private void DetectAndDispatchHeadMotionInput(Vector3 acceleration)
{
float magnitude = acceleration.magnitude;
const float nodTimeDelay = 0.2f;
const float nodThreshold = 1.05f;
const float deepNodUpAngle = 5;
const float deepNodDownAngle = 20;
float deltaTime = Time.time - lastNodTime;
// Angle between quaternions
Quaternion gazeRotation = Quaternion.LookRotation(Gaze.direction);
float yawDegrees = Mathf.Atan2(Gaze.direction.x, Gaze.direction.z) * Mathf.Rad2Deg;
Quaternion rotateAroundAxis = Quaternion.AngleAxis(yawDegrees, Vector3.up);
Quaternion alignedStartRotation = rotateAroundAxis * startRotation;
float angle = Quaternion.Angle(gazeRotation, alignedStartRotation);
//float signedAngle = SignedAngle(gazeRotation, startRotation);
if (isDeepNodding && angle <= deepNodUpAngle)
{
// Deep nod up
isDeepNodding = false;
choreographer.InputAction(BaseChoreographer.PlayerAction.MOTION_DEEP_NOD_UP);
}
else if (angle >= deepNodDownAngle && !isDeepNodding)
{
// Deep nod down
isDeepNodding = true;
choreographer.InputAction(BaseChoreographer.PlayerAction.MOTION_DEEP_NOD_DOWN);
}
else if (deltaTime > nodTimeDelay && magnitude > nodThreshold && !isDeepNodding)
{
// Nod gesture
lastNodTime = Time.time;
choreographer.InputAction(BaseChoreographer.PlayerAction.MOTION_NOD);
}
// TODO(jaween): Detect head tilt gesture
// Debug input
if (debugStoredAction != BaseChoreographer.PlayerAction.NONE)
{
choreographer.InputAction(debugStoredAction);
debugStoredAction = BaseChoreographer.PlayerAction.NONE;
}
}
private void DebugInput()
{
// Debug input
if (Input.GetMouseButtonDown(0))
{
debugStoredAction = BaseChoreographer.PlayerAction.MOTION_NOD;
}
if (Input.GetMouseButtonDown(1))
{
debugStoredAction = BaseChoreographer.PlayerAction.MOTION_DEEP_NOD_DOWN;
}
if (Input.GetMouseButtonUp(1))
{
debugStoredAction = BaseChoreographer.PlayerAction.MOTION_DEEP_NOD_UP;
}
}