TopDownPlayer

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

public class TopDownPlayer : MonoBehaviour
{
    public float speed = 3f;

    private Rigidbody2D rb;
    private Animator animator;
    private SpriteRenderer sp;

    private Vector2 moveDirection, lastMoveDirection;

    // Start is called before the first frame update
    void Start()
    {
        rb = GetComponent<Rigidbody2D>();
        animator = GetComponent<Animator>();
        sp = GetComponent<SpriteRenderer>();
    }

    // Update is called once per frame
    void Update()
    {
        moveDirection.x = Input.GetAxisRaw(Constants.HorizontalInput);
        moveDirection.y = Input.GetAxisRaw(Constants.VerticalInput);

        moveDirection = moveDirection.normalized;

        animator.SetFloat("Speed", rb.velocity.sqrMagnitude);

        if (moveDirection.sqrMagnitude > 0f)
        {
            lastMoveDirection = moveDirection;
        }

        animator.SetFloat("X", lastMoveDirection.x);
        animator.SetFloat("Y", lastMoveDirection.y);
        sp.flipX = lastMoveDirection.x < 0f;
    }

    private void FixedUpdate()
    {
        rb.velocity = moveDirection * speed;
    }
}