[AS]超真实火焰效果

p 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; }}
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shap.as

代码拷贝框
import flash.display.BitmapData;class de.popforge.bitmap.Shape extends MovieClip{ static var id: String = '__Packages.de.popforge.bitmap.Shape'; static private var container: MovieClip; static public function setContainer( container: MovieClip ): Void { Shape.container = container; Object.registerClass( id, Shape ); } static public function get(): Shape { if( container == undefined ) { trace( 'ERROR: No container is defined. Call Shape.setContainer( timeline: MovieClip );' ); return null; } var d: Number = container.getNextHighestDepth(); return Shape( container.attachMovie( id, d.toString(), d ) ); } public function rasterize( target: BitmapData ): Void { target.draw( this ); }}
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源文件下载：fire.zip