散开3.sqe

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========== Description Part Begin ==========
name = "散开3";
description = "实例按照同一的时间间隔，从一个特定中心点向四周随机散开。";
version = "1.00";
bin = "scattering3.bin";
========== Description Part End ==========

========== Parameter Part Begin ==========
$nCharacterCount(EDIT,INT,1,1 10000,"实例总数","指的是使用了该特效的实例的总数。这个值是由影片里所选中的实例数决定的，在这里不能设置。");
$nFrameCount(EDIT,INT,3,3 3,"总帧数","指的是含有动作代码的总帧数。特效播放的总帧数可能比动作代码的帧数多。");

$nInterval(EDIT,INT,5,1 10000,"时间间隔","前一个实例和后一个实例开始移动的时间间隔。");
$AlphaChangeSpeed(EDIT,INT,10,1 10000,"透明度变化速度","实例的透明度变化速度。");
$nSpeed(EDIT,INT,10,1 10000,"速度","实例的散开速度。");
$nCentreX(EDIT,INT,0,-10000 10000,"X","中心点X的值。");
$nCentreY(EDIT,INT,0,-10000 10000,"Y","中心点X的值。");
========== Parameter Part End ==========

========== Function Part Begin ==========
nCharacterCount = 16;
nFrameCount = 8;
nSpeed = 10;
AlphaChangeSpeed = 5;
nInterval = 5;



nCentreX = 200;
nCentreY = 200;

nIsRun = new Array(nCharacterCount );
nRotateArray = new Array(nCharacterCount);
nRadiusArray = new Array(nCharacterCount);



for( i = 1; i <= nCharacterCount; i++)
{
    this["c" + i]._alpha = 100;
    this["c" + i]._rotation = 0;
   
	this["c" + i]._x = nCentreX;
	this["c" + i]._y = nCentreY;
	this["c" + i]._visible = false;
	
	
	
	if(i == 1)
			nIsRun[0] = 0;
	else
	{
			nIsRun[i - 1] = nIsRun[i - 2];
			nIsRun[i - 1] += nInterval;
	}
	
	nRotateArray[i - 1] = random(360);
	nRadiusArray[i - 1]  = 2;
}


function fun()
{
	
    for (i = 1; i <= nCharacterCount; i++)
    {
		if(nIsRun[i -1] < 0)
		{
			this["c" + i]._visible = true;
    		this["c" + i]._x = Math.cos(Math.PI / 180 * nRotateArray[i -1]) * nRadiusArray[i - 1]  + nCentreX;
			this["c" + i]._y = Math.sin(Math.PI / 180 * nRotateArray[i -1]) * nRadiusArray[i - 1]  + nCentreY;
			this["c" + i]._alpha -= AlphaChangeSpeed;
			nRadiusArray[i -1]  += nSpeed;
		}
		nIsRun[i -1] -= 1;
	} 
 
  	for (i = 1; i <= nCharacterCount; i++)
    {
 		if(this["c" + i]._alpha >= 0)
			return;
		
	}
	gotoAndPlay(1);
} 


function again()
{
	gotoAndPlay(2);
}


========== Function Part End ==========

========== Frame Part Begin ==========
$frame(fun,1,-1,"fun");
$frame(fun,2,-1,"fun");
$frame(again,3,-1,"again");
========== Frame Part End ==========