Struct ComponentStorage 

pub struct ComponentStorage<T>
where
    T: Component,
{ /* private fields */ }

Storage for a specific component type

Implementations

impl<T> ComponentStorage<T>

where T: Component,

pub fn new() -> ComponentStorage<T>

Create new empty component storage

pub fn insert(&mut self, entity: Entity, component: T)

Add a component to an entity

pub fn remove(&mut self, entity: Entity) -> Option<T>

Remove a component from an entity

pub fn get(&self, entity: Entity) -> Option<&T>

Get a component for an entity

pub fn get_mut(&mut self, entity: Entity) -> Option<&mut T>

Get a mutable component for an entity

pub fn has(&self, entity: Entity) -> bool

Check if entity has this component

pub fn count(&self) -> usize

Get number of active components

pub fn iter(&self) -> impl Iterator<Item = (Entity, &T)>

Iterate over all entities with this component

pub fn iter_mut(&mut self) -> impl Iterator<Item = (Entity, &mut T)>

Iterate mutably over all entities with this component