added jellyfishes player_movement

src/components/entity.rs

@@ -17,3 +17,6 @@ pub struct Inventory{
     pub items: Vec<Entity>,
     pub max_size: u32,
 }
+
+#[derive(Component, Debug)]
+pub struct Speed(pub f32);

src/main.rs

@@ -4,10 +4,10 @@ pub mod systems;
 
 fn main() {
     App::new()
-        .insert_resource(ClearColor(Color::srgb(1.0, 1.0, 1.0)))
         .add_plugins(DefaultPlugins)
-        .add_systems(Startup, (setup, systems::player::spawn_player))
-        .add_systems(Update, systems::debug::debug_player_components)
+        .insert_resource(Time::<Fixed>::from_hz(60.0))
+        .add_systems(Startup, (setup, systems::player::spawn_player, systems::wolf::spawn_wolf))
+        .add_systems(FixedUpdate, (systems::player::camera_lock, systems::player::player_movement))
         .run();
 }
 

src/systems/debug.rs

@@ -1,7 +1,7 @@
 use bevy::prelude::*;
 use crate::components::entity::{Level, Xp, Health, Inventory};
 
-pub fn debug_player_components(
+pub fn debug_entity_components(
     query: Query<(Entity, &Level, &Xp, &Health, &Inventory)>,
 ) {
     for (entity, level, xp, health, inv) in query.iter() {

src/systems/mod.rs

@@ -1,2 +1,3 @@
 pub mod player;
 pub mod debug;
+pub mod wolf;

src/systems/player.rs

@@ -1,5 +1,8 @@
 use bevy::prelude::*;
-use crate::components::entity::{Level, Xp, Health, Inventory};
+use crate::components::entity::{Level, Xp, Health, Inventory, Speed};
+
+#[derive(Component)]
+pub struct Player;
 
 pub fn spawn_player(mut commands: Commands, mut meshes: ResMut<Assets<Mesh>>, mut materials: ResMut<Assets<ColorMaterial>>) {
     let player_mesh = meshes.add(Capsule2d::new(25.0, 50.0));
@@ -11,5 +14,39 @@ pub fn spawn_player(mut commands: Commands, mut meshes: ResMut<Assets<Mesh>>, mu
         Level(1), 
         Xp(0), 
         Health{current: 10, max: 10}, 
-        Inventory {items: Vec::new(), max_size: 10},));
+        Inventory {items: Vec::new(), max_size: 10},
+        Speed(100.0),
+        Player,));
+}
+
+pub fn camera_lock(
+    camera_query: Single<(&Camera, &mut Transform), 
+    Without<Player>>, player_query: Single<(&Player, &Transform)> ) {
+        let (_, mut camera_pos) = camera_query.into_inner();
+        let (_, player_pos) = player_query.into_inner();
+        camera_pos.translation = player_pos.translation;
+}
+
+pub fn player_movement(
+    keyboard_input: Res<ButtonInput<KeyCode>>,
+    time: Res<Time>,
+    player_query: Single<(&Player, &mut Transform, &Speed)>) {
+        let (_player, mut transform, speed) = player_query.into_inner();
+        let mut translation_delta : Vec3 = Vec3::ZERO;
+        if keyboard_input.pressed(KeyCode::KeyW) {
+            translation_delta.y += 1.0;
+        }
+        if keyboard_input.pressed(KeyCode::KeyS) {
+            translation_delta.y -= 1.0;
+        }
+        if keyboard_input.pressed(KeyCode::KeyA) {
+            translation_delta.x -= 1.0;
+        }
+        if keyboard_input.pressed(KeyCode::KeyD) {
+            translation_delta.x += 1.0;
+        }
+
+        translation_delta *= speed.0 * time.delta_secs();
+
+        transform.translation += translation_delta;
 }

src/systems/wolf.rs

@@ -0,0 +1,15 @@
+use bevy::prelude::*;
+use crate::components::entity::{Level, Xp, Health, Inventory};
+
+pub fn spawn_wolf(mut commands: Commands, mut meshes: ResMut<Assets<Mesh>>, mut materials: ResMut<Assets<ColorMaterial>>) {
+    let wolf_mesh = meshes.add(Rhombus::new(75.0, 100.0));
+    let color = Color::hsl(360. * 6 as f32 / 10 as f32, 0.95, 0.7);
+    commands.spawn( (
+        Mesh2d(wolf_mesh), 
+        MeshMaterial2d(materials.add(color)), 
+        Transform::from_xyz(300.0, 0.0, 0.0), 
+        Level(1), 
+        Xp(0), 
+        Health{current: 30, max: 30}, 
+        Inventory {items: Vec::new(), max_size: 10},));
+}