Enum HierarchyEvent

pub enum HierarchyEvent {
    ChildAdded {
        child: Entity,
        parent: Entity,
    },
    ChildRemoved {
        child: Entity,
        parent: Entity,
    },
    ChildMoved {
        child: Entity,
        previous_parent: Entity,
        new_parent: Entity,
    },
}

An Event that is fired whenever there is a change in the world’s hierarchy.

Variants

ChildAdded

Fired whenever an Entity is added as a child to a parent.

Fields

child: Entity

The child that was added

parent: Entity

The parent the child was added to

ChildRemoved

Fired whenever a child Entity is removed from its parent.

Fields

child: Entity

The child that was removed

parent: Entity

The parent the child was removed from

ChildMoved

Fired whenever a child Entity is moved to a new parent.

Fields

child: Entity

The child that was moved

previous_parent: Entity

The parent the child was removed from

new_parent: Entity

The parent the child was added to

Trait Implementations

impl Clone for HierarchyEvent

fn clone(&self) -> HierarchyEvent

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Component for HierarchyEvent

where Self: Send + Sync + 'static,

const STORAGE_TYPE: StorageType = bevy_ecs::component::StorageType::SparseSet

A constant indicating the storage type used for this component.

fn register_component_hooks(_hooks: &mut ComponentHooks)

Called when registering this component, allowing mutable access to its ComponentHooks.

impl Debug for HierarchyEvent

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

Formats the value using the given formatter.

impl PartialEq for HierarchyEvent

fn eq(&self, other: &HierarchyEvent) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl Eq for HierarchyEvent

impl Event for HierarchyEvent

where Self: Send + Sync + 'static,

impl StructuralPartialEq for HierarchyEvent