using UnityEngine;
using System.Collections;
public class moster_AI : MonoBehaviour {
public const int AI_Null = 10;
public const int AI_Idle = 0;
public const int AI_Patrol =1;
public const int AI_Pursuit =2;
public const int AI_Attack = 3;
public const int AI_Attack_Idle = 4;
public const int AIA_BackPoint = 5;
public const int Dead = 6;
public const float followUpDistance = 3.0f;
public const float attackDistance = 2.0f;
public const float vAttackDeltaTime = 1.0f;
public const float maxFollow = 20.0f;
public const float speed = 2.0f;
public const float runSpeed = 3.0f;
public const float vEscapeSpeed = 6.0f;
public Rect vRect = new Rect(0,0,10,10);
public Vector2 Dis;
public Vector2 srcPoint;
//出生坐标
public GameObject player;
public int vStartState;
public int vLostState;
// Use this for initialization
void Start () {
vStartState = AI_Idle;
vLostState = AI_Null;
srcPoint = new Vector2(transform.position.x,transform.position.z);
player = GameObject.Find("Fighter");
}
// Update is called once per frame
bool Living;
void Update () {
switch (vStartState) {
case AI_Idle:
if (vStartState != vLostState)
{
animation.CrossFade("Idel");
vLostState = vStartState;
Debug.Log("1"); }
fGetPatrolPosition();
vStartState = AI_Patrol;
break;
case AI_Patrol:
if (vStartState != vLostState)
{
animation.CrossFade("Run");
vLostState = vStartState;
Debug.Log("2"); }
fPatrovRect();
if(Vector2.Distance(Dis,new Vector2(transform.position.x,transform.position.z))<0.4f)
{
//Debug.Log("没进来？");
vStartState = AI_Idle;
}
if (Vector3.Distance(transform.position, player.transform.position) < followUpDistance)
{
vStartState = AI_Pursuit;
}
break;
case AI_Pursuit:
if (vStartState != vLostState)
{
animation.CrossFade("Attack02");
vLostState = vStartState;
Debug.Log("3");
}
fPursuitHero();
if (Vector3.Distance(new Vector3(srcPoint.x, transform.position.y, srcPoint.y), transform.position) > maxFollow && Vector3.Distance(transform.position, player.transform.position) > followUpDistance)
{
vStartState = AIA_BackPoint;
}
if (Vector3.Distance(transform.position, player.transform.position) < attackDistance)
{
vStartState = AI_Attack;
}
break;
case AI_Attack:
if (vStartState != vLostState)
{
vLostState = vStartState;
Debug.Log("4");
}
fAttackHero();
if (Time.time - backUptime >= 0.2f)
{
backUptime = Time.time;
vStartState = AI_Attack_Idle;
}
break;
case AI_Attack_Idle:
if (vStartState != vLostState)
{
animation.CrossFade("Idel");
vLostState = vStartState;
}
vStartState = AI_Pursuit;
break;
case AIA_BackPoint:
if (vStartState != vLostState)
{
animation.CrossFade("Run");
vLostState = vStartState;
}
fBackPoint();
if (Vector2.Distance(srcPoint,new Vector2( transform.position.x, transform.position.z) )< 1)
{
vStartState = AI_Idle;
}
break;
case Dead: //死亡的状态
//if(Living==true)
// {
//Living=false;
//gameObject.SetActive(false);
animation.CrossFade("AirBeaten");
Destroy(gameObject,1.5f); //3秒后游戏对象销毁
//}
break;
}
} private void fBackPoint()
{ transform.LookAt(new Vector3(srcPoint.x, transform.position.y, srcPoint.y));
transform.Translate(Vector3.forward*vEscapeSpeed*Time.deltaTime);
}
public float backUptime; //备份时间
private void fAttackHero()
{
//Debug.Log("我攻击到你了！！！");
if (Time.time - backUptime > 1) {
player.SendMessage ("BeAttack");
backUptime=Time.time;
}
}
private void fPursuitHero()
{ transform.LookAt(player.transform.position);
transform.Translate(Vector3.forward * runSpeed * Time.deltaTime);
//transform.Translate(Vector3.forward * vEscapeSpeed * Time.deltaTime);
}
private void fPatrovRect()
{
transform.LookAt(new Vector3(Dis.x,transform.position.y,Dis.y));
transform.Translate(Vector3.forward * speed * Time.deltaTime);
}
private void fGetPatrolPosition()
{
Vector2 vCur;
do
{
float minX = srcPoint.x - vRect.width / 2;
float minY = srcPoint.y - vRect.height / 2;
float maxX = srcPoint.x + vRect.width / 2;
float maxY = srcPoint.y + vRect.height / 2;
float disX = Random.Range(minX, maxX);
float disY = Random.Range(minY, maxY);
Dis = new Vector2(disX, disY);
vCur = new Vector2(transform.position.x,transform.position.z);
} while (Vector2.Distance(Dis,vCur) < 5);
}
public float HP=3;
//接受来自主角的杀怪消息
public void BeAttackMoster()
{
Debug.Log("我被你杀了！！！"); //接受来自主角的杀怪消息
if(HP>0)
{
HP--;
Debug.Log(gameObject.name+" HP:"+HP);
}
else
{
Debug.Log(gameObject+" 死亡");
vStartState=Dead;
}
}
}
