/// <summary>
/// Gets the pose of the given eye, predicted for the time when the current frame will scan out.
/// </summary>
public Pose GetEyePose
(dpncEYE eye
, dpnQuarterion pose
, dpnVector3 position // position 在当前应该已经被转成左手系（Unity）了
, float interpupillary_distance
)
{
Quaternion rot = pose.ToQuaternion(); // 右手螺旋, 左手系 -> 左手螺旋，左手系（Unity）
float eye_offset_x = 0.5f * interpupillary_distance;
eye_offset_x = (eye == dpncEYE.LEFT) ? -eye_offset_x : eye_offset_x;
float neck_to_eye_height = 0.0f;
float eye_depth = 0.0f; // PC: head model do in native sdk, Android: for compatible old game, do here as old apps
#if UNITY_ANDROID && !UNITY_EDITOR
float eye_height = 1.6f;
float player_height = eye_height * 1.067f; // eye should be at 15/16 of total height.
neck_to_eye_height = player_height * 0.0625f * DpnManager.worldScale; //neck_to_eye_height should be 1/16 of total height.
eye_depth = 0.0805f * DpnManager.worldScale;
#endif
Vector3 neck_model = new Vector3(0.0f, neck_to_eye_height, eye_depth);
Vector3 pos = rot * (new Vector3(eye_offset_x, 0.0f, 0.0f) + neck_model); // neck-pivot space
pos -= neck_model; // what it does is converting pos to initially oriented center-eye space, making the initial position of center eye (0,0,0)
Pose ret = new Pose();
ret.position = pos + new Vector3(position.x, position.y, position.z);
ret.orientation = rot;
return(ret);
}
/// <summary>
/// Gets the head pose.
/// </summary>
/// <param name="predictionTime">The prediction time.</param>
/// <returns></returns>
public Pose GetHeadPose(double predictionTime = 0d)
{
#if UNITY_ANDROID && !UNITY_EDITOR
dpnQuarterion pose = Composer.DpnuGetPredictedPose(predictionTime);
dpnVector3 position = Composer.DpnuGetPredictedPosition(predictionTime);
#else
dpnQuarterion pose = Composer.DpnuGetPose();
dpnVector3 position = Composer.DpnuGetPosition();
#endif
return(new Pose
{
position = new Vector3(position.x, position.y, position.z),
orientation = pose.ToQuaternion(),
});
}
/// <summary>
/// Updates the state of the device.
/// </summary>
public override void DpnpUpdate()
{
base.DpnpUpdate();
double displayTime = Composer.DpnuGetPredictedDisplayTime(DpnManager.minimumVsync);
pose = Composer.DpnuGetPredictedPose(displayTime); // 右手螺旋, 左手系, room坐标系 或者 惯性系
if (DpnManager.peripheral == DPVRPeripheral.Polaris)
{
float[] temp_position = DpnpGetDeviceCurrentStatus().position_state[0];
position = new dpnVector3(temp_position[0], temp_position[1], temp_position[2]);
position.z = -position.z;
}
#if UNITY_ANDROID && !UNITY_EDITOR
else if (DpnManager.peripheral == DPVRPeripheral.Nolo && NoloController._instance[(int)NoloController.NoloDevice.Nolo_Hmd] != null)
{
Vector3 temp_position = NoloController._instance[(int)NoloController.NoloDevice.Nolo_Hmd].transform.localPosition;
position = new dpnVector3(temp_position.x, temp_position.y, temp_position.z);
}
#endif
else
{
position = Composer.DpnuGetPredictedPosition(displayTime);
position.z = -position.z;
}
position.x = position.x * DpnManager.worldScale;
position.y = position.y * DpnManager.worldScale;
position.z = position.z * DpnManager.worldScale;
Pose posel = _sensor.GetEyePose(dpncEYE.LEFT, pose, position
, DpnManager.DeviceInfo.ipd);
Pose poser = _sensor.GetEyePose(dpncEYE.RIGHT, pose, position
, DpnManager.DeviceInfo.ipd);
//After GetEyePose: dpnQuarterion.ToQuaternion, 变成左手螺旋, 左手系, room坐标系 或者 惯性系
//update eye's render target and transform
_Update(posel, poser
, _monoscopic, _freezed);
//Unity 使用的是左手螺旋，左手系
UpdatePeripheral();
}
public extern static bool DpnuUpdatePose(dpnQuarterion pose, dpnVector3 position);
public static void UpdatePose(dpnQuarterion pose, dpnVector3 pos)
{
Composer.DpnuUpdatePose(pose, pos);
}
void ReadState(DpnDaydreamControllerState outState, DpnDaydreamControllerState lastState)
{
outState.connectionState = (DpnConnectionState)DpnpGetDeviceCurrentStatus().device_status;
outState.apiStatus = DpnControllerApiStatus.Ok;
float[] pose = DpnpGetDeviceCurrentStatus().pose_state[0];
dpnQuarterion rawOri = new dpnQuarterion {
s = pose[0], i = pose[1], j = pose[2], k = pose[3]
};
dpnVector3 rawAccel = new dpnVector3 {
x = pose[7], y = pose[8], z = pose[9]
};
dpnVector3 rawGyro = new dpnVector3 {
x = pose[4], y = pose[5], z = pose[6]
};
outState.orientation = rawOri.ToQuaternion();
//outState.orientation = new Quaternion(pose[1], pose[2], pose[3], pose[0]);
outState.accel = new Vector3(rawAccel.x, rawAccel.y, -rawAccel.z);
outState.gyro = new Vector3(-rawGyro.x, -rawGyro.y, rawGyro.z);
switch (DpnManager.peripheral)
{
case DPVRPeripheral.Flip:
{
float touchPos_x = DpnpGetDeviceCurrentStatus().axis_state[(int)DPNP_DAYDREAM_AXES.DPNP_DAYDREAM_AXIS_X][0];
float touchPos_y = DpnpGetDeviceCurrentStatus().axis_state[(int)DPNP_DAYDREAM_AXES.DPNP_DAYDREAM_AXIS_Y][0];
outState.touchPos = new Vector2(touchPos_x, touchPos_y);
outState.isTouching = 0 != DpnpGetDeviceCurrentStatus().button_state[(int)DPNP_FLIP_BUTTONS.DPNP_FLIP_BUTTON_TOUCH][0];
outState.touchDown = !lastState.isTouching && outState.isTouching;
outState.touchUp = lastState.isTouching && !outState.isTouching;
outState.appButtonState = 0 != DpnpGetDeviceCurrentStatus().button_state[(int)DPNP_FLIP_BUTTONS.DPNP_FLIP_BUTTON_APP][0];
outState.appButtonDown = !lastState.appButtonState && outState.appButtonState;
outState.appButtonUp = lastState.appButtonState && !outState.appButtonState;
outState.clickButtonState = 0 != DpnpGetDeviceCurrentStatus().button_state[(int)DPNP_FLIP_BUTTONS.DPNP_FLIP_BUTTON_CLICK][0];
outState.clickButtonDown = !lastState.clickButtonState && outState.clickButtonState;
outState.clickButtonUp = lastState.clickButtonState && !outState.clickButtonState;
outState.triggerButtonState = 0 != DpnpGetDeviceCurrentStatus().button_state[(int)DPNP_FLIP_BUTTONS.DPNP_FLIP_BUTTON_TRIGGGER][0];
outState.triggerButtonDown = !lastState.triggerButtonState && outState.triggerButtonState;
outState.triggerButtonUp = lastState.triggerButtonState && !outState.triggerButtonState;
outState.volumeUpButtonState = false;
outState.volumeUpButtonDown = false;
outState.volumeUpButtonUp = false;
outState.volumeDownButtonState = false;
outState.volumeDownButtonDown = false;
outState.volumeDownButtonUp = false;
outState.recentering = 0 != DpnpGetDeviceCurrentStatus().button_state[(int)DPNP_FLIP_BUTTONS.DPNP_FLIP_BUTTON_RECENTERING][0];
outState.recentered = 0 != DpnpGetDeviceCurrentStatus().button_state[(int)DPNP_FLIP_BUTTONS.DPNP_FLIP_BUTTON_RECENTERED][0];
//Debug.Log(" DpnDaydreamControllerState GetData:" + "connectionState = " + outState.connectionState
//+ " outState.accX = " + outState.accel.x + " outState.accY = " + outState.accel.y + " outState.accZ = " + outState.accel.z
//+ " outState.gyroX = " + outState.gyro.x + " outState.gyroY = " + outState.gyro.y + " outState.gyroZ = " + outState.gyro.z
//+ " outState.oriX = " + outState.orientation.x + " outState.oriY = " + outState.orientation.y + " outState.oriZ = " + outState.orientation.z
//+ " outState.touchX = " + outState.touchPos.x + " outState.touchY = " + outState.touchPos.y
//+ " outState.btnAPP = " + outState.appButtonState + " outState.btnHome = " + outState.recentering + " outState.btnClick = " + outState.clickButtonState
//+ " outState.btnvolumeUp = " + outState.volumeUpButtonState + " outState.btnvolumeDown = " + outState.volumeDownButtonState);
// If the controller was recentered, we may also need to request that the headset be
// recentered. We should do that only if VrCore does NOT implement recentering.
outState.headsetRecenterRequested = outState.recentered;
if (outState.touchUp)
{
_touchUpPos = lastcontrollerState.touchPos;
}
break;
}
default:
{
float touchPos_x = DpnpGetDeviceCurrentStatus().axis_state[(int)DPNP_DAYDREAM_AXES.DPNP_DAYDREAM_AXIS_X][0];
float touchPos_y = DpnpGetDeviceCurrentStatus().axis_state[(int)DPNP_DAYDREAM_AXES.DPNP_DAYDREAM_AXIS_Y][0];
outState.touchPos = new Vector2(touchPos_x, touchPos_y);
outState.isTouching = (0 != touchPos_x) && (0 != touchPos_y);
outState.touchDown = !lastState.isTouching && outState.isTouching;
outState.touchUp = lastState.isTouching && !outState.isTouching;
outState.appButtonState = 0 != DpnpGetDeviceCurrentStatus().button_state[(int)DPNP_DAYDREAM_BUTTONS.DPNP_DAYDREAM_BUTTON_APP][0];
outState.appButtonDown = !lastState.appButtonState && outState.appButtonState;
outState.appButtonUp = lastState.appButtonState && !outState.appButtonState;
outState.clickButtonState = 0 != DpnpGetDeviceCurrentStatus().button_state[(int)DPNP_DAYDREAM_BUTTONS.DPNP_DAYDREAM_BUTTON_CLICK][0];
outState.clickButtonDown = !lastState.clickButtonState && outState.clickButtonState;
outState.clickButtonUp = lastState.clickButtonState && !outState.clickButtonState;
outState.triggerButtonState = false;
outState.triggerButtonDown = false;
outState.triggerButtonUp = false;
outState.volumeUpButtonState = 0 != DpnpGetDeviceCurrentStatus().button_state[(int)DPNP_DAYDREAM_BUTTONS.DPNP_DAYDREAM_BUTTON_VOLUMEUP][0];
outState.volumeUpButtonDown = !lastState.volumeUpButtonState && outState.volumeUpButtonState;
outState.volumeUpButtonUp = lastState.volumeUpButtonState && !outState.volumeUpButtonState;
outState.volumeDownButtonState = 0 != DpnpGetDeviceCurrentStatus().button_state[(int)DPNP_DAYDREAM_BUTTONS.DPNP_DAYDREAM_BUTTON_VOLUMEDOWN][0];
outState.volumeDownButtonDown = !lastState.volumeDownButtonState && outState.volumeDownButtonState;
outState.volumeDownButtonUp = lastState.volumeDownButtonState && !outState.volumeDownButtonState;
outState.recentering = 0 != DpnpGetDeviceCurrentStatus().button_state[(int)DPNP_DAYDREAM_BUTTONS.DPNP_DAYDREAM_BUTTON_HOME][0];
outState.recentered = lastState.recentering && !outState.recentering;
//Debug.Log(" DpnDaydreamControllerState GetData:" + "connectionState = " + outState.connectionState
//+ " outState.accX = " + outState.accel.x + " outState.accY = " + outState.accel.y + " outState.accZ = " + outState.accel.z
//+ " outState.gyroX = " + outState.gyro.x + " outState.gyroY = " + outState.gyro.y + " outState.gyroZ = " + outState.gyro.z
//+ " outState.oriX = " + outState.orientation.x + " outState.oriY = " + outState.orientation.y + " outState.oriZ = " + outState.orientation.z
//+ " outState.touchX = " + outState.touchPos.x + " outState.touchY = " + outState.touchPos.y
//+ " outState.btnAPP = " + outState.appButtonState + " outState.btnHome = " + outState.recentering + " outState.btnClick = " + outState.clickButtonState
//+ " outState.btnvolumeUp = " + outState.volumeUpButtonState + " outState.btnvolumeDown = " + outState.volumeDownButtonState);
// If the controller was recentered, we may also need to request that the headset be
// recentered. We should do that only if VrCore does NOT implement recentering.
outState.headsetRecenterRequested = outState.recentered;
if (outState.touchUp)
{
_touchUpPos = lastcontrollerState.touchPos;
}
break;
}
}
}