public override void Update()
{
if (!Wnd.IsShow)
{
return;
}
if (TargetObject == null)
{
Wnd.ResetGuideStep();
Wnd.Close();
return;
}
CheckTargetObjPosChange();
UpdateGuideObjPos();
CheckTargetObjVisibility();
}
private void CheckTargetObjVisibility()
{
var visible = true;
if (TargetCanbeHit)
{
var current_camera = UIMainCtrl.MainCam;
if (current_camera == null)
{
visible = false;
}
var screen_pos = current_camera.WorldToScreenPoint(Bounds.center);
if (pointerData == null)
{
pointerData = new PointerEventData(EventSystem.current);
}
var hit_obj = UGUIMath.GetRaycastObj(screen_pos, pointerData);
if (hit_obj == Wnd.EventMask)
{
visible = false;
}
else if (hit_obj == null)
{
visible = false;
}
else
{
if (CopyObj != null)
{
if (!UGUIMath.ContainWidget(CopyObj, hit_obj))
{
visible = false;
}
}
else if (TargetObject != null)
{
if (!UGUIMath.ContainWidget(TargetObject, hit_obj))
{
visible = false;
}
}
}
}
else
{
visible = TargetObject.activeInHierarchy;
}
if (!visible)// 因为UGUI的Layout有可能并不是在当前帧完成排版，因此对于强制指引，不可见时需要等待一会儿再重置
{
if (m_StartInvisible == false)
{
m_InvisibleTime = Time.time;
m_StartInvisible = true;
}
if (CopyObj == null || Time.time - m_InvisibleTime > m_CloseDelayTime)
{
Wnd.ResetGuideStep();
Wnd.Close();
}
}
}