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mod image;
mod material;
pub use material::SkyMaterial;
use bevy::prelude::*;
fn create_pipeline(
mut commands: Commands,
camera_query: Query<(Entity, &SkyboxCamera)>,
skybox_query: Query<(Entity, &SkyboxBox)>,
mut active_cameras: ResMut<bevy::render::camera::ActiveCameras>,
plugin: Res<crate::SkyboxPlugin>,
) {
if let Some((cam, _)) = camera_query.iter().next() {
let child_entity = commands
.spawn()
.insert_bundle(PerspectiveCameraBundle::default())
.id();
commands.entity(cam).push_children(&[child_entity]);
active_cameras.add(&plugin.camera_name);
for s in skybox_query.iter() {
active_cameras
.get_mut(&plugin.camera_name)
.expect("Camera defined")
.entity = Some(s.0);
}
}
}
fn move_skybox(
mut skybox_query: Query<(&mut Transform, &SkyboxBox), Without<SkyboxCamera>>,
camera_query: Query<(&Transform, &SkyboxCamera)>,
) {
if let Some((cam_trans, _)) = camera_query.iter().next() {
for (mut pbr_trans, _) in skybox_query.iter_mut() {
pbr_trans.translation = cam_trans.translation;
pbr_trans.rotation = Quat::IDENTITY;
}
}
}
pub struct SkyboxCamera;
pub struct SkyboxBox;
#[derive(Clone)]
pub struct SkyboxPlugin {
pub image: Option<String>,
pub camera_name: String,
}
impl SkyboxPlugin {
pub fn from_image_file(image: &str) -> SkyboxPlugin {
Self {
image: Some(image.to_owned()),
camera_name: "Skybox".to_owned(),
}
}
pub fn empty() -> SkyboxPlugin {
Self {
image: None,
camera_name: "Skybox".to_owned(),
}
}
}
impl Plugin for SkyboxPlugin {
fn build(&self, app: &mut AppBuilder) {
app.insert_resource(self.clone());
app.add_asset::<material::SkyMaterial>();
app.add_startup_system(image::create_skybox.system());
app.add_startup_system(create_pipeline.system());
app.add_system(move_skybox.system());
}
}