from pandac.PandaModules import Mat4, Point3
def setMouseEnabledPosHpr( position, rotation ):
  # set a default camera position
  camera.setPos(position)
  camera.lookAt(render)
  camera.setHpr(camera, rotation)
  cameraMat=Mat4(camera.getMat())
  cameraMat.invertInPlace()
  base.mouseInterfaceNode.setMat(cameraMat)

def setMouseEnabledPosLookAt( position, lookAt ):
  # set a default camera position
  camera.setPos(position)
  camera.lookAt(render, Point3(lookAt))
  #camera.setHpr(camera, rotation)
  cameraMat=Mat4(camera.getMat())
  cameraMat.invertInPlace()
  base.mouseInterfaceNode.setMat(cameraMat)