用C#编写的飞行设计类小游戏，共5个关卡，可学习碰撞分析，工厂方法模式。-Written in c# of flight design little game, a total of five levels, can learn collision analysis, factory method mode.

C#微信飞机大战，这个版本改成面向对象的了，并且加入了工厂模式。代码完全模拟微信飞机大战。功能效果基本全部实现。-C# micro-channel aircraft war, this version into the object-oriented, and joined the factory pattern. Code is fully simulated micro letter airplane war. Functional effects basically fully achie