public OculusCamera(OculusRift rift, Vector3 position, Quaternion orientation)
{
if (rift == null)
throw new ArgumentNullException();
this.rift = rift;
Position = position;
Orientation = orientation;
EventHandler<EventArgs> update_frustum = (sender, e) =>
{
float view_center = rift.HScreenSize * 0.25f;
float eye_projection_shift = view_center - rift.LensSeparationDistance * 0.5f;
float projection_center_offset =
rift.IsConnected ?
4.0f * eye_projection_shift / rift.HScreenSize :
0;
GetProjectionMatrix(out mono_frustum);
left_frustum = mono_frustum * Matrix4.CreateTranslation(projection_center_offset, 0, 0);
right_frustum = mono_frustum * Matrix4.CreateTranslation(-projection_center_offset, 0, 0);
float half_ipd = rift.InterpupillaryDistance * 0.5f;
if (view_center != 0)
{
left_modelview = Matrix4.CreateTranslation(half_ipd * view_center, 0, 0);
right_modelview = Matrix4.CreateTranslation(-half_ipd * view_center, 0, 0);
}
};
//FieldOfViewChanged += update_frustum;
//AspectRatioChanged += update_frustum;
//ZNearChanged += update_frustum;
FusionDistanceChanged += update_frustum;
InterocularDistanceChanged += update_frustum;
update_frustum(this, EventArgs.Empty);
}
public OculusCamera(OculusRift rift)
: this(rift, Vector3.Zero, Quaternion.Identity)
{ }