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

public class PlayerController : MonoBehaviour {

    public float moveSpeed;
    private float moveVelocity;
    public float jumpHeight;

    public Transform groundCheck;
    public float groundCheckRadius;
    public LayerMask whatIsGround;
    private bool grounded;

    private bool doubleJumped;

    private Animator anim;

    void Start()
    {
        anim = GetComponent<Animator>();
    }

    void FixedUpdate()
    {
        grounded = Physics2D.OverlapCircle(groundCheck.position, groundCheckRadius, whatIsGround);
    }



    void Update () {

        if (grounded)
        {
            doubleJumped = false;
        }

        anim.SetBool("Grounded", grounded);

        if (Input.GetKeyDown(KeyCode.Space) && grounded)
        {
            Jump();
        }

        if (Input.GetKeyDown(KeyCode.Space) && !doubleJumped && !grounded)
        {
            Jump();
            doubleJumped = true;
        }

        moveVelocity = 0f;

        if (Input.GetKey(KeyCode.D))
        {
            moveVelocity = moveSpeed;
        }

        if (Input.GetKey(KeyCode.A))
        {
            moveVelocity = -moveSpeed;
        }

        if (Input.GetKey(KeyCode.S))
        {
            anim.SetBool("Holding S", true);
        }

        if (Input.GetKeyUp(KeyCode.S))
        {
            anim.SetBool("Holding S", false);
        }

        GetComponent<Rigidbody2D>().velocity = new Vector2(moveVelocity, GetComponent<Rigidbody2D>().velocity.y);

        anim.SetFloat("Speed", Mathf.Abs(GetComponent<Rigidbody2D>().velocity.x));

    }

    public void Jump()
    {
        GetComponent<Rigidbody2D>().velocity = new Vector2(GetComponent<Rigidbody2D>().velocity.x, jumpHeight);
    }
}