AI.js

var speed = 3.0;              //速度
var rotationSpeed = 5.0;           //旋转速度
var shootRange = 20.0;           //判断周围F的队列
var attackRange = 50.0;           //攻击队列
var shootAngle = 4.0;            //发射角度
var dontComeCloserRange = 5.0;        //结束范围
var delayShootTime = 0.45;            //延迟的时间
private var pickNextWaypointDistance = 0.0;    //获取下一个路点的距离
var maxstop = 3;             //停止
var target : Transform;            //目标的坐标点
var command : String = "Stay";         //停止的动作
private var lastShot = -10.0;         //最后的发射
private var controller;            //控制器

// Make sure there is always a character controller
@script RequireComponent (CharacterController)

function Start () {
    waypointPosition = transform.position;       //路点位置等于当前人物的位置
    command = "Stay";             //动画是停留
    controller = GetComponent (CharacterController);   //获取控制器

    Patrol();                 //巡逻函数
    yield WaitForSeconds (Random.value*0.5);     //等待随机一个时间
    while (true) {              //无限循环
        FindPoint (curpoint);           //搜索路点
        yield WaitForSeconds (0.2);           //等待0.2秒
    }
}
private var waypointPosition : Vector3;      //路点位置
var cst = false;
var points : Vector3[];            //点的数 组
var curpoint = 0;              //坏点
private var move_margin = 3.5;        //移动距离
function Update () {
    //Debug.color = Color.blue;
    Debug.DrawLine (transform.position, waypointPosition, Color.blue);   //当前人物向路点发射一条蓝光
}

function SetPoints (newPoints : Vector3[]) {
    points = newPoints;            //新的坐标点
    FindPoint (0);              //传入FindPoint一个0的值
    command = "Walk";            //动画为走路
}

function FindPoint (cpoint : int) {
curpoint = cpoint;            //把cpoint的值给curpoint
if (!points || points.length == 0 || curpoint >= points.length) {   //
    waypointPosition = transform.position;     //把当前位置给路点的位置
    Stop ();               //停止函数
    return;               //退出此函数
}
if (points.length == 1) {          //点数组的长度为一时
    waypointPosition = points[0];        //把点数组的第一个值给路点
    command = "Walk";           //步行的动作
    return;               //退出此函数
}
command = "Walk";            //步行的动作
waypointPosition = points[curpoint];      //点数组的curpoint值给路点
p = waypointPosition;           //p的位置等于路点的位置
p.y = transform.position.y;         //p的y坐标等于人物的y坐标值
if (Vector3.Distance (transform.position,p) < dontComeCloserRange) {     //人物的坐标与p点的距离小于不到达关闭的范围
    curpoint++;                     //curpoint的值加加
    }
}
function Patrol () {             //巡逻函数
    //var curWayPoint = AutoWayPoint.FindClosest(transform.position);
    while (true) {
        if (command == "Walk") {         //步行动画
            MoveTowards(waypointPosition);     //面向路点的位置
        }
        yield;
    }
}

function Stop () {                       //停止函数
    command = "Stay";                      //停留的动画
    SendMessage("SetSpeed", 0.0, SendMessageOptions.DontRequireReceiver);   //发0.0给的SetSpeed函数
}

function RotateTowards (position : Vector3) {              //旋转方向
    SendMessage("SetSpeed", 0.0);                  //发给有一个SetSpeed参数的函数
    var direction = position – transform.position;             //方向
    direction.y = 0;                       //方向的Y坐标的值为0
    if (direction.magnitude < 0.1)                  //方向的大小小于0.1返回
    return;

    // Rotate towards the target
    transform.rotation = Quaternion.Slerp (transform.rotation, Quaternion.LookRotation(direction), rotationSpeed * Time.deltaTime); //旋转插值
    transform.eulerAngles = Vector3(0, transform.eulerAngles.y, 0);       //人物的角
}

function MoveTowards (position : Vector3) {              //移动瞧向
    var direction = position – transform.position;             //瞧向传入的位置的方向
    direction.y = 0;                       //向量的y=0
    if (direction.magnitude <0.5) {                  //向量的范围小于0.5
        Stop ();                         //执行停止函数
        return;                         //退出此函数
    }
    // Rotate towards the target
    transform.rotation = Quaternion.Slerp (transform.rotation, Quaternion.LookRotation(direction), rotationSpeed * Time.deltaTime); //当前点的向量向看的方向的向量的插值步长是每秒rotationSpeed
    transform.eulerAngles = Vector3(0, transform.eulerAngles.y, 0);              //当前的角

    // Modify speed so we slow down when we are not facing the target             因此，我们修改的速度减慢，当我们没有面对目标
    var forward = transform.TransformDirection(Vector3.forward);              //把人物前方的方向转换为世界坐标上的方向
    var speedModifier = Vector3.Dot(forward, direction.normalized);              //人物前面为正人物后面为负
    speedModifier = Mathf.Clamp01(speedModifier);                   //转换为0到1之间的值

    // Move the character
    direction = forward * speed * speedModifier;                    //移动的速度
    controller.SimpleMove(direction);                        //移动

    SendMessage("SetSpeed", speed * speedModifier, SendMessageOptions.DontRequireReceiver);          //发给SetSpeed的函数
}