src/urggr_package/level.lua

   1 --[[
   2     Urggr - An horizontal scrolling shoot'em up.
   3     Copyright 2008 Antoine Chavasse <a.chavasse@gmail.com>
   4
   5     This file is part of Urggr.
   6
   7     Urggr is free software; you can redistribute it and/or modify
   8     it under the terms of the GNU General Public License version 3
   9     as published by the Free Software Foundation.
  10
  11     Urggr is distributed in the hope that it will be useful,
  12     but WITHOUT ANY WARRANTY; without even the implied warranty of
  13     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14     GNU General Public License for more details.
  15
  16     You should have received a copy of the GNU General Public License
  17     along with this program.  If not, see <http://www.gnu.org/licenses/>.
  18 --]]
  19
  20 require 'fail.utils'
  21 require 'fail.math'
  22 sg = require 'fail.scenegraph'
  23
  24 Level = fail.utils.class
  25 {
  26         function( self )
  27                 self.gameobjects = {}
  28
  29                 -- The top level container of the rendering scene graph.
  30                 -- Just a group because there's nothing else currently,
  31                 -- and this project won't be needing anything more sophisticated
  32                 -- for a while.
  33                 self.renderablegroup = sg.Group()
  34
  35                 self:addGameObject( urggr.Camera() )
  36                 self:addGameObject( urggr.PlayerShip( self ) )
  37         end
  38 }
  39
  40 function Level:addGameObject( gobj )
  41         table.insert( self.gameobjects, gobj )
  42 end
  43
  44 function Level:addRenderable( renderable )
  45         self.renderablegroup:add( renderable )
  46 end
  47
  48 function Level:update( deltatime )
  49         for i,v in ipairs( self.gameobjects ) do
  50                 v:update( deltatime )
  51         end
  52 end
  53
  54 function Level:evaluateRender( renderpass )
  55         self.renderablegroup:evaluate( renderpass )
  56 end