Unity PlayerController

PlayerController

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

public class PlayerController : MonoBehaviour {

	public float speed;
	public float jumpForce;
	private float moveInput;

	private Rigidbody2D rb;

	private bool facingRight = true;	//mirada

	//Jump
	private bool isGrounded;
	public Transform groundCheck;
	public float checkRadius;
	public LayerMask whatIsGround;

	//More jumps
	private int extraJumps;
	public int extraJumpsValue;

	//
	public Collider2D groundCollider;

	// Start is called before the first frame update
	void Start() {
		extraJumps = extraJumpsValue;
		rb = GetComponent<Rigidbody2D>();
		
	}

	private void FixedUpdate() {
		//Detect Ground
		
		isGrounded = Physics2D.OverlapCircle(
			groundCheck.position,
			checkRadius,
			whatIsGround
		);
		

	  //isGrounded =	groundCollider.IsTouchingLayers(whatIsGround);

		//Move
		moveInput = Input.GetAxis("Horizontal");
		//print(moveInput);
		rb.velocity = new Vector2(moveInput * speed, rb.velocity.y);
		
		if (facingRight == false && moveInput > 0){
			Flip();
		}
		else if( facingRight == true && moveInput < 0 ){
			Flip();
		}


		//other
		//Debug.Log(groundCollider.IsTouchingLayers(whatIsGround));


	}

	// Update is called once per frame
	void Update() {

		if (isGrounded == true)	{
			extraJumps = extraJumpsValue;
		}

		if (Input.GetButtonDown("Jump") && extraJumps > 0 )	{
			rb.velocity = Vector2.up * jumpForce;
			extraJumps--;
		}
		else if (Input.GetButtonDown("Jump") && extraJumps == 0 && isGrounded == true )	{
			rb.velocity = Vector2.up * jumpForce;
		}

	}

	//https://youtu.be/QGDeafTx5ug?list=PLETTKWteqrbbkTU4mAgpfaxrxJuT5iVS7
	void Flip(){
		facingRight = !facingRight;
		Vector3 Scaler = transform.localScale;
		Scaler.x *= -1;
		transform.localScale = Scaler;
	}

	//Radius for detect ground of OverlapCircle
	//https://youtu.be/-T-wq3JQSKc?list=PLETTKWteqrbbkTU4mAgpfaxrxJuT5iVS7
	private void OnDrawGizmosSelected() {
		Gizmos.color = Color.red;
		Gizmos.DrawWireSphere(groundCheck.position, checkRadius);	
	}

}