PlayerController.cs

using System.Collections;
using System.Collections.Generic;
using System.Security.Cryptography;
using UnityEngine.SceneManagement;
using UnityEngine;

public class PlayerController : MonoBehaviour
{
    private Rigidbody2D rb;
    public float speed;
    public float JumpForce;
    private float MoveInput;

    private bool isGrounded;
    public Transform feetPos;
    public float checkRadius;
    public LayerMask whatIsGround;

    public int health;

    private Animator anim;
    // Start is called before the first frame update
    void Start()
    {
        anim = GetComponent<Animator>();
        rb = GetComponent<Rigidbody2D>();
    }
    void FixedUpdate()
    {
        MoveInput = Input.GetAxisRaw("Horizontal");
        rb.velocity = new Vector2(MoveInput * speed, rb.velocity.y);
    }
    // Update is called once per frame
    void Update()
    {
        isGrounded = Physics2D.OverlapCircle(feetPos.position, checkRadius, whatIsGround);

        if (MoveInput == 0)
        {
            anim.SetBool("isRunning", false);
        }
        else
        {
            anim.SetBool("isRunning", true);
        }

        if (MoveInput > 0)
        {
            transform.eulerAngles = new Vector3(0, 0, 0);
        }
        else if (MoveInput < 0)
        {
            transform.eulerAngles = new Vector3(0, 180, 0);
        }
        if (isGrounded == true && Input.GetKeyDown(KeyCode.Space))
        {
            anim.SetTrigger("TakeOff");
            rb.velocity = Vector2.up * JumpForce;
        }
        if (isGrounded == false)
        {
            anim.SetBool("isJumping", true);
        }

        if (health <= 0)
        {
            Destroy(gameObject);
            restart();
        }


    }
    public void TakeDamage(int damage)
    {
        health -= damage;

    }
    void restart()
    {
        SceneManager.LoadScene(SceneManager.GetActiveScene().buildIndex + 1);
    }
}