private void CompleteSelection()
{
//hide radial image
_reticle.ShowRadialImage(false);
//radial progress completed, call completion events on target
_target.GazeComplete(m_pointerEventData);
if (_target.Repeat)
{
_target = null;
_previousTarget = null;
_reticle.ResetProgress();
_reticle.SetPosition();
}
}
private void GazeRaycast()
{
// Show the debug ray
if (_showDebugRay)
{
Debug.DrawRay(Camera.main.transform.position, Camera.main.transform.forward * _debugRayLength, Color.blue, _debugRayDuration);
}
//Set up PointerEventData
m_pointerEventData = new PointerEventData(_eventSystem);
//handle positioning for gaze raycast depending on platform or using Unity editor
#if UNITY_EDITOR
m_pointerEventData.position = new Vector2(Screen.width / 2, Screen.height / 2);
#elif UNITY_IOS || UNITY_ANDROID
m_pointerEventData.position = new Vector2(UnityEngine.XR.XRSettings.eyeTextureWidth / 2, UnityEngine.XR.XRSettings.eyeTextureHeight / 2);
#endif
//Create a list of Raycast Results
List <RaycastResult> results = new List <RaycastResult>();
_eventSystem.RaycastAll(m_pointerEventData, results);
//loop through all items hit
for (int i = 0; i < results.Count; i++)
{
if (results[i].gameObject.GetComponent <VRTargetItem>())
{
_target = results[i].gameObject.GetComponent <VRTargetItem>();
_currentTarget = results[i];
// Something was hit, set position to hit position.
if (_reticle)
{
_reticle.SetPosition(results[i]);
}
break;
}
//no targets found
_target = null;
}
// If current interactive item is not the same as the last interactive item, then call GazeEnter and start fill
if (_target && _target != _previousTarget)
{
_reticle.ShowRadialImage(true);
_target.GazeEnter(m_pointerEventData);
if (_previousTarget)
{
_previousTarget.GazeExit(m_pointerEventData);
}
_reticle.StartProgress();
_previousTarget = _target;
}
else if (_target && _target == _previousTarget) //hovering over same item, advance fill progress
{
if (_reticle.ProgressRadialImage()) //returns true if selection is completed
{
CompleteSelection();
}
}
else
{
//no target hit
if (_previousTarget)
{
_previousTarget.GazeExit(m_pointerEventData);
}
_target = null;
_previousTarget = null;
_reticle.ShowRadialImage(false);
_reticle.ResetProgress();
_reticle.SetPosition();
}
}
