Godot Code Please Help God Oh God

# Player.gd
extends CharacterBody2D

@export var speed := 64
@export var pixel_lock_scale := 1
var direction := Vector2.ZERO

func _physics_process(delta):
    player_movement()
    set_velocity(direction * speed)
    move_and_slide()
    if velocity == Vector2.ZERO:
        position.x = round(position.x / pixel_lock_scale) * pixel_lock_scale
        position.y = round(position.y / pixel_lock_scale) * pixel_lock_scale
    #print("Player Velocity: ", velocity) #for testing

func player_movement():
    direction.x = Input.get_axis("move_left", "move_right")
    direction.y = Input.get_axis("move_up", "move_down")
    direction = direction.normalized()
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# camera_2d.gd
extends Camera2D

@export var drift_strength := .25  # How far the camera drifts toward the mouse
@export var player : CharacterBody2D

func _physics_process(delta):
    if player != null:
        var mouse_pos = get_viewport().get_mouse_position()
        var screen_center = get_viewport_rect().size * 0.5
        var offset = (mouse_pos - screen_center) * drift_strength
        position = player.position + offset