Platform material & filter bundle

src/filters.rs

@@ -0,0 +1,20 @@
+use bevy::prelude::*;
+use bevy_rapier2d::prelude::*;
+
+#[derive(Component, Default)]
+pub struct FilterColor(pub Color);
+
+#[derive(Component)]
+pub enum PassThroughFilter {
+	Absorbing,
+}
+
+#[derive(Bundle)]
+pub struct AbsorbingFilter {
+	pub color: FilterColor,
+	#[bundle]
+	pub mesh: ColorMesh2dBundle,
+	pub collider: Collider,
+	pub sensor: Sensor,
+	pub filter_type: PassThroughFilter,
+}

src/game.rs

@@ -1,6 +1,8 @@
 #![allow(clippy::precedence)]
 #![allow(clippy::too_many_arguments)]
 
+pub use crate::filters::*;
+
 use crate::AppState;
 
 use bevy::{
@@ -322,14 +324,16 @@ fn move_camera(
 				.iter()
 				.find(|(character_id, _transform)| *character_id == selected_character_id)
 			{
-				let (camera, mut camera_transform) =
+				let (camera, mut camera_transform) = camera_query.single_mut();
-					camera_query.single_mut();
 
 				let size: Vec2 = camera.logical_viewport_size().unwrap();
 				let half_height: f32 = size.y * 0.5;
-				camera_transform.translation = camera_transform.translation.lerp(transform.translation, time.delta_seconds() * FOLLOW_SPEED);
+				camera_transform.translation = camera_transform
+					.translation
+					.lerp(transform.translation, time.delta_seconds() * FOLLOW_SPEED);
 				// prevent camera from going too low
-				camera_transform.translation.y = camera_transform.translation.y.max(half_height-MARGIN);
+				camera_transform.translation.y =
+					camera_transform.translation.y.max(half_height - MARGIN);
 				camera_transform.translation.z = 999.0;
 			}
 		}

src/levels.rs

@@ -39,6 +39,7 @@ pub fn despawn_level(mut commands: Commands, level_query: Query<Entity, With<Lev
 pub fn post_setup_level(
 	mut commands: Commands,
 	character_meshes: Res<CharacterMeshes>,
+	mut meshes: ResMut<Assets<Mesh>>,
 	mut materials: ResMut<Assets<ColorMaterial>>,
 	current_level: Res<CurrentLevel>,
 	mut level_query: Query<(&mut SelectedCharacterId, &mut CharacterIdList)>,
@@ -54,6 +55,7 @@ pub fn post_setup_level(
 				match level_id.0 {
 					0 => level0::setup(
 						&mut commands,
+						&mut meshes,
 						&character_meshes,
 						&mut materials,
 						&mut selected_character_id,
@@ -62,6 +64,7 @@ pub fn post_setup_level(
 					),
 					1 => level1::setup(
 						&mut commands,
+						&mut meshes,
 						&character_meshes,
 						&mut materials,
 						&mut selected_character_id,

src/levels/level0.rs

@@ -1,10 +1,11 @@
 use crate::game::*;
 
-use bevy::prelude::*;
+use bevy::prelude::{shape::Quad, *};
 use bevy_rapier2d::prelude::*;
 
 pub fn setup(
 	commands: &mut Commands,
+	meshes: &mut ResMut<Assets<Mesh>>,
 	character_meshes: &Res<CharacterMeshes>,
 	materials: &mut ResMut<Assets<ColorMaterial>>,
 	selected_character_id: &mut Mut<SelectedCharacterId>,
@@ -12,8 +13,18 @@ pub fn setup(
 	audio: &Res<crossbeam_channel::Sender<AudioMsg>>,
 ) {
 	commands
-		.spawn_bundle(TransformBundle::from(Transform::from_xyz(0.0, -256.0, 0.0)))
+		.spawn_bundle(ColorMesh2dBundle {
-		.insert(Collider::cuboid(400., 10.))
+			mesh: meshes
+				.add(Mesh::from(Quad {
+					size: Vec2 { x: 800.0, y: 16.0 },
+					flip: false,
+				}))
+				.into(),
+			material: materials.add(ColorMaterial::from(Color::GRAY)),
+			transform: Transform::from_xyz(0.0, -256.0, 0.0),
+			..default()
+		})
+		.insert(Collider::cuboid(400., 8.))
 		.insert(Level);
 
 	spawn_character(

src/levels/level1.rs

@@ -1,10 +1,11 @@
 use crate::game::*;
 
-use bevy::prelude::*;
+use bevy::prelude::{shape::Quad, *};
 use bevy_rapier2d::prelude::*;
 
 pub fn setup(
 	commands: &mut Commands,
+	meshes: &mut ResMut<Assets<Mesh>>,
 	character_meshes: &Res<CharacterMeshes>,
 	materials: &mut ResMut<Assets<ColorMaterial>>,
 	selected_character_id: &mut Mut<SelectedCharacterId>,
@@ -12,14 +13,32 @@ pub fn setup(
 	audio: &Res<crossbeam_channel::Sender<AudioMsg>>,
 ) {
 	commands
-		.spawn_bundle(TransformBundle::from(Transform::from_xyz(0.0, -256.0, 0.0)))
+		.spawn_bundle(ColorMesh2dBundle {
-		.insert(Collider::cuboid(400., 10.))
+			mesh: meshes
+				.add(Mesh::from(Quad {
+					size: Vec2 { x: 800.0, y: 16.0 },
+					flip: false,
+				}))
+				.into(),
+			material: materials.add(ColorMaterial::from(Color::GRAY)),
+			transform: Transform::from_xyz(0.0, -256.0, 0.0),
+			..default()
+		})
+		.insert(Collider::cuboid(400., 8.))
 		.insert(Level);
 	commands
-		.spawn_bundle(TransformBundle::from(Transform::from_xyz(
+		.spawn_bundle(ColorMesh2dBundle {
-			256.0, -128.0, 0.0,
+			mesh: meshes
-		)))
+				.add(Mesh::from(Quad {
-		.insert(Collider::cuboid(200., 10.))
+					size: Vec2 { x: 400.0, y: 16.0 },
+					flip: false,
+				}))
+				.into(),
+			material: materials.add(ColorMaterial::from(Color::GRAY)),
+			transform: Transform::from_xyz(256.0, -128.0, 0.0),
+			..default()
+		})
+		.insert(Collider::cuboid(200., 8.))
 		.insert(Level);
 
 	spawn_character(
@@ -52,4 +71,24 @@ pub fn setup(
 		Transform::from_xyz(0., -128., 0.),
 		Color::GREEN,
 	);
+
+	commands
+		.spawn_bundle(AbsorbingFilter {
+			color: FilterColor(Color::RED),
+			mesh: ColorMesh2dBundle {
+				mesh: meshes
+					.add(Mesh::from(Quad {
+						size: Vec2 { x: 128.0, y: 16.0 },
+						flip: false,
+					}))
+					.into(),
+				material: materials.add(Color::rgba(1., 0., 0., 0.5).into()),
+				transform: Transform::from_xyz(0., 0., 2.),
+				..Default::default()
+			},
+			collider: Collider::cuboid(64., 8.),
+			sensor: Sensor,
+			filter_type: PassThroughFilter::Absorbing,
+		})
+		.insert(Level);
 }

src/main.rs

@@ -1,11 +1,12 @@
 #[cfg(not(target_arch = "wasm32"))]
 mod audio;
+mod filters;
 mod game;
 mod levels;
 mod menu;
 mod particle_effect;
 
-use bevy::{core_pipeline::clear_color::ClearColorConfig, prelude::*};
+use bevy::prelude::*;
 use bevy_rapier2d::prelude::*;
 
 #[derive(Clone, Copy, Debug, Eq, Hash, PartialEq)]
@@ -23,15 +24,18 @@ fn main() {
 	std::thread::spawn(move || audio::setup(audio_event_receiver));
 
 	App::new()
+		.insert_resource(Msaa { samples: 4 })
 		.insert_resource(audio_event_sender)
 		.add_state(AppState::Menu)
+		.insert_resource(ClearColor(Color::BLACK))
 		.add_plugins(DefaultPlugins)
 		.add_plugin(RapierPhysicsPlugin::<NoUserData>::pixels_per_meter(64.0))
-		.add_plugin(RapierDebugRenderPlugin::default())
+		//.add_plugin(RapierDebugRenderPlugin::default())
 		.add_plugin(menu::MenuPlugin)
 		.add_plugin(game::GamePlugin)
 		.add_plugin(particle_effect::ParticleEffectPlugin)
-		.add_plugin(bevy_inspector_egui::WorldInspectorPlugin::new())
+		//.add_plugin(bevy_inspector_egui::WorldInspectorPlugin::new())
+		.add_system(bevy::window::close_on_esc)
 		.add_startup_system(setup)
 		.run();
 }
@@ -43,12 +47,7 @@ fn setup(mut commands: Commands, asset_server: Res<AssetServer>) {
 	let font: Handle<Font> = asset_server.load("UacariLegacy-Thin.ttf");
 	commands.insert_resource(font);
 
-	commands.spawn_bundle(Camera2dBundle {
+	commands.spawn_bundle(Camera2dBundle::default());
-		camera_2d: Camera2d {
-			clear_color: ClearColorConfig::Custom(Color::BLACK),
-		},
-		..Default::default()
-	});
 	commands.insert_resource(AmbientLight {
 		color: Color::WHITE,
 		brightness: 0.6,