AS写的简单的扫雷

/*

10*10平铺网格，10个雷，未作扩展

可用上下左右键移动，F键标识，空格扫雷

扫雷结束后，未实现开始新游戏的功能

*/

package

{

import flash.display.MovieClip;

import flash.display.Sprite;

import flash.events.KeyboardEvent;

import flash.events.MouseEvent;

import flash.text.TextField;

import flash.text.TextFormat;

import flash.ui.Keyboard;

public class MineSweeper extends Sprite

{

private var w:uint;//横向节点数

private var h:uint;//纵向节点数

private var wh:uint;//节点的宽与高

private var c:uint;//控制地图中地雷的数量

private var sweepCount:uint;//已扫出雷的数量

private var sum:uint;//扫雷过程中，开启的节点总数

private var dx:uint;//当前操作格x坐标

private var dy:uint;//当前操作格y坐标

private var map:Sprite;//地图容器

private var mapArr:Array = new Array;//地图数组

private var curr:MovieClip = new MovieClip;

private var old:MovieClip = new MovieClip;

private var res:TextField;

//构造函数

public function MineSweeper()

{

init();

}

//初始化

private function init():void

{

w = 10;

h = 10;

wh = 30;

c = (w+h)/2;

sweepCount = 0;

sum = 0;

createMap();

createTip();

stage.addEventListener(KeyboardEvent.KEY_DOWN, keyDown);//键盘事件

}

//生成地图

private function makeMap():void

{

if (null != map)

{

removeChild(map);

mapArr = [];

createMap();

}

}

//创建地图

private function createMap():void

{

map = new Sprite;

map.x = wh;

map.y = wh;

addChild(map);

map.addEventListener(MouseEvent.MOUSE_DOWN, mapMouseDown);//鼠标点击地图事件

for (var x:uint=0; x<w; x++) {

mapArr.push(new Array);//建立二维数组保存地图信息

for (var y:uint=0; y<h; y++) {

var mapPoint:uint = 0/*Math.round(Math.random() - goo)*/;

var point:MovieClip=drawRect(mapPoint);//画出节点

point.name = "p"+x+"_"+y;

mapArr[x].push(point);//将节点加入地图数组中

mapArr[x][y].px=x;//当前节点横向索引位置

mapArr[x][y].py=y;//当前节点纵向索引位置

mapArr[x][y].mine=0;//标识雷 0：无雷 1：有雷

mapArr[x][y].status=0;//标识是否已经扫雷 0：未扫 1：已扫

mapArr[x][y].flag=0;//标识是否为雷 0：为标识 1：已标识

mapArr[x][y].x=x * wh;//当前节点的x位置

mapArr[x][y].y=y * wh;//当前节点的y位置

map.addChild(point);//将节点显示到地图容器中

//显示地图编号

var txt:TextField = new TextField;

var tf:TextFormat = new TextFormat;

tf.color = 0x0000ff;

txt.setTextFormat(tf);

txt.name = "t" + x + "_" + y;

txt.width = 30;

txt.height = 30;

txt.x=x * wh;

txt.y=y * wh;

// txt.text = "("+x+","+y+")";

txt.mouseEnabled = false;

map.addChild(txt);

}

}

createMine();

setFocus();//当前操作格

}

//创建提示信息

private function createTip():void {

res = new TextField;

res.x = wh;

res.y = (h+1)*wh + 10;

res.width = 200;

res.height = 30;

// res.text = "just do it ";

addChild(res);

}

//创建地雷

private function createMine():void

{

var count:uint = c;

//埋雷

while (count > 0) {

var x:uint = uint(Math.random()*w);

var y:uint = uint(Math.random()*h);

//防止埋重复的地雷

if (mapArr[x][y].mine == 0) {

mapArr[x][y].mine = 1;

count--;

(map.getChildByName("t" + x + "_" + y) as TextField).text = "*";

}

}

}

//点击地图事件处理

private function mapMouseDown(event:MouseEvent):void

{

var point:MovieClip = event.target as MovieClip;

start(point);

}

//开始扫雷

private function start(point:MovieClip):void {

if (point.status == 1) return;//如果已扫雷，则返回

var count:uint = 0;//统计周边雷的数量

if (point.mine == 0) {

openMap(point);

// trace("无雷");

} else {

drawRect(3, point);//标识为已扫雷状态

point.status = 1;

showResult(0);//扫雷失败

}

}

//设置焦点

private function setFocus():void {

dx = 0;

dy = 0;

curr = map.getChildByName("p"+dx+"_"+dy) as MovieClip;

old = curr;

drawRect(4,curr);

}

//清除焦点

private function clearFocus(point:MovieClip):void {

if (point.status == 0) {

drawRect(0,point);

} else {

drawRect(2,point);

}

}

//改变焦点

private function changeFocus():void {

clearFocus(old);

curr = map.getChildByName("p"+dx+"_"+dy) as MovieClip;

old = curr;

drawRect(4,curr);

}

//监听键盘事件

private function keyDown(event:KeyboardEvent):void {

/*

backspace 8

tab 9

enter 13

esc 27

space 32

left
37

up
38

right 39

down
40

*/

switch (event.keyCode) {

case Keyboard.SPACE:

start(curr);

break;

case Keyboard.LEFT:

if (dx>0) dx--;

changeFocus();

break;

case Keyboard.RIGHT:

if (dx<w-1) dx++;

changeFocus();

break;

case Keyboard.UP:

if (dy>0) dy--;

changeFocus();

break;

case Keyboard.DOWN:

if (dy<h-1) dy++;

changeFocus();

break;

case 70://'F'

case 102://'f'

var p:MovieClip = map.getChildByName("p" + dx + "_" + dy) as MovieClip;

if (p.status == 1) return;//如果已扫雷，则返回

//如果未标识，则标识为雷；否则清除

var t:TextField = map.getChildByName("t" + dx + "_" + dy) as TextField;

t.textColor = 0xff0000;

if (p.flag == 0) {

t.text = "F";

p.flag = 1;

if (p.mine == 1) {

sweepCount++;

if (sweepCount == c) showResult(1);//扫雷成功

}

} else {

t.text = "";

p.flag = 0;

}

break;

}

}

//扫雷，显示无雷节点的周边节点雷的数量

private function openMap(mc:MovieClip):void

{

var count:uint = 0;//统计周边雷的数量

//显示周边雷的情况

for (var x:int=mc.px-1; x<=mc.px+1; x++) {

for (var y:int=mc.py-1; y<=mc.py+1; y++) {

//边界处理

if (x>=0 && x<=w-1 && y>=0 && y<=h-1) {

if (x==mc.px && y==mc.py) continue;

if (mapArr[x][y].mine == 1) {

count++;

}

}

}

}

mc.status = 1;

sum++;

if (sum == w*h) showResult(1);

drawRect(2, mc);//标识为已扫雷状态

if (count > 0) {

(map.getChildByName("t" + mc.px + "_" + mc.py) as TextField).text = "" + count;

} else {

//显示节点周边雷的数量

for (x=mc.px-1; x<=mc.px+1; x++) {

for (y=mc.py-1; y<=mc.py+1; y++) {

if (x>=0 && x<=w-1 && y>=0 && y<=h-1) {

if (x==mc.px && y==mc.py) continue;

var tmp:MovieClip = map.getChildByName("p" + x + "_" + y) as MovieClip;

if (tmp.status == 0) openMap(tmp);

}

}

}

}

}

//显示结果

private function showResult(win:uint = 1):void {

if (win == 1) {

res.text = "You win!";

} else {

res.text = "You lose.";

}

}

//根据传入的数值，生成不同的节点

private function drawRect(mapPoint:uint, mc:MovieClip = null):MovieClip

{

if (null == mc) {

mc = new MovieClip;

} else {

mc.graphics.clear();

}

var color:uint;

switch (mapPoint) {

case 0 :

color=0x999999;//可通过为灰色

break;

case 1 :

color=0x000000;//不可通过为黑色

break;

case 2:

color=0xa4cec8;

break;

case 3:

color=0xff0000;

break;

case 4:

color=0x9bafb9;

break;

default :

color=0xff0000;

}//End switch

mc.graphics.beginFill(color);

mc.graphics.lineStyle(0.2,0xFFFFFF);

mc.graphics.drawRect(0,0,wh,wh);

mc.graphics.endFill();

return mc;

}

}

}