diff options
Diffstat (limited to 'modules/mobile_vr')
| -rw-r--r-- | modules/mobile_vr/mobile_vr_interface.cpp | 56 | ||||
| -rw-r--r-- | modules/mobile_vr/mobile_vr_interface.h | 5 |
2 files changed, 44 insertions, 17 deletions
diff --git a/modules/mobile_vr/mobile_vr_interface.cpp b/modules/mobile_vr/mobile_vr_interface.cpp index fc1a118e4f..7dd26c6905 100644 --- a/modules/mobile_vr/mobile_vr_interface.cpp +++ b/modules/mobile_vr/mobile_vr_interface.cpp @@ -126,6 +126,8 @@ void MobileVRInterface::set_position_from_sensors() { // 9dof is a misleading marketing term coming from 3 accelerometer axis + 3 gyro axis + 3 magnetometer axis = 9 axis // but in reality this only offers 3 dof (yaw, pitch, roll) orientation + Basis orientation; + uint64_t ticks = OS::get_singleton()->get_ticks_usec(); uint64_t ticks_elapsed = ticks - last_ticks; float delta_time = (double)ticks_elapsed / 1000000.0; @@ -207,8 +209,8 @@ void MobileVRInterface::set_position_from_sensors() { }; }; - // JIC - orientation.orthonormalize(); + // and copy to our head transform + head_transform.basis = orientation.orthonormalized(); last_ticks = ticks; }; @@ -318,7 +320,7 @@ bool MobileVRInterface::initialize() { ERR_FAIL_NULL_V(xr_server, false); if (!initialized) { - // reset our sensor data and orientation + // reset our sensor data mag_count = 0; has_gyro = false; sensor_first = true; @@ -326,9 +328,15 @@ bool MobileVRInterface::initialize() { mag_next_max = Vector3(-10000, -10000, -10000); mag_current_min = Vector3(0, 0, 0); mag_current_max = Vector3(0, 0, 0); + head_transform.basis = Basis(); + head_transform.origin = Vector3(0.0, eye_height, 0.0); - // reset our orientation - orientation = Basis(); + // we must create a tracker for our head + head.instantiate(); + head->set_tracker_type(XRServer::TRACKER_HEAD); + head->set_tracker_name("head"); + head->set_tracker_desc("Players head"); + xr_server->add_tracker(head); // make this our primary interface xr_server->set_primary_interface(this); @@ -343,10 +351,19 @@ bool MobileVRInterface::initialize() { void MobileVRInterface::uninitialize() { if (initialized) { + // do any cleanup here... XRServer *xr_server = XRServer::get_singleton(); - if (xr_server != nullptr && xr_server->get_primary_interface() == this) { - // no longer our primary interface - xr_server->set_primary_interface(nullptr); + if (xr_server != nullptr) { + if (head.is_valid()) { + xr_server->remove_tracker(head); + + head.unref(); + } + + if (xr_server->get_primary_interface() == this) { + // no longer our primary interface + xr_server->set_primary_interface(nullptr); + } } initialized = false; @@ -377,11 +394,10 @@ Transform3D MobileVRInterface::get_camera_transform() { float world_scale = xr_server->get_world_scale(); // just scale our origin point of our transform - Transform3D hmd_transform; - hmd_transform.basis = orientation; - hmd_transform.origin = Vector3(0.0, eye_height * world_scale, 0.0); + Transform3D _head_transform = head_transform; + _head_transform.origin *= world_scale; - transform_for_eye = (xr_server->get_reference_frame()) * hmd_transform; + transform_for_eye = (xr_server->get_reference_frame()) * _head_transform; } return transform_for_eye; @@ -409,11 +425,10 @@ Transform3D MobileVRInterface::get_transform_for_view(uint32_t p_view, const Tra }; // just scale our origin point of our transform - Transform3D hmd_transform; - hmd_transform.basis = orientation; - hmd_transform.origin = Vector3(0.0, eye_height * world_scale, 0.0); + Transform3D _head_transform = head_transform; + _head_transform.origin *= world_scale; - transform_for_eye = p_cam_transform * (xr_server->get_reference_frame()) * hmd_transform * transform_for_eye; + transform_for_eye = p_cam_transform * (xr_server->get_reference_frame()) * _head_transform * transform_for_eye; } else { // huh? well just return what we got.... transform_for_eye = p_cam_transform; @@ -476,7 +491,16 @@ void MobileVRInterface::process() { _THREAD_SAFE_METHOD_ if (initialized) { + // update our head transform orientation set_position_from_sensors(); + + // update our head transform position (should be constant) + head_transform.origin = Vector3(0.0, eye_height, 0.0); + + if (head.is_valid()) { + // Set our head position, note in real space, reference frame and world scale is applied later + head->set_pose("default", head_transform, Vector3(), Vector3()); + } }; }; diff --git a/modules/mobile_vr/mobile_vr_interface.h b/modules/mobile_vr/mobile_vr_interface.h index a843e1188b..34bd1da43b 100644 --- a/modules/mobile_vr/mobile_vr_interface.h +++ b/modules/mobile_vr/mobile_vr_interface.h @@ -53,7 +53,6 @@ class MobileVRInterface : public XRInterface { private: bool initialized = false; XRInterface::TrackingStatus tracking_state; - Basis orientation; // Just set some defaults for these. At some point we need to look at adding a lookup table for common device + headset combos and/or support reading cardboard QR codes double eye_height = 1.85; @@ -68,6 +67,10 @@ private: double k2 = 0.215; double aspect = 1.0; + // at a minimum we need a tracker for our head + Ref<XRPositionalTracker> head; + Transform3D head_transform; + /* logic for processing our sensor data, this was originally in our positional tracker logic but I think that doesn't make sense in hindsight. It only makes marginally more sense to park it here for now, |