Добавил музыку и навел порядок в файлах

Player/Player.tscn

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+[gd_scene format=3 uid="uid://c3efk6k8xnf57"]
+
+[ext_resource type="Script" uid="uid://c22hclit1affa" path="res://Player/character_body_3d.gd" id="1_iwpo4"]
+
+[sub_resource type="CapsuleShape3D" id="CapsuleShape3D_h8axm"]
+radius = 0.35205078
+height = 2.3198242
+
+[sub_resource type="CapsuleMesh" id="CapsuleMesh_bcw3a"]
+radius = 0.34472656
+height = 2.3242188
+
+[node name="CharacterBody3D" type="CharacterBody3D" unique_id=365865796]
+script = ExtResource("1_iwpo4")
+
+[node name="CollisionShape3D" type="CollisionShape3D" parent="." unique_id=1618285171]
+shape = SubResource("CapsuleShape3D_h8axm")
+debug_color = Color(0, 0.6, 0.69803923, 1)
+
+[node name="Camera3D" type="Camera3D" parent="." unique_id=1749679416]
+transform = Transform3D(1, 0, -1.7484555e-07, 0, 1, 0, 1.7484555e-07, 0, 1, 0, 0.9, 0)
+fov = 59.9
+
+[node name="MeshInstance3D" type="MeshInstance3D" parent="." unique_id=81801455]
+mesh = SubResource("CapsuleMesh_bcw3a")

Player/character_body_3d.gd

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+extends CharacterBody3D
+
+# Настройки скорости
+const WALK_SPEED = 5.0
+const SPRINT_SPEED = 8.5
+const JUMP_VELOCITY = 4.5
+
+# Настройки чувствительности мыши
+@export var MOUSE_SENSITIVITY: float = 0.003
+
+# --- Настройки тряски камеры (Head Bobbing) ---
+const BOB_FREQ = 2.4     # Частота покачивания
+const BOB_AMP = 0.08     # Амплитуда покачивания
+var bob_time: float = 0.0
+
+# Ссылки на узлы
+@onready var head: Node3D = $Camera3D
+
+func _ready() -> void:
+	Input.mouse_mode = Input.MOUSE_MODE_CAPTURED
+
+func _unhandled_input(event: InputEvent) -> void:
+	if event.is_action_pressed("ui_cancel"):
+		Input.mouse_mode = Input.MOUSE_MODE_VISIBLE
+
+	if event is InputEventMouseButton and event.button_index == MOUSE_BUTTON_LEFT:
+		Input.mouse_mode = Input.MOUSE_MODE_CAPTURED
+
+	if event is InputEventMouseMotion and Input.mouse_mode == Input.MOUSE_MODE_CAPTURED:
+		rotate_y(-event.relative.x * MOUSE_SENSITIVITY)
+		head.rotate_x(-event.relative.y * MOUSE_SENSITIVITY)
+		head.rotation.x = clamp(head.rotation.x, deg_to_rad(-80), deg_to_rad(80))
+
+func _physics_process(delta: float) -> void:
+	# 1. Гравитация
+	if not is_on_floor():
+		velocity += get_gravity() * delta
+
+	# 2. Прыжок на Пробел
+	if Input.is_key_pressed(KEY_SPACE) and is_on_floor():
+		velocity.y = JUMP_VELOCITY
+
+	# 3. Определение скорости (Спринт)
+	var current_speed := WALK_SPEED
+	if Input.is_key_pressed(KEY_SHIFT):
+		current_speed = SPRINT_SPEED
+
+	# 4. Управление WASD
+	var input_dir := Vector2.ZERO
+	if Input.is_key_pressed(KEY_D):
+		input_dir.x += 1
+	if Input.is_key_pressed(KEY_A):
+		input_dir.x -= 1
+	if Input.is_key_pressed(KEY_S):
+		input_dir.y += 1
+	if Input.is_key_pressed(KEY_W):
+		input_dir.y -= 1
+
+	input_dir = input_dir.normalized()
+
+	# 5. Движение относительно взгляда персонажа
+	var direction := (transform.basis * Vector3(input_dir.x, 0, input_dir.y)).normalized()
+	if direction:
+		velocity.x = direction.x * current_speed
+		velocity.z = direction.z * current_speed
+	else:
+		velocity.x = move_toward(velocity.x, 0, current_speed)
+		velocity.z = move_toward(velocity.z, 0, current_speed)
+
+	# 6. Эффект тряски / раскачивания камеры (Head Bobbing)
+	bob_time += delta * velocity.length() * float(is_on_floor())
+	head.transform.origin = _head_bob(bob_time)
+
+	move_and_slide()
+
+# Функция расчета позиционирования камеры при шагах
+func _head_bob(time: float) -> Vector3:
+	var pos := Vector3.ZERO
+	pos.y = sin(time * BOB_FREQ) * BOB_AMP
+	pos.x = cos(time * BOB_FREQ / 2) * BOB_AMP
+	return pos

Player/character_body_3d.gd.uid

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+uid://c22hclit1affa