Touchlib源码注释
Touchlib源码注释-----TUIOObject.as TUIOEvent.as TUIOCursor.as
分类： Flex/Flash/AS3 OpenSource 2010-01-05 11:31 1113人阅读 评论(2) 收藏 举报
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本文链接：http://blog.csdn.net/li_007/archive/2010/01/05/5134270.aspx
开拓进取的小乌龟------->CSDN点滴点点滴滴Blog
还是继续把剩余的整理贴出来。欢迎大家指正。
TUIO.as文件详细注释
TUIOObject.as文件详细注释
TUIOEvent.as文件详细注释
TUIOCursor.as文件详细注释
TUIOObject.as文件
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package com.touchlib {
import flash.display.Sprite;
import flash.display.DisplayObject;
//import flash.display.InteractiveObject;
//import flash.display.MovieClip;
import flash.geom.Point;
//import flash.utils.Timer;
//import flash.events.MouseEvent;
//import flash.events.Event;
//
// 定义一个触摸点类，其实在这个类里面注意一下传进来的参数o
// 它是这个类的一个关键，也是整个lib的一个关键，由它来dispatcher
// 所有的touch事件，当然也是它来响应touch事件
//
public class TUIOObject
{
public var x:Number;
public var y:Number;
public var oldX:Number;
public var oldY:Number;
public var dX:Number;
public var dY:Number;
public var area:Number;
public var TUIOClass:String; // cur or Obj..
public var sID:int;
public var ID:int;
public var angle:Number;
public var pressure:Number;
private var isNew:Boolean;
public var isAlive:Boolean;
public var obj;
public var spr:Sprite;
public var trlx:Sprite;
public var color:int;
var aListeners:Array;
public function TUIOObject (cls:String, id:int, px:Number, py:Number, dx:Number, dy:Number, sid:int = -1, ang:Number = 0, o = null)
{
aListeners = new Array();
TUIOClass = cls;
ID = id;
x = px;
y = py;
oldX = px;
oldY = py;
dX = dx;
dY = dy;
sID = sid;
angle = ang;
isAlive = true;
var c = int(Math.random() * 4);
if(c == 0)
color = 0xff0000;
else if(c == 1)
color = 0x00ffff;
else if(c == 2)
color = 0x00ff00;
else if(c == 3)
color = 0x0000ff;
// 创建调试的光标，当debugMode为true事，绘制一个粉红色的圆
spr = new TUIOCursor(ID.toString());
spr.x = x;
spr.y = y;
try {
obj = o;
} catch (e)
{
obj = null;
}
//trace("Start " + ID + ", " + sID + " (" + int(px) + "," + int(py) + ")");
isNew = true;
}
//
// 当第一次创建一个TUIOObject对象时，需要发送TUIO_DOWN和TUIO_OVER事件
//
public function notifyCreated()
{
if(obj)
{
try
{
// 将对象舞台坐标转化为显示对象坐标
var localPoint:Point = obj.parent.globalToLocal(new Point(x, y));
//trace("Down : " + localPoint.x + "," + localPoint.y);
// 分别dispatcher TUIO_OVER和TUIO_DOWN事件
obj.dispatchEvent(new TUIOEvent(TUIOEvent.TUIO_OVER, true, false, x, y, localPoint.x, localPoint.y, 0, 0, obj, false,false,false, true, 0, TUIOClass, ID, sID, angle));
obj.dispatchEvent(new TUIOEvent(TUIOEvent.TUIO_DOWN, true, false, x, y, localPoint.x, localPoint.y, 0, 0, obj, false,false,false, true, 0, TUIOClass, ID, sID, angle));
} catch (e)
{
trace("Failed : " + e);
// trace(obj.name);
obj = null;
}
}
}
// 调用这个函数，说明在TUIOObject数组中存在当前点，也即是当前点移动了。
public function setObjOver(o:DisplayObject)
{
try {
if(obj == null)
{
obj = o;
if(obj)
{
// 当已存在TUIOObject对象，而obj对象为空时，需要将当前对象传递进来的显示对象
//（也即是当前点下面最上层显示对象，是事件的发送者，事件也是产生于它），故需要
// 赋值给obj对象，并dispatcher TUIO_OVER事件
var localPoint:Point = obj.parent.globalToLocal(new Point(x, y));
obj.dispatchEvent(new TUIOEvent(TUIOEvent.TUIO_OVER, true, false, x, y, localPoint.x, localPoint.y, 0, 0, obj, false,false,false, true, 0, TUIOClass, ID, sID, angle));
}
}
else if(obj != o)
{
// 当已存在TUIOObject对象，而obj对象与传递进来的显示对象不一致，说明当前点移动了，并且移出了
// 原来的obj对象的显示范围，故需要对原来对象dispatcher TUIO_OUT事件
var localPoint:Point = obj.parent.globalToLocal(new Point(x, y));
obj.dispatchEvent(new TUIOEvent(TUIOEvent.TUIO_OUT, true, false, x, y, localPoint.x, localPoint.y, 0, 0, obj, false,false,false, true, 0, TUIOClass, ID, sID, angle));
if(o)
{
// 当已存在TUIOObject对象，而obj对象与传递进来的显示对象不一致,并且传递进来的也是非空显示对象，
// 说明当前点移动了，并且移出了原来的obj对象的显示范围，故需要对当前对象dispatcher TUIO_OVER事件
localPoint = obj.parent.globalToLocal(new Point(x, y));
o.dispatchEvent(new TUIOEvent(TUIOEvent.TUIO_OVER, true, false, x, y, localPoint.x, localPoint.y, 0, 0, obj, false,false,false, true, 0, TUIOClass, ID, sID, angle));
}
obj = o;
}
} catch (e)
{
// trace("ERROR " + e);
}
}
// 将所有需要dispatcher的TUIOObject对象添加到数值中
public function addListener(reciever:Object)
{
aListeners.push(reciever);
}
// 从数组中删除非alive状态的TUIOObject对象
public function removeListener(reciever:Object)
{
for(var i:int = 0; i<aListeners.length; i++)
{
if(aListeners[i] == reciever)
aListeners.splice(i, 1);
}
}
public function kill()
{
//trace("Die " + ID);
var localPoint:Point;
if(obj && obj.parent)
{
// 将当前TUIOObject对象中的显示对象清除，并让当前点dispatcher TUIO_OUT和TUIO_UP事件
localPoint = obj.parent.globalToLocal(new Point(x, y));
obj.dispatchEvent(new TUIOEvent(TUIOEvent.TUIO_OUT, true, false, x, y, localPoint.x, localPoint.y, 0, 0, obj, false,false,false, true, 0, TUIOClass, ID, sID, angle));
obj.dispatchEvent(new TUIOEvent(TUIOEvent.TUIO_UP, true, false, x, y, localPoint.x, localPoint.y, 0, 0, obj, false,false,false, true, 0, TUIOClass, ID, sID, angle));
}
obj = null;
// 为什么要所有都TUIO_UP有点不理解
for(var i:int=0; i<aListeners.length; i++)
{
localPoint = aListeners[i].parent.globalToLocal(new Point(x, y));
aListeners[i].dispatchEvent(new TUIOEvent(TUIOEvent.TUIO_UP, true, false, x, y, localPoint.x, localPoint.y, 0, 0, aListeners[i], false,false,false, true, 0, TUIOClass, ID, sID, angle));
}
}
// 这个有点不理解
public function notifyMoved()
{
var localPoint:Point;
for(var i:int=0; i<aListeners.length; i++)
{
//trace("Notify moved");
localPoint = aListeners[i].parent.globalToLocal(new Point(x, y));
aListeners[i].dispatchEvent(new TUIOEvent(TUIOEvent.TUIO_MOVE, true, false, x, y, localPoint.x, localPoint.y, 0, 0, aListeners[i], false,false,false, true, 0, TUIOClass, ID, sID, angle));
}
}
}
}
}
TUIOEvent.as文件
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package com.touchlib {
import flash.display.DisplayObject;
import flash.display.DisplayObjectContainer;
import flash.events.Event;
public class TUIOEvent extends Event
{
public var TUIOClass:String;
public var sID:int;
public var ID:int;
public var angle:Number;
public var stageX:Number;
public var stageY:Number;
public var localX:Number;
public var localY:Number;
public var oldX:Number;
public var oldY:Number;
public var buttonDown:Boolean;
public var relatedObject:DisplayObject;
public static const TUIO_MOVE:String = "com.touchlib.TUIOEvent.TUIO_MOVE";
public static const TUIO_DOWN:String = "com.touchlib.TUIOEvent.TUIO_DOWN";
public static const TUIO_CLICK:String = "com.nui.TUIOEvent.TUIO_CLICK"; //double tap-click
public static const TUIO_UP:String = "com.touchlib.TUIOEvent.TUIO_UP";
public static const TUIO_OVER:String = "com.touchlib.TUIOEvent.TUIO_OVER";
public static const TUIO_OUT:String = "com.touchlib.TUIOEvent.TUIO_OUT";
// 根据Actionscript 3的继承机制，编写自己的事件类
public function TUIOEvent(type:String, bubbles:Boolean = false, cancelable:Boolean = false, stageX:Number = 0, stageY:Number = 0, localX:Number = 0, localY:Number = 0, oldX:Number = 0, oldY:Number = 0, relatedObject:DisplayObject = null, ctrlKey:Boolean = false, altKey:Boolean = false, shiftKey:Boolean = false, buttonDown:Boolean = false, delta:int = 0, TUIOClass:String = "2Dcur", ID:int = -1, sID:int = -1, angle:Number = 0.0)
{
this.TUIOClass = TUIOClass;
this.sID = sID;
this.ID = ID;
this.angle = angle;
this.stageX = stageX;
this.stageY = stageY;
this.localX = localX;
this.localY = localY;
this.oldX = oldX;
this.oldY = oldY;
this.buttonDown = buttonDown;
this.relatedObject = relatedObject;
super(type, bubbles, cancelable);
// super(type, bubbles, cancelable, localX, localY, relatedObject, ctrlKey, altKey, shiftKey, buttonDown, delta);
}
}
}
TUIOCursor.as文件
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package com.touchlib
{
import flash.display.Sprite;
import flash.text.TextFormat;
import flash.text.TextField;
import flash.text.TextFieldAutoSize;
// 此类的作用是在调试状态下，绘制一个粉红色的圆来表示当前触摸点
public class TUIOCursor extends Sprite
{
// 声明一个动态文本用来显示当前触摸点的id
private var DEBUG_TEXT:TextField;
public function TUIOCursor(debugText:String)
{
super();
if (TUIO.debugMode)
{
// Draw us the lil' circle
graphics.beginFill(0xFF00FF , 1);
graphics.drawCircle(-5 , -5, 10);
graphics.endFill();
// Add textfield for debugging, shows the cursor id
if (debugText != '' || debugText != null)
{
var format:TextFormat = new TextFormat();
DEBUG_TEXT = new TextField();
format.font = 'Verdana';
format.color = 0xFFFFFF;
format.size = 10;
DEBUG_TEXT.defaultTextFormat = format;
DEBUG_TEXT.autoSize = TextFieldAutoSize.LEFT;
DEBUG_TEXT.background = true;
DEBUG_TEXT.backgroundColor = 0x000000;
DEBUG_TEXT.border = true;
DEBUG_TEXT.text = '';
DEBUG_TEXT.appendText(' '+debugText+' ');
DEBUG_TEXT.x = 8;
DEBUG_TEXT.y = -13;
addChild(DEBUG_TEXT);
}
else
{
// hide cursor
}
}
}
}
}
