[VX Script] Animation Bug Fixed

Code:
#=========================================================================

# ? ? [VX] Animation Bug Fixed ? ? by Woratana (21/05/2008)

# * Fixed bug that animation will follow screen, not stay on character~ *

# * You can place this script in any slot below the slot 'Sprite_Base'

#-------------------------------------------------------------------------

class Sprite_Base < Sprite

  alias wora_bugfix_sprbas_upd update

  def update

    if !@animation.nil?

      if @animation.position == 3

        if viewport == nil

          @animation_ox = Graphics.width / 2

          @animation_oy = Graphics.height / 2

        else

          @animation_ox = viewport.rect.width / 2

          @animation_oy = viewport.rect.height / 2

        end

      else

        @animation_ox = x - ox + width / 2

        @animation_oy = y - oy + height / 2

        if @animation.position == 0

          @animation_oy -= height / 2

        elsif @animation.position == 2

          @animation_oy += height / 2

        end

      end

    end

    wora_bugfix_sprbas_upd

  end

end