mod.rs

use bevy::{
	ecs::query::QueryItem,
	prelude::*,
	render::extract_component::{ExtractComponent, ExtractComponentPlugin},
};

#[derive(Component, Default, Debug, Clone, Copy)]
pub struct CameraUIKayak {
	pub custom_viewport: Option<Vec2>,
}

impl ExtractComponent for CameraUIKayak {
	type QueryData = &'static Self;
	type QueryFilter = With<Camera>;
	type Out = CameraUIKayak;

	fn extract_component(item: QueryItem<Self::QueryData>) -> Option<Self::Out> {
		Some(*item)
	}
}

pub struct KayakUICameraPlugin;
impl Plugin for KayakUICameraPlugin {
	fn build(&self, app: &mut bevy::prelude::App) {
		app.add_plugins(ExtractComponentPlugin::<CameraUIKayak>::default());
	}
}