def display_gl(self, modelview, projection):
self._check_devices()
GL.glEnable(GL.GL_DEPTH_TEST)
GL.glUseProgram(self.shader)
GL.glUniformMatrix4fv(0, 1, False, projection)
for i in range(1, len(self.poses)):
pose = self.poses[i]
if not pose.bPoseIsValid:
continue
model_name = openvr.VRSystem().getStringTrackedDeviceProperty(
i, openvr.Prop_RenderModelName_String)
if model_name not in self.meshes:
continue # Come on, we already tried to load it a moment ago. Maybe next time.
mesh = self.meshes[model_name]
mesh.display_gl(modelview, projection, pose)
def b_init(self):
glfw.init()
glfw.window_hint(glfw.SAMPLES, 4)
self.window = glfw.create_window(self.companion_width,
self.companion_height, 'hello_vr',
None, None)
glfw.set_key_callback(self.window, self.key_callback)
glfw.make_context_current(self.window)
#
self.hmd = openvr.init(openvr.VRApplication_Scene)
#
vr_sys = openvr.VRSystem()
driver = vr_sys.getStringTrackedDeviceProperty(
openvr.k_unTrackedDeviceIndex_Hmd,
openvr.Prop_TrackingSystemName_String,
)
display = vr_sys.getStringTrackedDeviceProperty(
openvr.k_unTrackedDeviceIndex_Hmd,
openvr.Prop_SerialNumber_String,
)
glfw.set_window_title(self.window, f'hello_vr -- {driver} {display}')
self.b_init_gl()
assert openvr.VRCompositor()
action_path = sys.path[0] + '/res/hellovr_actions.json'
openvr.VRInput().setActionManifestPath(action_path)
self.action_hide_cubes = openvr.VRInput().getActionHandle(
'/actions/demo/in/HideCubes')
self.action_hide_this_controller = openvr.VRInput().getActionHandle(
'/actions/demo/in/HideThisController')
self.action_trigger_haptic = openvr.VRInput().getActionHandle(
'/actions/demo/in/TriggerHaptic')
self.action_analog_input = openvr.VRInput().getActionHandle(
'/actions/demo/in/AnalogInput')
self.action_set_demo = openvr.VRInput().getActionSetHandle(
'/actions/demo')
self.hand[Left].action_haptic = openvr.VRInput().getActionHandle(
'/actions/demo/out/Haptic_Left')
self.hand[Left].source = openvr.VRInput().getInputSourceHandle(
'/user/hand/left')
self.hand[Left].action_pose = openvr.VRInput().getActionHandle(
'/actions/demo/in/Hand_Left')
self.hand[Right].action_haptic = openvr.VRInput().getActionHandle(
'/actions/demo/out/Haptic_Right')
self.hand[Right].source = openvr.VRInput().getInputSourceHandle(
'/user/hand/right')
self.hand[Right].action_pose = openvr.VRInput().getActionHandle(
'/actions/demo/in/Hand_Right')
return True
def get_controller_ids(vrsys=None):
if vrsys is None:
vrsys = openvr.VRSystem()
else:
vrsys = vrsys
left = None
right = None
for i in range(openvr.k_unMaxTrackedDeviceCount):
device_class = vrsys.getTrackedDeviceClass(i)
if device_class == openvr.TrackedDeviceClass_Controller:
role = vrsys.getControllerRoleForTrackedDeviceIndex(i)
if role == openvr.TrackedControllerRole_RightHand:
right = i
if role == openvr.TrackedControllerRole_LeftHand:
left = i
return left, right
def __init__(self, x=0, y=-0.4, z=-0.35, size=0.55):
self.vrsys = openvr.VRSystem()
self.vroverlay = openvr.IVROverlay()
result, self.wheel = self.vroverlay.createOverlay(
'keyiiii'.encode(), 'keyiiii'.encode())
check_result(result)
check_result(self.vroverlay.setOverlayColor(self.wheel, 1, 1, 1))
check_result(self.vroverlay.setOverlayAlpha(self.wheel, 1))
check_result(self.vroverlay.setOverlayWidthInMeters(self.wheel, size))
this_dir = os.path.abspath(os.path.dirname(__file__))
wheel_img = os.path.join(this_dir, 'media', 'steering_wheel.png')
check_result(
self.vroverlay.setOverlayFromFile(self.wheel, wheel_img.encode()))
result, transform = self.vroverlay.setOverlayTransformAbsolute(
self.wheel, openvr.TrackingUniverseSeated)
transform[0][0] = 1.0
transform[0][1] = 0.0
transform[0][2] = 0.0
transform[0][3] = x
transform[1][0] = 0.0
transform[1][1] = 1.0
transform[1][2] = 0.0
transform[1][3] = y
transform[2][0] = 0.0
transform[2][1] = 0.0
transform[2][2] = 1.0
transform[2][3] = z
self.transform = transform
self.size = size
fn = self.vroverlay.function_table.setOverlayTransformAbsolute
pmatTrackingOriginToOverlayTransform = transform
result = fn(self.wheel, openvr.TrackingUniverseSeated,
openvr.byref(pmatTrackingOriginToOverlayTransform))
check_result(result)
check_result(self.vroverlay.showOverlay(self.wheel))
def __init__(self, configfile_path=None):
# Initialize OpenVR in the
self.vr = openvr.init(openvr.VRApplication_Other)
self.vrsystem = openvr.VRSystem()
# Initializing object to hold indexes for various tracked objects
self.object_names = {
"Tracking Reference": [],
"HMD": [],
"Controller": [],
"Tracker": []
}
self.devices = {}
self.trackers = {}
self.device_index_map = {}
poses = self.vr.getDeviceToAbsoluteTrackingPose(
openvr.TrackingUniverseStanding, 0,
openvr.k_unMaxTrackedDeviceCount)
# Loading config file
if configfile_path:
try:
with open(configfile_path, 'r') as json_data:
config = json.load(json_data)
except EnvironmentError: # parent of IOError, OSError *and* WindowsError where available
print('config.json not found.')
exit(1)
# Iterate through the pose list to find the active devices and determine their type
for i in range(openvr.k_unMaxTrackedDeviceCount):
if poses[i].bDeviceIsConnected:
device_serial = self.vr.getStringTrackedDeviceProperty(
i, openvr.Prop_SerialNumber_String).decode('utf-8')
for device in config['devices']:
if device_serial == device['serial']:
device_name = device['name']
self.object_names[device['type']].append(
device_name)
self.devices[device_name] = vr_tracked_device(
self.vr, i, device['type'])
else:
# Iterate through the pose list to find the active devices and determine their type
for i in range(openvr.k_unMaxTrackedDeviceCount):
if poses[i].bDeviceIsConnected:
self.add_tracked_device(i)
def __init__(self):
self.logger = utils.get_logger('PositionTracker')
try:
openvr.init(openvr.VRApplication_Other)
except openvr.error_code.InitError:
self.logger.error(
'Could not init OpenVR. Please make sure that the Link box and HMD is connected and the '
'Link box is powered on.')
raise
self.logger.info(
'Successfully initialized OpenVR for the position tracking.')
# get the VR System, that is an object to access all connected VR devices
self.vr_system = openvr.VRSystem()
self.tracker_idx_rcv = None
self.tracker_idx_src = None
def update_page(self):
openvr.VRCompositor().waitGetPoses(self.poses, len(self.poses), None,
0)
vrsys = openvr.VRSystem()
poses = {}
hmd_index = openvr.k_unTrackedDeviceIndex_Hmd
beacon_indices = []
controller_indices = []
for i in range(len(self.poses)):
device_class = vrsys.getTrackedDeviceClass(i)
if device_class == openvr.TrackedDeviceClass_Invalid:
continue
elif device_class == openvr.TrackedDeviceClass_Controller:
controller_indices.append(i)
elif device_class == openvr.TrackedDeviceClass_TrackingReference:
beacon_indices.append(i)
model_name = vrsys.getStringTrackedDeviceProperty(
i, openvr.Prop_RenderModelName_String)
pose = self.poses[i]
poses[i] = dict(
model_name=model_name,
device_is_connected=pose.bDeviceIsConnected,
valid=pose.bPoseIsValid,
tracking_result=pose.eTrackingResult,
d2a=pose.mDeviceToAbsoluteTracking,
velocity=pose.vVelocity, # m/s
angular_velocity=pose.vAngularVelocity # radians/s?
)
template = jinja_env.get_template('status.html')
html = template.render(poses=poses,
hmd_index=hmd_index,
controller_indices=controller_indices,
beacon_indices=beacon_indices)
self.webview.setHtml(html)
self.update()
def handle_controller_buttons(self, poses):
vr_system = openvr.VRSystem()
openvr.VRControllerState_t
for d in range(openvr.k_unMaxTrackedDeviceCount):
dc = vr_system.getTrackedDeviceClass(d)
if dc != openvr.TrackedDeviceClass_Controller:
continue
if dc == openvr.TrackedDeviceClass_HMD:
continue
pose = poses[d]
if not pose.bPoseIsValid:
continue
result, state = vr_system.getControllerState(d)
if state.ulButtonPressed & (1 << openvr.k_EButton_SteamVR_Trigger):
if not self._was_pressed:
print('pressed')
self.start_pulse(d)
self._was_pressed = True
self.check_pulse(d)
else:
self._was_pressed = False
def update_controller_states(self):
new_event = openvr.VREvent_t()
while openvr.VRSystem().pollNextEvent(new_event):
self._check_controller_drag(new_event)
now_is_dragging = self.left_controller.is_dragging or self.right_controller.is_dragging
xform = self._compute_controllers_transform()
if xform is not None:
obj.model_matrix *= xform
# Check for drag begin/end
if self.is_dragging and not now_is_dragging:
# print ("drag released!")
# maybe record velocity
self._begin_inertial_coast()
elif now_is_dragging and not self.is_dragging:
# print ("drag started!")
self.translation_history.clear()
self.speed = 0.0
elif now_is_dragging: # continued drag
pass
else: # not dragging, so maybe slow inertial coasting
if self.speed > 0:
dt = time.time() - self.previous_update_time
dv = dt * self.velocity_damping
self.speed -= dv
if self.speed < 0: # stay positive
self.speed = 0.0
elif self.speed < self.min_velocity: # static friction takes over at the very end
self.speed = 0.0
else:
# print ("speed = %.3f meters per second" % self.speed)
dx = self.speed * dt * self.direction
obj.model_matrix *= MyTransform.translation(dx)
self.previous_update_time = time.time()
# Remember drag state
self.is_dragging = now_is_dragging
def _draw(self, headset_id):
poses = openvr.VRSystem().getDeviceToAbsoluteTrackingPose(
openvr.TrackingUniverseRawAndUncalibrated, 0, 16)
pose = poses[headset_id]
headset_pose = pose.mDeviceToAbsoluteTracking
for name, i in self._devices_to_show_remote.items():
if not DEBUG:
try:
if name not in self._device_visualisers:
self._device_visualisers[name] = DeviceVisualiser(name)
self._device_visualisers[name].update(
headset_pose, i.x, i.y, i.z)
except openvr.OpenVRError:
print(
"Got an partner device, but can't show it due to Overlay Error"
)
print(name, i)
else:
print(
"Got an partner device, but can't show it due to HEADLESS DEBUG MODE"
)
print(name, i)
def __init__(self, global_offset, global_rotation):
dll = os.path.join(os.path.dirname(__file__), 'pyopenvr_emu_c_wrapper',
'x64', 'Release', 'pyopenvr_emu_c_wrapper.dll')
self.global_offset = global_offset
self.global_rotation = global_rotation
vrinputemu = ctypes.cdll.LoadLibrary(dll)
self.vrinputemu = vrinputemu
cr = vrinputemu.create_connection
cr.restype = ctypes.c_void_p
emu = vrinputemu.create_connection()
emu_p = ctypes.c_void_p(emu)
self.emu_p = emu_p
openvr.init(openvr.VRApplication_Background)
self.vrsys = openvr.VRSystem()
hmd_id = get_hmd_id()
self.hmd_id = hmd_id
poses_t = openvr.TrackedDevicePose_t * openvr.k_unMaxTrackedDeviceCount
self.poses = poses_t()
set_pose = vrinputemu.set_virtual_device_pose
set_pose.argtypes = [
ctypes.c_void_p,
ctypes.c_uint32,
ctypes.c_double,
ctypes.c_double,
ctypes.c_double,
ctypes.c_double,
ctypes.c_double,
ctypes.c_double,
ctypes.c_double,
]
self.set_tracker_pose = set_pose
def take_steamvr_images(save_dir, num_images, delay_between_images):
plt.show()
openvr.init(openvr.VRApplication_Scene)
convert_coordinate_system = np.identity(4)
convert_coordinate_system[:3, :3] = Rotation.from_euler(
'XYZ', (180, 0, 0), degrees=True).as_matrix()
device = openvr.k_unTrackedDeviceIndex_Hmd
num_cameras = openvr.VRSystem().getInt32TrackedDeviceProperty(
device, openvr.Prop_NumCameras_Int32)
camera_to_head_mat = (openvr.HmdMatrix34_t * num_cameras)()
openvr.VRSystem().getArrayTrackedDeviceProperty(
device, openvr.Prop_CameraToHeadTransforms_Matrix34_Array,
openvr.k_unHmdMatrix34PropertyTag, camera_to_head_mat,
48 * num_cameras)
cam = openvr.VRTrackedCamera()
cam_handle = cam.acquireVideoStreamingService(device)
width, height, buffer_size = cam.getCameraFrameSize(
device, openvr.VRTrackedCameraFrameType_MaximumUndistorted)
fig = plt.figure()
ax = fig.add_subplot(111, projection='3d')
ax.set_xlabel('x axis - metres')
ax.set_ylabel('z axis - metres')
ax.set_zlabel('y axis - metres')
ax.set_xlim(-0.5, 0.5)
ax.set_ylim(-0.5, 0.5)
ax.set_zlim(0, 1)
save_dir = ColmapFolder(save_dir)
db = COLMAPDatabase.connect(save_dir.database_path)
db.create_tables()
init_params = np.array(
(420.000000, (width / num_cameras) / 2, height / 2, 0.000000))
camera_model = CAMERA_MODEL_NAMES['SIMPLE_RADIAL']
cameras = {}
camera_to_head_transforms = {}
for i in range(num_cameras):
cam_id = db.add_camera(camera_model.model_id, width / 2, height,
init_params)
camera_to_head_transforms[cam_id] = hmd_matrix_to_numpy(
camera_to_head_mat[i])
cameras[cam_id] = Camera(id=cam_id,
model=camera_model.model_name,
width=width / num_cameras,
height=height,
params=init_params)
poses = [] # Let waitGetPoses populate the poses structure the first time
cam_positions = []
images = []
for i in range(num_images):
poses, game_poses = openvr.VRCompositor().waitGetPoses(poses, None)
hmd_pose = poses[openvr.k_unTrackedDeviceIndex_Hmd]
if not hmd_pose.bPoseIsValid:
print("Pose not valid")
continue
world_to_head = hmd_matrix_to_numpy(hmd_pose.mDeviceToAbsoluteTracking)
world_to_cams = {
id_: world_to_head @ head_to_cam @ convert_coordinate_system
for (id_, head_to_cam) in camera_to_head_transforms.items()
}
image_buffer = (ctypes.c_ubyte * buffer_size)()
try:
cam.getVideoStreamFrameBuffer(
cam_handle, openvr.VRTrackedCameraFrameType_MaximumUndistorted,
image_buffer, buffer_size)
except:
print("Error getting video stream buffer")
continue
image_array = np.array(image_buffer)
image_array = image_array.reshape((height, width, 4))
image_array = image_array[:, :, 0:3]
image_array = np.clip(image_array, 0, 255)
for j, (cam_id, world_to_cam) in enumerate(world_to_cams.items()):
image = Image.fromarray(
image_array[:,
int(width / num_cameras) *
j:int(width / num_cameras) * (j + 1), :])
name = f"{i:03d}_cam{j}.jpg"
image.save(save_dir.images_path / name)
image_obj = read_write_model.Image(
camera_id=cam_id,
name=name,
transformation_matrix=world_to_cam)
images.append(image_obj)
draw_axes(ax, transform_mat=world_to_cam)
fig.show()
fig.canvas.draw()
fig.canvas.flush_events()
time.sleep(delay_between_images)
print(f"Picture taken :{i}")
image_dict = {}
print("All pictures taken")
with open(save_dir.geo_reg_path, 'w') as geo_reg_file:
for image in images:
image_id = db.add_image(image=image)
image.id = image_id
image_dict[image_id] = image
geo_reg_file.write(
f"{name} {' '.join(map(str, image.transformation_matrix[0:3, 3]))}\n"
)
read_write_model.write_model(cameras, image_dict, {}, save_dir.sparse_path,
'.txt')
db.commit()
db.close()
print("Metadata saved")
openvr.shutdown()
plt.show()
def edit_mode(self, left_ctr, right_ctr):
result, state_r = openvr.VRSystem().getControllerState(right_ctr.id)
if state_r.ulButtonPressed:
if list(reversed(bin(state_r.ulButtonPressed)[2:])).index('1') == openvr.k_EButton_SteamVR_Trigger:
self.move_wheel(right_ctr, left_ctr)
super().edit_mode(left_ctr, right_ctr)
def check_pulse(self, device_id):
if self._pulse_remaining > 0:
openvr.VRSystem().triggerHapticPulse(device_id, 0, 2000)
self._pulse_remaining -= 1
import sys
import time
import openvr
openvr.init(openvr.VRApplication_Overlay)
ids = []
leftId = openvr.VRSystem().getTrackedDeviceIndexForControllerRole(
openvr.TrackedControllerRole_LeftHand)
rightId = openvr.VRSystem().getTrackedDeviceIndexForControllerRole(
openvr.TrackedControllerRole_RightHand)
def to_percent(value):
return str(value * 100)[0:2]
def writefile(left, right):
datafile = open("../storage/ovr.txt", "w")
left = to_percent(left)
right = to_percent(right)
datafile.write("{:2s}.{:2s}".format(str(left), str(right)))
datafile.close()
while True:
overlay = openvr.IVROverlay()
notification = openvr.IVRNotifications()
left_battery = openvr.VRSystem().getFloatTrackedDeviceProperty(
leftId, openvr.Prop_DeviceBatteryPercentage_Float)
right_battery = openvr.VRSystem().getFloatTrackedDeviceProperty(
def __init__(self, left_ctr, right_ctr):
self._handl_closed = False
self._handr_closed = False
self.left_ctr = left_ctr
self.right_ctr = right_ctr
hand_size = 0.15
self.vrsys = openvr.VRSystem()
self.vroverlay = openvr.IVROverlay()
result, self.l_ovr = self.vroverlay.createOverlay(
'left_hand'.encode(), 'left_hand'.encode())
result, self.r_ovr = self.vroverlay.createOverlay(
'right_hand'.encode(), 'right_hand'.encode())
check_result(self.vroverlay.setOverlayColor(self.l_ovr, 1, 1, 1))
check_result(self.vroverlay.setOverlayColor(self.r_ovr, 1, 1, 1))
check_result(self.vroverlay.setOverlayAlpha(self.l_ovr, 1))
check_result(self.vroverlay.setOverlayAlpha(self.r_ovr, 1))
check_result(
self.vroverlay.setOverlayWidthInMeters(self.l_ovr, hand_size))
check_result(
self.vroverlay.setOverlayWidthInMeters(self.r_ovr, hand_size))
this_dir = os.path.abspath(os.path.dirname(__file__))
self.l_open_png = os.path.join(this_dir, 'media', 'hand_open_l.png')
self.r_open_png = os.path.join(this_dir, 'media', 'hand_open_r.png')
self.l_close_png = os.path.join(this_dir, 'media', 'hand_closed_l.png')
self.r_close_png = os.path.join(this_dir, 'media', 'hand_closed_r.png')
check_result(
self.vroverlay.setOverlayFromFile(self.l_ovr,
self.l_open_png.encode()))
check_result(
self.vroverlay.setOverlayFromFile(self.r_ovr,
self.r_open_png.encode()))
result, transform = self.vroverlay.setOverlayTransformTrackedDeviceRelative(
self.l_ovr, self.left_ctr.id)
result, transform = self.vroverlay.setOverlayTransformTrackedDeviceRelative(
self.r_ovr, self.right_ctr.id)
transform[0][0] = 1.0
transform[0][1] = 0.0
transform[0][2] = 0.0
transform[0][3] = 0
transform[1][0] = 0.0
transform[1][1] = 1.0
transform[1][2] = 0.0
transform[1][3] = 0
transform[2][0] = 0.0
transform[2][1] = 0.0
transform[2][2] = 1.0
transform[2][3] = 0
self.transform = transform
rotate = initRotationMatrix(0, -pi / 2)
self.transform = matMul33(rotate, self.transform)
fn = self.vroverlay.function_table.setOverlayTransformTrackedDeviceRelative
result = fn(self.l_ovr, self.left_ctr.id, openvr.byref(self.transform))
result = fn(self.r_ovr, self.right_ctr.id,
openvr.byref(self.transform))
check_result(result)
check_result(self.vroverlay.showOverlay(self.l_ovr))
check_result(self.vroverlay.showOverlay(self.r_ovr))
def limiter(self, left_ctr, right_ctr):
if abs(self._wheel_angles[-1]) / (2 * pi) > (
self.config.wheel_degrees / 360) / 2:
self._wheel_angles[-1] = self._wheel_angles[-2]
openvr.VRSystem().triggerHapticPulse(left_ctr.id, 0, 3000)
openvr.VRSystem().triggerHapticPulse(right_ctr.id, 0, 3000)
def handle_input(self):
# Note: Key events are handled by glfw in key_callback
# Process SteamVR events
event = openvr.VREvent_t()
has_events = True
while has_events:
has_events = self.hmd.pollNextEvent(event)
self.process_vr_event(event)
# Process SteamVR action state
# UpdateActionState is called each frame to update the state of the actions themselves. The application
# controls which action sets are active with the provided array of VRActiveActionSet_t structs.
action_sets = (openvr.VRActiveActionSet_t * 1)()
action_set = action_sets[0]
action_set.ulActionSet = self.action_set_demo
openvr.VRInput().updateActionState(action_sets)
#
self.show_cubes = not get_digital_action_state(
self.action_hide_cubes)[0]
#
bH, haptic_device = get_digital_action_rising_edge(
self.action_trigger_haptic, True)
if bH:
for hand in self.hand:
if haptic_device == hand.source:
openvr.VRInput().triggerHapticVibrationAction(
hand.action_haptic, 0, 1, 4, 1,
openvr.k_ulInvalidInputValueHandle)
analog_data = openvr.VRInput().getAnalogActionData(
self.action_analog_input, openvr.k_ulInvalidInputValueHandle)
self.analog_value[0] = analog_data.x
self.analog_value[
1] = analog_data.y # TODO: these seem to be unused...
self.hand[Left].show_controller = True
self.hand[Right].show_controller = True
do_hide, hide_device = get_digital_action_state(
self.action_hide_this_controller, True)
if do_hide:
for hand in self.hand:
if hide_device == hand.source:
hand.show_controller = False
for hand in self.hand:
pose_data = openvr.VRInput().getPoseActionDataForNextFrame(
hand.action_pose,
openvr.TrackingUniverseStanding,
openvr.k_ulInvalidInputValueHandle,
)
if not pose_data.bActive:
hand.show_controller = False
continue
if not pose_data.pose.bPoseIsValid:
hand.show_controller = False
continue
hand.pose = convert_steam_vr_matrix(
pose_data.pose.mDeviceToAbsoluteTracking)
origin_info = openvr.VRInput().getOriginTrackedDeviceInfo(
pose_data.activeOrigin, )
if origin_info.trackedDeviceIndex != openvr.k_unTrackedDeviceIndexInvalid:
render_model_name = openvr.VRSystem(
).getStringTrackedDeviceProperty(
origin_info.trackedDeviceIndex,
openvr.Prop_RenderModelName_String)
hand.render_model = self.find_or_load_render_model(
render_model_name)
hand.render_model_name = render_model_name
interval = 1 / 250
# initialize OSC client
client = udp_client.SimpleUDPClient(args.ip, args.port)
# print some stuff
print(Fore.GREEN + "\rSending OSC tracking data on " + args.ip + ":" +
str(args.port),
end="\n\n")
print(Fore.YELLOW + '{0: <13}'.format("OSC address") +
'{0: <9}'.format("X") + '{0: <9}'.format("Y") +
'{0: <9}'.format("Z") + '{0: <9}'.format("Yaw") +
'{0: <9}'.format("Pitch") + '{0: <9}'.format("Roll"))
# Get the controllers ID's
vrsystem = openvr.VRSystem()
left_id, right_id = None, None
print("===========================")
print("Waiting for controllers...")
try:
while left_id is None or right_id is None:
left_id, right_id = get_controller_ids(vrsystem)
if left_id and right_id:
break
print("Waiting for controllers...")
time.sleep(1.0)
except KeyboardInterrupt:
print("Control+C pressed, shutting down...")
openvr.shutdown()
import openvr
openvr.init(openvr.VRApplication_Background)
while True:
print()
for c in range(16):
result, pControllerState = openvr.VRSystem().getControllerState(c)
for i in pControllerState.rAxis:
if i.x != 0 or i.y != 0:
print(i.x, i.y)
def data():
# print("Receiving data...")
try:
JSpose = json.loads(request.body.read())
except Exception as error:
print(error)
# Go over the extra data in the JSpose
try:
for data in JSpose["extraData"]:
if data["name"] == "xOffset":
global x_offset
x_offset = float(data["value"])
elif data["name"] == "yOffset":
global y_offset
y_offset = float(data["value"])
elif data["name"] == "xMultiplier":
global x_multiplier
x_multiplier = float(data["value"])
elif data["name"] == "yMultiplier":
global y_multiplier
y_multiplier = float(data["value"])
except KeyError:
pass
# Telja hversu oft er verið að uppfæra
global last_poses_per_second
global poses_this_second
global time_of_last_pose
if math.floor(time.time()) == time_of_last_pose:
poses_this_second += 1
else:
time_of_last_pose = math.floor(time.time())
last_poses_per_second = poses_this_second
poses_this_second = 0
# print("Poses per second:",last_poses_per_second)
# ====================
# OpenVR
# ====================
# Uppfæra staðsetningar fjastrýnga og
global poses
poses = openvr.VRSystem().getDeviceToAbsoluteTrackingPose(
openvr.TrackingUniverseStanding, 0, poses)
# HMD
hmdPos = getPosOfDevice(openvr.k_unTrackedDeviceIndex_Hmd)
# print(hmdPos)
# Right controller
rightControllerPos = getPosOfDevice(rightController)
# Left controller
leftControllerPos = getPosOfDevice(leftController)
# ====================
# Calculate diffrence
# and apply positions
# ====================
# print(rightControllerPos[0], "\t", rightControllerPos[0])
# print(leftControllerPos[0], "\t", leftControllerPos[1])
if JSpose["hip"]:
setTrackerLocation(hip_virtual_tracker,
calculate_x_part(JSpose["hip"]["x"]),
calculate_y_part(JSpose["hip"]["y"]), hmdPos[2])
if JSpose["left_foot"]:
setTrackerLocation(left_foot_virtual_tracker,
calculate_x_part(JSpose["left_foot"]["x"]),
calculate_y_part(JSpose["left_foot"]["y"]),
hmdPos[2])
if JSpose["right_foot"]:
setTrackerLocation(right_foot_virtual_tracker,
calculate_x_part(JSpose["right_foot"]["x"]),
calculate_y_part(JSpose["right_foot"]["y"]),
hmdPos[2])
print_string = ""
print_string += "RightController x: " + str(
rightControllerPos[0]) + "\ty: " + str(rightControllerPos[1]) + "\n"
print_string += "LeftController x: " + str(
leftControllerPos[0]) + "\ty: " + str(leftControllerPos[1]) + "\n"
print_string += "\n"
if JSpose["hip"]:
print_string += "HipTracker x: " + str(
calculate_x_part(JSpose["hip"]["x"])) + "\ty: " + str(
calculate_y_part(JSpose["hip"]["y"])) + "\n"
if JSpose["right_foot"]:
print_string += "RightFootTracker x: " + str(
calculate_x_part(JSpose["right_foot"]["x"])) + "\ty: " + str(
calculate_y_part(JSpose["right_foot"]["y"])) + "\n"
if JSpose["left_foot"]:
print_string += "LeftFootTracker x: " + str(
calculate_x_part(JSpose["left_foot"]["x"])) + "\ty: " + str(
calculate_y_part(JSpose["left_foot"]["y"])) + "\n"
print_string += "---------------------------------------------------------------"
print(print_string)
# ====================
# Finish
# ====================
stdout.flush()
def limiter(self, left_ctr, right_ctr):
if abs(self._wheel_angles[-1]) / (2 * pi) > FULLTURN / 2:
self._wheel_angles[-1] = self._wheel_angles[-2]
openvr.VRSystem().triggerHapticPulse(left_ctr.id, 0, 3000)
openvr.VRSystem().triggerHapticPulse(right_ctr.id, 0, 3000)
def main():
# arguments parsing
parser = argparse.ArgumentParser()
parser.add_argument(
"--listeners",
default="127.0.0.1:9001",
help=
"The ip:port of the OSC programs listening, different listeners must be separated with ';', if multiple ports are used on one ip, it possible to use this form ip1:port1-1;port1-2;port1-3;ip2:port2-1;port2-2..."
)
parser.add_argument(
"--origin_serial",
default=None,
help="The serial number of the tracker used for origin calibration")
parser.add_argument(
"--real_world_points",
default=None,
help=
"The JSON file containing list of points to use for origin calibration"
)
parser.add_argument(
"--framerate",
type=int,
default=60,
help=
"Expected framerate - used to slow down OSC messages if OSC listener can't handle the framerate"
)
parser.add_argument(
"--openvr_coordinates",
default=False,
action="store_true",
help=
"Use openVR native coordinate system if set, or Unity coordinate system if not set"
)
parser.add_argument("--steam",
default=False,
action="store_true",
help="Open SteamVR when the script is launched")
parser.add_argument(
"--oscpattern",
default="/iss/tracker",
help="The OSC pattern used to send messages, default is '/iss/tracker'"
)
parser.add_argument("--bundles",
default=False,
action="store_true",
help="Send single frame messages as a OSC bundle")
args = parser.parse_args()
# global program variables
listeners = [] # array of OSC clients
origin_serial = args.origin_serial
real_world_points = []
real_world_points_array = []
different_h = False # to check if all points are at the same height
current_point_index = -1
calib_points = []
calib_mat = np.identity(4)
# booleans for keystroke interactions
to_unity_world = True # can be modified by --openvr_coordinates option or 'u' key
set_origin = False # change state with 'o' key
calib_next_point = False
escape = False # change state with 'escape' key
# filter used to smooth framerate computation for display
t0_list = []
t0_list_max_size = args.framerate / 2
# array of ids of currently tracked trackers (used to identify newly tracked trackers)
trackers_list = []
print("======================================")
print("")
print("---------------------------------------")
print(" Coordinate system and calibration ")
print("---------------------------------------")
# if --openvr_coordinates option is used, compute coordinates for openvr coordinate system
# if not, compute for Unity coordinate system
to_unity_world = not args.openvr_coordinates
coordsys = "Unity"
if not to_unity_world:
coordsys = "openVR"
print("Coordinate system is set for {0}".format(coordsys))
# load last origin matrix from origin_mat.rtm file,
# the file must be located in the same folder as this script
origin_file_path = os.path.dirname(
os.path.abspath(__file__)) + "\origin_mat.rtm"
#print("try to open origin file at {0}".format(origin_file_path))
origin_file = Path(origin_file_path)
if origin_file.exists():
with open(origin_file_path, 'rb') as loaded_file:
depickler = pickle.Unpickler(loaded_file)
calib_mat = depickler.load()
print("origin loaded from file " + origin_file_path)
#print(calib_mat)
else:
print(
"origin file not found at " + origin_file_path +
", please place the reference and press 'o' key to set a new origin"
)
if origin_serial:
print("Calibration can be done with tracker serial " + origin_serial)
if args.real_world_points:
fp = open(args.real_world_points, 'r')
real_world_points = json.load(fp)
if len(real_world_points) < 4:
real_world_points = None
print("Calibration file must contain at least 4 points")
else:
print("Load real world points from JSON file for calibration")
real_world_points_array = np.zeros((len(real_world_points), 3),
np.float32)
different_h = False
last_h = None
for i, pt in enumerate(real_world_points):
if to_unity_world:
real_world_points_array[i][0] = -pt['x']
real_world_points_array[i][1] = pt['z']
real_world_points_array[i][2] = -pt['y']
else:
real_world_points_array[i][0] = pt['x']
real_world_points_array[i][1] = pt['y']
real_world_points_array[i][2] = pt['z']
# check if there is at least one point outside of floor plan
h = real_world_points_array[i][2]
if last_h is None:
last_h = h
if last_h != h:
different_h = True
last_h = h
print("[{0}] : {1:3.2f}, {2:3.2f}, {3:3.2f}".format(
pt['id'], real_world_points_array[i][0],
real_world_points_array[i][1],
real_world_points_array[i][2]))
# if all points are at the same height,
# create a virtual point and append it to the array
if not different_h:
print(
"All points are at the same height, creating a virtual point for calibration"
)
A = real_world_points_array[0]
B = real_world_points_array[1]
C = real_world_points_array[2]
if collinear(A, B, C):
print(
"ERROR : the 3 first points in real_world_points JSON file must not be aligned"
)
virtual_point = A + np.cross(np.subtract(B, A),
np.subtract(C, A))
real_world_points_array = np.vstack(
[real_world_points_array, virtual_point])
print("[{0}] : {1:3.2f}, {2:3.2f}, {3:3.2f}".format(
'virtual point', virtual_point[0], virtual_point[1],
virtual_point[2]))
print("")
print("---------------------------------------")
print(" OSC parameters ")
print("---------------------------------------")
# parse the ip and ports from listeners and create OSC clients
listeners_str = args.listeners.split(";")
overall_ip = "127.0.0.1"
for l in listeners_str:
listener = l.split(":")
port = -1
if len(listener) == 2:
overall_ip = listener[0]
port = int(listener[1])
elif len(listener) == 1:
port = int(listener[0])
ip = overall_ip
print("Add OSC listener at {0}:{1}".format(ip, port))
listeners.append(udp_client.SimpleUDPClient(ip, port))
print("OSC pattern : " + args.oscpattern)
send_bundles = "Send separate OSC messages for each tracker"
if args.bundles:
send_bundles = "Send simultaneous tracker OSC messages as bundles"
print(send_bundles)
print("")
print("---------------------------------------")
print(" OpenVR ")
print("---------------------------------------")
# init OpenVR
# VRApplication_Other will not open SteamVR
# VRApplication_Scene will open SteamVR
vrapplication_type = openvr.VRApplication_Other
if args.steam:
vrapplication_type = openvr.VRApplication_Scene
print("open SteamVR")
print("Initialize OpenVR ... ", end='')
try:
openvr.init(vrapplication_type)
except openvr.OpenVRError as e:
print("Impossible to intialize OpenVR")
print(e)
exit(0)
vrsystem = openvr.VRSystem()
print("OK")
print("======================================")
print("")
program_t0 = time.perf_counter()
while (not escape):
# keep track of loop time
loop_t0 = time.perf_counter()
t0_list.append(loop_t0)
if len(t0_list) >= t0_list_max_size:
del t0_list[0]
# handle keyboard inputs
key = kbfunc()
if key != 0:
if key == ord('o'):
if origin_serial:
# set up origin
set_origin = True
print("\nset new origin : ")
if real_world_points:
current_point_index = -1
print("Multi-points calibration")
calib_next_point = True
else:
print("Single point calibration")
elif key == ord('n'):
calib_next_point = True
elif key == ord('r'):
print("\nreset origin")
calib_mat = np.identity(4)
elif key == ord('u'):
to_unity_world = not to_unity_world
print("\nto unity world = {0}".format(to_unity_world))
elif key == 27: # escape
escape = True
openvr.shutdown()
# get all devices currently tracked, it include HMD, controllers, lighthouses and trackers
poses_t = openvr.TrackedDevicePose_t * openvr.k_unMaxTrackedDeviceCount
tracked_devices = poses_t()
tracked_devices = vrsystem.getDeviceToAbsoluteTrackingPose(
openvr.TrackingUniverseStanding, 0, len(tracked_devices))
# array to store content that must be sent over OSC
osc_content = []
current_loop_trackers_list = []
for _i, device in enumerate(tracked_devices):
# broswe the array and keey only correctly tracked trackers
if device.bPoseIsValid and vrsystem.getTrackedDeviceClass(
_i) == openvr.TrackedDeviceClass_GenericTracker:
tracker_id = vrsystem.getStringTrackedDeviceProperty(
_i, openvr.Prop_SerialNumber_String)
current_loop_trackers_list.append(tracker_id)
# add tracker_id to list if not already in it
if tracker_id not in trackers_list:
trackers_list.append(tracker_id)
print("\nNew tracker found : {}".format(trackers_list[-1]))
# compute relative position (vector3) and rotation(quaternion) from 3x4 openvr matrix
m_4x4 = vive_pose_to_numpy_matrix_4x4(
device.mDeviceToAbsoluteTracking)
m_corrected = np.matmul(calib_mat, m_4x4)
m_rot = np.identity(3)
for x in range(0, 3):
for y in range(0, 3):
m_rot[x][y] = m_corrected[x][y]
quat = quaternion.from_rotation_matrix(m_rot)
# append computed pos/rot to the list
content = [
tracker_id, m_corrected[0][3], m_corrected[1][3],
m_corrected[2][3], quat.x, quat.y, quat.z, quat.w
]
if to_unity_world:
# switch and invert coordinates if Unity coordinate system is required
content = [
tracker_id, -m_corrected[0][3], -m_corrected[2][3],
m_corrected[1][3], quat.x, quat.z, -quat.y, quat.w
]
osc_content.append(content)
# set new origin if requested
if vrsystem.getStringTrackedDeviceProperty(
_i, openvr.Prop_SerialNumber_String
) == origin_serial and set_origin:
# perform multi-points calibration
if len(real_world_points) >= 4:
if calib_next_point:
if current_point_index < len(
real_world_points) - 1:
print("Place your origin tracker on point")
print(real_world_points[current_point_index +
1])
print("and press 'n'")
if current_point_index < 0:
pass
else:
openvr_pt = m_4x4[0:3, 3]
calib_points.append(openvr_pt)
calib_next_point = False
current_point_index = current_point_index + 1
if current_point_index >= len(real_world_points):
print("Computing calibration with {} points".
format(len(real_world_points)))
calib_points = np.stack(calib_points)
if not different_h:
print(
"All real world points are at same height, creating virtual point"
)
A = calib_points[0]
B = calib_points[1]
C = calib_points[2]
virtual_calib_point = A + np.cross(
np.subtract(B, A), np.subtract(C, A))
calib_points = np.vstack(
[calib_points, virtual_calib_point])
retval, M, inliers = cv2.estimateAffine3D(
calib_points, real_world_points_array)
calib_mat = np.vstack([M, [0, 0, 0, 1]])
with open(origin_file_path,
'wb') as saved_file:
pickler = pickle.Pickler(saved_file)
pickler.dump(calib_mat)
print(calib_mat.round(3))
set_origin = False
# perform single point calibration (e.g, tracker position is origin, rotation matters)
else:
set_origin = False
calib_mat = np.linalg.inv(m_4x4)
with open(origin_file_path, 'wb') as saved_file:
pickler = pickle.Pickler(saved_file)
pickler.dump(calib_mat)
print(calib_mat.round(3))
# remove trackers that are not tracked any more
for t in trackers_list:
if t not in current_loop_trackers_list:
print("\n\tTracker lost : {}".format(t))
trackers_list.remove(t)
# send osc content to all listeners if needed
for l in listeners:
if args.bundles:
bundle_builder = osc_bundle_builder.OscBundleBuilder(
osc_bundle_builder.IMMEDIATELY)
for c in osc_content:
msg = osc_message_builder.OscMessageBuilder(
address=args.oscpattern)
for oscarg in c:
msg.add_arg(oscarg)
bundle_builder.add_content(msg.build())
l.send(bundle_builder.build())
else:
for c in osc_content:
l.send_message(args.oscpattern, c)
#calulate fps
fps = 0
if len(t0_list) > 1:
fps = len(t0_list) / (t0_list[-1] - t0_list[0])
# update state display
if (not set_origin):
print(
"\rtime : {0:8.1f}, fps : {1:4.1f}, nb trackers : {2} ".
format(loop_t0 - program_t0, fps, len(osc_content)),
end="")
# ensure fps is respected to avoid OSC messages queue overflow
while time.perf_counter() - loop_t0 <= 1.0 / args.framerate:
pass
import openvr
from sys import stdout
from time import sleep
import pprint
poses = []
pp = pprint.PrettyPrinter(indent=4)
openvr.init(openvr.VRApplication_Background)
while True:
poses = openvr.VRSystem().getDeviceToAbsoluteTrackingPose(
openvr.TrackingUniverseStanding, 0, poses)
hmd_pose = poses[openvr.k_unTrackedDeviceIndex_Hmd]
absolute_hmd_pose = hmd_pose.mDeviceToAbsoluteTracking
hmd_pos = [
absolute_hmd_pose[0][3], absolute_hmd_pose[1][3],
absolute_hmd_pose[2][3]
]
pp.pprint(hmd_pos)
stdout.flush()
sleep(.5)
def get_hmd_id():
vrsys = openvr.VRSystem()
for i in range(openvr.k_unMaxTrackedDeviceCount):
device_class = vrsys.getTrackedDeviceClass(i)
if device_class == openvr.TrackedDeviceClass_HMD:
return i
)
# obj = ObjMesh(open("AIv6b_699.obj", 'r'))
renderer = OpenVrGlRenderer(multisample=2)
renderer.append(SkyActor())
# renderer.append(ColorCubeActor())
controllers = TrackedDevicesActor(renderer.poses)
controllers.show_controllers_only = True
renderer.append(controllers)
renderer.append(obj)
renderer.append(FloorActor())
new_event = openvr.VREvent_t()
with GlfwApp(renderer, "mouse brain") as glfwApp:
while not glfw.window_should_close(glfwApp.window):
glfwApp.render_scene()
# Update controller drag state when buttons are pushed
while openvr.VRSystem().pollNextEvent(new_event):
check_controller_drag(new_event)
tx1 = right_controller.check_drag(renderer.poses)
tx2 = left_controller.check_drag(renderer.poses)
if tx1 is None and tx2 is None:
pass # No dragging this time
elif tx1 is not None and tx2 is not None:
# TODO - combined transform
# Translate to average of two translations
tx = 0.5 * (tx1 + tx2)
# obj.model_matrix *= tx
# TODO - scale
mat_left = left_controller.current_pose.mDeviceToAbsoluteTracking.m
mat_right = right_controller.current_pose.mDeviceToAbsoluteTracking.m
pos_left = numpy.array([mat_left[i][3] for i in range(3)])
pos_right = numpy.array([mat_right[i][3] for i in range(3)])