Fix mobile restart and swipe aiming while firing

scripts/main.gd

@@ -146,7 +146,7 @@ func _process(_dt: float) -> void:
 		if player.touch_mode:
 			hud.text += "\ntrascina a sinistra: muovi · a destra: guarda"
 		if player.hp <= 0:
-			hud.text += "\nSEI MORTO — premi R per ricominciare"
+			hud.text += "\nSEI MORTO — tocca RICOMINCIA" if player.touch_mode else "\nSEI MORTO — premi R per ricominciare"
 
 func zombies_for_wave(number: int) -> int:
 	return 4 + number * 2

scripts/player.gd

@@ -68,6 +68,16 @@ func _ready() -> void:
 	if DisplayServer.get_name() != "headless" and not OS.has_feature("web"):
 		Input.mouse_mode = Input.MOUSE_MODE_CAPTURED
 
+var restart_button: Button
+
+func _input(event: InputEvent) -> void:
+	# Touch nativo: funziona anche con emulate_mouse_from_touch disattivato.
+	if event is InputEventScreenTouch and event.pressed and is_instance_valid(restart_button):
+		if not restart_button.disabled and restart_button.get_global_rect().has_point(event.position):
+			restart_button.disabled = true
+			get_viewport().set_input_as_handled()
+			get_tree().call_deferred("reload_current_scene")
+
 func _unhandled_input(event: InputEvent) -> void:
 	if OS.has_feature("web") and not touch_mode and event is InputEventMouseButton and event.pressed and event.button_index == MOUSE_BUTTON_LEFT and not death_started:
 		Input.mouse_mode = Input.MOUSE_MODE_CAPTURED
@@ -211,10 +221,27 @@ func _die() -> void:
 	tween.tween_property(camera, "rotation:x", 0.08, 0.9)
 	tween.tween_property(death_overlay, "color:a", 1.0, 1.8).set_delay(0.7)
 	var message := Label.new()
-	message.text = "SEI MORTO\nPremi R per ricominciare"
+	message.text = "SEI MORTO" if touch_mode else "SEI MORTO\nPremi R per ricominciare"
 	message.horizontal_alignment = HORIZONTAL_ALIGNMENT_CENTER
 	message.add_theme_font_size_override("font_size", 36)
 	message.modulate.a = 0
 	layer.add_child(message)
 	message.set_anchors_and_offsets_preset(Control.PRESET_CENTER)
 	tween.tween_property(message, "modulate:a", 1.0, 0.5).set_delay(2.2)
+	if touch_mode:
+		var restart := Button.new()
+		restart_button = restart
+		restart.name = "RestartButton"
+		restart.text = "RICOMINCIA"
+		restart.add_theme_font_size_override("font_size", 28)
+		layer.add_child(restart)
+		restart.set_anchors_and_offsets_preset(Control.PRESET_CENTER)
+		restart.offset_left = -150
+		restart.offset_right = 150
+		restart.offset_top = 90
+		restart.offset_bottom = 162
+		restart.disabled = true
+		get_tree().create_timer(0.6).timeout.connect(func(): restart.disabled = false)
+		restart.pressed.connect(func():
+			restart.disabled = true
+			get_tree().reload_current_scene())

scripts/touch_controls.gd

@@ -15,7 +15,8 @@ const JOY_RADIUS := 92.0
 const KNOB_RADIUS := 40.0
 const BTN_RADIUS := 46.0
 const BTN_FIRE_RADIUS := 62.0
-const LOOK_SENSITIVITY := 1.7    # moltiplicatore del trascinamento nell'area di puntamento
+const LOOK_TURN_RADIANS := PI   # swipe largo quanto lo schermo = 180 gradi
+const LOOK_VERTICAL_RATIO := 0.75
 const EDGE := 24.0
 
 const COLOR_BASE := Color(1, 1, 1, 0.09)
@@ -137,7 +138,7 @@ func _input(event: InputEvent) -> void:
 	elif event is InputEventScreenDrag:
 		index = event.index
 		pos = event.position
-		relative = event.relative
+		relative = event.screen_relative
 		is_drag = true
 	elif mouse_fallback and event is InputEventMouseButton and event.button_index == MOUSE_BUTTON_LEFT:
 		index = MOUSE_INDEX
@@ -218,9 +219,31 @@ func _drag(index: int, pos: Vector2, relative: Vector2) -> void:
 			_joy_knob = (pos - _joy_origin).limit_length(JOY_RADIUS)
 			_apply_move()
 			_root.queue_redraw()
-		Role.LOOK:
+		Role.LOOK, Role.FIRE:
 			if player and player.has_method("apply_look"):
-				player.apply_look(relative * LOOK_SENSITIVITY)
+				player.apply_look(_look_delta(relative, _screen_width()))
+
+## Stessa frazione di swipe = stessa rotazione, senza stretch o delta temporale.
+static func _look_delta(relative: Vector2, screen_width: float) -> Vector2:
+	return relative * Vector2(1.0, LOOK_VERTICAL_RATIO) * LOOK_TURN_RADIANS / maxf(screen_width, 1.0) / 0.0025
+
+func _screen_width() -> float:
+	return _size.x if DisplayServer.get_name() == "headless" else float(DisplayServer.window_get_size().x)
+
+func release_all() -> void:
+	for index in _touches.keys():
+		_release(index)
+	for action in MOVE_ACTIONS + ["shoot", "grenade", "reload", "jump"]:
+		Input.action_release(action)
+
+func _process(_dt: float) -> void:
+	if player and player.hp <= 0 and enabled:
+		release_all()
+		enabled = false
+		_root.hide()
+
+func _exit_tree() -> void:
+	release_all()
 
 ## Traduce il vettore del joystick nelle azioni di movimento (analogiche).
 func _apply_move() -> void: