📅  最后修改于: 2022-03-11 15:02:44.994000             🧑  作者: Mango
// Where left, right, top and bottom are essentially edges
if (a.left >= b.right || a.top >= b.bottom ||
a.right <= b.left || a.bottom <= b.top)
{
// no overlap
}
else
{
// overlap
}