fgm24/Assets/Scripts/Player/SpriteMovementFlipper.cs

using UnityEngine;
using UnityUtils;

public class SpriteMovementFlipper : MonoBehaviour
{
    [SerializeField] Transform flipTrans;
    [SerializeField] Rigidbody2D body;

    SpriteRenderer sp;

    Vector3 prevPos;

    void Start()
    {
        sp = GetComponentInChildren<SpriteRenderer>();
    }

    private void Update()
    {
        if (body.velocity.x > 0.1f)
        {
            flipTrans.localScale = flipTrans.localScale.With(x: 1f);
        }
        else if (body.velocity.x < -0.1f)
        {
            flipTrans.localScale = flipTrans.localScale.With(x: -1f);
        }
    }
}