//-----------------------------------------------
//roading.net 对两组影片剪辑排序:
function changeDepth(layer1, layer2) {
	var depths = [];
	for (var i in layer1.mcs) {
		depths.push(layer1.mcs[i].getDepth());
	}
	for (var i in layer2.mcs) {
		depths.push(layer2.mcs[i].getDepth());
	}
	//
	trace(depths);
	depths.sort();
	//
	layer1.mcs.sort(order);
	layer2.mcs.sort(order);
	//
	var ldepth = layer1.mcs.length;
	for (var i = 0; i<layer1.mcs.length; i++) {
		layer1.mcs[i].swapDepths(depths[i]);
		trace(layer1.mcs[i]+"::"+depths[i]);
	}
	for (var i = 0; i<layer2.mcs.length; i++) {
		layer2.mcs[i].swapDepths(depths[i+ldepth]);
		trace(layer2.mcs[i]+"::"+(depths[i+ldepth]));
	}
	//
	function order(a, b) {
		if (a.getDepth()>b.getDepth()) {
			return 1;
		}
		return -1;
	}
}
var cem = createEmptyMovieClip;
cem = [cem("a_mc", 2), cem("b_mc", 4), cem("c_mc", 1), cem("d_mc", 3), cem("e_mc", 5)];
var l1 = {mcs:[a_mc, b_mc, c_mc]};
var l2 = {mcs:[d_mc, e_mc]};
changeDepth(l1, l2);


//-----------------------------------------------
//roading.net 递归函数的使用(注意,有256级的限制):
//1到指定数字之间所有数字的和
function digui(x) {
	trace(x);
	return x>=1 ? digui(x-1)+x : x;
}
trace(digui(4));


//查找y坐标距某个值最近的mc -------------------------------------------------------------------------
function getNearMc(obj:MovieClip, y:Number):MovieClip {
	var td1:Number, td2:Number = 500;
	var tm:MovieClip;
	for (var i in obj) {
		var mc:MovieClip = obj[i];
		if (mc instanceof MovieClip && (td1=Math.abs(mc._y-y))<td2) {
			td2 = td1;
			tm = mc;
		}
	}
	return tm;
}
trace(getNearMc(this, 200));



//绘制圆角矩形 -------------------------------------------------------------------------
function roundedRectangle(target_mc:MovieClip, boxWidth:Number, boxHeight:Number, cornerRadius:Number, fillColor:Number, fillAlpha:Number):Void {
	with (target_mc) {
		beginFill(fillColor, fillAlpha);
		moveTo(cornerRadius, 0);
		lineTo(boxWidth-cornerRadius, 0);
		curveTo(boxWidth, 0, boxWidth, cornerRadius);
		lineTo(boxWidth, cornerRadius);
		lineTo(boxWidth, boxHeight-cornerRadius);
		curveTo(boxWidth, boxHeight, boxWidth-cornerRadius, boxHeight);
		lineTo(boxWidth-cornerRadius, boxHeight);
		lineTo(cornerRadius, boxHeight);
		curveTo(0, boxHeight, 0, boxHeight-cornerRadius);
		lineTo(0, boxHeight-cornerRadius);
		lineTo(0, cornerRadius);
		curveTo(0, 0, cornerRadius, 0);
		lineTo(cornerRadius, 0);
		endFill();
	}
}
// usage
this.createEmptyMovieClip("rectangle_mc", this.getNextHighestDepth());
roundedRectangle(rectangle_mc, 550, 400, 50, 0x99FF00, 100);


//显示时间-------------------------------------------------------------------------

function get_time() {
	var a = this.createEmptyMovieClip("time_show", 200412);
	a.createTextField("time_text", 0, 0, 0, 140, 18);
	a.time_text.background = true;
	a.onEnterFrame = function() {
		this.time_text.text = new Date().getFullYear()+"年"+new Date().getMonth()+"月"+new Date().getDay()+"日"+new Date().getHours()+":"+new Date().getMinutes()+":"+new Date().getSeconds();
	};
}
get_time();	//动态时钟： 2006年3月1日17:46:47


function getDate() {
	var t = new Date();
	var f = function (str) {
		return String(str).length<2 ? "0"+str : str;
	};
	return t.getFullYear()+"-"+(t.getMonth()+1)+"-"+t.getDate()+" "+f(t.getHours())+":"+f(t.getMinutes());
}
trace(getDate());	//静态时钟： 2006-4-3 17:47


//显示帧速---------------------------------------------------------------------------------
function get_fps() {
	var a = this.createEmptyMovieClip("fps_show", 100000);
	a.createTextField("fps_text", 0, 0, 0, 16, 18);
	a.fps_text.background = true;
	a._fps = 0;
	a.oldtim = getTimer();
	a.onEnterFrame = function() {
		this._fps = Math.round(1000/(getTimer()-this.oldtim));
		this.oldtim = getTimer();
		this.fps_text.text = this._fps;
	};
}
get_fps();

//使影片和V2组件在像素级别上清晰显示 ---------------------------------------------
MovieClip.prototype.清晰显示 = function() {
 var point = new Object();
 point.x = _x;
 point.y = _y;
 this.localToGlobal(point);
 this._x -= (point.x-Math.floor(point.x));
 this._y -= (point.y-Math.floor(point.y));
};


//得到场景中所有MC的实例名称.将它们都擦除掉 ---------------------------------------------
/*

Flash深度共分为三个区域:

时间轴区(-16284到-1)
主要用于放置Flash IDE编辑时的图像,Movie Clip等,这区域的Movie Clip不可以用ActionScript删除,但可以用ActionScript动态建立Movie Clip到这里.

动态区(0到1048575)
容许执行时用ActionScript动态建立或删除Movie Clip.

保留区(1048576到2130690045)
这里没有涉及到保留区的问题.
*/

function outputAll()
{
 var leve:Number = 0;
 for (var j in this)
 {
  if (typeof (this[j]) == "movieclip")
  {
   this[j].swapDepths(leve++);
   this[j].removeMovieClip();
  }
 }
}

//数字秒形式转换成时间形式 xx:xx:xx ---------------------------------------------
function convertTime(length:String):String {
	var MilliSeconds:Number = Math.floor(length*100);
	var Seconds:Number = Math.floor(MilliSeconds/100);
	var Minutes:Number = Math.floor(Seconds/60);
	var Hours:Number = Math.floor(Minutes/60);
	var modMilliSecond:Number = MilliSeconds%60;
	var strMilliSecond:String = (modMilliSecond<10 ? "0"+modMilliSecond.toString() : modMilliSecond.toString());
	var modHours:Number = Hours%60;
	var strHours:String = (modHours<10 ? "0"+modHours.toString() : modHours.toString());
	var modMinute:Number = Minutes%60;
	var strMinute:String = (modMinute<10 ? "0"+modMinute.toString() : modMinute.toString());
	var modSecond:Number = Seconds%60;
	var strSecond:String = (modSecond<10 ? "0"+modSecond.toString() : modSecond.toString());
	return strHours+":"+strMinute+":"+strSecond;
}
trace(convertTime("3600"));	//01:00:00


//生成A-Z的函数---------------------------------------------
function getdeno() {
    return String.fromCharCode(random(26)+65);
}


//AS函数的变参---------------------------------------------
function myMethod():Void {
	if (arguments.length == 1) {
		if (typeof (arguments[0]) == 'number') {
			myMethodWithNumber(arguments[0]);
		} else if (typeof (arguments[0]) == 'string') {
			myMethodWithString(arguments[0]);
		}
	}
}


//给Array数组对象增加一个功能（使用类功能）---------------------------------------------

//----- 乱序算法对象 -----//
function rand()
{
var i=0;
var l=this.length;
var dl=l/2;
if(l>0) while(i<dl) {
num1 = random(l);
num2 = random(l);
temp = this[num1];
this[num1] = this[num2];
this[num2] = temp;
i = i+1;
}
}
Array.prototype.rand = rand;

//两点所成角度---------------------------------------------

// Get the angle between two points. （得到两点之间的角度）
function getAngle(px1, py1, px2, py2) {
	x = px2-px1;
	y = py2-py1;
	hyp = Math.sqrt(Math.pow(x, 2)+Math.pow(y, 2));
	cos = x/hyp;
	rad = Math.acos(cos);
	// Ask your math teacher if you don’t understand this one.（如果你看不懂，就去问你的数学老师）
	deg = 180/(Math.PI/rad);
	// Yes, we do got one angle, rad, by 'Math.acos(cos)', but in radians.（是的，我们通过cos得到了一个角度“rad”，不过是以弧度为单位的）
	// Therefore, we need do one more step to transfer it to normal angle we need.（因此，我们需要再进一步把它转换成我们所需要的标准的角度）
	if (y<0) {
		deg = -deg;
	} else if ((y == 0) && (x<0)) {
		deg = 180;
	}
	return deg;
}

//两点间距离---------------------------------------------

// Get the distance between two points. (得到两点之间的距离)
function getDist(px1, py1, px2, py2) {
	x = px2-px1;
	y = py2-py1;
	hyp = Math.sqrt(Math.pow(x, 2)+Math.pow(y, 2));
	return hyp;
}

//缓冲运动---------------------------------------------

//针对一个物体和一个点之间的缓冲运动
function buffer(obj_mc, speed, x, y) {
	this[obj_mc].onEnterFrame = function() {
		this._x += (x-this._x)/speed;
		this._y += (y-this._y)/speed;
	};
}
this.onMouseDown = function() {
	buffer("rec", 2, _xmouse, _ymouse);
};