private bool IsHovering(VRUIPointer pointer)
{
foreach (var hoveredObject in pointer.pointerEventData.hovered)
{
if (pointer.pointerEventData.pointerEnter && hoveredObject && CheckTransformTree(hoveredObject.transform, pointer.pointerEventData.pointerEnter.transform))
{
return(true);
}
}
return(false);
}
private void Hover(VRUIPointer pointer, List <RaycastResult> results)
{
if (pointer.pointerEventData.pointerEnter)
{
if (NoValidCollision(pointer, results))
{
ExecuteEvents.ExecuteHierarchy(pointer.pointerEventData.pointerEnter, pointer.pointerEventData, ExecuteEvents.pointerExitHandler);
pointer.pointerEventData.hovered.Remove(pointer.pointerEventData.pointerEnter);
pointer.pointerEventData.pointerEnter = null;
}
}
else
{
foreach (var result in results)
{
var target = ExecuteEvents.ExecuteHierarchy(result.gameObject, pointer.pointerEventData, ExecuteEvents.pointerEnterHandler);
if (target != null)
{
var selectable = target.GetComponent <Selectable>();
if (selectable)
{
var noNavigation = new Navigation();
noNavigation.mode = Navigation.Mode.None;
selectable.navigation = noNavigation;
}
pointer.OnUIPointerElementEnter(pointer.SetUIPointerEvent(target, pointer.hoveringElement));
pointer.hoveringElement = target;
pointer.pointerEventData.pointerCurrentRaycast = result;
pointer.pointerEventData.pointerEnter = target;
pointer.pointerEventData.hovered.Add(pointer.pointerEventData.pointerEnter);
break;
}
else
{
if (result.gameObject != pointer.hoveringElement)
{
pointer.OnUIPointerElementEnter(pointer.SetUIPointerEvent(result.gameObject, pointer.hoveringElement));
}
pointer.hoveringElement = result.gameObject;
}
}
if (pointer.hoveringElement && results.Count == 0)
{
pointer.OnUIPointerElementExit(pointer.SetUIPointerEvent(null, pointer.hoveringElement));
pointer.hoveringElement = null;
}
}
}
private List <RaycastResult> CheckRaycasts(VRUIPointer pointer)
{
var raycastResult = new RaycastResult();
raycastResult.worldPosition = pointer.transform.position;
raycastResult.worldNormal = pointer.transform.forward;
pointer.pointerEventData.pointerCurrentRaycast = raycastResult;
List <RaycastResult> raycasts = new List <RaycastResult>();
eventSystem.RaycastAll(pointer.pointerEventData, raycasts);
return(raycasts);
}
private void Drag(VRUIPointer pointer, List <RaycastResult> results)
{
pointer.pointerEventData.dragging = pointer.ButtonClick() && pointer.pointerEventData.delta != Vector2.zero;
if (pointer.pointerEventData.pointerDrag)
{
if (pointer.pointerEventData.dragging)
{
if (IsHovering(pointer))
{
ExecuteEvents.ExecuteHierarchy(pointer.pointerEventData.pointerDrag, pointer.pointerEventData, ExecuteEvents.dragHandler);
}
}
else
{
ExecuteEvents.ExecuteHierarchy(pointer.pointerEventData.pointerDrag, pointer.pointerEventData, ExecuteEvents.dragHandler);
ExecuteEvents.ExecuteHierarchy(pointer.pointerEventData.pointerDrag, pointer.pointerEventData, ExecuteEvents.endDragHandler);
foreach (RaycastResult raycast in results)
{
ExecuteEvents.ExecuteHierarchy(raycast.gameObject, pointer.pointerEventData, ExecuteEvents.dropHandler);
}
pointer.pointerEventData.pointerDrag = null;
}
}
else if (pointer.pointerEventData.dragging)
{
foreach (var result in results)
{
ExecuteEvents.ExecuteHierarchy(result.gameObject, pointer.pointerEventData, ExecuteEvents.initializePotentialDrag);
ExecuteEvents.ExecuteHierarchy(result.gameObject, pointer.pointerEventData, ExecuteEvents.beginDragHandler);
var target = ExecuteEvents.ExecuteHierarchy(result.gameObject, pointer.pointerEventData, ExecuteEvents.dragHandler);
if (target != null)
{
pointer.pointerEventData.pointerDrag = target;
break;
}
}
}
}
private void Click(VRUIPointer pointer, List <RaycastResult> results)
{
pointer.pointerEventData.eligibleForClick = pointer.ButtonClick();
if (pointer.pointerEventData.pointerPress)
{
if (pointer.pointerEventData.eligibleForClick)
{
if (!IsHovering(pointer))
{
ExecuteEvents.ExecuteHierarchy(pointer.pointerEventData.pointerPress, pointer.pointerEventData, ExecuteEvents.pointerUpHandler);
pointer.pointerEventData.pointerPress = null;
}
}
else
{
ExecuteEvents.ExecuteHierarchy(pointer.pointerEventData.pointerPress, pointer.pointerEventData, ExecuteEvents.pointerClickHandler);
ExecuteEvents.ExecuteHierarchy(pointer.pointerEventData.pointerPress, pointer.pointerEventData, ExecuteEvents.pointerUpHandler);
pointer.pointerEventData.pointerPress = null;
}
}
else if (pointer.pointerEventData.eligibleForClick)
{
foreach (var result in results)
{
var target = ExecuteEvents.ExecuteHierarchy(result.gameObject, pointer.pointerEventData, ExecuteEvents.pointerDownHandler);
if (target != null)
{
pointer.pointerEventData.pressPosition = pointer.pointerEventData.position;
pointer.pointerEventData.pointerPressRaycast = result;
pointer.pointerEventData.pointerPress = target;
break;
}
}
}
}
private bool NoValidCollision(VRUIPointer pointer, List <RaycastResult> results)
{
return(results.Count == 0 || !CheckTransformTree(results[0].gameObject.transform, pointer.pointerEventData.pointerEnter.transform));
}