1 package 
 2 {
 3     import flash.display.Sprite;
 4     import flash.events.Event;
 5     import flash.events.MouseEvent;
 6     import flash.text.TextField;
 7     import flash.text.TextFormat;
 8 
 9     /**
10     * @author vini 
11     * @ web  http://blog1.vini123.com
12     * @explanation  刚看了下键盘控制人物角色的行走，就想起用鼠标点击来实现。所以就总结了下这个。
13     */
14     [SWF(width = "720",height = "450",frameRate = '30',backgroundColor = "0x3366ee")]
15     public class Main extends Sprite
16     {
17         private var isDraw:Draw;
18         private var poArr:Array = [];
19         private var lock:Boolean = false;
20         private var txt:TextField;
21 
22 
23         public function Main():void
24         {
25             addEventListener(Event.ADDED_TO_STAGE,addtoStageHandler);
26         }
27 
28         private function addtoStageHandler(e:Event)
29         {
30             removeEventListener(Event.ADDED_TO_STAGE,addtoStageHandler);
31 
32             var txtFormat:TextFormat=new TextFormat();
33             txtFormat.size = 14;
34             txt=new TextField();
35             txt.setTextFormat(txtFormat);
36             txt.selectable = false;
37             txt.mouseEnabled = false;
38             txt.textColor = 0xff0000;
39             txt.width = stage.stageWidth - 20;
40             txt.multiline = true;
41             txt.x = 10;
42             txt.y = 20;
43             addChild(txt);
44 
45             isDraw = new Draw(this);
46             addChild(isDraw);
47             showMes(false,"请点击舞台：")
48             stage.addEventListener(MouseEvent.MOUSE_DOWN, mouseDownHandler);
49         }
50 
51         private function mouseDownHandler(e:MouseEvent)
52         {
53             poArr.push(e.stageX,e.stageY);
54             if (! lock)
55             {
56                 lock = true;
57                 isDraw.setCircle(poArr[0],poArr[1]);
58                 showMes(false,"选择起始点：坐标【" + poArr[0] + "," + poArr[1] + "】");
59             }
60             else if (lock)
61             {
62                 lock = false;
63                 var radian:Number = Math.atan2(poArr[3] - poArr[1],poArr[2] - poArr[0]);
64                 var angle:Number = radian / Math.PI * 180 + 180;
65                 poArr.push(int(angle));
66                 showMes(false,"",poArr);
67                 isDraw.drawLine(poArr[0],poArr[1],poArr[2],poArr[3]);
68                 poArr = [];
69             }
70         }
71         
72         public function showMes(ok:Boolean,str:String,arr:Array=null)
73         {
74             if (ok)
75             {
76                 txt.appendText(str);
77                 return;
78             }
79             if (str=="")
80             {
81                 txt.text = "人物从坐标：【" + arr[0] + "," + arr[1] + "】出发，欲要到达：【" + arr[2] + "," + arr[3] + "】，人物行走的角度是：" + arr[4];
82             }
83             else
84             {
85                 txt.text = str;
86             }
87 
88         }
89     }
90 }

 1 package 
 2 {
 3     import flash.display.Sprite;
 4     import flash.display.Shape;
 5     import flash.geom.Point;
 6     import com.greensock.TweenLite;
 7 
 8     public class Draw extends Sprite
 9     {
10         private var line:Shape;//线条
11         private var circle:Shape;//圆形
12         private var speed:Number = 30;//速度
13         private var _root;
14 
15         public function Draw(mc)
16         {
17             _root = mc;
18             line=new Shape();
19             circle=new Shape();
20 
21             addChild(line);
22             addChild(circle);
23             drawCircle();
24         }
25 
26         public function drawLine(begin_x,begin_y,end_x,end_y)
27         {
28             line.graphics.lineStyle(2,0xff0000,0.6);
29             line.graphics.moveTo(begin_x,begin_y);
30             line.graphics.lineTo(end_x,end_y);
31 
32             var targetPoint:Point = new Point(begin_x,begin_y);
33             var curPoint:Point = new Point(end_x,end_y);
34             var distance:Number = Point.distance(curPoint,targetPoint);
35             var timer:Number = distance / speed;
36             _root.showMes(true,("，走路需要时间约："+int(timer)));
37             trace("时间！");
38             TweenLite.to(circle,timer,{x:end_x,y:end_y,onComplete:onCompleteHandler});
39         }
40 
41         private function onCompleteHandler()
42         {
43             _root.showMes(false,"走路应完成");
44         }
45 
46         private function drawCircle()
47         {
48             circle.graphics.beginFill(0x00ff00,0.5);
49             circle.graphics.drawCircle(0,0,5);
50             circle.graphics.endFill();
51         }
52         public function setCircle(_x,_y)
53         {
54             line.graphics.clear();
55             TweenLite.killTweensOf(circle,true);
56             circle.x = _x;
57             circle.y = _y;
58         }
59     }
60 }