基本技术:

在Java中实现动画有很多种办法,但它们实现的基本原理是一样的,即在

屏幕上画出一系列的帧来造成运动的感觉。

我们先构造一个程序的框架,再慢慢扩展,使之功能比较齐备。-Basic techniques:

　　　　In Java, there are many ways to achieve animation, but they realize the basic principle is the same, that is

　Draw a series of frames on the screen, causing a feeling of movement.

　　　　Let us construct a program framework, and then gradually expanded so that more complete functionality.