1 package  { 2     import com.bit101.components.TextArea; 3     import nape.callbacks.CbEvent; 4     import nape.callbacks.CbType; 5     import nape.callbacks.InteractionCallback; 6     import nape.callbacks.InteractionListener; 7     import nape.callbacks.InteractionType; 8     import nape.callbacks.PreCallback; 9     import nape.callbacks.PreFlag;10     import nape.callbacks.PreListener;11     import nape.phys.Body;12     /**13      * ...14      * @author kingBook15      * 2015-02-01 21:1816      */17     public class Main extends BaseMain {18         19         public function Main() {20             super({gravity:{x:0,y:0}});21             22         }23         24         private var _box:Body;25         private var _circle:Body;26         private var _boxCbType:CbType=new CbType();27         private var _circleCbType:CbType=new CbType();28         private var _textArea:TextArea;29         override protected function createBodies():void {30             //矩形刚体31             _box=createBox(50,50,100,200);32             _box.cbTypes.add(_boxCbType);33             _box.space=_space;34             35             //圆形刚体36             _circle=createCircle(30,250,200);37             _circle.cbTypes.add(_circleCbType);38             _circle.space=_space;39             40             _space.listeners.add(new PreListener(InteractionType.COLLISION,_boxCbType,_circleCbType,ignoreHandler));41             _space.listeners.add(new InteractionListener(CbEvent.BEGIN,InteractionType.COLLISION,_boxCbType,_circleCbType,onHitBegin));42             43             //文本域44             _textArea=new TextArea(this,5,5);45         }46         47         private function ignoreHandler(cb:PreCallback):PreFlag{48             return PreFlag.IGNORE;49         }50         51         private function onHitBegin(cb:InteractionCallback):void{52             _textArea.text += "hit\n"53         }54         55     }56     57 }