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

public class Ball : MonoBehaviour {

	public float moveSpeed;
	private Rigidbody rb;
	public AudioClip coinGet;
	public float jumpSpeed;
	private bool isJumping = false;
	private int coinCount = 0;

	// ★追加
	public GameObject target;

	void Start () {
		rb = GetComponent<Rigidbody>();
	}

	void Update () {
		float moveH = Input.GetAxis("Horizontal");
		float moveV = Input.GetAxis("Vertical");
		Vector3 movement = new Vector3(moveH, 0, moveV);
		rb.AddForce(movement * moveSpeed);

		if(Input.GetButtonDown("Jump") && isJumping == false){
			rb.velocity = Vector3.up * jumpSpeed;
			isJumping = true;
		}
	}

	void OnTriggerEnter(Collider other){

		if(other.CompareTag("Coin")){
			Destroy(other.gameObject);
			AudioSource.PlayClipAtPoint(coinGet ,transform.position);
			coinCount += 1;


			// ★追加
			if(coinCount == 2){
				// （ポイント）
				// SetActive()メソッドはオブジェクトをアクティブ／非アクティブ状態にすることができる。
				target.SetActive(true);
			}

			if(coinCount == 4)
				SceneManager.LoadScene("GameClear");
		}
	}
		
	public int Coin(){
		return coinCount;
	}

	void OnCollisionEnter(Collision other){
		if(other.gameObject.CompareTag("Floor")){
			isJumping = false;
		}
	}
}