class='ivar'>@radius</span><span class='comma'>,</span> <span class='ivar'>@slices</span><span class='comma'>,</span> <span class='ivar'>@stacks</span><span class='rparen'>)</span>
  <span class='const'>GLU</span><span class='period'>.</span><span class='const'>DeleteQuadric</span><span class='lparen'>(</span><span class='id identifier rubyid_quad'>quad</span><span