Character fusion

README.md

@@ -5,7 +5,6 @@
 * name
 * scene management
 * stream audio (with HexoSynthDSP)
-* character fusion
 * color filters
 * level design
 * win

src/game.rs

@@ -1,11 +1,12 @@
 #![allow(clippy::precedence)]
+#![allow(clippy::too_many_arguments)]
 
 use crate::AppState;
 
 use bevy::{
 	input::{keyboard::KeyCode, Input},
 	prelude::{shape::Quad, *},
-	sprite::{MaterialMesh2dBundle, Mesh2dHandle},
+	sprite::Mesh2dHandle,
 };
 use bevy_fundsp::prelude::*;
 use bevy_hanabi::*;
@@ -69,6 +70,9 @@ struct SelectedCharacterId(Option<CharacterId>);
 #[derive(Component)]
 struct CharacterIdList(BTreeSet<CharacterId>);
 
+#[derive(Clone, Component, PartialEq)]
+struct CharacterColor(Color);
+
 // Systems
 
 fn setup(
@@ -174,20 +178,21 @@ fn spawn_character(
 			.clamp(Vec4::new(0., 0., 0., 0.), Vec4::new(1., 1., 1., 0.)),
 	);
 	commands
-		.spawn_bundle(MaterialMesh2dBundle {
+		.spawn_bundle(ColorMesh2dBundle {
 			mesh: character_meshes.square.clone(),
 			material: materials.add(ColorMaterial::from(color)),
 			transform,
 			..default()
 		})
 		.insert(character_id)
+		.insert(CharacterColor(color))
 		.insert(RigidBody::Dynamic)
 		.insert(Collider::cuboid(32., 32.))
 		.insert(ExternalForce::default())
 		.insert(Velocity::default())
 		.insert(GravityScale(10.0))
 		.insert(LockedAxes::ROTATION_LOCKED)
-		.insert(Friction::new(1.0))
+		.insert(Friction::new(0.8))
 		.insert(Damping {
 			linear_damping: 0.5,
 			angular_damping: 0.5,
@@ -231,30 +236,43 @@ fn spawn_character(
 
 fn collision_event_system(
 	mut commands: Commands,
-	//materials: ResMut<Assets<ColorMaterial>>,
+	character_meshes: Res<CharacterMeshes>,
+	mut materials: ResMut<Assets<ColorMaterial>>,
+	mut effects: ResMut<Assets<EffectAsset>>,
 	current_level: Res<CurrentLevel>,
 	mut collision_events: EventReader<CollisionEvent>,
-	//character_query: Query<(&CharacterId, &Handle<ColorMaterial>)>,
-	character_query: Query<&CharacterId>,
+	character_query: Query<(&CharacterId, &CharacterColor, &Transform)>,
 	mut level_query: Query<(&mut SelectedCharacterId, &mut CharacterIdList)>,
 ) {
 	if let Some(level_entity) = current_level.0 {
 		for collision_event in collision_events.iter() {
 			if let CollisionEvent::Started(e1, e2, flags) = collision_event {
 				if flags.is_empty() {
-					//if let (Ok((c1_id, c1_material)), Ok((c2_id, c2_material))) =
-					if let (Ok(c1_id), Ok(c2_id)) =
-						(character_query.get(*e1), character_query.get(*e2))
+					if let (
+						Ok((c1_id, c1_color, c1_transform)),
+						Ok((c2_id, c2_color, _c2_transform)),
+					) = (character_query.get(*e1), character_query.get(*e2))
 					{
-						//c1_material.color = (Vec4::from(c1_material.color) + Vec4::from(c2_material.color)).into();
-
 						let (mut selected_character_id, mut character_id_list) =
 							level_query.get_mut(level_entity).unwrap();
+						character_id_list.0.remove(c1_id);
 						character_id_list.0.remove(c2_id);
-						if selected_character_id.0 == Some(*c2_id) {
-							selected_character_id.0 = Some(*c1_id);
-						}
+						selected_character_id.0 = None;
+
+						// TODO completely remove particles
+						commands.entity(*e1).despawn_recursive();
 						commands.entity(*e2).despawn_recursive();
+
+						spawn_character(
+							&mut commands,
+							&character_meshes,
+							&mut effects,
+							&mut materials,
+							&mut selected_character_id,
+							&mut character_id_list,
+							*c1_transform,
+							(Vec4::from(c1_color.0) + Vec4::from(c2_color.0)).into(),
+						);
 					}
 				}
 			}
@@ -267,7 +285,7 @@ fn keyboard_input_system(
 	current_level: Res<CurrentLevel>,
 	mut characters: Query<(
 		&CharacterId,
-        &mut Velocity,
+		&mut Velocity,
 		&mut ExternalImpulse,
 		&mut ExternalForce,
 		&Children,
@@ -285,21 +303,11 @@ fn keyboard_input_system(
 				audio.play(dsp_assets.graph(&sine_wave));
 
 				let selected = if let Some(selected_character_id) = &mut selected_character_id.0 {
-					if let Some((
-						_character_id,
-						_velocity,
-						_impulse,
-						_force,
-						children
-
-					)) = characters.iter_mut().find(|(
-						character_id,
-						_velocity,
-						_impulse,
-						_force,
-						_children
-
-					)| { *character_id == selected_character_id }) {
+					if let Some((_character_id, _velocity, _impulse, _force, children)) = characters
+						.iter_mut()
+						.find(|(character_id, _velocity, _impulse, _force, _children)| {
+							*character_id == selected_character_id
+						}) {
 						effect
 							.get_mut(children[0])
 							.unwrap()
@@ -319,20 +327,11 @@ fn keyboard_input_system(
 					CharacterId(0)
 				};
 
-				if let Some((
-					_character_id,
-					_velocity,
-					_impulse,
-					_force,
-					children
-				)) = characters.iter_mut().find(|(
-					character_id,
-					_velocity,
-					_impulse,
-					_force,
-					_children
-				)| **character_id == selected)
-				{
+				if let Some((_character_id, _velocity, _impulse, _force, children)) = characters
+					.iter_mut()
+					.find(|(character_id, _velocity, _impulse, _force, _children)| {
+						**character_id == selected
+					}) {
 					effect
 						.get_mut(children[0])
 						.unwrap()
@@ -342,25 +341,17 @@ fn keyboard_input_system(
 				}
 			}
 
-			let right_pressed: bool = keyboard_input.pressed(KeyCode::Right) || keyboard_input.pressed(KeyCode::D);
-			let left_pressed: bool = keyboard_input.pressed(KeyCode::Left) || keyboard_input.pressed(KeyCode::A);
+			let right_pressed: bool =
+				keyboard_input.pressed(KeyCode::Right) || keyboard_input.pressed(KeyCode::D);
+			let left_pressed: bool =
+				keyboard_input.pressed(KeyCode::Left) || keyboard_input.pressed(KeyCode::A);
 
 			if let Some(selected_character_id) = &selected_character_id.0 {
-				if let Some((
-					_character_id,
-					mut velocity, 
-					mut impulse,
-					mut force,
-					_children
-					
-				)) = characters.iter_mut().find(|(
-					character_id,
-					_velocity, 
-					_impulse,
-					_force,
-					_children
-
-				)| { *character_id == selected_character_id }) {
+				if let Some((_character_id, mut velocity, _impulse, _force, _children)) = characters
+					.iter_mut()
+					.find(|(character_id, _velocity, _impulse, _force, _children)| {
+						*character_id == selected_character_id
+					}) {
 					velocity.linvel.x = 200. * (right_pressed as i8 - left_pressed as i8) as f32;
 
 					if keyboard_input.just_pressed(KeyCode::Space) {