// forked from mex's 【AS100本ノック】10回目：爆破 /* * AS100本ノック * 10回目のお題は「爆破」 * あなたなりの「爆破」を表現してください。 * * 左クリックしたまま、画面上を動かしてみてください。 * トッ○をねらえとかマ○ロスとかガ○ダムとかに出てきそうな爆発をイメージしますた * バス○ービームも作りたかった */ package { import flash.display.Graphics; import flash.display.Sprite; import flash.display.Shape; import flash.display.StageScaleMode; import flash.display.StageAlign; import flash.display.StageQuality; import flash.events.Event; import flash.events.MouseEvent; import flash.utils.getTimer; public class Explosion extends Sprite { private const STAGE_WIDTH:uint = 465, STAGE_HEIGHT:uint = 465; private var _bg:Sprite, _hitArea:Sprite, _bomb:Bomb, _isFire:Boolean , _time:uint , _prevTime:uint; private var _stageWidht:Number , _stageHeight:Number; public function Explosion() { if ( stage ) init(); else addEventListener(Event.ADDED_TO_STAGE, init ); } private function init( e:Event = null ):void { removeEventListener(Event.ADDED_TO_STAGE, init); stage.scaleMode = StageScaleMode.NO_SCALE; stage.align = StageAlign.TOP_LEFT; stage.quality = StageQuality.BEST; _isFire = false; _prevTime = 0; _stageWidht = stage.stageWidth; _stageHeight = stage.stageHeight; Wonderfl.capture_delay( 2 ); addBackground(); addMouseHitArea(); _bg.addChild( _bomb = new Bomb() ); setMouseEvent(); } private function addBackground():void { var g:Graphics; addChild( _bg = new Sprite() ); g = _bg.graphics; g.beginFill( 0x000000 ); g.drawRect( 0 , 0 , _stageWidht , _stageHeight ); g.endFill(); } private function addMouseHitArea():void { var g:Graphics; addChild( _hitArea = new Sprite() ); _hitArea.buttonMode = true; g = _hitArea.graphics; g.beginFill( 0x000000 , 0 ); g.drawRect( 0 , 0 , _stageWidht , _stageHeight ); g.endFill(); } private function setMouseEvent():void { _hitArea.addEventListener( MouseEvent.MOUSE_DOWN , MouseDownHandler , false , 0 , true ); _hitArea.addEventListener( MouseEvent.MOUSE_UP , MouseUpHandler , false , 0 , true ); _hitArea.addEventListener( MouseEvent.MOUSE_MOVE , MouseMoveHandler , false , 0 , true ); _hitArea.addEventListener( MouseEvent.MOUSE_OUT , MouseOutHandler , false , 0 , true ); } private function MouseDownHandler( $evt:MouseEvent ):void { _isFire = true; _prevTime = getTimer(); _bomb.fire( _bg.mouseX , _bg.mouseY ); } private function MouseUpHandler( $evt:MouseEvent ):void { _isFire = false; } private function MouseOutHandler($evt:MouseEvent):void { _isFire = false; } private function MouseMoveHandler( $evt:MouseEvent ):void { _time = getTimer(); if (_isFire && _time - _prevTime > 50 ) { _prevTime = _time; _bomb.fire( _bg.mouseX , _bg.mouseY ); } } } } import flash.display.Bitmap; import flash.display.BitmapData; import flash.display.Shape; import flash.display.Sprite; import flash.display.Graphics; import flash.filters.BlurFilter; import flash.filters.GlowFilter; import org.libspark.betweenas3.BetweenAS3; import org.libspark.betweenas3.tweens.IObjectTween; import org.libspark.betweenas3.events.TweenEvent; import org.libspark.betweenas3.easing.*; import org.libspark.betweenas3.tweens.ITween; class Bomb extends Sprite { private const RADIUS:uint = 40 , SEED_MAX_COUNT:uint = 10, BMP_NAME:String = "SEED"; private var _seedsData:Array; public function Bomb():void { init(); } private function init():void { makeSeedsData(); } private function makeSeedsData():void { var i:uint; _seedsData = new Array(); for ( i = 0; i < SEED_MAX_COUNT; i++ ) { _seedsData.push( makeSeed() ); } } private function makeSeed():Bitmap { var seed:Shape, g:Graphics , blur:uint , bd:BitmapData , size:Number, bf:BlurFilter, gf:GlowFilter; bf = new BlurFilter( 8 , 8 , 1 ); blur = 2 << ( Math.round( Math.random() * 7 ) ); gf = new GlowFilter( 0xFF5555 , 0.9 , blur , blur , 4 , 4 ); seed = new Shape(); g = seed.graphics; g.beginFill( 0xFFF0FC , 1 ); g.drawCircle( RADIUS + blur , RADIUS + blur , RADIUS ); g.endFill(); seed.filters = [gf , bf]; size = ( RADIUS << 1 ) + ( blur << 1 ); bd = new BitmapData( size , size , true , 0x000000 ); bd.draw( seed ); return new Bitmap( bd ); } public function fire( x:Number , y:Number ):void { var i:uint , bmp:Bitmap , newBmp:Bitmap , sp:Sprite , angle:Number, baseAngle:uint , r:Number , scale:Number , count:uint; count = Math.round( Math.random() * SEED_MAX_COUNT ); baseAngle = Math.round( 360 / count ); for ( i = 0; i < count; i++ ) { r = ( RADIUS << 1 ) * Math.random(); scale = Math.random() * 1; angle = baseAngle * i; newBmp = new Bitmap( Bitmap( _seedsData[i] ).bitmapData.clone() ); newBmp.x = -newBmp.width >> 1; newBmp.y = -newBmp.height >> 1; newBmp.name = BMP_NAME; sp = new Sprite(); sp.addChild( newBmp ); sp.x = r * Math.cos( angle2radian( angle ) ) + x; sp.y = r * Math.sin( angle2radian( angle ) ) + y; sp.scaleX = sp.scaleY = scale; addChild( sp ); tween( sp , scale * 2 ); } } private function tween( sp:Sprite , time:Number ):void { var scale:Number, io:IObjectTween, it:ITween; scale = sp.scaleX; it = BetweenAS3.serial( BetweenAS3.tween( sp , { alpha:1 , scaleX:scale , scaleY:scale } , { scaleX:0 , scaleY:0 } , time , Back.easeInOut ) , io = BetweenAS3.tween( sp , { alpha:0 } , null , time , Expo.easeOut ) ); io.addEventListener( TweenEvent.COMPLETE , tweenEventCompleteHandler , false , 0 , true ); it.play(); } private function tweenEventCompleteHandler( $evt:TweenEvent ):void { var bmp:Bitmap = Sprite( $evt.target.target ).getChildByName( BMP_NAME ) as Bitmap; IObjectTween( $evt.target ).removeEventListener( TweenEvent.COMPLETE , tweenEventCompleteHandler ); bmp.bitmapData.dispose(); Sprite( $evt.target.target ).removeChild( bmp ); removeChild( $evt.target.target ); } private function angle2radian( angle:int ):Number { return angle * Math.PI / 180; } }