Struct Archetype 

pub struct Archetype {
    pub id: ArchetypeId,
    pub component_types: Vec<TypeId>,
    pub entities: Vec<Entity>,
    /* private fields */
}

A table of entities that share exactly the same component type set.

Fields

id: ArchetypeId

Unique id for this archetype.

component_types: Vec<TypeId>

Sorted, deduplicated component TypeIds.

entities: Vec<Entity>

Entity handle at each row.

Implementations

impl Archetype

pub fn contains(&self, tid: TypeId) -> bool

Returns true if this archetype has a column for tid.

pub fn len(&self) -> usize

Number of entities in this archetype.

pub fn is_empty(&self) -> bool

true if empty.