Fixed player movement and added camera rotation

base/scripts/player/player.gd

@@ -2,14 +2,18 @@ extends CharacterBody3D
 
 @export var speed = 100.0
 @export var fall_acceleration = 75.0
+@export var vertical_sensivity = 0.005
+@export var horizontal_sensivity = 0.005
 
 var stack: CommandStack = CommandStack.new()
 
+@onready var camera: Camera3D = $"Camera"
 @onready var weapon_player: AnimationPlayer = $"HUD/Weapon/AnimationPlayer"
 
 # Called when the node enters the scene tree for the first time.
 func _ready() -> void:
 	weapon_player.current_animation = "static"
+	Input.mouse_mode = Input.MOUSE_MODE_CAPTURED
 
 
 # Called every frame. 'delta' is the elapsed time since the previous frame.
@@ -17,11 +21,20 @@ func _physics_process(delta: float) -> void:
 	var direction = Vector3.ZERO
 	direction.z = Input.get_axis("move_forward", "move_backward")
 	direction.x = Input.get_axis("move_left", "move_right")
-	
-	var target_velocity = direction * speed * delta
+	var target_velocity = (transform.basis * direction).normalized() * speed * delta
 
 	if not is_on_floor():
 		target_velocity.y -= fall_acceleration * delta
 	
 	velocity = target_velocity
 	move_and_slide()
+
+func _input(event):
+	if event is InputEventMouseMotion:
+		var new_rotation = clamp(
+			camera.rotation.x - event.relative.y * vertical_sensivity,
+			-PI/2,
+			PI/2
+		)
+		camera.rotation.x = new_rotation
+		rotation.y -= event.relative.x * horizontal_sensivity