// 更新事件组碰撞数据 ( 鼠标与触屏共用 )
private static void UpdateListenerGroupHitData(PointerData pointerData, PointerStatusData statusData)
{
int nowHitsCount = statusData.NowHits.Length;
int groupCount = ListenerGroups.Count;
for (int i = 0; i < groupCount; i++)
{
if (ListenerGroups[i].Target != null)
{
for (int j = 0; j < nowHitsCount; j++)
{
if (ListenerGroups[i].Target == statusData.NowHits[j].collider.gameObject)
{
// 判断是否要派发 Cover 事件并更新碰撞数据
bool dispatchCover = false;
if (pointerData.InputType == PointerInputType.Mouse)
{
dispatchCover = ListenerGroups[i].MouseRaycastHit.point != statusData.NowHits[j].point;
pointerData.PointerID = -1;
ListenerGroups[i].MouseRaycastHit = statusData.NowHits[j];
}
else if (pointerData.InputType == PointerInputType.Touch)
{
dispatchCover = ListenerGroups[i].TouchRaycastHits[pointerData.PointerID].point != statusData.NowHits[j].point;
ListenerGroups[i].TouchRaycastHits[pointerData.PointerID] = statusData.NowHits[j];
}
// 派发 Cover 事件
if (dispatchCover)
{
pointerData.EventType = PointerEventType.Cover;
ListenerGroups[i].DispatchAll(pointerData, ListenerGroups[i].Target == statusData.NowFocus, false);
}
break;
}
}
// 派发 Drag 事件
int dragCount = ListenerGroups[i].DragStatus.Count;
for (int j = 0; j < dragCount; j++)
{
if (ListenerGroups[i].DragStatus[j].PrevX != pointerData.X || ListenerGroups[i].DragStatus[j].PrevY != pointerData.Y)
{
ListenerGroups[i].DragStatus[j].PrevX = pointerData.X;
ListenerGroups[i].DragStatus[j].PrevY = pointerData.Y;
pointerData.PointerID = ListenerGroups[i].DragStatus[j].PointerID;
pointerData.EventType = PointerEventType.Drag;
ListenerGroups[i].DispatchAll(pointerData, ListenerGroups[i].DragStatus[j].BeginDragHasFocus, false);
}
}
}
}
}
// 判断滑入滑出事件 ( 鼠标与触屏共用 )
private static void CheckEnterAndExit(PointerData pointerData, PointerStatusData statusData)
{
PointerListenerGroupForMesh group;
int nowHitsCount = statusData.NowHits.Length;
int prevHitsCount = statusData.PrevHits.Length;
// 判断滑入
bool enter = false;
for (int i = 0; i < nowHitsCount; i++)
{
enter = true;
for (int j = 0; j < prevHitsCount; j++)
{
if (statusData.NowHits[i].collider == statusData.PrevHits[j].collider)
{
enter = false;
break;
}
}
if (enter)
{
group = FindGroupByGameObject(statusData.NowHits[i].collider.gameObject);
if (group != null)
{
// 派发 Enter 事件
pointerData.EventType = PointerEventType.Enter;
group.DispatchAll(pointerData, group.Target == statusData.NowFocus, false);
}
}
}
// 判断滑出
bool exit = false;
for (int i = 0; i < prevHitsCount; i++)
{
exit = true;
for (int j = 0; j < nowHitsCount; j++)
{
if (statusData.PrevHits[i].collider == statusData.NowHits[j].collider)
{
exit = false;
break;
}
}
if (exit)
{
if (statusData.PrevHits[i].collider != null) // 上一帧数据可能被释放，需要 null 判断
{
group = FindGroupByGameObject(statusData.PrevHits[i].collider.gameObject);
if (group != null)
{
// 派发 Exit 事件
pointerData.EventType = PointerEventType.Exit;
group.DispatchAll(pointerData, group.Target == statusData.PrevFocus, false);
}
}
}
}
// 判断因焦点改变而产生的滑入和滑出事件
if (!enter && !exit && statusData.PrevFocus != statusData.NowFocus)
{
group = FindGroupByGameObject(statusData.NowFocus);
if (group != null)
{
// 派发 Enter 事件
pointerData.EventType = PointerEventType.Enter;
group.DispatchAll(pointerData, true, true);
}
group = FindGroupByGameObject(statusData.PrevFocus);
if (group != null)
{
// 派发 Exit 事件
pointerData.EventType = PointerEventType.Exit;
group.DispatchAll(pointerData, true, true);
}
}
// 缓存当前帧数据
statusData.PrevHits = statusData.NowHits;
statusData.PrevFocus = statusData.NowFocus;
}
