Помогите исправить ошибки в коде на C# контроллер персонажа

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

public class PlayerController : MonoBehaviour
{
    [Header("Скорость перемещения")]
    public float speed = 7f;
    [Header("Мы на земле?")]
    public bool ground;
    [Header("Сила прыжка")]
    public float jumpPower = 200f;
    [Header("Скорость бега")]
    public float runSpeed = 15f;
    [Header("Скорость бега")]
    public Rigibody = rb;
    
    private void Update()   
    {
        GetInput();
    }
    
    
    private void GetInput()
    {
            if(Input.GetKey(KeyCode.W))
            {
                if(Input.GetKey(KeyCode.LeftShift))
                {
                    transform.localPosition += transform.forward * runSpeed * Time.deltaTime;
                }
                else 
                {
                    transform.localPosition += transform.forward * speed * Time.deltaTime;
                }
            }
            if(Input.GetKey(KeyCode.S))
            {
                if(Input.GetKey(KeyCode.LeftShift))
                {
                    transform.localPosition += -transform.forward * runSpeed * Time.deltaTime;
                }
                else 
                {
                    transform.localPosition += -transform.forward * speed * Time.deltaTime;
                }
            }
            if(Input.GetKey(KeyCode.A))
            {   
                if(Input.GetKey(KeyCode.LeftShift))
                {
                    transform.localPosition += -transform.right * runSpeed * Time.deltaTime;
                }
                else 
                {
                    transform.localPosition += -transform.right * speed * Time.deltaTime;
                }
            }
            if(Input.GetKey(KeyCode.D))
            {
                if(Input.GetKey(KeyCode.LeftShift))
                {
                    transform.localPosition += transform.right * runSpeed * Time.deltaTime;
                }
                else 
                {
                    transform.localPosition += transform.right * speed * Time.deltaTime;
                }
            }
            if(Input.GetKeyDown(KeyCode.Space))
            {
                if(ground == true)
                {
                    rb.AddForce(transform.up * jumpPower);
                }
            }
        
    }   
    private void OnCollisionEnter(Collision collision)
    {
        if(collision.gameObject.tag == "Ground")
        {
            ground = true;
        }
    }
    private void OnCollisionExit(Collision collision)
    {
        if (collision.gameObject.tag == "Ground")
        {
            ground = false;
        }
    }
}

Помогите исправить ошибки, пишет : Invalid token ';' Invalid token '=' Скрипт должен отвечать за ходьбу прыжок и бег