bevy_render/view/visibility/
mod.rs

1use core::any::TypeId;
2
3use bevy_ecs::{component::Component, entity::Entity, prelude::ReflectComponent};
4use bevy_reflect::{prelude::ReflectDefault, Reflect};
5use bevy_utils::TypeIdMap;
6
7use crate::sync_world::MainEntity;
8
9mod range;
10use bevy_camera::visibility::*;
11pub use range::*;
12
13/// Collection of entities visible from the current view.
14///
15/// This component is extracted from [`VisibleEntities`].
16#[derive(Clone, Component, Default, Debug, Reflect)]
17#[reflect(Component, Default, Debug, Clone)]
18pub struct RenderVisibleEntities {
19    #[reflect(ignore, clone)]
20    pub entities: TypeIdMap<Vec<(Entity, MainEntity)>>,
21}
22
23impl RenderVisibleEntities {
24    pub fn get<QF>(&self) -> &[(Entity, MainEntity)]
25    where
26        QF: 'static,
27    {
28        match self.entities.get(&TypeId::of::<QF>()) {
29            Some(entities) => &entities[..],
30            None => &[],
31        }
32    }
33
34    pub fn iter<QF>(&self) -> impl DoubleEndedIterator<Item = &(Entity, MainEntity)>
35    where
36        QF: 'static,
37    {
38        self.get::<QF>().iter()
39    }
40
41    pub fn len<QF>(&self) -> usize
42    where
43        QF: 'static,
44    {
45        self.get::<QF>().len()
46    }
47
48    pub fn is_empty<QF>(&self) -> bool
49    where
50        QF: 'static,
51    {
52        self.get::<QF>().is_empty()
53    }
54}
bevy_render/view/visibility/mod.rs

bevy_render/view/visibility/
mod.rs
