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

public class CozmoMovement : MonoBehaviour
{
  
    public float m_Speed = 12f;                 // How fast the tank moves forward and back.
    public float m_TurnSpeed = 180f;            // How fast the tank turns in degrees per second.
  

    private string m_MovementAxisName;          // The name of the input axis for moving forward and back.
    private string m_TurnAxisName;              // The name of the input axis for turning.
    private Rigidbody m_Rigidbody;              // Reference used to move the tank.
    private float m_MovementInputValue;         // The current value of the movement input.
    private float m_TurnInputValue;             // The current value of the turn input.
  

    private void Awake()
    {
        m_Rigidbody = GetComponent<Rigidbody>();
    }


    private void OnEnable()
    {
        // When the tank is turned on, make sure it's not kinematic.
        m_Rigidbody.isKinematic = false;

        // Also reset the input values.
        m_MovementInputValue = 0f;
        m_TurnInputValue = 0f;
    }


    private void OnDisable()
    {
        // When the tank is turned off, set it to kinematic so it stops moving.
        m_Rigidbody.isKinematic = true;
    }


    private void Start()
    {
        // The axes names are based on player number.
        m_MovementAxisName = "Vertical"; 
        m_TurnAxisName = "Horizontal"; 
       
    }


    private void Update()
    {
        // Store the value of both input axes.
        m_MovementInputValue = Input.GetAxis(m_MovementAxisName);
        m_TurnInputValue = Input.GetAxis(m_TurnAxisName);       
    }
    

    private void FixedUpdate()
    {
        // Adjust the rigidbodies position and orientation in FixedUpdate.
        Move();
        Turn();
    }


    private void Move()
    {
        // Create a vector in the direction the tank is facing with a magnitude based on the input, speed and the time between frames.
        Vector3 movement = transform.forward * m_MovementInputValue * m_Speed * Time.deltaTime;

        // Apply this movement to the rigidbody's position.
        m_Rigidbody.MovePosition(m_Rigidbody.position + movement);
    }


    private void Turn()
    {
        // Determine the number of degrees to be turned based on the input, speed and time between frames.
        float turn = m_TurnInputValue * m_TurnSpeed * Time.deltaTime;

        // Make this into a rotation in the y axis.
        Quaternion turnRotation = Quaternion.Euler(0f, turn, 0f);

        // Apply this rotation to the rigidbody's rotation.
        m_Rigidbody.MoveRotation(m_Rigidbody.rotation * turnRotation);
    }

}