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  • 当前位置: 山茶花美文网 > 英语文章 > 正文

    android 实现加载动画代码 用AS3代码实现滤镜动画效果

    时间:2018-08-10来源:山茶花美文网 本文已影响 山茶花美文网手机站

    在这个教程中,我们将添加模糊和斜角滤镜给图片。所有的动画都是用 Actionscript 3.0制作。在图片上移动你的鼠标看看效果。当你掌握了这些你将同样能创建另一些滤镜效果。好吧,打开你的flash我们开始吧。

    设置环境

    1. 创建一个新的文档,大小为500x250
    2. 导入两张图片到舞台(大约200x200)。你可以象我一样导入一张方的和一张园的图片。
    3. 将两张图片转换为MC,你可以这它们取上你喜欢的名字;将注册点移到中心。
    4. 给它们取上实例名称分别为:“apple01”和“apple02”


    进入AS3打开你的动作面板输入下面的代码:
    //使用动画滤镜
    var blurSpeed:Number = 1;
    var bevelSpeed:Number = 5;
    //为两个苹果添加MOUSE_OVER 事件侦听
    appleapple01.addEventListener(MouseEvent.MOUSE_OVER,mouseOverApple01);
    apple02.addEventListener (MouseEvent.MOUSE_OVER, mouseOverApple02);
    //这两个苹果添加MOUSE_OUT 事件侦听
    appleapple01.addEventListener(MouseEvent.MOUSE_OUT,mouseOutApple01);
    apple02.addEventListener (MouseEvent.MOUSE_OUT, mouseOutApple02);
    /*为两个苹果添加ENTER_FRAME,这样我们就能每隔一帧的时间绘制它们*/
    apple01.addEventListener(Event.ENTER_FRAME,enterFrameApple01);
    apple02.addEventListener (Event.ENTER_FRAME, enterFrameApple02);
    //创建并附加模糊滤镜给apple01
    var blur:BlurFilter = new BlurFilter();
    blur.blurX = 20;
    blur.blurY = 20;
    blur.quality = BitmapFilterQuality.HIGH;
    apple01.filters = [blur];
    //创建一个斜角滤镜给apple02
    var bevelFilter:BevelFilter=new BevelFilter(10, 45,0x000000,1, 0xffffff,1,0, 0, 0, BitmapFilterQuality.HIGH,BitmapFilterType.INNER,false);
    apple02.filters = [bevelFilter];
    //设置省缺值(鼠标没移动到苹果上时)
    var mouseIsOverApple01:Boolean = false;
    var mouseIsOverApple02:Boolean = false;
    //当鼠标移到apple01上时调用
    function mouseOverApple01 (event:MouseEvent):void {
    mouseIsOverApple01 = true;
    }
    //当鼠标移到apple02上时调用
    function mouseOverApple02 (event:MouseEvent):void {
    mouseIsOverApple02 = true;
    }
    //当鼠标移出apple01 时调用
    function mouseOutApple01 (event:MouseEvent):void {
    mouseIsOverApple01 = false;
    }
    //当鼠标移出apple02 时调用
    function mouseOutApple02 (event:MouseEvent):void {
    mouseIsOverApple02 = false;
    }
    //这个函数绘制apple01 的动画
    function enterFrameApple01 (event:Event):void {
    //如果鼠标在苹果上移动减少模糊
    if (mouseIsOverApple01 == true) {
    blur.blurX -= blurSpeed;
    blur.blurY -= blurSpeed;
    }
    /* 如果鼠标移出苹果,并且模糊没超过20,我们增加模糊。*/
    if (mouseIsOverApple01 == false && blur.blurX <= 20) {
    blur.blurX = blurSpeed;
    blur.blurY = blurSpeed;
    }
    /*在改变模糊滤镜后我需要重新分配滤镜*/
    apple01.filters = [blur];
    }
    //这个函数绘制apple02的动画
    function enterFrameApple02 (event:Event):void {
    //如果鼠标移到这个苹果上,我们增加模糊滤镜直到100
    if (mouseIsOverApple02 == true && bevelFilter.blurX < 100) {
    bevelFilter.blurX = bevelSpeed;
    bevelFilter.blurY = bevelSpeed;
    //我们需要分配一个力度给斜角让它可见
    bevelFilter.strength = 5;
    }
    //如果鼠标移出apple02, 减少模糊
    if (mouseIsOverApple02 == false) {
    bevelFilter.blurX -= bevelSpeed;
    bevelFilter.blurY -= bevelSpeed;
    }
    /*如果我们确定模糊滤镜正被使用,我们让整个斜角不可见。(strength is 0).否则我们会看到一些难看的曲线。*/
    if(bevelFilter.blurX == 0) {
    bevelFilter.strength = 0;
    }
    /*当我们改变了斜角滤镜时,我们需要重新分配一次滤镜*/
    apple02.filters = [bevelFilter];
    }
    你已经完了!测试影片,如果你有什么问题,请访问论坛!快乐的一天!

    下面附代码供研究var blurSpeed:Number = 1;
    var bevelSpeed:Number = 5;
    appleapple01.addEventListener(MouseEvent.MOUSE_OVER,mouseOverApple01);
    apple02.addEventListener (MouseEvent.MOUSE_OVER, mouseOverApple02);
    appleapple01.addEventListener(MouseEvent.MOUSE_OUT,mouseOutApple01);
    apple02.addEventListener (MouseEvent.MOUSE_OUT, mouseOutApple02);
    apple01.addEventListener(Event.ENTER_FRAME,enterFrameApple01);
    apple02.addEventListener (Event.ENTER_FRAME, enterFrameApple02);
    var blur:BlurFilter = new BlurFilter();
    blur.blurX = 20;
    blur.blurY = 20;
    blur.quality = BitmapFilterQuality.HIGH;
    apple01.filters = [blur];
    var bevelFilter:BevelFilter=new BevelFilter(10, 45,0x000000,1, 0xffffff,1,0, 0, 0, BitmapFilterQuality.HIGH,BitmapFilterType.INNER,false);
    apple02.filters = [bevelFilter];
    var mouseIsOverApple01:Boolean = false;
    var mouseIsOverApple02:Boolean = false;
    function mouseOverApple01 (event:MouseEvent):void {
    mouseIsOverApple01 = true;
    }
    function mouseOverApple02 (event:MouseEvent):void {
    mouseIsOverApple02 = true;
    }
    function mouseOutApple01 (event:MouseEvent):void {
    mouseIsOverApple01 = false;
    }
    function mouseOutApple02 (event:MouseEvent):void {
    mouseIsOverApple02 = false;
    }
    function enterFrameApple01 (event:Event):void {
    if (mouseIsOverApple01 == true) {
    blur.blurX -= blurSpeed;
    blur.blurY -= blurSpeed;
    }
    if (mouseIsOverApple01 == false && blur.blurX <= 20) {
    blur.blurX = blurSpeed;
    blur.blurY = blurSpeed;
    }
    apple01.filters = [blur];
    }
    function enterFrameApple02 (event:Event):void {
    if (mouseIsOverApple02 == true && bevelFilter.blurX < 100) {
    bevelFilter.blurX = bevelSpeed;
    bevelFilter.blurY = bevelSpeed;
    bevelFilter.strength = 5;
    }
    if (mouseIsOverApple02 == false) {
    bevelFilter.blurX -= bevelSpeed;
    bevelFilter.blurY -= bevelSpeed;
    }
    if(bevelFilter.blurX == 0) {
    bevelFilter.strength = 0;
    }
    apple02.filters = [bevelFilter];
    }

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