SADRavins Code Movement

using UnityEngine;
using System.Collections;

public class Controls : MonoBehaviour
{

    public PackedSprite playerSprite; // assign your sprite to this in Unity
    public float speed = 6.0F;
    //  public float jumpSpeed = 8.0F;
    public float gravity = 20.0F;
    private Vector3 moveDirection = Vector3.zero;


    void Update()
    {

        CharacterController controller = GetComponent<CharacterController>();


        if (controller.isGrounded)
        {
            moveDirection = new Vector3(Input.GetAxis("Horizontal"), 0, Input.GetAxis("Vertical"));
            moveDirection = transform.TransformDirection(moveDirection);
            moveDirection *= speed;


        //  if (Input.GetButton("Jump"))
        //        moveDirection.y = jumpSpeed;

        }
        moveDirection.y -= gravity * Time.deltaTime;
        controller.Move(moveDirection * Time.deltaTime);
        DetermineCurrentMoveDirection();
        }

        public void DetermineCurrentMoveDirection()
        {


            var forward = false;
            var backward = false;
            var left = false;
            var right = false;



        // move right
            if (moveDirection.x < 0.01f)
        {
            right = true;
        }

        // move left
        else if(moveDirection.x > -0.01f)
        {
            left = true;
        }

        // move up
        else if(moveDirection.z > 0.01f)
        {
            forward = true;
        }

        // move down
        else if(moveDirection.z < -0.01f)
        {
            backward = true;
        }
        else
            {
            forward = false;
            backward = false;
            left = false;
            right = false;
            }


        // move right
        if (right == true)
        {
            playerSprite.PlayAnim(3);
        }

        // move left
        if (left == true)
        {
            playerSprite.PlayAnim(2);
        }

        // move up
        if (forward == true)
        {
            playerSprite.PlayAnim(0);
        }

        // move down
        if (backward == true)
        {
            playerSprite.PlayAnim(1);
        }
    }



}