PlayerMovement

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

public class PlayerMovement : MonoBehaviour
{
    public Rigidbody2D rb;

    private float Move;

    public float speed;
    public float jump;
    public Vector2 boxSize;
    public float castDistance;
    public LayerMask groundLayer;

    public CoinManager cm;

    private Animator anim;

    private bool isFacingLeft;

    public GameObject player;
    public Transform spawnPoint;

    bool grounded;
    // Start is called before the first frame update
    void Start()
    {
        player.transform.position = spawnPoint.position;
        isFacingLeft = true;
        anim = GetComponent<Animator>();
        rb = GetComponent<Rigidbody2D>();
    }

    // Update is called once per frame
    void Update()
    {
        Move = Input.GetAxis("Horizontal");

        rb.velocity = new Vector2(Move * speed, rb.velocity.y);
        
        if(Input.GetButtonDown("Jump") && isGrounded())
        {
            rb.AddForce(new Vector2(rb.velocity.x, jump * 10));
        }

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

        anim.SetBool("isJumping", !isGrounded());

        if(!isFacingLeft && Move < 0)
        {
            Flip();
        }else if(isFacingLeft && Move > 0)
        {
            Flip();
        }

        if (isGrounded())
        {
            rb.gravityScale = 10;

        }
        else
        {
            rb.gravityScale = 1;
        }
    }

    public void Flip()
    {
        isFacingLeft = !isFacingLeft;
        Vector3 localScale = transform.localScale;
        localScale.x *= -1f;
        transform.localScale = localScale;
    }

    public bool isGrounded()
    {
        if(Physics2D.BoxCast(transform.position, boxSize, 0, -transform.up, castDistance, groundLayer))
        {
            return true;
        }
        else
        {
            return false;
        }

    }
    private void OnDrawGizmos()
    {
        Gizmos.DrawWireCube(transform.position-transform.up * castDistance, boxSize);
    }

    void OnTriggerEnter2D(Collider2D other)
    {
        if(other.gameObject.CompareTag("Coin"))
        {
            Destroy(other.gameObject);
            cm.coinCount++;
        }
    }
}