J2ME贪吃蛇游戏.doc

J2ME贪吃蛇游戏
贪吃蛇游戏里共包含MIDlet、Canvas、Dislog、RMS、SnakeClass五个包、总共有17个类。
Canvas包里包含6个类,在这个包里面所有的类都继承了Canvas类,BeginCanvas类:
public class BeginCanvas extends Canvas {
// 用于画布切换
private SnakeMIDlet parent = null;
private GameData snakeOpe = new GameData("snake_feifeidan");
// 背景画面
private Image image_bg = null;
// 选择条
private Image image_choice = null;
// 选择的x坐标
private int choice_x;
// 选择的y坐标
private int choice_y;
private int node = 4;
private final int first_x = 12, first_y = 60;
// 构造函数
public BeginCanvas(SnakeMIDlet p) {
…………………………………………………………….
}
// 绘制背景图层及选择条
protected void paint(Graphics g) {
………………………………………………
}
// 选择条向上移动
private void up() {
…………………………………………………
}
// 选择条向下移动
private void down() {
……………………………………………………………
}
// 在选择条位置选中
private void fixed() {
…………………………………………………..
}
// 非游戏按键检测
protected void keyPressed(int keyCode) {
………………………………………………………………….
}
SnakeGameCanvas类:
public class SnakeGameCanvas extends GameCanvas implements Runnable{
private SnakeMIDlet parent = null;
private RMSChartOpe chartOpe = new RMSChartOpe("chart");
private GameData data = new GameData("snake_feifeidan");
//画笔
private Graphics gra = null;
//核查是否运行run
private boolean move = false;
//关卡level
private Level level = null;
//食物
private Food food = null;
//贪食蛇
private Snake snake = null;
private