State Machine Cant get to work - actionscript-3

Question

Learning to code so this might sound noobish...
Using Action Script
I am trying to make my Agents react to my segments so they run away.
So I need to connect part of my Main code to my Agent code
Here is my code :
Main.as
package
{
import agent.Agent;
import flash.display.Sprite;
import flash.display.MovieClip;
import flash.display.StageAlign;
import flash.display.StageScaleMode;
import flash.events.Event;
import flash.events.MouseEvent;
import flash.events.KeyboardEvent;
import flash.geom.Point;
import flash.display.Stage;
public class Main extends Sprite
{
private var score:Score;
private var count:int;
private var bleh: int = 0;
private var Agents:Vector.<Agent>;
private var segments:Array;
private var numSegments:uint = 20;
private var player:Point = new Point (200, 200)
private var friend:Agent = new Agent;
private var snakeHead:SnakeHead;
private var snakeTail:SnakeTail;
private var background: Sprite;
private var border: Bushes;
private var xVel: Number;
private var yVel: Number;
public function Main():void
{
xVel = 0;
yVel = 0;
if (stage) init();
else addEventListener(Event.ADDED_TO_STAGE, init);
}
private function init(e:Event = null):void
{
snakeHead = new SnakeHead();
snakeTail = new SnakeTail();
score = new Score();
border = new Bushes;
score.x = 11;
score.y = 14;
addChild(score);
stage.addChild(border);
count = 0;
addChildAt(snakeHead,0);
stage.align = StageAlign.TOP_LEFT;
stage.scaleMode = StageScaleMode.NO_SCALE;
segments = new Array();
for(var i:uint = 0; i < numSegments; i++)
{
var segment:Segment = new Segment (10, 20);
addChildAt(segment,0);
addChildAt(snakeTail,0);
segments.push(segment);
}
//updatePoint();
addEventListener(Event.ENTER_FRAME, onEnterFrame);
removeEventListener(Event.ADDED_TO_STAGE, init);
stage.scaleMode = StageScaleMode.NO_SCALE;
stage.align = StageAlign.TOP_LEFT;
// entry point
background = new LevelOne(); //creates the background
addChildAt(background,0);
Agents = new Vector.<Agent>();
addEventListener(Event.ENTER_FRAME, gameloop);
for (var x:int = 0; x < 3; x++)
{
var a:Agent = new Agent();
addChild(a);
Agents.push(a);
a.x = 400;
a.y = 300;
a.name = "Name"+x;
trace (x);
}
stage.addEventListener(MouseEvent.CLICK, createAgent);
stage.addEventListener(KeyboardEvent.KEY_DOWN, keyDown);
stage.addEventListener(KeyboardEvent.KEY_UP, keyUp);
}
private function createAgent(e:MouseEvent):void
{
var a:Agent = new Agent();
addChild(a);
Agents.push(a);
a.x = mouseX;
a.y = mouseY;
}
private function gameloop(evt:Event):void
{
for (var i:int = 0; i < Agents.length; i++)
{
Agents[i].update();
if (snakeHead.hitTestObject(Agents[i]))
{
//trace (Agents[i].name);
removeAgent(Agents[i]);
Agents.splice(i,1);
count ++;
score.lowercasetext.text = count.toString();
trace("count: " + count);
}
}
}
private function onEnterFrame(evt:Event):void
{
player.x += xVel;
player.y += yVel;
drag(snakeHead, player.x, player.y);
drag(segments[0], snakeHead.x, snakeHead.y);
for(var i:uint = 1; i < numSegments; i++)
{
var segmentA:Segment = segments[i];
var segmentB:Segment = segments[i - 1];
drag(segmentA, segmentB.x, segmentB.y);
var PlayerHalfWidth: Number = segments[i].width / 2;
var PlayerHalfHeight: Number = segments[i].height / 2;
if (segments[i].x + PlayerHalfWidth > stage.stageWidth) {
segments[i].x = stage.stageWidth - PlayerHalfWidth;
} else if (segments[i].x - PlayerHalfWidth < 0) {
segments[i].x = 0 + PlayerHalfWidth;
}
if (segments[i].y + PlayerHalfHeight > stage.stageHeight) {
segments[i].y = stage.stageHeight - PlayerHalfHeight;
}else if (segments[i].y - PlayerHalfHeight < 0) {
segments[i].y = 0 + PlayerHalfHeight;
}
var playerHalfWidth: Number = segments[i - 1].width / 2;
var playerHalfHeight: Number = segments[i - 1].height / 2;
if (segments[i - 1].x + playerHalfWidth > stage.stageWidth) {
segments[i - 1].x = stage.stageWidth - playerHalfWidth;
} else if (segments[i - 1].x - playerHalfWidth < 0) {
segments[i - 1].x = 0 + playerHalfWidth;
}
if (segments[i - 1].y + playerHalfHeight > stage.stageHeight) {
segments[i - 1].y = stage.stageHeight - playerHalfHeight;
}else if (segments[i - 1].y - playerHalfHeight < 0) {
segments[i - 1].y = 0 + playerHalfHeight;
}
}
drag(snakeTail, segments[19].x, segments[19].y);
var HeadHalfWidth: Number = snakeHead.width / 2;
var HeadHalfHeight: Number = snakeHead.height / 2;
if (snakeHead.x + HeadHalfWidth > stage.stageWidth) {
snakeHead.x = stage.stageWidth - HeadHalfWidth;
} else if (snakeHead.x - HeadHalfWidth < 0) {
snakeHead.x = 0 + HeadHalfWidth;
}
if (snakeHead.y + HeadHalfHeight > stage.stageHeight) {
snakeHead.y = stage.stageHeight - HeadHalfHeight;
}else if (snakeHead.y - HeadHalfHeight < 0) {
snakeHead.y = 0 + HeadHalfHeight;
}
//drag(segments[19], snakeTail.x, snakeTail.y);
/*for each (var a: Agent in Agents) {
a.update();
trace ("Follow me on Twitter.");
if(segments[0].hitTestObject(a))
{
trace("True");
trace(bleh + " " + "F*CKING HELL!");
trace(a.name);
stage.removeChild(Agents[1]);
}
}*/
}
private function removeAgent(a:Agent):void
{
a.parent.removeChild(a);
trace("Collision Detected!");
}
private function keyDown (evt: KeyboardEvent): void {
//87=w 68=d 83=s 65=a
if (evt.keyCode == 87)
{
player;
yVel = -5;
}
if (evt.keyCode == 83)
{
player;
yVel = 5;
}
if (evt.keyCode == 68)
{
player;
xVel = 5;
}
if (evt.keyCode == 65)
{
player;
xVel = -5;
}
//trace (player.x + " " + player.y);
trace (xVel + " " + yVel);
}
private function keyUp (evt: KeyboardEvent): void {
//87=w 68=d 83=s 65=a
if (evt.keyCode == 87)
{
player;
yVel = 0;
}
else if (evt.keyCode == 83)
{
player;
yVel = 0;
}
else if (evt.keyCode == 68)
{
player;
xVel = 0;
}
else if (evt.keyCode == 65)
{
player;
xVel = 0;
}
}
private function drag(segment:MovieClip, xpos:Number, ypos:Number):void
{
var dx:Number = xpos - segment.x;
var dy:Number = ypos - segment.y;
var angle:Number = Math.atan2(dy, dx);
segment.rotation = angle * 180 / Math.PI;
var w:Number = segment.getPin().x - segment.x;
var h:Number = segment.getPin().y - segment.y;
segment.x = xpos - w;
segment.y = ypos - h;
}
}
}
Agent.as
package agent
{
import agent.states.ChaseState;
import agent.states.ConfusionState;
import agent.states.FleeState;
import agent.states.IAgentState;
import agent.states.IdleState;
import agent.states.WanderState;
import flash.display.Graphics;
import flash.display.Shape;
import flash.display.Sprite;
import flash.geom.Point;
import flash.text.TextField;
import flash.text.TextFieldAutoSize;
import flash.text.TextFormat;
import flash.display.MovieClip;
import flash.events.*;
import Segment;
import Main;
public class Agent extends MovieClip
{
private var mouses:mouse;
public static const IDLE:IAgentState = new IdleState(); //Define possible states as static constants
public static const WANDER:IAgentState = new WanderState();
public static const CHASE:IAgentState = new ChaseState();
public static const FLEE:IAgentState = new FleeState();
public static const CONFUSED:IAgentState = new ConfusionState();
public var snake:Segment;
private const RAD_DEG:Number = 180 / Math.PI;
private var _previousState:IAgentState; //The previous executing state
private var _currentState:IAgentState; //The currently executing state
private var _pointer:Shape;
private var _tf:TextField;
public var velocity:Point = new Point();
public var speed:Number = 0;
public var fleeRadius:Number = 100; //If the mouse is "seen" within this radius, we want to flee
public var chaseRadius:Number = 50; //If the mouse is "seen" within this radius, we want to chase
public var numCycles:int = 0; //Number of updates that have executed for the current state. Timing utility.
public function Agent()
{
//Boring stuff here
_tf = new TextField();
_tf.defaultTextFormat = new TextFormat("_sans", 10);
_tf.autoSize = TextFieldAutoSize.LEFT;
_pointer = new Shape();
mouses = new mouse();
snake = new Segment(1, 1);
/*g.beginFill(0);
g.drawCircle(0, 0, 5);
g.endFill();
g.moveTo(0, -5);
g.beginFill(0);
g.lineTo(10, 0);
g.lineTo(0, 5);
g.endFill();*/
addChild(mouses);
addChild(_tf);
_currentState = IDLE; //Set the initial state
}
/**
* Outputs a line of text above the agent's head
* #param str
*/
public function say(str:String):void {
_tf.text = str;
_tf.y = -_tf.height - 2;
}
/**
* Trig utility methods
*/
public function get canSeeMouse():Boolean {
var dot:Number = snake.x * velocity.x + snake.y * velocity.y;
return dot > 0;
}
public function get distanceToMouse():Number {
var dx:Number = x - snake.x;
var dy:Number = y - snake.y;
return Math.sqrt(dx * dx + dy * dy);
}
public function randomDirection():void {
var a:Number = Math.random() * 6.28;
velocity.x = Math.cos(a);
velocity.y = Math.sin(a);
}
public function faceMouse(multiplier:Number = 1):void {
var dx:Number = snake.x - x;
var dy:Number = snake.y - y;
var rad:Number = Math.atan2(dy, dx);
velocity.x = multiplier*Math.cos(rad);
velocity.y = multiplier*Math.sin(rad);
}
/**
* Update the current state, then update the graphics
*/
public function update():void {
if (!_currentState) return; //If there's no behavior, we do nothing
numCycles++;
_currentState.update(this);
x += velocity.x*speed;
y += velocity.y*speed;
if (x + velocity.x > stage.stageWidth || x + velocity.x < 0) {
x = Math.max(0, Math.min(stage.stageWidth, x));
velocity.x *= -1;
}
if (y + velocity.y > stage.stageHeight || y + velocity.y < 0) {
y = Math.max(0, Math.min(stage.stageHeight, y));
velocity.y *= -1;
}
mouses.rotation = RAD_DEG * Math.atan2(velocity.y, velocity.x);
}
public function setState(newState:IAgentState):void {
if (_currentState == newState) return;
if (_currentState) {
_currentState.exit(this);
}
_previousState = _currentState;
_currentState = newState;
_currentState.enter(this);
numCycles = 0;
}
public function get previousState():IAgentState { return _previousState; }
public function get currentState():IAgentState { return _currentState; }
}
}