AS代码制作声控图片【附代码】

1、新建一个AS3.0文档，拖入一张图片到库，点插入，新建一个影片剪辑元件（取名：图片元件），再拖入图片， 2、点插入新建影片剪辑元件，拖入“图片元件”，然后随意做个几桢的动画。最后一桢把图片放大，或设置透明度等。 3、拖入图片动画到场景取实例名为“mc”,再新建一层AS代码层，复制以下代码贴上及可。

import flash.media.SoundMixer;

import flash.events.Event;

import flash.media.Sound;

import flash.net.URLRequest;

import flash.events.MouseEvent;

import flash.ui.ContextMenu;

import flash.ui.ContextMenuBuiltInItems;

stage.scaleMode = StageScaleMode.NO_SCALE;

stage.align = StageAlign.TOP_LEFT;

var menu:ContextMenu=new ContextMenu();

menu.hideBuiltInItems();

this.contextMenu = menu;

var sound:Sound=new Sound();

var sc:SoundChannel=new SoundChannel();

var position:Number;

var isPlay:Boolean;

var byteArray:ByteArray= new ByteArray();

sound.load(new URLRequest("http://img0.oldkids.cn/upload/2021/05/20/blog_260848287_20210520142951772.mp3 "));

sc = sound.play();

this.addEventListener(MouseEvent.CLICK,onClickHandler);

sc.addEventListener(Event.SOUND_COMPLETE,scCompleteHandler);

function onClickHandler(event:MouseEvent):void

{

isPlay = ! isPlay;

if (isPlay)

{

position = sc.position;

sc.stop();

}

else

{

sc.stop();

sc = sound.play(position);

}

sc.addEventListener(Event.SOUND_COMPLETE,scCompleteHandler);

}

function scCompleteHandler(event:Event):void

{

sc = sound.play();

sc.addEventListener(Event.SOUND_COMPLETE,scCompleteHandler);

}

this.addEventListener(Event.ENTER_FRAME, enterFrameHandler);

function enterFrameHandler(event:Event):void

{

SoundMixer.computeSpectrum(byteArray,true);

var ratio:Number = range(Math.round(byteArray.readFloat() / 1.414 * mc.totalFrames));

//var ratio:Number = range(Math.round((sc.leftPeak+sc.rightPeak)*.5 * mc.totalFrames));

mc.gotoAndStop(ratio);

}

function range(value:Number):Number

{

if (value>1)

{

return value;

}

else

{

return 1;

}

}