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

public class Controls : MonoBehaviour {
	public float speed;
	private Rigidbody rb;
	Vector3 movement;
	public float moveHorizontal;
	public float moveVertical;

	public Vector3 jump;
	public float jumpForce;

	public bool isGrounded = true;

	private float curLocX;
	private float prevLocX;
	private float curLocZ;
	private float prevLocZ;

	void Awake(){
		rb = GetComponent<Rigidbody> ();
		jump = new Vector3(0.0f, 2.0f, 0.0f);
	}

	void OnCollisionStay() {
		isGrounded = true;
	}

	void Move (float moveHorizontal, float moveVertical){

		InputListen ();

		movement.Set (moveHorizontal, 0f, moveVertical);

		movement = movement.normalized * speed * Time.deltaTime;

		rb.MovePosition (transform.position + movement);

		if (transform.position.x != prevLocX && isGrounded || transform.position.z != prevLocZ && isGrounded) {
			transform.rotation = Quaternion.Slerp (transform.rotation, Quaternion.LookRotation (movement), 0.15F);
		}

	}

	void FixedUpdate () {

		float moveHorizontal = Input.GetAxisRaw ("Horizontal");
		float moveVertical = Input.GetAxisRaw ("Vertical");
		Move (moveHorizontal, moveVertical);

		if (Input.GetKey (KeyCode.Space) && isGrounded == true) {
			rb.AddForce(jump * jumpForce, ForceMode.Impulse);
			isGrounded = false;
		}


	}

	private void InputListen() {
		prevLocX = curLocX;
		curLocX = transform.position.x;

		prevLocZ = curLocZ;
		curLocZ = transform.position.z;
	}
}