Files
black-hole/src/app.rs
2025-10-14 10:18:09 -04:00

102 lines
2.6 KiB
Rust

use bevy::{
asset::RenderAssetUsages,
math::VectorSpace,
prelude::*,
render::{
render_resource::{Extent3d, TextureDimension, TextureFormat, TextureUsages},
view::RenderLayers,
},
window::PrimaryWindow,
};
use iyes_perf_ui::prelude::*;
use crate::{
components::rt::RTCamera,
render::pipeline::{TracerPipelinePlugin, TracerRenderTextures, TracerUniforms},
};
pub struct Blackhole;
impl Plugin for Blackhole {
fn build(&self, app: &mut App) {
app.register_type::<TracerRenderTextures>();
app.add_systems(Startup, setup);
app.add_plugins(TracerPipelinePlugin);
app.insert_resource(TracerUniforms {
sky_color: LinearRgba::rgb(0.1, 0.0, 0.01),
..default()
});
//Perf UI
app.add_plugins(bevy::diagnostic::FrameTimeDiagnosticsPlugin::default())
.add_plugins(bevy::diagnostic::EntityCountDiagnosticsPlugin)
.add_plugins(bevy::diagnostic::SystemInformationDiagnosticsPlugin)
.add_plugins(PerfUiPlugin);
}
}
fn setup(mut commands: Commands, mut images: ResMut<Assets<Image>>, window: Single<&Window, With<PrimaryWindow>>) {
commands.spawn((
PerfUiRoot::default(),
PerfUiEntryFPS::default(),
PerfUiEntryFPSWorst::default(),
PerfUiEntryFrameTime::default(),
PerfUiEntryFrameTimeWorst::default(),
));
let size = window.physical_size();
let extent = Extent3d {
width: size.x,
height: size.y,
..Default::default()
};
const PIXEL_FORMAT: TextureFormat = TextureFormat::Rgba32Float;
const PIXEL_SIZE: usize = 16;
let mut image = Image::new_fill(
extent,
TextureDimension::D2,
&[255; PIXEL_SIZE],
PIXEL_FORMAT,
RenderAssetUsages::RENDER_WORLD,
);
image.texture_descriptor.usage = TextureUsages::TEXTURE_BINDING
| TextureUsages::STORAGE_BINDING
| TextureUsages::COPY_DST
| TextureUsages::RENDER_ATTACHMENT;
let img0 = images.add(image.clone());
let img1 = images.add(image);
commands.spawn((
Name::new("Render Sprite"),
Sprite {
image: img0.clone(),
custom_size: Some(size.as_vec2()),
..default()
},
Transform::from_translation(Vec3::ZERO),
));
commands.spawn((Camera2d, RenderLayers::layer(0)));
commands
.spawn((
Camera3d::default(),
// Camera { order: -1, ..default() },
// Projection::Perspective(PerspectiveProjection {
// aspect_ratio: size.x as f32 / size.y as f32,
// ..default()
// }),
RTCamera,
RenderLayers::layer(1),
Transform::from_xyz(0.0, 5.0, 20.0).looking_at(Vec3::ZERO, Vec3::Y),
Name::new("RT Camera"),
))
.insert(Camera { order: -1, ..default() });
commands.insert_resource(TracerRenderTextures(img0, img1));
}