bool Ned3DObjectManager::interactPlaneWater(PlaneObject &plane, WaterObject &water)
{
  Water *pWater = water.getWater();
  if(pWater == NULL) return false;
  
  // Test for plane collision with water
  
  Vector3 planePos = plane.getPosition();
  EulerAngles planeOrient = plane.getOrientation();
  Vector3 disp = planePos - disp;
  RotationMatrix planeMatrix;
  planeMatrix.setup(plane.getOrientation()); // get plane's orientation
  float planeBottom = plane.getBoundingBox().min.y;
  float waterHeight = pWater->getWaterHeight();
  
  if(plane.isPlaneAlive() && planeBottom < waterHeight)
  { //collision
    Vector3 viewVector = planeMatrix.objectToInertial(Vector3(0,0,1));
    plane.killPlane();
    plane.setSpeed(0.0f);
    planePos += 2.0f * viewVector;
    planeOrient.pitch = kPi / 4.0f;
    planeOrient.bank = kPi / 4.0f;
    plane.setOrientation(planeOrient);
    plane.setPPosition(planePos);
    
    int partHndl = gParticle.createSystem("planeexplosion");
    gParticle.setSystemPos(partHndl, plane.getPosition());
    int boomHndl = gSoundManager.requestSoundHandle("Boom.wav");
    int boomInst = gSoundManager.requestInstance(boomHndl);
    if(boomInst != SoundManager::NOINSTANCE)
    {
      gSoundManager.setPosition(boomHndl,boomInst,plane.getPosition());
      gSoundManager.play(boomHndl,boomInst);
      gSoundManager.releaseInstance(boomHndl,boomInst);
    }
    return true;
  }
  return false;
}