using System.Collections;

using System.Collections.Generic;

using UnityEngine;

​

[RequireComponent(typeof(Rigidbody2D))]

public class PlayerController : MonoBehaviour

{

    public enum Directions

    {

        Up,

        Down, 

        Left, 

        Right

    }

    public Directions currentDirection;

    public Animator animator;

​

    Rigidbody2D rb;

​

    private float horizontal;

    private float vertical;

    [SerializeField] private float moveSpeed;

​

​

    private void Awake()

    {

        rb = GetComponent<Rigidbody2D>();

    }

​

    private void Update()

    {

        CheckInputs();

        Animations();

    }

​

    private void FixedUpdate()

    {

        Move();

    }

​

    void Move()

    {

        rb.velocity = new Vector2(horizontal, vertical) * moveSpeed;

    }

​

​

    void CheckInputs()

    {

        if (Input.GetKey(KeyCode.W))

        {

            //cima

            horizontal = 0f;

            vertical = 1f;

            currentDirection = Directions.Up;

​

        }

        else if (Input.GetKey(KeyCode.S))

        {

            //baixo

            horizontal = 0f;

            vertical = -1f;

            currentDirection = Directions.Down;

​

        }

        else if (Input.GetKey(KeyCode.D))

        {

            //direita

            horizontal = 1f;

            vertical = 0f;

            currentDirection = Directions.Right;

​

        }

        else if (Input.GetKey(KeyCode.A))

        {

            //esquerda

            horizontal = -1f;

            vertical = 0f;

            currentDirection = Directions.Left;

        }

        else

        {

            //parado

            horizontal = 0f;

            vertical = 0f;

​

        }

    }

​

    void Animations()

    {

        if(horizontal != 0f || vertical != 0f)        

            animator.SetBool("walking", true);        

        else

            animator.SetBool("walking", false);

​

        switch (currentDirection)

        {

            case Directions.Up:

                animator.SetFloat("horizontal", 0f);

                animator.SetFloat("vertical", 1f);

                break;

​

            case Directions.Down:

                animator.SetFloat("horizontal", 0f);

                animator.SetFloat("vertical", -1f);

                break;

​

            case Directions.Left:

                animator.SetFloat("horizontal", -1f);

                animator.SetFloat("vertical", 0f);

                break;

​

            case Directions.Right:

                animator.SetFloat("horizontal", 1f);

                animator.SetFloat("vertical", 0f);

                break;

​

        }

    }

​

}

​