# File lib/as_geometrybuffer.rb, line 37
  def pack_buffer
    index = 0
    
    verts = []
    for (geom, geometry) in @geom_hash do
      geom.index = index
      verts.concat(geometry)
      
      index += geom.count
    end
    
    @vbuffer.upload(verts.pack('f*'))
  end