demo/Entity.py

   1 #!/usr/bin/python
   2 # this is the Entity class
   3
   4 from PyOSG import osg, osgUtil, osgDB
   5
   6 def main():
   7     print "Entity class...more documentation to come"
   8
   9 class Entity:
  10
  11     def __init__(self, engine, specs):
  12
  13         self.functions = {}
  14
  15         if specs.has_key('script') and specs['script'] != []:
  16             try:
  17                 self.script = engine.readZipfile(specs['script'])
  18                 exec(self.script)
  19             except:
  20                 print "Entity.__init__(): Couldn't find/exec script"
  21
  22         assert specs.has_key('contents')
  23         self.name = specs['contents']
  24
  25         self.engine = engine
  26
  27         self.transform = osg.PositionAttitudeTransform()
  28
  29         if specs.has_key('model') and specs['model'] != '':
  30             #try:
  31             self.model = self.engine.readNodeFile(specs['model'])
  32             #except:
  33             #    print "Entity.__init__(): Error loading node file"
  34             #    self.model = None
  35
  36             if self.model:
  37                 self.transform.addChild(self.model)
  38                 self.engine.root.addChild(self.transform)
  39
  40         if specs.has_key('pos'):
  41
  42             specs_pos = eval(specs['pos'])
  43             pos = osg.Vec3d(specs_pos[0],
  44                             specs_pos[1],
  45                             specs_pos[2])
  46             self.transform.setPosition(pos)
  47
  48         if specs.has_key('rot'):
  49             specs_rot = eval(specs['rot'])
  50             rot = osg.Quat(specs_rot[0], specs_rot[1],
  51                            specs_rot[2], 1)
  52             self.transform.setAttitude(rot)
  53
  54     def draw(self, engine):
  55
  56         return
  57
  58     def event(self, event, data):
  59
  60         if self.functions.has_key(event):
  61             #try:
  62             self.functions[event](self, data)
  63             #except:
  64             #    print "Entity.event(): Error running event callback"
  65
  66         return
  67
  68 if __name__ == '__main__': main()