Player animation

src/player.rs

@@ -34,24 +34,35 @@ fn spawn_player(mut commands: Commands, assets: Res<AssetLoader>) {
     ));
 }
 
-fn player_movement(mut query: Query<&mut Heading, With<Player>>, input: Res<Input<KeyCode>>) {
+fn player_movement(
-    let mut heading = query.single_mut();
+    mut query: Query<(&mut TextureAtlasSprite, &mut Heading), With<Player>>,
+    input: Res<Input<KeyCode>>,
+) {
+    let (mut sprite, mut heading) = query.single_mut();
     **heading = Vec2::ZERO;
     for key in input.get_pressed() {
         match key {
-            KeyCode::W | KeyCode::Up => {
-                **heading += Vec2::Y;
-            }
-            KeyCode::S | KeyCode::Down => {
-                **heading -= Vec2::Y;
-            }
             KeyCode::A | KeyCode::Left => {
                 **heading -= Vec2::X;
             }
             KeyCode::D | KeyCode::Right => {
                 **heading += Vec2::X;
             }
+            KeyCode::W | KeyCode::Up => {
+                **heading += Vec2::Y;
+            }
+            KeyCode::S | KeyCode::Down => {
+                **heading -= Vec2::Y;
+            }
             _ => {}
         }
     }
+    if heading.y < 0. {
+        sprite.index = 0;
+    } else if heading.y > 0. {
+        sprite.index = 1;
+    } else if heading.x != 0. {
+        sprite.index = 2;
+        sprite.flip_x = heading.x > 0.;
+    }
 }