ブログ用 - ハンドトラッキングデータの発行

HandDeviceSupport.cs

[SerializeField]
private PXR_Hand _rightHand, _leftHand;

private const int ValidTrackingState = (int)(InputTrackingState.Position | InputTrackingState.Rotation);
private const int InvalidTrackingState = (int)InputTrackingState.None;

private const float GripThreshold = 0.5f;

private void Update()
{
    if(_rightDevice != null && _rightDevice.added)
    {
        UpdateHand(_rightDevice, _rightHand);
    }

    if(_leftDevice != null && _leftDevice.added)
    {
        UpdateHand(_leftDevice, _leftHand);
    }
}

private void UpdateHand(InputDevice device, PXR_Hand hand)
{
    if(device == null || hand == null)
    {
        return;
    }

    var state = new HandDeviceState()
    {
        isTracked = hand.RayValid,
        trackingState = hand.RayValid ? ValidTrackingState : InvalidTrackingState,
        devicePosition = hand.RayPose.Position.ToVector3(),
        deviceRotation = hand.RayPose.Orientation.ToQuat(),
        grip = hand.TouchStrengthRay,
        gripButton = (hand.TouchStrengthRay > GripThreshold)
    };

    InputSystem.QueueStateEvent(device, state);
}