// Check if there any entities in rt that intersect the Rect r, ignoring the spatial entity s.
func hasIntersectionsOtherThanSelf(rt *rtreego.Rtree, r *rtreego.Rect, self rtreego.Spatial) bool {
results := rt.SearchIntersect(r)
switch {
case len(results) == 0:
return false // intersects nothing
case len(results) == 1:
if results[0] == self {
return false // intersects only itself
} else {
return true // intersects another entity
}
default:
return true // intersects more than one entity
}
}
// TODO eventually update this to check for actual intersections of cells, not just the bounding box
func hasIntersections(rt *rtreego.Rtree, r *rtreego.Rect) bool {
results := rt.SearchIntersect(r)
return len(results) > 0
}