Module prelude 

The picking backend prelude.

This includes the most common types in this module, re-exported for your convenience.

Structs

HitData

Holds data from a successful pointer hit test. See HitData::depth for important details.

Pickable

An optional component that marks an entity as usable by a backend, and overrides default picking behavior for an entity.

PointerHits

A message produced by a picking backend after it has run its hit tests, describing the entities under a pointer.

PointerLocation

Component that tracks a pointer’s current Location.

RayMap

A map from RayId to Ray3d.

Enums

PickingSystems

Groups the stages of the picking process under shared labels.

PointerId

Identifies a unique pointer entity. Mouse and Touch pointers are automatically spawned.