A convenience handle around an Entity::Id. * * If an entity is destroyed, any copies will be invalidated. Use valid() to * check for validity befor

Wraps the (stringised versions of) the lhs, operator and rhs of an expression - as well as the result of evaluating it. This is used to build an Asser

* Allow entities to be tagged with strings. * * entity.assign<TagsComponent>("tag1", "tag2"); * * ComponentPtr<TagsComponent> tags; * for (Entity

* Base component class, only used for insertion into collections. * * Family is used for registration. */

Used internally by the EventManager.

* Provides a resizable, semi-contiguous pool of memory for constructing * objects in. Pointers into the pool will be invalided only when the pool is

* Base System class. Generally should not be directly used, instead see System<Derived>. */

Updates a body's position and rotation.

Bounce bodies off the edge of the screen.

Emitted when two entities collide.

Determines if two Collideable bodies have collided. If they have it emits a CollisionEvent. This is used by ExplosionSystem to create explosion partic