// use screen midpoint as locked pointer location, enabling look location to be the "mouse"
private PointerEventData GetLookPointerEventData()
{
VRCursorController cursor = VRCursorController.GetInstance();
Vector3 lookPosition = cursor.GetCursorRaycastPosition(RAYCAST_OFFSET);
RaycastHit testRayResult = new RaycastHit();
if (m_hoverData == null)
{
m_hoverData = new PointerEventData(eventSystem);
}
m_hoverData.Reset();
m_hoverData.delta = Vector2.zero;
m_hoverData.position = lookPosition;
m_hoverData.scrollDelta = Vector2.zero;
// Only bother trying to raycast to UI on the XY plane
if (cursor.CursorPlane == VRCursorController.eCursorPlane.XYPlane)
{
Vector3 lookDirection = cursor.GetCursorRaycastDirection();
Ray testRay = new Ray(lookPosition, lookDirection);
if (Physics.Raycast(testRay, out testRayResult, RAYCAST_OFFSET + 1.0f, UI_COLLISION_LAYER_MASK))
{
RaycastResult raycastResult = new RaycastResult();
raycastResult.Clear();
raycastResult.gameObject = testRayResult.collider.gameObject;
raycastResult.depth = 0;
raycastResult.distance = testRayResult.distance;
m_hoverData.pointerCurrentRaycast = raycastResult;
}
}
if (m_hoverData.pointerCurrentRaycast.gameObject != null)
{
m_guiRaycastHit = true;
}
else
{
m_guiRaycastHit = false;
}
return(m_hoverData);
}
private void CastRay()
{
Vector2 currentPose = lastPose;
if (IsPointerActiveAndAvailable())
{
currentPose = GvrMathHelpers.NormalizedCartesianToSpherical(Pointer.PointerTransform.forward);
}
if (CurrentEventData == null)
{
CurrentEventData = new PointerEventData(ModuleController.eventSystem);
lastPose = currentPose;
}
// Store the previous raycast result.
RaycastResult previousRaycastResult = CurrentEventData.pointerCurrentRaycast;
// The initial cast must use the enter radius.
if (IsPointerActiveAndAvailable())
{
Pointer.ShouldUseExitRadiusForRaycast = false;
}
// Cast a ray into the scene
CurrentEventData.Reset();
// Set the position to the center of the camera.
// This is only necessary if using the built-in Unity raycasters.
RaycastResult raycastResult;
CurrentEventData.position = GvrMathHelpers.GetViewportCenter();
bool isPointerActiveAndAvailable = IsPointerActiveAndAvailable();
if (isPointerActiveAndAvailable)
{
RaycastAll();
raycastResult = ModuleController.FindFirstRaycast(ModuleController.RaycastResultCache);
}
else
{
raycastResult = new RaycastResult();
raycastResult.Clear();
}
// If we were already pointing at an object we must check that object against the exit radius
// to make sure we are no longer pointing at it to prevent flicker.
if (previousRaycastResult.gameObject != null &&
raycastResult.gameObject != previousRaycastResult.gameObject &&
isPointerActiveAndAvailable)
{
Pointer.ShouldUseExitRadiusForRaycast = true;
RaycastAll();
RaycastResult firstResult = ModuleController.FindFirstRaycast(ModuleController.RaycastResultCache);
if (firstResult.gameObject == previousRaycastResult.gameObject)
{
raycastResult = firstResult;
}
}
if (raycastResult.gameObject != null && raycastResult.worldPosition == Vector3.zero)
{
raycastResult.worldPosition =
GvrMathHelpers.GetIntersectionPosition(CurrentEventData.enterEventCamera, raycastResult);
}
CurrentEventData.pointerCurrentRaycast = raycastResult;
// Find the real screen position associated with the raycast
// Based on the results of the hit and the state of the pointerData.
if (raycastResult.gameObject != null)
{
CurrentEventData.position = raycastResult.screenPosition;
}
else if (IsPointerActiveAndAvailable() && CurrentEventData.enterEventCamera != null)
{
Vector3 pointerPos = Pointer.MaxPointerEndPoint;
CurrentEventData.position = CurrentEventData.enterEventCamera.WorldToScreenPoint(pointerPos);
}
ModuleController.RaycastResultCache.Clear();
CurrentEventData.delta = currentPose - lastPose;
lastPose = currentPose;
// Check to make sure the Raycaster being used is a GvrRaycaster.
if (raycastResult.module != null &&
!(raycastResult.module is GvrPointerGraphicRaycaster) &&
!(raycastResult.module is GvrPointerPhysicsRaycaster))
{
Debug.LogWarning("Using Raycaster (Raycaster: " + raycastResult.module.GetType() +
", Object: " + raycastResult.module.name + "). It is recommended to use " +
"GvrPointerPhysicsRaycaster or GvrPointerGrahpicRaycaster with GvrPointerInputModule.");
}
}
private void CastRayFromGaze()
{
Vector2 headPose =
NormalizedCartesianToSpherical(NxrViewer.Instance.HeadPose.Orientation * Vector3.forward);
if (pointerData == null)
{
pointerData = new PointerEventData(eventSystem);
lastHeadPose = headPose;
}
Vector2 diff = headPose - lastHeadPose;
if (screenCenterVec.x == 0)
{
screenCenterVec = new Vector2(0.5f * Screen.width, 0.5f * Screen.height);
}
// Cast a ray into the scene
pointerData.Reset();
//
var raycastResult = new RaycastResult();
raycastResult.Clear();
Transform mTrans = NxrViewer.Instance.GetHead().GetTransform();
raycastResult.worldPosition = mTrans.position;
raycastResult.worldNormal = mTrans.forward;
pointerData.pointerCurrentRaycast = raycastResult;
//
pointerData.position = new Vector2(0.5f * Screen.width, 0.5f * Screen.height);
eventSystem.RaycastAll(pointerData, m_RaycastResultCache);
foreach (var mRaycastResult in m_RaycastResultCache)
{
if (mRaycastResult.gameObject.layer == 8)
{
pointerData.pointerCurrentRaycast = mRaycastResult;
isSpecial = true;
break;
}
}
if (!isSpecial)
{
pointerData.pointerCurrentRaycast = FindFirstRaycast(m_RaycastResultCache);
foreach (RaycastResult mRaycastResult in m_RaycastResultCache)
{
bool IsUICanvasObject = mRaycastResult.gameObject != null &&
mRaycastResult.gameObject.GetComponent <NxrUICanvas>() != null;
if (!IsUICanvasObject)
{
pointerData.pointerCurrentRaycast = mRaycastResult;
break;
}
}
}
isSpecial = false;
m_RaycastResultCache.Clear();
pointerData.delta = diff;
lastHeadPose = headPose;
if (pointerData.pointerCurrentRaycast.gameObject == null && eventSystem.currentSelectedGameObject != null)
{
Debug.LogError("Clear Seleted GameObject-Gaze=>" + eventSystem.currentSelectedGameObject.name);
eventSystem.SetSelectedGameObject(null);
}
}
/// @endcond
private void CastRay()
{
if (pointer == null || pointer.PointerTransform == null)
{
return;
}
Vector2 currentPose = NormalizedCartesianToSpherical(pointer.PointerTransform.forward);
if (pointerData == null)
{
pointerData = new PointerEventData(eventSystem);
lastPose = currentPose;
}
// Store the previous raycast result.
RaycastResult previousRaycastResult = pointerData.pointerCurrentRaycast;
// The initial cast must use the enter radius.
if (pointer != null)
{
pointer.ShouldUseExitRadiusForRaycast = false;
}
// Cast a ray into the scene
pointerData.Reset();
// Set the position to the center of the camera.
// This is only necessary if using the built-in Unity raycasters.
RaycastResult raycastResult;
pointerData.position = GetViewportCenter();
bool isPointerActiveAndAvailable = IsPointerActiveAndAvailable();
if (isPointerActiveAndAvailable)
{
eventSystem.RaycastAll(pointerData, m_RaycastResultCache);
raycastResult = FindFirstRaycast(m_RaycastResultCache);
}
else
{
raycastResult = new RaycastResult();
raycastResult.Clear();
}
// If we were already pointing at an object we must check that object against the exit radius
// to make sure we are no longer pointing at it to prevent flicker.
if (previousRaycastResult.gameObject != null &&
raycastResult.gameObject != previousRaycastResult.gameObject &&
isPointerActiveAndAvailable)
{
if (pointer != null)
{
pointer.ShouldUseExitRadiusForRaycast = true;
}
m_RaycastResultCache.Clear();
eventSystem.RaycastAll(pointerData, m_RaycastResultCache);
RaycastResult firstResult = FindFirstRaycast(m_RaycastResultCache);
if (firstResult.gameObject == previousRaycastResult.gameObject)
{
raycastResult = firstResult;
}
}
if (raycastResult.gameObject != null && raycastResult.worldPosition == Vector3.zero)
{
raycastResult.worldPosition = GetIntersectionPosition(pointerData.enterEventCamera, raycastResult);
}
pointerData.pointerCurrentRaycast = raycastResult;
// Find the real screen position associated with the raycast
// Based on the results of the hit and the state of the pointerData.
if (raycastResult.gameObject != null)
{
pointerData.position = raycastResult.screenPosition;
}
else
{
Transform pointerTransform = pointer.PointerTransform;
float maxPointerDistance = pointer.MaxPointerDistance;
Vector3 pointerPos = pointerTransform.position + (pointerTransform.forward * maxPointerDistance);
if (pointerData.pressEventCamera != null)
{
pointerData.position = pointerData.pressEventCamera.WorldToScreenPoint(pointerPos);
}
else if (Camera.main != null)
{
pointerData.position = Camera.main.WorldToScreenPoint(pointerPos);
}
}
m_RaycastResultCache.Clear();
pointerData.delta = currentPose - lastPose;
lastPose = currentPose;
// Check to make sure the Raycaster being used is a GvrRaycaster.
// if (raycastResult.module != null
// // && !(raycastResult.module is GvrPointerGraphicRaycaster)
// && !(raycastResult.module is GvrPointerPhysicsRaycaster)) {
// Debug.LogWarning("Using Raycaster (Raycaster: " + raycastResult.module.GetType() +
// ", Object: " + raycastResult.module.name + "). It is recommended to use " +
// "GvrPointerPhysicsRaycaster or GvrPointerGrahpicRaycaster with GvrPointerInputModule.");
// }
}
