void UpdateReticle(GameObject previousGazedObject)
{
if (gazePointer == null)
{
return;
}
Camera camera = pointerData.enterEventCamera; // Get the camera
GameObject gazeObject = GetCurrentGameObject(); // Get the gaze target
Vector3 intersectionPosition = GetIntersectionPosition();
bool isInteractive = pointerData.pointerPress != null ||
ExecuteEvents.GetEventHandler <IPointerClickHandler>(gazeObject) != null;
if (gazeObject == previousGazedObject)
{
if (gazeObject != null)
{
gazePointer.OnGazeStay(camera, gazeObject, intersectionPosition, isInteractive);
}
}
else
{
if (previousGazedObject != null)
{
gazePointer.OnGazeExit(camera, previousGazedObject);
}
if (gazeObject != null)
{
gazePointer.OnGazeStart(camera, gazeObject, intersectionPosition, isInteractive);
}
}
}
private void HandleGaze()
{
// Retrieve GazePointer radius.
float innerRadius = 0.0f;
float outerRadius = 0.0f;
if (pointer != null)
{
pointer.GetPointerRadius(out innerRadius, out outerRadius);
}
// Find what object the user is looking at.
Vector3 intersectPosition;
IGvrGazeResponder target = null;
GameObject targetObject = FindGazeTarget(innerRadius, out target, out intersectPosition);
// Found a target?
if (targetObject != null)
{
lastIntersectPosition = intersectPosition;
// Is the object new?
if (targetObject != currentGazeObject)
{
if (pointer != null)
{
pointer.OnGazeExit(cam, currentGazeObject);
}
if (currentTarget != null)
{
// Replace with current object.
currentTarget.OnGazeExit();
}
// Save new object.
currentTarget = target;
currentGazeObject = targetObject;
// Inform pointer and target of gaze.
if (pointer != null)
{
pointer.OnGazeStart(cam, currentGazeObject, intersectPosition,
currentTarget != null);
}
if (currentTarget != null)
{
currentTarget.OnGazeEnter();
}
}
else
{
// Same object, inform pointer of new intersection.
if (pointer != null)
{
pointer.OnGazeStay(cam, currentGazeObject, intersectPosition,
currentTarget != null);
}
}
}
else
{
// Failed to find an object by inner radius.
if (currentGazeObject != null)
{
// Already gazing an object? Check against outer radius.
if (IsGazeNearObject(outerRadius, currentGazeObject, out intersectPosition))
{
// Still gazing.
if (pointer != null)
{
pointer.OnGazeStay(cam, currentGazeObject, intersectPosition, currentTarget != null);
}
}
else
{
// No longer gazing any object.
if (pointer != null)
{
pointer.OnGazeExit(cam, currentGazeObject);
}
if (currentTarget != null)
{
currentTarget.OnGazeExit();
}
currentTarget = null;
currentGazeObject = null;
}
}
}
}
public void OnGazeStay(Camera camera, GameObject targetObject, Vector3 intersectionPosition, bool isInteractive)
{
GazePointer.OnGazeStay(camera, targetObject, intersectionPosition, isInteractive);
}
