文档类:
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package
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{
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import flash.display.*;
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import flash.events.*;
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import flash.geom.*;
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[SWF(backgroundColor="0x000000")]
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public class main extends Sprite
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{
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private var obj:Array = new Array();
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private var bmd:BitmapData, bmp:Bitmap, container:Sprite;
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public function main()
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{
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bmd = new BitmapData( 465, 465, true, 0x000000 );
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bmp = addChild( new Bitmap( bmd ) ) as Bitmap;
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container = addChild( new Sprite ) as Sprite;
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container.visible = false;
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for(var i:uint = 0; i < 100; i++)
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{
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obj[i] = new ball();
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container.addChild(obj[i]);
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}
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stage.addEventListener(Event.ENTER_FRAME, frame);
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}
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private function frame(e:Event):void
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{
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for(var i:String in obj)
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{
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obj[i].run();
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}
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var m:Matrix = new Matrix;
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bmd.draw( container, m, new ColorTransform( .7, .1, .2, 1), "add" );
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bmd.colorTransform( bmd.rect, new ColorTransform( 1, 1, 1, .97 ) );
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}
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}
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}
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import flash.display.*;
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import flash.filters.*;
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class ball extends Shape
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{
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private var r:uint = 15;
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private var s:Number= ( Math.random()*3 | 0 ) + 2;
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private var b:Number= -5, bb:int = -5;
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function ball()
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{
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//s = Math.random()*2 | 0 ? s : -s;
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x = Math.round(Math.random() * 450);
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y = s > 0 ? -r - Math.random()*450: 465 + r + Math.random()*450;
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graphics.beginFill(Math.round(Math.random() * 255 * 255 * 255), 1);
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graphics.drawCircle(0, 0, ( Math.random()*r | 0 ) + 4);
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graphics.endFill();
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this.filters = [ new BlurFilter( -b, -b, 2 ) ];
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}
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public function run():void
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{
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if( s < 0 ) {
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if(y + r < 0)
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{
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x = Math.round(Math.random() * 450);
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y = 465 + r;
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scaleX = scaleY = 1;
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}
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} else {
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if(y - r > 465)
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{
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x = Math.round(Math.random() * 450);
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y = -r;
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scaleX = scaleY = 1;
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}
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}
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scaleX += 0.001;
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scaleY += 0.001;
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y += s;
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}
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- }