问我有一个空的嵌套在播放器下面。它应该被绑在雪碧的前面，但不能和雪碧一起翻

EN

    using UnityEngine;

public class PlayerMovement : MonoBehaviour
{
    private Rigidbody2D rb;
    private BoxCollider2D coll;
    private SpriteRenderer sprite;
    private Animator anim;

    [SerializeField] private LayerMask jumpableGround;

    public float checkRadius;
    bool isTouchingFront;
    public Transform frontCheck;
    public float wallSlidingSpeed;
    bool wallSliding;
    bool wallJumping;
    public float xWallForce;
    public float yWallForce;
    public float wallJumpTime;

    private float dirX = 0f;
    [SerializeField] private float moveSpeed = 7f;
    [SerializeField] private float jumpForce = 14f;
    [SerializeField] private float airControl;

    private enum MovementState { idle, running, jumping, falling }

    [SerializeField] private AudioSource JumpSoundEffect;

    // Start is called before the first frame update
    private void Start()
    {
        rb = GetComponent<Rigidbody2D>();
        coll = GetComponent<BoxCollider2D>();
        sprite = GetComponent<SpriteRenderer>();
        anim = GetComponent<Animator>();
    }

    // Update is called once per frame
    private void Update()
    {
        dirX = Input.GetAxisRaw("Horizontal");

        if (dirX < 0 && IsGrounded())
        {
            rb.velocity = new Vector2(moveSpeed * -1, rb.velocity.y);
        }
        else if (dirX > 0 && IsGrounded())
        {
            rb.velocity = new Vector2(moveSpeed, rb.velocity.y);
        }
        else if (dirX == 0 && IsGrounded())
        {
            rb.velocity = new Vector2(0, rb.velocity.y);
        }
  


        if (Input.GetButtonDown("Jump") && IsGrounded())
        {
            JumpSoundEffect.Play();
            rb.velocity = new Vector2(rb.velocity.x, jumpForce);

        }



        UpdateAnimationState();
    }

    private void UpdateAnimationState()
    {
        MovementState state;

        if (dirX > 0f && IsGrounded())
        {
            state = MovementState.running;
        }
        else if (dirX < 0f && IsGrounded())
        {
            state = MovementState.running;
        }
        else
        {
            state = MovementState.idle;
        }

        if (rb.velocity.y > .1f)
        {
            state = MovementState.jumping;
        }
        else if (rb.velocity.y < -.1f)
        {
            state = MovementState.falling;
        }

        //Wall Jump
        isTouchingFront = Physics2D.OverlapCircle(frontCheck.position, checkRadius, jumpableGround);

        if (isTouchingFront == true && IsGrounded() == false && dirX != 0)
        {
            wallSliding = true;
        }
        else
        {
            wallSliding = false;
        }

        if (wallSliding)
        {
            rb.velocity = new Vector2(rb.velocity.x, Mathf.Clamp(rb.velocity.y, -wallSlidingSpeed, float.MaxValue));
        }

        if (Input.GetButtonDown("Jump") && wallSliding == true)
        {
            wallJumping = true;
            Invoke("SetWallJumpingToFalse", wallJumpTime);
        }

        if (wallJumping == true)
        {
            rb.velocity = new Vector2(xWallForce * -Input.GetAxisRaw("Horizontal"), yWallForce);
        }



        anim.SetInteger("state", (int)state);

    }

    void SetWallJumpingToFalse()
    {
        wallJumping = false;
    }

    public bool IsGrounded()
    {
        return Physics2D.BoxCast(coll.bounds.center, coll.bounds.size, 0f, Vector2.down, .1f, jumpableGround);

    }
    public void FixedUpdate()
    {
        if (dirX > 0f)
        {
            sprite.flipX = false;
        }
        else if (dirX < 0f)
        {
            sprite.flipX = true;
        }
    }


}