# File lib/as_geometrybuffer.rb, line 52
  def add_geom(geometry)
    num = geometry.length
    raise "Incomplete vertexes" unless num%@stride == 0
    
    geom = Geom.new(@vbuffer, nil, num/@stride)
    @geom_hash[geom] = geometry
    pack_buffer
    
    return geom
  end