苍蝇也是鸟

摘要： b2ContactListerner.BeginContact(contact:b2Contact)中:contact.getManifold().m_localPlaneNormal.x和contact.getManifold().m_localPlaneNormal.y两个属性标识接触面的法线向量trace(contact.GetManifold().m_localPlaneNormal.x , contact.GetManifold().m_localPlaneNormal.y ); trace(Math.atan2(contact.GetManifold().m_localPla... 阅读全文

摘要： import flash.net.FileReference;import flash.events.Event;load();function load():void{ var file:FileReference = new FileReference(); file.browse(); file.addEventListener(Event.SELECT,onSelect); file.addEventListener(Event.COMPLETE,onComplete);}function onSelect(e:Event):void{ var target:FileReference 阅读全文