水果忍者鼠标跟随特效制作[转载]
实现这效果其实比较简单，主要是思路~！
package { import flash.display.Sprite; import flash.events.MouseEvent; import flash.events.Event; import flash.filters.GlowFilter; /** * ... * @author Xing */ public class Main extends Sprite { private var _cacheX:int; private var _cacheY:int; private var _isDown:Boolean; private var _scene:Sprite; public function Main() { _scene = new Sprite(); this.addChild(_scene); _scene.filters = [new GlowFilter(0x00CCFF, 1, 10, 10, 2, 1, false, false)]; stage.addEventListener(MouseEvent.MOUSE_DOWN, downHandler); stage.addEventListener(MouseEvent.MOUSE_UP, upHandler); this.addEventListener(Event.ENTER_FRAME, enterFrame); } private function downHandler(e:MouseEvent):void { _cacheX = mouseX; _cacheY = mouseY; _isDown = true; } private function upHandler(e:MouseEvent):void { _isDown = false; } private function enterFrame(e:Event):void { for each (var l:Line in Line.sets) { l.update(); } update(); } private function update():void { if (!_isDown) return; var line:Line = new Line(_cacheX, _cacheY, mouseX, mouseY); _scene.addChild(line); _cacheX = mouseX; _cacheY = mouseY; } }}import flash.display.Sprite;class Line extends Sprite{ static public var sets:Array = []; public var sX:int; public var sY:int; public var eX:int; public var eY:int; public var linesize:Number; public function Line($sX:int, $sY:int, $eX:int, $eY:int, $linesize:Number = 8) { sets.push(this); sX = $sX; sY = $sY; eX = $eX; eY = $eY; linesize = $linesize; draw(); } private function draw():void { graphics.clear(); graphics.lineStyle(linesize, 0xFFFFFF); graphics.moveTo(sX, sY); graphics.lineTo(eX, eY); } public function update():void { draw(); linesize -= 1; if (linesize < 1) { clear(); } } private function clear() { graphics.clear(); for (var i:String in sets) { var l:Line = sets[i] as Line; if (l == this) { sets.splice(i, 1); parent.removeChild(this); } } }}