implement rotation key "r"

README.md

@@ -24,6 +24,7 @@ Key features:
 - t: toggle music (NOTE: currently no music is included in the git repo)
 - m: mute sound effects
 - q: enter/exit vehicle
+- r: rotate (hold r while moving the mouse)
 - f: toggle 3rd person view
 - TAB: toggle augmented reality overlay (HUD, low-light amplifier)
 

src/camera.rs

@@ -224,9 +224,19 @@ fn apply_input_to_player(
 
         if mouse_delta != Vec2::ZERO {
             // Apply look update
-            let pitch = (mouse_delta.y * RADIANS_PER_DOT * settings.mouse_sensitivity).clamp(-PI / 2., PI / 2.);
-            let yaw = mouse_delta.x * RADIANS_PER_DOT * settings.mouse_sensitivity;
-            player_transform.rotation *= Quat::from_euler(EulerRot::ZYX, 0.0, -yaw, pitch).normalize();
+            let mouse_y_movement = (mouse_delta.y * RADIANS_PER_DOT * settings.mouse_sensitivity).clamp(-PI / 2., PI / 2.);
+            let mouse_x_movement = -mouse_delta.x * RADIANS_PER_DOT * settings.mouse_sensitivity;
+            let (pitch, yaw, rot);
+            if key_input.pressed(settings.key_rotate) {
+                pitch = 0.0;
+                yaw = 0.0;
+                rot = mouse_x_movement;
+            } else {
+                pitch = mouse_y_movement;
+                yaw = mouse_x_movement;
+                rot = 0.0;
+            }
+            player_transform.rotation *= Quat::from_euler(EulerRot::ZYX, rot, yaw, pitch).normalize();
         }
 
         if let Ok(sink) = thruster_sound_controller.get_single() {

src/settings.rs

@@ -27,6 +27,7 @@ pub struct Settings {
     pub key_interact: KeyCode,
     pub key_vehicle: KeyCode,
     pub key_camera: KeyCode,
+    pub key_rotate: KeyCode,
     pub key_reply1: KeyCode,
     pub key_reply2: KeyCode,
     pub key_reply3: KeyCode,
@@ -76,6 +77,7 @@ impl Default for Settings {
             key_interact: KeyCode::KeyE,
             key_vehicle: KeyCode::KeyQ,
             key_camera: KeyCode::KeyF,
+            key_rotate: KeyCode::KeyR,
             key_reply1: KeyCode::Digit1,
             key_reply2: KeyCode::Digit2,
             key_reply3: KeyCode::Digit3,