using UnityEngine;
using System.Collections;

public class CharMove : MonoBehaviour {
   public float jump_force;
   public float speed_run;

   public Transform rayEnd1;
   public Transform rayEnd2;
   public Transform rayEnd3;

   public Transform pl;
   private bool isGround = true;
   private Vector3 moving;

   private Animator anim;
   private Rigidbody2D phys;
   void Start () {
    anim = GetComponent<Animator> ();
    phys = GetComponent<Rigidbody2D> ();
   }

   void FixedUpdate () {
    Movement ();
    Phys ();
    RayCasting ();
   }

   void Movement() {
    anim.SetBool("Run", false);
    if (Input.GetKey(KeyCode.D)) {     
     pl.transform.localPosition += (Vector3)Vector2.right * speed_run * Time.deltaTime;
     pl.transform.eulerAngles = new Vector2(0, 0);
     anim.SetBool("Run", true);
    }
    else if (Input.GetKey(KeyCode.A)) {
     pl.transform.localPosition -= (Vector3)Vector2.right * speed_run * Time.deltaTime;
     pl.transform.eulerAngles = new Vector2(0, 180);
     anim.SetBool("Run", true);
    }

    if (Mathf.Abs (pl.rotation.eulerAngles.z) >= 15 && Mathf.Abs (pl.rotation.eulerAngles.z) <= 345) {
     pl.transform.eulerAngles = new Vector3 (0, pl.transform.eulerAngles.y, 15);
     phys.fixedAngle = true;
    }
    else
     phys.fixedAngle = false;

   }
   void Phys() {
    anim.SetBool ("isGround", isGround);
    if (Input.GetKeyDown (KeyCode.Space) && isGround == true) {
     phys.AddForce (Vector2.up * jump_force, ForceMode2D.Impulse);
     anim.SetBool ("Jump", true);
    }   
    else if (isGround == true) {
     anim.SetBool ("Jump", false);
    }
    else {
     anim.SetBool ("Jump", true);
    }
   }

   void RayCasting() {
    isGround = Physics2D.Linecast (pl.transform.position, rayEnd1.position, 1 << LayerMask.NameToLayer("Ground"));
    if (isGround == false)
     isGround = Physics2D.Linecast (pl.transform.position, rayEnd2.position, 1 << LayerMask.NameToLayer("Ground"));
    if (isGround == false)
     isGround = Physics2D.Linecast (pl.transform.position, rayEnd3.position, 1 << LayerMask.NameToLayer("Ground"));
    Debug.DrawLine (pl.transform.position, rayEnd1.position, Color.blue);
    Debug.DrawLine (pl.transform.position, rayEnd2.position, Color.blue);
    Debug.DrawLine (pl.transform.position, rayEnd3.position, Color.blue);

   }
}