public void SceneOrbit(FScene scene, fCamera cam, float deltaAzimuth, float deltaAltitude, bool bSet = false)
{
//Vector3f sceneOrigin = scene.RootGameObject.transform.position;
Vector3f rotTarget = cam.GetTarget();
// [RMS] Orbiting around the Target point is kind of a weird concept when
// you are moving the scene and not the camera. Basically we want to rotate
// the scene around the target, but not incrementally - based on a pair of
// spherical angles. So, we have to return to a 'reference' state each update.
// Simplest way to do that is to "un-rotate" by the angles before the delta...
// (???)
Vector3f up = Vector3f.AxisY;
Vector3f right = cam.Right();
scene.RootGameObject.RotateAroundD(rotTarget, right, -turntableAltitudeD);
scene.RootGameObject.RotateAroundD(rotTarget, up, -turntableAzimuthD);
if (bSet)
{
turntableAzimuthD = deltaAzimuth;
turntableAltitudeD = deltaAltitude;
}
else
{
turntableAzimuthD -= deltaAzimuth;
turntableAltitudeD += deltaAltitude;
}
turntableAzimuthD = (float)MathUtil.ClampAngleDeg(Convert.ToDouble(turntableAzimuthD), -360d, 360d);
turntableAltitudeD = Mathf.Clamp(turntableAltitudeD, -89.9f, 89.9f);
scene.RootGameObject.RotateAroundD(rotTarget, up, turntableAzimuthD);
scene.RootGameObject.RotateAroundD(rotTarget, right, turntableAltitudeD);
}
