public void UpdateDrag()
{
_bookModel.ClickPoint = _book.GetClickPos();
_backPage.SetParent(_clippingMask, true);
_frontPage.SetParent(_book.transform, true);
_bookModel.CurrentPageCorner = _book.CulculateDraggingCorner(_bookModel.ClickPoint);
Vector3 bottomCrossPoint = UpdateClippingMask();
UpdateBackSide(bottomCrossPoint);
_frontPage.SetParent(_clippingMask, true);
_frontPage.ResetShadowData();
_frontPage.transform.SetAsFirstSibling();
_backPage.SetShadowFollow(_clippingMask);
}
/// <summary>
/// 拖拽中
/// </summary>
public void DraggingPage()
{
_model.ClickPoint = _book.GetClickPos();
_backPage.SetParent(_clippingMask, true);
_frontPage.SetParent(_book.transform, true);
_model.CurrentPageCorner = _book.CalculateDraggingCorner(_model.ClickPoint);
Vector3 bottomCrossPoint = UpdateClippingMask();
UpdateBackSide(bottomCrossPoint);
//在其他东西都准备好后将拖拽页前面设置到_clippingMask下并将其设为第一项
_frontPage.SetParent(_clippingMask, true);
_frontPage.ResetShadowData();
_frontPage.transform.SetAsFirstSibling();
//使阴影跟随clippingMask
_backPage.SetShadowFollow(_clippingMask);
}