README.md

@@ -1,17 +0,0 @@
-## Feuille de route
-* Créer deuxième planète
-* Gravité naïve
-	* Vitesse
-	* Poids
-* Faire un système solaire (trouver valeurs)
-* Quadtree
-* Réutiliser les mêmes Mesh et Material (augmente FPS en dézoom)
-* Générer un mesh avec noise
-* Générer plusieurs meshes
-* (?) Collision
-	* Détection
-		* Double boucle naïve
-		* Intégré au quadtree
-	* Fusion simple
-	* Fragmentation
-	* Cratère

src/gen.rs

@@ -17,7 +17,7 @@ pub fn planet() -> Mesh {
 				let a = std::f32::consts::TAU * i as f32 / perimeter as f32;
 				[r * a.cos(), r * a.sin(), 0.]
 			})
-			.chain([[0., 0., 0.]])
+			.chain([[0., 0., 0.]].into_iter())
 			.collect::<Vec<_>>(),
 	);
 	let mut triangles = Vec::new();

src/main.rs

@@ -1,11 +1,7 @@
 mod gen;
 mod quadtree;
 
-use bevy::{
+use bevy::{ecs::query::BatchingStrategy, prelude::*, sprite::MaterialMesh2dBundle};
-	ecs::query::BatchingStrategy,
-	prelude::*,
-	sprite::{MaterialMesh2dBundle, Mesh2dHandle},
-};
 
 #[global_allocator]
 static ALLOCATOR: cap::Cap<std::alloc::System> =
@@ -42,69 +38,46 @@ fn setup(
 		.spawn(Camera2dBundle::default())
 		.insert(bevy_pancam::PanCam::default());
 
-	let red = materials.add(ColorMaterial::from(Color::RED));
+	commands.spawn(Planet {
-	let circle_5: Mesh2dHandle = meshes.add(shape::Circle::new(5.).into()).into();
-
-	commands
-		.spawn(Planet {
-			pos: TransformBundle::from(Transform::from_translation(Vec3::new(0., 0., 0.))),
 		mass: Mass(1.988e18),
 		speed: Speed(Vec2::new(0.0, 0.0)),
-			visibility: InheritedVisibility::VISIBLE,
+		mesh: MaterialMesh2dBundle {
-		})
-		.with_children(|parent| {
-			parent.spawn(MaterialMesh2dBundle {
 			mesh: meshes.add(gen::planet()).into(),
 			material: materials.add(ColorMaterial::from(Color::YELLOW)),
+			transform: Transform::from_translation(Vec3::new(0., 0., 0.)),
 			..default()
+		},
 	});
-		});
+	commands.spawn(Planet {
-	commands
-		.spawn(Planet {
-			pos: TransformBundle::from(Transform::from_translation(Vec3::new(400., 0., 0.))),
 		mass: Mass(5.9736e14),
 		speed: Speed(Vec2::new(0.0, 500.0)),
-			visibility: InheritedVisibility::VISIBLE,
+		mesh: MaterialMesh2dBundle {
-		})
-		.with_children(|parent| {
-			parent.spawn(MaterialMesh2dBundle {
 			mesh: meshes.add(shape::Circle::new(10.).into()).into(),
 			material: materials.add(ColorMaterial::from(Color::BLUE)),
+			transform: Transform::from_translation(Vec3::new(400., 0., 0.)),
 			..default()
+		},
 	});
-		});
+	commands.spawn(Planet {
-	commands
-		.spawn(Planet {
-			pos: TransformBundle::from(Transform::from_translation(Vec3::new(-400., 0., 0.))),
 		mass: Mass(5.9736e14),
 		speed: Speed(Vec2::new(0.0, -500.0)),
-			visibility: InheritedVisibility::VISIBLE,
+		mesh: MaterialMesh2dBundle {
-		})
-		.with_children(|parent| {
-			parent.spawn(MaterialMesh2dBundle {
 			mesh: meshes.add(shape::Circle::new(10.).into()).into(),
 			material: materials.add(ColorMaterial::from(Color::BLUE)),
+			transform: Transform::from_translation(Vec3::new(-400., 0., 0.)),
 			..default()
-			});
+		},
 	});
 	for i in 0..4000u32 {
-		commands
+		commands.spawn(Planet {
-			.spawn(Planet {
-				pos: TransformBundle::from(Transform::from_translation(Vec3::new(
-					-450. - i as f32 / 4.,
-					0.,
-					0.,
-				))),
 			mass: Mass(1.),
 			speed: Speed(Vec2::new(0.0, -500.0)),
-				visibility: InheritedVisibility::VISIBLE,
+			mesh: MaterialMesh2dBundle {
-			})
+				mesh: meshes.add(shape::Circle::new(5.).into()).into(),
-			.with_children(|parent| {
+				material: materials.add(ColorMaterial::from(Color::RED)),
-				parent.spawn(MaterialMesh2dBundle {
+				transform: Transform::from_translation(Vec3::new(-450. - i as f32 / 4., 0., 0.)),
-					mesh: circle_5.clone(),
-					material: red.clone(),
 				..default()
-				});
+			},
 		});
 	}
 }
@@ -123,10 +96,9 @@ struct Mass(f32);
 
 #[derive(Bundle)]
 struct Planet {
-	pos: TransformBundle,
 	mass: Mass,
 	speed: Speed,
-	visibility: InheritedVisibility,
+	mesh: MaterialMesh2dBundle<ColorMaterial>,
 }
 
 #[derive(Resource)]