Golang Region.Intersects示例

示例#1

文件： view.go 项目： richardfontana/lime

func (vr *ViewRegions) Cull(viewport primitives.Region) {
	nr := []primitives.Region{}
	for _, r := range vr.Regions.Regions() {
		if viewport.Intersects(r) {
			nr = append(nr, viewport.Intersection(r))
		}
	}
	vr.Regions.Clear()
	vr.Regions.AddAll(nr)
}