/// Proximity information.
#[derive(Debug, PartialEq, Clone, Copy)]#[cfg_attr(feature ="serde",derive(Serialize, Deserialize))]pubenumProximity{/// The two objects are intersecting.
Intersecting =0,/// The two objects are non-intersecting but closer than a given distance.
WithinMargin,/// The two objects are non-intersecting and further than a given distance.
Disjoint,}