Movement script - BACKUP

using System;
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.InputSystem;

public class Movement : MonoBehaviour
{
    public float playerSpeed = 1f;
    public float jumpForce = 1f;
    public float gravityValue = 1f;
    public float friction = 1f;
    public float cameraSensitivity = 1f;

    private float currentYRotation = 0f;

    public CharacterController CharacterController;
    private Vector3 playerVelocity;
    [SerializeField] private bool isGrounded;

    public InputActionAsset playerControls;

    private InputAction moveAction;
    private InputAction lookAction;
    private InputAction jumpAction;

    private Vector3 MoveInput;
    private Vector2 LookInput;
    private bool JumpTrigger;

    public Transform cameraTransform;

    private void Awake()
    {
        moveAction = playerControls.FindActionMap("Player").FindAction("Movement");
        lookAction = playerControls.FindActionMap("Player").FindAction("Look");
        jumpAction = playerControls.FindActionMap("Player").FindAction("Jump");
        RegisterInputActions();
    }
    private void RegisterInputActions()
    {
        moveAction.performed += context => MoveInput = new Vector3(context.ReadValue<Vector2>().x,0 , context.ReadValue<Vector2>().y);
        moveAction.canceled += context => MoveInput = Vector3.zero;

        lookAction.performed += context => LookInput = context.ReadValue<Vector2>();
        lookAction.canceled += context => LookInput = Vector2.zero;

        jumpAction.performed += context => JumpTrigger = true;
        jumpAction.canceled += context => JumpTrigger = false;
    }

    private void OnEnable()
    {
        moveAction.Enable();
        lookAction.Enable();
        jumpAction.Enable();
    }

    private void OnDisable()
    {
        moveAction.Disable();
        lookAction.Disable();
        jumpAction.Disable();
    }

    private void Update()
    {
        PlayerJumping();
        PlayerCameraMovement();
        PlayerHorizontalMovement();
        //UpdateFriction();

        CharacterController.Move(playerVelocity * Time.deltaTime);
    }

    private void PlayerCameraMovement()
    {
        currentYRotation += LookInput.x * Time.deltaTime * cameraSensitivity;
        transform.rotation = Quaternion.Euler(0, currentYRotation, 0);
    }

    private void PlayerHorizontalMovement()
    {
        if (!isGrounded)
            return;

        Vector2 input = new Vector2(MoveInput.x, MoveInput.z);
        input = Vector2.ClampMagnitude(input, 1f);

        Vector3 forward = cameraTransform.forward;
        Vector3 right = cameraTransform.right;

        forward.y = 0;
        right.y = 0;

        forward.Normalize();
        right.Normalize();

        Vector3 moveDirection = (forward * input.y + right * input.x);

        playerVelocity.x = moveDirection.x * playerSpeed;
        playerVelocity.z = moveDirection.z * playerSpeed;

        int value;
        if (Math.Abs(playerVelocity.x) > 3)
            playerVelocity.x = 2.9f * (value = playerVelocity.x < 0 ? -1 : 1);

        if (Math.Abs(playerVelocity.z) > 3)
            playerVelocity.z = 2.9f * (value = playerVelocity.z < 0 ? -1 : 1);
    }

    private void UpdateFriction()
    {
        if (!isGrounded)
        {
            friction = 0.01f;
        }
        else
            friction = 0.07f; // Няма friction в !isGrounded
    }

    private void PlayerJumping()
    {
        isGrounded = CharacterController.isGrounded;

        if (isGrounded)
        {
            playerVelocity.y = -0.5f;

            if (JumpTrigger)
                playerVelocity.y = jumpForce;

        }
        else
        {
            playerVelocity.y -= gravityValue * Time.deltaTime;
        }
    }
}