Struct hecs_hierarchy::Parent

pub struct Parent<T> { /* private fields */ }

Component of a entity with descendents in hierarchy tree T. Children represent a circular linked list. Since Parent and child is generic over a marker type, several hierarchies can coexist.

Implementations

impl<T: 'static + Send + Sync> Parent<T>

pub fn num_children(&self) -> usize

Return the parent’s num children.

pub fn first_child<W: GenericWorld>(&self, world: &W) -> Result<Entity>

Query the parent’s first child.

pub fn view_first_child(&self, view: &View<'_, &Child<T>>) -> Result<Entity>

Query the parent’s first child.

pub fn last_child(&self) -> Entity

Return the parent’s last child.

Trait Implementations

impl<T> Debug for Parent<T>

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.