sing UnityEngine;
using System.Collections;

public class TopDownCharacterController_A7 : MonoBehaviour
{

	public Sprite idleSprite;
	public Sprite upSprite;
	public Sprite upLeftSprite;
	public Sprite upRightSprite;
	public Sprite downSprite;
	public Sprite downLeftSprite;
	public Sprite downRightSprite;
	public Sprite leftSprite;
	public Sprite rightSprite;

	private Transform transform;
	private Rigidbody2D rigidbody2D;
	private SpriteRenderer spriteRenderer;
	private AudioSource audioSource;
	public AudioSource leftFootAudioSource;
	public AudioSource rightFootAudioSource;
	public AudioSource collisionAudioSource;

	private float whatFootLastPlayed;
	private bool isRightFoot = true;

	void Start()
	{
		transform = GetComponent<Transform>();
		rigidbody2D = GetComponent<Rigidbody2D>();
		spriteRenderer = GetComponent<SpriteRenderer>();
		audioSource = GetComponent<AudioSource>();
	}

	void Update()
	{
		float speed = 2f;
		spriteRenderer.sprite = idleSprite;


		if(Input.GetKey(KeyCode.LeftShift) || Input.GetKey(KeyCode.RightShift))
		{
			speed = speed *2f;
			audioSource.pitch = 1.5f;
		}
		else
		{
			audioSource.pitch = 1f;
		}

		Vector3 retning = new Vector3(0f, 0f, 0f);

		if(Input.GetKey(KeyCode.UpArrow))
		{
			retning = retning + new Vector3(0f, 1f, 0f);
			spriteRenderer.sprite = upSprite;
		}

		if(Input.GetKey(KeyCode.UpArrow) && Input.GetKey(KeyCode.RightArrow))
		{
			spriteRenderer.sprite = upRightSprite;
		}

		if(Input.GetKey(KeyCode.UpArrow) && Input.GetKey(KeyCode.LeftArrow))
		{
			spriteRenderer.sprite = upLeftSprite;
		}

		if(Input.GetKey(KeyCode.DownArrow))
		{
			retning = retning + new Vector3(0f, -1f, 0f);
			spriteRenderer.sprite = downSprite;
		}

		if(Input.GetKey(KeyCode.DownArrow) && Input.GetKey(KeyCode.RightArrow))
		{
			spriteRenderer.sprite = downRightSprite;
		}

		if(Input.GetKey(KeyCode.DownArrow) && Input.GetKey(KeyCode.LeftArrow))
		{
			spriteRenderer.sprite = downLeftSprite;
		}

		if(Input.GetKey(KeyCode.RightArrow))
		{
			retning = retning + new Vector3(1f, 0f, 0f);
			spriteRenderer.sprite = rightSprite;
		}

		if(Input.GetKey(KeyCode.LeftArrow))
		{
			retning = retning + new Vector3(-1f, -0f, 0f);
			spriteRenderer.sprite = leftSprite;
		}

		retning.Normalize ();

		rigidbody2D.MovePosition(transform.position = transform.position + retning*speed * Time.deltaTime);

		//Vector3 retning = new Vector3 (0f, 0f, 0f);

		if(retning != new Vector3(0f, 0f, 0f))
		{
			if(!audioSource.isPlaying)
			{
				audioSource.Play();
			}
		}
		else
		{
			audioSource.Stop();
		}

		if(retning.magnitude > 0f)
		{
			if(whatFootLastPlayed <= 0f)
			{
				rightFootAudioSource.Play();
				whatFootLastPlayed = 0.5f;
			}
			else
			{
				whatFootLastPlayed = whatFootLastPlayed - Time.deltaTime;
			}
		}
		if(isRightFoot)
		{
			rightFootAudioSource.Play ();
			isRightFoot = false;
		}
		else
		{
			leftFootAudioSource.Play ();
			isRightFoot = true;
		}

	}

		void OnCollisionEnter2D (Collision2D OnCollision)
		{
			if(!collisionAudioSource.isPlaying)
			{
				collisionAudioSource.Play();
			}
		}

}