using UnityEngine;
using System.Collections;

public class PlayerController : MonoBehaviour {

    public float moveSpeed;
    private Rigidbody2D myRigidbody;
    public float jumpSpeed;

    public Transform groundCheck;
    public float groundCheckRadius;
    public LayerMask whatIsGround;

    public bool isGrounded;

    public bool onLadder;
    public float climbSpeed;
    private float climbVelocity;
    private float gravityStore;

	// Use this for initialization
	void Start () {
        myRigidbody = GetComponent<Rigidbody2D>();
        gravityStore = myRigidbody.gravityScale;
	}

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

        isGrounded = Physics2D.OverlapCircle(groundCheck.position, groundCheckRadius, whatIsGround);

        if (Input.GetAxisRaw("Horizontal") > 0f)
        {
            myRigidbody.velocity = new Vector3(moveSpeed, myRigidbody.velocity.y, 0f);
        } else if (Input.GetAxisRaw("Horizontal") < 0f)
        {
            myRigidbody.velocity = new Vector3(-moveSpeed, myRigidbody.velocity.y, 0f);
        } else
        {// to avoid sliding
            myRigidbody.velocity = new Vector3(0f, myRigidbody.velocity.y, 0f);
        }// jump
        if (Input.GetButtonDown("Jump") && isGrounded)
        {
            myRigidbody.velocity = new Vector3(myRigidbody.velocity.x, jumpSpeed, 0f);
        }
        if (onLadder)
        {
            myRigidbody.gravityScale = 0f;
            climbVelocity = climbSpeed * Input.GetAxisRaw("Vertical");
            myRigidbody.velocity = new Vector2(myRigidbody.velocity.x, climbVelocity);
        }
        if (!onLadder)
        {
            myRigidbody.gravityScale = gravityStore;
        }
        //kill

    }
    void OnTriggerEnter2D(Collider2D other)
    {
        if (other.tag == "KillPlane")
        {
            gameObject.SetActive(false);
        }
    }
}