Method Less

path_intersection.go:1617–1619

(i, j int)

}

func (a eventSliceV) Less(i, j int) bool {
	return a[i].CompareV(a[j]) < 0
}

func (a eventSliceV) Swap(i, j int) {
	a[i].node.SweepPoint, a[j].node.SweepPoint = a[j], a[i]