32 lines
975 B
Rust
32 lines
975 B
Rust
use bevy_ecs::prelude::Entity;
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/// An [`Event`] that is fired whenever there is a change in the world's hierarchy.
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///
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/// [`Event`]: bevy_ecs::event::Event
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#[derive(Debug, Clone)]
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pub enum HierarchyEvent {
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/// Fired whenever an [`Entity`] is added as a child to a parent.
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ChildAdded {
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/// The child that was added
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child: Entity,
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/// The parent the child was added to
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parent: Entity,
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},
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/// Fired whenever a child [`Entity`] is removed from its parent.
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ChildRemoved {
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/// The child that was removed
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child: Entity,
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/// The parent the child was removed from
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parent: Entity,
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},
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/// Fired whenever a child [`Entity`] is moved to a new parent.
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ChildMoved {
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/// The child that was moved
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child: Entity,
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/// The parent the child was removed from
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previous_parent: Entity,
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/// The parent the child was added to
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new_parent: Entity,
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},
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}
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