/// <summary>
/// Write out any error details received from the Oculus SDK, into the debug output window.
///
/// Please note that writing text to the debug output window is a slow operation and will affect performance,
/// if too many messages are written in a short timespan.
/// </summary>
/// <param name="oculus">OculusWrap object for which the error occurred.</param>
/// <param name="result">Error code to write in the debug text.</param>
/// <param name="message">Error message to include in the debug text.</param>
public void WriteErrorDetails(OculusWrap.Wrap oculus, OculusWrap.OVR.ovrResult result, string message)
{
if (result >= OculusWrap.OVR.ovrResult.Success)
return;
// Retrieve the error message from the last occurring error.
OculusWrap.OVR.ovrErrorInfo errorInformation = oculus.GetLastError();
string formattedMessage = string.Format("{0}. Message: {1} (Error code={2})", message, errorInformation.ErrorString, errorInformation.Result);
Trace.WriteLine(formattedMessage);
throw new Exception(formattedMessage);
}
/// <summary>
/// Converts an ovrQuatf to a SharpDX Quaternion.
/// </summary>
public static Quaternion ToQuaternion(OculusWrap.OVR.Quaternionf ovrQuatf)
{
return new Quaternion(ovrQuatf.X, ovrQuatf.Y, ovrQuatf.Z, ovrQuatf.W);
}
void UpdateTransform(OculusWrap.OVR.Posef eye_pose, OculusWrap.OVR.FovPort fov)
{
// Retrieve the eye rotation quaternion and use it to calculate the LookAt direction and the LookUp direction.
Camera camera = new Camera()
{
Position = main_camera.Position + Vector3.Transform(eye_pose.Position.ToVector3(), main_camera.Rotation),
Rotation = main_camera.Rotation * SharpDXHelpers.ToQuaternion(eye_pose.Orientation),
};
world_matrix = Matrix.Scaling(ocu_config.Scale);
Transform_View = camera.GetViewMatrix();
Transform_Projection = OculusWrap.OVR.ovrMatrix4f_Projection(fov, ocu_config.Znear, ocu_config.Zfar, OculusWrap.OVR.ProjectionModifier.RightHanded).ToMatrix();
Transform_Projection.Transpose();
Matrix world_view_matrix = world_matrix * Transform_View;
world_view_projection_matrix = world_view_matrix * Transform_Projection;
World_variable.SetMatrix(world_matrix);
WorldView_variable.SetMatrix(world_view_matrix);
WorldViewProjection_variable.SetMatrix(world_view_projection_matrix);
/* for HUD */
Projection_variable.SetMatrix(Transform_Projection);
}
