/*!
\brief 依据当前BOX对象组来创建一个指定轴的边界组
\param axis 当前坐标轴
\param group BOX对象组
\param boundaryList 存储边界结构的链表
*/
void _FindOpenCloseBoundaryList(AXIS axis, LIST<BOX*> &group,
LIST<OPENCLOSEBOUNDARY> &boundaryList)
{
OPENCLOSEBOUNDARY thisBoundary;
BOX* thisBox = NULL;
for(LIST<BOX*>::NOTE *thisNote = group.GetFirst();
thisNote; thisNote = thisNote->GetNext())
{
thisBoundary.pBox = thisBox = thisNote->Get();
thisBoundary.type = TYPE_OPEN;
thisBoundary.value = (axis == AXIS_X)?
(thisBox->GetAnchor().x - thisBox->GetWidth() / 2.0f):
(thisBox->GetAnchor().y - thisBox->GetHeight() / 2.0f);
boundaryList.Create(thisBoundary);
thisBoundary.type = TYPE_CLOSE;
thisBoundary.value = (axis == AXIS_X)?
(thisBox->GetAnchor().x + thisBox->GetWidth() / 2.0f):
(thisBox->GetAnchor().y + thisBox->GetHeight() / 2.0f);
boundaryList.Create(thisBoundary);
}
}
