Basic player movement, rotation, jump

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

public class WalkPlayer : MonoBehaviour
{
    public float speed = 6.0F;
    public float jumpSpeed = 8.0F;
    public float gravity = 20.0F;
    public float rotateSpeed = 3.0F;
    private Vector3 moveDirection = Vector3.zero;

    void Update()
    {
        CharacterController controller = GetComponent<CharacterController>();
        if (controller.isGrounded)
        {
            moveDirection = new Vector3(0, 0, Input.GetAxis("Vertical"));
            moveDirection = transform.TransformDirection(moveDirection);
            moveDirection *= speed;
            if (Input.GetButton("Jump"))
                moveDirection.y = jumpSpeed;


            /*if (Input.GetKey(KeyCode.W) || Input.GetKey(KeyCode.S) || Input.GetKey(KeyCode.A) || Input.GetKey(KeyCode.D) || Input.GetKey(KeyCode.UpArrow) || Input.GetKey(KeyCode.DownArrow) || Input.GetKey(KeyCode.LeftArrow) || Input.GetKey(KeyCode.RightArrow))
            {
                //anim.SetBool("walkhim", true);
                //anim.SetBool("idlehim", false);
            }
            else
            {
                //anim.SetBool("idlehim", true);
                //anim.SetBool("walkhim", false);

            }*/

        }
        float rotationplayer = rotateSpeed * Input.GetAxis("Horizontal");
        moveDirection.y -= gravity * Time.deltaTime;
        controller.Move(moveDirection * Time.deltaTime);

        //Rotate Player
        transform.Rotate(0, rotationplayer, 0);
    }

    
}