Flash超真实火焰效果

点击查看效果 免费资源www.it55.com

主文件代码 vd;k;l www.it55.com rdfg

代码拷贝框
import flash.display.*;import flash.filters.*;import flash.geom.*;import de.popforge.bitmap.Shape;Shape.setContainer( this.createEmptyMovieClip( 'shapes', 10000 ) );//-- get blue circle as a bitmapvar blueSpotClip: MovieClip = attachMovie( "blueSpot", "blueSpotClip", 0 );var clipBounds: Object = blueSpotClip.getBounds();var blueSpot: BitmapData = new BitmapData( clipBounds.xMax, clipBounds.yMax, true, 0 );blueSpot.draw( blueSpotClip, new Matrix() );blueSpotClip.removeMovieClip();//-- involved bitmapsvar source: BitmapData = new BitmapData( 256, 256, false, 0 );var output: BitmapData = new BitmapData( 256, 256, false, 0 );var buffer: BitmapData = new BitmapData( 256, 256, false, 0 );var bounds: Rectangle = new Rectangle( 0, 0, 256, 256 );var origin: Point = new Point();var matrix: Matrix = new Matrix();//-- creating a gradient with fire colorsimport de.popforge.bitmap.Gradient;var firePalette: Array = Gradient.fillArray( [ 0, 0xA20000, 0xFFF122, 0xFFFFFF, 0xF8FF1B, 0xC53C05, 0 ], [ 0, 50, 50, 100, 75, 25, 0 ], [ 0, 64, 132, 186, 220, 250, 255 ]);//-- Filter to let the flame growvar flame: ConvolutionFilter = new ConvolutionFilter( 3, 3, null, 2.7, -2 );attachBitmap( output, 0, false, false );var ms: Number = getTimer();var frame: Number = 0;onMouseMove = function(){ //-- create burning area var mouse: Point = new Point( _xmouse - clipBounds.xMax/2, _ymouse - clipBounds.yMax/2 ); source.copyPixels( blueSpot, new Rectangle( 0, 0, clipBounds.xMax, clipBounds.yMax ), mouse );}onEnterFrame = function(){ //-- create burning area var mouse: Point = new Point( _xmouse - clipBounds.xMax/2, _ymouse - clipBounds.yMax/2 ); source.copyPixels( blueSpot, new Rectangle( 0, 0, clipBounds.xMax, clipBounds.yMax ), mouse ); //-- the flames matrix with some randoms to expand the flame sidewards var flameMatrix: Array = [ 0, 0, 0, 0, 0.2, 0, 0, 1.6, 0 ]; flameMatrix[3] = Math.random() * .001; flameMatrix[5] = Math.random() * .001; flameMatrix[6] = .4 + Math.random() * .1; flameMatrix[8] = .4 + Math.random() * .1; flame.matrix = flameMatrix; //-- applying the filter 3 times to increase the flame speed //-- compute the affected region by "generateFilterRect", "getColorBoundsRect" var area: Rectangle = source.generateFilterRect( source.getColorBoundsRect( 0xFF, 0, false ), flame ); source.applyFilter( source, area, area.topLeft, flame ); area = source.generateFilterRect( area, flame ); source.applyFilter( source, area, area.topLeft, flame ); area = source.generateFilterRect( area, flame ); source.applyFilter( source, area, area.topLeft, flame ); //-- remap the the flame bitmap with fire colors output.paletteMap( source, area, area.topLeft, null, null, firePalette ); //-- fps if( getTimer() - 1000 > ms ) { ms = getTimer(); fps = frame; fpsDisplay.text = fps.toString(); frame = 0; } else { frame++; }}var mouseDown: Boolean = false;onMouseDown = function(){ mouseDown = true;}onMouseUp = function(){ onEnterFrame(); mouseDown = false; }createTextField( "fpsDisplay", 99, 0, 0, 60, 20 );fpsDisplay.textColor = 0xffffff;fpsDisplay.selectable = false;

it55.com

对应的AS代码：Gradient.as

sflj www.it55.com kg^&fgd

代码拷贝框
import de.popforge.bitmap.Shape;import flash.display.BitmapData;import flash.geom.ColorTransform;import flash.geom.Matrix;class de.popforge.bitmap.Gradient{ public static function createXYGradient(): BitmapData { /* * get canvas */ var g: Shape = Shape.get(); if( g == null ) { return null; } var xyGradient: BitmapData = new BitmapData( 256, 256, false, 0 ); var matrix: Matrix = new Matrix(); /* * create y as blue colorvalues */ matrix.createGradientBox( 256, 256, Math.PI/2, 0, 0 ); g.beginGradientFill( 'linear', [ 0, 0x0000ff ], [ 100, 100 ], [ 0, 0xff ], matrix ); g.moveTo( 0, 0 ); g.lineTo( 256, 0 ); g.lineTo( 256, 256 ); g.lineTo( 0, 256 ); g.lineTo( 0, 0 ); g.endFill(); matrix.identity(); xyGradient.draw( g, matrix ); g.clear(); /* * create x as green colorvalues */ matrix.createGradientBox( 256, 256, 0, 0, 0 ); g.beginGradientFill( 'linear', [ 0, 0x00ff00 ], [ 100, 100 ], [ 0, 0xff ], matrix ); g.moveTo( 0, 0 ); g.lineTo( 256, 0 ); g.lineTo( 256, 256 ); g.lineTo( 0, 256 ); g.lineTo( 0, 0 ); g.endFill(); matrix.identity(); xyGradient.draw( g, matrix, null, 'add' ); g.removeMovieClip(); return xyGradient; } public static function createDisplacementMapFromMidMap( midmap: BitmapData ): BitmapData { var displace: BitmapData = createXYGradient(); if( displace == null ) { return null; } var colorTransform: ColorTransform = new ColorTransform(); var m: Matrix = new Matrix(); colorTransform.greenMultiplier = .5; colorTransform.blueMultiplier = .5; displace.draw( displace, m, colorTransform ); colorTransform.greenOffset = 128; colorTransform.blueOffset = 128; displace.draw( midmap, m, colorTransform, 'difference' ); return displace; } /* * returns an array with 32bit colorvalues * usefull to remap a bitmap using 'paletteMap' */ public static function fillArray( colors: Array, alphas: Array, ratios: Array ): Array { var g: Shape = Shape.get(); if( g == null ) { return null; } var array: Array = new Array; var m: Matrix = new Matrix(); m.a = m.d = .15625; m.b = m.c = 0; m.tx = m.ty = 128; g.beginGradientFill( 'linear', colors, alphas, ratios, m ); g.moveTo( 0, 0 ); g.lineTo( 256, 0 ); g.lineTo( 256, 1 ); g.lineTo( 0, 1 ); g.lineTo( 0, 0 ); g.endFill(); var bmp: BitmapData = new BitmapData( 256, 1, true, 0 ); m.identity(); bmp.draw( g, m ); g.removeMovieClip(); var x: Number = 256; while( --x > -1 ) { array[x] = bmp.getPixel32( x, 0 ); } return array; }} </p> <p>（阅读次数：<script src="http://www.it55.com/plus/count.php?view=yes&aid=60642&mid=0" language="javascript"></script>）</p> </div> <div id="fy"><div class="maotop"><a href="#"><img src="http://www.it55.com/templets/it55/images/top.gif" alt="返回顶部" /></a></div>共2页: 上一页 1 <a href='60642_2.html'>[2]</a> <a href='60642_2.html'>下一页</a> 　</div> </div> <script type="text/javascript"> document.getElementById("cl").style.height=document.getElementById("cr").scrollHeight+"px" </script> </div><div style="clear:both"></div> <div class="ad5"><script type="text/javascript"><!-- google_ad_client = "pub-7322138056288108"; google_alternate_color = "E6E6E6"; google_ad_width = 728; google_ad_height = 90; google_ad_format = "728x90_as"; google_ad_type = "text_image"; //2007-07-09: www.it55.com google_ad_channel = "7079307182"; //--> </script> <script type="text/javascript" src="http://pagead2.googlesyndication.com/pagead/show_ads.js"> </script></div> <div id="neighbour">上一篇：<a href='http://www.it55.com/html/xueyuan/wangyezhizuo/Flashjiaocheng/20070712/60641.html'>AS2高级绘图工具类下载</a>   下一篇：<a href='http://www.it55.com/html/xueyuan/wangyezhizuo/Flashjiaocheng/20070712/60643.html'>Flash深入了解Function</a> </div> <div style="clear:both"></div> </div> <div id="comment"> <div class="title"><h4>网友评论</h4>[以下评论为网友观点，不代表本站。请自觉遵守互联网相关政策法规，所有连带责任均有评论者自负。]</div> <div id="coml"> <ul> <script src="http://www.it55.com/plus/feedback_js.php?arcID=60642"></script> </ul> </div> <div id="comr"> <form action="http://www.it55.com/plus/feedback.php?action=send" method="post" name="feedback"> <input type="hidden" name="arcID" value="60642"> <label for="username">用户名：</label><input id="username" name="username" class="input" /> <label for="pwd">密码：</label><input id="pwd" name="pwd" class="input" /> <label for="notuser">匿名：</label><input id="notuser" name="notuser" type="checkbox" value="1" /> <textarea id="msg" name="msg" cols="22" rows="10" tabindex="4">