kickin ass now

src/main.rs

@@ -6,8 +6,15 @@ use bevy::{
 #[derive(Component)]
 struct Player;
 
+const TILE_WIDTH: i32 = 32;
+const TILE_HEIGHT: i32 = 32;
 const BACKGROUND_COLOR: Color = Color::rgb(1.0, 1.0, 1.0);
 
+struct TileSize {
+    width: i32,
+    height: i32,
+}
+
 fn setup(mut commands: Commands, asset_server: Res<AssetServer>) {
     commands.spawn_bundle(Camera2dBundle{
         transform: Transform::from_xyz(0.0, 0.0, 0.0),
@@ -17,23 +24,52 @@ fn setup(mut commands: Commands, asset_server: Res<AssetServer>) {
     commands.spawn()
         .insert(Player)
         .insert_bundle(SpriteBundle{
-            texture: asset_server.load("icon.png"),
             transform: Transform::from_xyz(0.0, 0.0, 0.0),
+            texture: asset_server.load("icon.png"),
+            sprite: Sprite{
+                color: Color::rgb(1.0, 1.0, 1.0),
+                custom_size: Some(Vec2::new(32.0, 32.0)),
+                ..default()
+            },
             ..default()
         });
+
+    for x in 0..10 {
+        for y in 0..10 {
+            commands.spawn_bundle(SpriteBundle{
+                transform: Transform::from_xyz(32.0 * x as f32, 32.0 * y as f32, 0.0),
+                texture: asset_server.load("grass-tile.png"),
+                sprite: Sprite{
+                    color: Color::rgb(1.0, 1.0, 1.0),
+                    custom_size: Some(Vec2::new(32.0, 32.0)),
+                    ..default()
+                },
+                ..default()
+            });
+        }
+    }
+
 }
 
 
 fn map_key(now: &Res<Input<KeyCode>>, key: KeyCode, handler: &mut bool) {
-    if now.just_pressed(key)  { *handler = true; }
+    *handler = now.just_pressed(key);
-    if now.just_released(key) { *handler = false; }
+    // if now.just_pressed(key)  { *handler = true; }
+    // if now.just_released(key) { *handler = false; }
 }
 
 fn keyboard_input(now: Res<Input<KeyCode>>, mut input_state: ResMut<PlayerInput>) {
-    map_key(&now, KeyCode::A, &mut input_state.left);
     map_key(&now, KeyCode::W, &mut input_state.up);
+    map_key(&now, KeyCode::Up, &mut input_state.up);
+
+    map_key(&now, KeyCode::A, &mut input_state.left);
+    map_key(&now, KeyCode::Left, &mut input_state.left);
+
     map_key(&now, KeyCode::S, &mut input_state.down);
+    map_key(&now, KeyCode::Down, &mut input_state.down);
+
     map_key(&now, KeyCode::D, &mut input_state.right);
+    map_key(&now, KeyCode::Right, &mut input_state.right);
 }
 
 fn player_movement(
@@ -41,10 +77,10 @@ fn player_movement(
     input_state: Res<PlayerInput>
 ) {
     let mut player_t = query.single_mut();
-    if input_state.up    { player_t.translation.y += 1.0; }
+    if input_state.up    { player_t.translation.y += 32.0; }
-    if input_state.down  { player_t.translation.y -= 1.0; }
+    if input_state.down  { player_t.translation.y -= 32.0; }
-    if input_state.left  { player_t.translation.x -= 1.0; }
+    if input_state.left  { player_t.translation.x -= 32.0; }
-    if input_state.right { player_t.translation.x += 1.0; }
+    if input_state.right { player_t.translation.x += 32.0; }
 }
 
 #[derive(Default, Debug)]
@@ -59,8 +95,9 @@ fn main() {
     App::new()
         .add_plugins(DefaultPlugins)
         .insert_resource(ClearColor(BACKGROUND_COLOR))
-        .add_startup_system(setup)
         .insert_resource(PlayerInput::default())
+        .insert_resource(TileSize{width: TILE_WIDTH, height: TILE_HEIGHT})
+        .add_startup_system(setup)
         .add_system(keyboard_input)
         .add_system(player_movement)
         .add_system(bevy::window::close_on_esc)