Unify pod steering on lateral X tilt for flat and frontal holds.

Replace facing-only roll detection with atan2(x, yz) so left/right works in both orientations without a face gate.

Co-authored-by: Cursor <cursoragent@cursor.com>

scenes/space_shooter.tscn

@@ -89,7 +89,7 @@ layout_mode = 2
 theme_override_colors/font_color = Color(0.6, 0.65, 0.75, 1)
 theme_override_font_sizes/font_size = 14
 horizontal_alignment = 1
-text = "Split-Screen · Pod frontal halten, Lenkrad drehen"
+text = "Split-Screen · kippen oder Lenkrad drehen"
 
 [node name="ClientGrid" type="GridContainer" parent="UiLayer/SetupPanel"]
 layout_mode = 2

scripts/orientation_gizmo.gd

@@ -60,18 +60,16 @@ func _process(_delta: float) -> void:
 	_pod.basis = _pod.basis.slerp(_target_basis, SMOOTH)
 
 
-## Lenkrad-Roll in Radiant (links positiv). 0 wenn liegend oder in der Deadzone.
+## Lateral tip in radians about device X.
-static func steer_roll(accel: Vector3, deadzone_rad: float = deg_to_rad(12.0)) -> float:
+## Positive = tip toward +X (works for flat left/right tilt and frontal wheel turn).
+static func steer_roll(accel: Vector3, deadzone_rad: float = deg_to_rad(8.0)) -> float:
 	if accel.length() < MIN_ACCEL_LEN:
 		return 0.0
 	var n := accel.normalized()
-	var face_t := clampf(1.0 - maxf(n.z, 0.0), 0.0, 1.0)
+	var angle := atan2(n.x, sqrt(n.y * n.y + n.z * n.z))
-	if face_t < 0.25:
+	if absf(angle) <= deadzone_rad:
 		return 0.0
-	var roll := atan2(-n.x, -n.y)
+	return signf(angle) * (absf(angle) - deadzone_rad)
-	if absf(roll) <= deadzone_rad:
-		return 0.0
-	return signf(roll) * (absf(roll) - deadzone_rad) * face_t
 
 
 func _basis_from_accel(accel: Vector3) -> Basis:
@@ -79,5 +77,5 @@ func _basis_from_accel(accel: Vector3) -> Basis:
 	# 0 = liegend (+Z), 1 = aufgerichtet / gedreht (wenig +Z)
 	var face_t := clampf(1.0 - maxf(n.z, 0.0), 0.0, 1.0)
 	var b := _basis_flat.slerp(_basis_facing, face_t)
-	var roll := atan2(-n.x, -n.y)
+	var lateral := atan2(n.x, sqrt(n.y * n.y + n.z * n.z))
-	return Basis(Quaternion(Vector3.BACK, roll * face_t)) * b
+	return Basis(Quaternion(Vector3.BACK, -lateral)) * b

scripts/space_shooter.gd

@@ -250,7 +250,7 @@ func _on_client_selection_changed(_idx: int) -> void:
 		setup_hint_label.text = "Links und rechts müssen verschiedene Pods sein."
 	else:
 		setup_hint_label.text = (
-			"Pod #%d links · Pod #%d rechts · frontal halten, Lenkrad drehen"
+			"Pod #%d links · Pod #%d rechts · kippen oder Lenkrad drehen"
 			% [_left_client_id, _right_client_id]
 		)
 
@@ -284,7 +284,7 @@ func _begin_playing() -> void:
 	_enable_both_streams()
 	_update_score_labels()
 	status_label.text = (
-		"Pod frontal halten · wie Lenkrad drehen  ·  Tap = Boost (%ds)"
+		"Pod halten · links/rechts kippen oder Lenkrad  ·  Tap = Boost (%ds)"
 		% int(BOOST_DURATION_SEC)
 	)
 
@@ -694,10 +694,9 @@ func _update_stars(delta: float) -> void:
 
 
 func _effective_accel(side: int) -> float:
-	# Frontal halten, Lenkrad-Roll: links positiv → Schiff nach links (negativ).
+	# Lateral +X → Schiff nach rechts (flach kippen und frontal Lenkrad).
 	var a := _accel_for_side(side)
-	var roll := OrientationGizmo.steer_roll(Vector3(a))
+	return OrientationGizmo.steer_roll(Vector3(a)) * STEER_GAIN
-	return -roll * STEER_GAIN
 
 
 func _velocity_scale(side: int) -> float:
@@ -734,7 +733,7 @@ func _update_connection_status() -> void:
 			match _socket.get_ready_state():
 				WebSocketPeer.STATE_OPEN:
 					status_label.text = (
-						"Frontal halten · Lenkrad drehen  ·  Tap = Boost (%ds) · ♥×%d · CD %ds"
+						"Kippen / Lenkrad  ·  Tap = Boost (%ds) · ♥×%d · CD %ds"
 						% [int(BOOST_DURATION_SEC), MAX_LIVES, int(BOOST_COOLDOWN_SEC)]
 					)
 				WebSocketPeer.STATE_CONNECTING: