向量学习的基础课题的几个源代码，速度,碰撞，边界等。-simply demos of vector study for beginners

这是一个flash源文件，效果很好，测试平台为flash 8.0（如果提示问题请选择合适的版本试试），代码的效果是：边界-This is a flash source file, the effect is very good, the test platform for flash 8.0 (if tip problem please choose the right version try), the effect of the code is: border

Actionscr ipt 3.0 实现动态监测边界。模拟相互碰撞反弹的实例-Actionscr ipt 3.0 for dynamic monitoring of the border. Analog collide instance rebound