HTML5编写经典的坦克大战,网页游戏版，ASDW四个键控制方向，适时显示子弹状态，定义一个Hero类，x 表示坦克的 横坐标, y 表示纵坐标, direct 方向，绘制坦克，画出自己的坦克，使用前面的绘图技术，其它的敌人坦克，这里的扩展性，还是不错的，定义一个炸弹类。子弹类：type表示：这颗子弹是敌人的，还是自己的，tank表示对象，说明这颗子弹，属于哪个坦克.-HTML5 classic casual writing, web game version, ASDW four keys to control the direction of the bullet time display status, define a Hero class, x represents tanks abscissa, y is the vertical coordinate, direct direction, drawing tanks, draw your own tanks, the use of graphics technology front, the other enemy tanks, where scalability is good, defining a bomb class. Bullet class: type, said: bullet is the enemy, or his own, tank represent objects, indicating that the bullet, which belongs to the tank.