ReaderAI.cs

public class ReaderAI : MonoBehaviour {

	public GameObject namePrefab, myNameOb, DropItem, myCrown, kill;
	private float radian, time, randomTime, randomRoteSpeed, goalAngle;
	public float raydistance, rotespeed, raydistanceSide, rayDiagonal, changeUp, changeRight, rayrote, calltimeForFreetime;
	public float speed;
	private float dropShortDis, dropDis;
	private Rigidbody2D myrb;
	private bool rightgo, downCount, rightCount, deadoneplay;
	private GameObject giveBirthChara, playerOb, migawari;
	private string myname, AiDirection;
	private Sprite mysp;
	[SerializeField] private int waruKazu, kimattakazu, randomGiveBirth;
	public int scoreCount, bornCount, randomMax;
	public List<GameObject> myChaceChara = new List<GameObject> ();
	public List<GameObject> Drops = new List<GameObject> ();
	private List<ChaceChara> ChaceSc = new List<ChaceChara> ();
	/*public Dictionary<GameObject,float> dropDictionary = new Dictionary<GameObject, float> ();*/
	private GameSceneManager gamema;
	private ChaceChara giveBirthChaceChara2;
	private TextMesh myChaceCharaCount, myNameDisplay;
	private Ray2D ray1, ray2, ray3, rayLeft, rayRight, rayDropSearch;
	private RaycastHit2D hit1, hit2, hit3, hitLeft, hitRight, hitDropSearch;
	private LayerMask layerMask, DropLayerMask;
	private Vector3 axis, diff;
	private ChaceChara chace;
	public SpriteRenderer myChildSpren;

	void Awake () {
		Declaration ();
	}

	void OnEnable () {
		onenableSengen ();
	}
	// Update is called once per frame
	void Update () {
		raycast ();
		AIBrain ();
		showScore ();
	}

	void FixedUpdate () {
		RotateByAiDirection ();
		move ();
	}

	void onenableSengen () {
		//リセットと宣言
		deadoneplay = true;
		DropItem = null;
		ChaceSc.Clear ();
		myChaceChara.Clear ();
		speed = 1.13f;
		scoreCount = 1;
		waruKazu = 1;
		kimattakazu = 10;
		AiDirection = "FreeTime";
		downCount = true;
		raydistance = Random.Range (1, 2); //2
		rayDiagonal = Random.Range (0.5f, 1.5f); //1.5
		raydistanceSide = Random.Range (0, 1); //1
		changeUp = 1f;
		changeRight = 1f;
		rotespeed = 10f;
		rayrote = 5f;
		myname = gameObject.name;
		if (myNameOb == null) {
			InstatiateName ();
		} else {
			myNameDisplay.text = myname;
			myNameOb.SetActive (true);
		}
		if (gamema.gamemode == "vs") {
			for (int i = 0; i < 2; i++) {
				GiveBirth ();
			}
		}
		if (gamema.gamemode == "score") {
			for (int i = 0; i < bornCount; i++) {
				GiveBirth ();
			}
		}
	}

	void Declaration () {
		myrb = GetComponent<Rigidbody2D> ();
		gamema = GameObject.FindGameObjectWithTag ("gamescene").GetComponent<GameSceneManager> ();
		mysp = GetComponent<SpriteRenderer> ().sprite;
		rightgo = true;
		layerMask = LayerMask.GetMask (new string[] { "Chacechara", "wall" });
		DropLayerMask = LayerMask.GetMask (new string[] { "DropItem" });
		playerOb = GameObject.FindGameObjectWithTag ("Player");
		transform.GetChild (0).name = myname;
		myChildSpren.sprite = mysp;
	}

	//rayをだして敵がいるかどうか検知するんだけど、自身にrayが触れないようにして検知しないようにする。
	void raycast () {
		rayDropSearch = new Ray2D (transform.position, transform.up * changeUp + transform.right * changeRight);
		rayLeft = new Ray2D (transform.position + transform.right * -0.1f, transform.up + transform.right * -3f); //0.1f,-3f
		ray1 = new Ray2D (transform.position + transform.up * 0.1f + transform.right * 0.1f, transform.up + transform.right * 0.5f); //0.1,0.1,0.5
		ray2 = new Ray2D (transform.position + transform.up * 0.2f, transform.up); //0.2
		ray3 = new Ray2D (transform.position + transform.up * 0.1f + transform.right * -0.1f, transform.up + transform.right * -0.5f); //0.1,-0.1,-0.5
		rayRight = new Ray2D (transform.position + transform.right * 0.1f, transform.up + transform.right * 3f); //0.1f,3f

		hitDropSearch = Physics2D.Raycast (rayDropSearch.origin, rayDropSearch.direction, 1.5f, DropLayerMask);
		hitLeft = Physics2D.Raycast (rayLeft.origin, rayLeft.direction, raydistanceSide, layerMask);
		hit1 = Physics2D.Raycast (ray1.origin, ray1.direction, rayDiagonal, layerMask);
		hit2 = Physics2D.Raycast (ray2.origin, ray2.direction, raydistance, layerMask);
		hit3 = Physics2D.Raycast (ray3.origin, ray3.direction, rayDiagonal, layerMask);
		hitRight = Physics2D.Raycast (rayRight.origin, rayRight.direction, raydistanceSide, layerMask);

		/*Debug.DrawRay (rayDropSearch.origin, rayDropSearch.direction * 2.5f, Color.blue);*/
		if (downCount == true) {
			changeUp -= Time.deltaTime * rayrote;
		}
		if (downCount == false) {
			changeUp += Time.deltaTime * rayrote;
		}
		if (changeUp < -1) {
			downCount = false;
		}
		if (changeUp > 1) {
			downCount = true;
		}
		if (rightCount == true) {
			changeRight -= Time.deltaTime * rayrote;
		}
		if (rightCount == false) {
			changeRight += Time.deltaTime * rayrote;
		}
		if (changeRight < -1) {
			rightCount = false;
		}
		if (changeRight > 1) {
			rightCount = true;
		}

		if (hitDropSearch.collider != null) {
			Drops.Add (hitDropSearch.collider.gameObject);
			/*Debug.DrawRay (rayDropSearch.origin, rayDropSearch.direction * 1.5f, Color.blue);*/
		}

		/*if (hitLeft.collider == null) {
			Debug.DrawRay (rayLeft.origin, rayLeft.direction * raydistanceSide, Color.green);
		}*/
		if (hitLeft.collider != null) {
			if (hitLeft.collider.gameObject.name != myname) {
				if (hitLeft.collider.tag == "wall" || hitLeft.collider.tag == "ChaceChara") {
					rightgo = false;
					AiDirection = "Turn";
					/*Debug.DrawRay (rayLeft.origin, rayLeft.direction * raydistanceSide, Color.red);*/
				}
			}
		}

		/*if (hit1.collider == null) {
			Debug.DrawRay (ray1.origin, ray1.direction * rayDiagonal, Color.green);
		}*/
		if (hit1.collider != null) {
			if (hit1.collider.gameObject.name != myname) {
				if (hit1.collider.tag == "wall" || hit1.collider.tag == "ChaceChara") {
					rightgo = true;
					AiDirection = "Turn";
					/*Debug.DrawRay (ray1.origin, ray1.direction * rayDiagonal, Color.red);*/
				}
			}
		}

		/*if (hit2.collider == null) {
			Debug.DrawRay (ray2.origin, ray2.direction * raydistance, Color.green);
		}*/
		if (hit2.collider != null) {
			if (hit2.collider.gameObject.name != myname) {
				if (hit2.collider.tag == "wall" || hit2.collider.tag == "ChaceChara") {
					/*int random = Random.Range (0, 2);
					if (random == 0) {
						rightgo = true;
					} else {
						rightgo = false;
					}*/
					AiDirection = "Turn";
					/*Debug.DrawRay (ray2.origin, ray2.direction * raydistance, Color.red);*/
				}
			}
		}
		/*
				if (hit3.collider == null) {
					Debug.DrawRay (ray3.origin, ray3.direction * rayDiagonal, Color.green);
				}*/
		if (hit3.collider != null) {
			if (hit3.collider.gameObject.name != myname) {
				if (hit3.collider.tag == "wall" || hit3.collider.tag == "ChaceChara") {
					rightgo = false;
					AiDirection = "Turn";
					/*Debug.DrawRay (ray3.origin, ray3.direction * rayDiagonal, Color.red);*/
				}
			}
		}

		/*if (hitRight.collider == null) {
			Debug.DrawRay (rayRight.origin, rayRight.direction * raydistanceSide, Color.green);
		}*/
		if (hitRight.collider != null) {
			if (hitRight.collider.gameObject.name != myname) {
				if (hitRight.collider.tag == "wall" || hitRight.collider.tag == "ChaceChara") {
					rightgo = true;
					AiDirection = "Turn";
					/*Debug.DrawRay (rayRight.origin, rayRight.direction * raydistanceSide, Color.red);*/
				}
			}
		}

	}

	void AIBrain () {
		//0.2秒ごとにFreeTimeにして曲がり続けるのをふせぐ
		time -= Time.deltaTime;
		if (time < 0) {
			time = Random.Range (0, 0.5f);
			rotespeed = Random.Range (7.5f, 12.5f);
			if (AiDirection == "Turn") {
				AiDirection = "FreeTime";
			}
		}
	}

	void RotateByAiDirection () {
		if (AiDirection == "Turn") {
			if (rightgo == true) {
				myrb.transform.Rotate (0, 0f, rotespeed);
			}
			if (rightgo == false) {
				myrb.transform.Rotate (0, 0f, rotespeed * -1);
			}
		}
		//もしrightとleftの時に0.1f毎にFreeTimeとなる。
		if (AiDirection == "FreeTime") {
			FreeTime ();
		}
	}

	void move () {
		/*transform.position = Vector2.Lerp (transform.position, transform.position + transform.up, Time.deltaTime);*/
		myrb.velocity = transform.up * speed;
	}

	//Dropを持っていない時にはランダム移動、持っているときには追いかける。
	void FreeTime () {
		/* calltimeForFreetime -= Time.deltaTime;
		if (calltimeForFreetime < 0) {
			calltimeForFreetime = 0.2f; */
		if (Drops.Count == 0) {
			//回転スピード（ゆるやかな回転）と何秒間（しばらくの間）その状態でいるのか決める。
			randomTime -= Time.deltaTime;
			if (randomTime < 0) {
				randomTime = Random.Range (0, 3f);
				randomRoteSpeed = Random.Range (-2, 2);
			}
			myrb.transform.Rotate (0, 0, randomRoteSpeed);
		}
		//DropItemを確認しておっけーなら追いかける。
		if (Drops.Count > 0) {
			dropShortDis = 10;
			//Dropsから整理して一番近いDropをDropItemとして出す。
			//まずDropsすべての距離を割り出して距離が小さいDropをDropItemにいれる。
			for (int i = 0; i < Drops.Count; i++) {
				dropDis = Vector2.Distance (Drops[i].transform.position, transform.position);
				if (Drops[i].activeSelf == true && Drops[i].tag == "DropChara" && dropDis < 6 && dropDis > 0.4f) {
					//もっとも小さい距離のDropをListから探す。
					if (dropShortDis > dropDis) {
						dropShortDis = dropDis;
						DropItem = Drops[i];
					}
				} else {
					Drops.RemoveAt (i);
				}
			}
			if (DropItem != null) {
				//DropItemに向かう処理
				/* float dropDistance = Vector2.Distance (DropItem.transform.position, myrb.transform.position); */
				//DropItemという目的地に向かって角度を調整する。
				diff = DropItem.transform.position - transform.position;
				axis = Vector3.Cross (transform.up, diff);
				goalAngle = Vector3.Angle (transform.up, diff) * (axis.z < 0 ? -1 : 1);
				//0度まで曲がり切るのを待つのと直進させない。
				if (goalAngle < -30) {
					myrb.transform.Rotate (0, 0f, -10f);
				}
				if (goalAngle > 30) {
					myrb.transform.Rotate (0, 0f, 10f);
				}
			}
		}
	}

	//ChaceCharaを生んで、ChaceCharaの設定をする。
	void GiveBirth () {
		if (scoreCount > kimattakazu) {
			waruKazu++;
			kimattakazu += 10;
		}
		if (scoreCount % waruKazu == 0) {
			giveBirthChara = gamema.GetChaceChara ();
			giveBirthChaceChara2 = giveBirthChara.GetComponent<ChaceChara> ();
			giveBirthChaceChara2.speed = this.speed;
			if (myChaceChara.Count == 0) {
				giveBirthChara.transform.position = this.gameObject.transform.position;
				giveBirthChaceChara2.target = this.gameObject;
			} else {
				giveBirthChara.transform.position = myChaceChara[myChaceChara.Count - 1].transform.position;
				giveBirthChaceChara2.target = myChaceChara[myChaceChara.Count - 1].gameObject;
			}
			giveBirthChara.name = myname;
			giveBirthChara.GetComponent<SpriteRenderer> ().sprite = mysp;
			giveBirthChara.SetActive (true);
			ChaceSc.Add (giveBirthChaceChara2);
			myChaceChara.Add (giveBirthChara);
		}
		scoreCount++;
	}

	void InstatiateName () {
		myNameOb = Instantiate (namePrefab, new Vector2 (-100, -100), transform.rotation);
		myNameOb.GetComponent<MyName> ().target = this.gameObject;
		myChaceCharaCount = myNameOb.transform.GetChild (0).GetComponent<TextMesh> ();
		myNameDisplay = myNameOb.transform.GetChild (1).GetComponent<TextMesh> ();
		myNameDisplay.text = myname;
		myCrown = myNameOb.transform.GetChild (2).gameObject;
		myCrown.SetActive (false);
		myNameOb.SetActive (true);
	}

	void showScore () {
		if (myChaceCharaCount != null) {
			/*int score = myChaceChara.Count + 1;*/
			myChaceCharaCount.text = scoreCount.ToString ();
		}
	}

	void OnTriggerEnter2D (Collider2D other) {
		if (other.tag == "DropChara") {
			chace = other.GetComponent<ChaceChara> ();
			if (chace.eaten == false) {
				chace.eatenbytarget = this.gameObject;
				chace.eaten = true;
				randomGiveBirth = Random.Range (1, 101);
				if (randomGiveBirth < randomMax) {
					randomGiveBirth = 1;
				} else {
					randomGiveBirth = 2;
				}
				for (int i = 0; i < randomGiveBirth; i++) {
					GiveBirth ();
				}
			}
		}

		if (other.gameObject.name != myname) {
			if (other.tag == "wall" || other.tag == "ChaceChara") {
				if (deadoneplay == true) {
					deadoneplay = false;
					if (other.name == playerOb.name) {
						//killと表示
						gamema.killcount++;
						/* gamema.killcounttext.text = gamema.killcount.ToString () + "kill"; */
						Instantiate (kill, transform.position + transform.up * -0.01f, Quaternion.Euler (0, 0, 0));
					}
					//リーダーの代わりをおく
					migawari = gamema.GetChaceChara ();
					migawari.transform.position = transform.position;
					migawari.GetComponent<SpriteRenderer> ().sprite = mysp;
					migawari.SetActive (true);
					//ChaceCharaをDropItemにする。
					for (int i = 0; i < myChaceChara.Count; i++) {
						myChaceChara[i].GetComponent<ChaceChara> ().target = null;
					}
					gamema._liveChara.Remove (this.gameObject);
					gamema.deadChara.Add (this.gameObject);
					myNameOb.SetActive (false);
					gameObject.SetActive (false);
				}
			}
		}
	}

}