1 #include "oculusriftcamera.h"
2 #include "oculusriftdevice.h"
3 #include "oculusriftdevice_private.h"
8 OculusRiftCamera::OculusRiftCamera(const OculusRiftDevice &d, const GL::Camera &c):
12 unsigned supported = ovrTrackingCap_Orientation|ovrTrackingCap_MagYawCorrection|ovrTrackingCap_Position;
13 ovrHmd_ConfigureTracking(device.get_private().ovr_hmd, supported, 0);
16 void OculusRiftCamera::reset_tracking()
18 ovrHmd_RecenterPose(device.get_private().ovr_hmd);
21 void OculusRiftCamera::update()
24 if(device.is_timing_active())
25 time = device.get_tracking_time();
27 time = device.get_current_time();
29 ovrTrackingState state = ovrHmd_GetTrackingState(device.get_private().ovr_hmd, time);
30 OVR::Posef head_pose = state.HeadPose.ThePose;
31 OVR::Matrix4f tracking_matrix(head_pose.Rotation);
32 OVR::Vector3f trans = head_pose.Translation;
33 const float *m = &tracking_matrix.M[0][0];
35 const GL::Vector3 &base_look = base_camera.get_look_direction();
36 GL::Vector3 base_right = normalize(cross(base_look, base_camera.get_up_direction()));
37 GL::Vector3 base_up = normalize(cross(base_right, base_look));
39 set_position(base_camera.get_position()+trans.x*base_right+trans.y*base_up-trans.z*base_look);
40 set_up_direction(base_right*m[1]+base_up*m[5]-base_look*m[9]);
41 set_look_direction(-base_right*m[2]-base_up*m[6]+base_look*m[10]);
42 set_depth_clip(base_camera.get_near_clip(), base_camera.get_far_clip());
43 set_field_of_view(base_camera.get_field_of_view());
44 set_aspect(base_camera.get_aspect());