下面让我们来看一下最核心的js部分实现代码，js部分分为三个源文件即game.js、map.js、piece.js每一个源文件对应一个类，其中本游戏通过game类来操纵map和图片piece对象：
// 游戏控制类
var Game = {
// 游戏背景
gamePanel : null,
// 分数
score : 0,
// 时间
time : 0,
// 图片映射表
pieceMap : null,
// 图片列表
pieceList : [],
// 图片列表不包含图片
pieceImgList : [],
// 图片随机数列表
randomList : [],
// 轨迹列表
trackList : [],
// 游戏是否开始
isGameBigin : false,
// 游戏是否结束
isGameOver : false,
// 游戏是否重置
isGameReset : false,
// 图片元素是否第一次点击
isFirstClick : true,
// 开始游戏
start : function() {
document.getElementById("start").disabled = true;
document.getElementById("reset").disabled = false;
if (this.isGameReset) {
this.isGameOver = false;
this.startTime();
return;
} else if (this.isGameBegin) {
return;
} else {
this.init();
return;
}
},
reset : function() {
document.getElementById("start").disabled = false;
document.getElementById("reset").disabled = true;
this.clear();
this.initPieces();
this.initImgPieces();
this.time = 0;
document.getElementById("time").innerHTML = 0;
this.score = 0;
document.getElementById("score").innerHTML = 0;
this.isGameReset = true;
this.isGameBegin = true;
},
// 初始化
init : function() {
if (this.isGameBegin) {
return;
}
this.pieceMap = new Map();
var _this = this;
this.time = 0;
this.startTime();
this.gamePanel = document.getElementById("pieces");
this.initPieces();
this.initImgPieces();
this.isGameBegin = true;
},
// 将随机生成的150张图片添加进画布
initPieces : function() {
var _this = this;
this.initRandomList();
// 打乱随机列表
排序 this.messRandomList();
for (var i = 0; i < 204; i ++) {
var piece = new Piece(this);
this.pieceList.push(piece);
var x = (i%17);
var y = Math.floor(i/17);
this.pieceMap.put(x+","+y, piece);
piece.setPosition(x, y);
this.gamePanel.appendChild(piece.dom);
if (x == 0 || x == 16 || y == 0 || y == 11) {
piece.track = document.createElement("div");
piece.track.className = "track";
piece.dom.appendChild(piece.track);
piece.isTracked = true;
continue;
} else {
if (x == 1 || x == 15 || y == 1 || y == 10) {
piece.setAtEdge(true);
}
this.pieceImgList.push(piece);
}
}
},
// 初始化图片
initImgPieces : function() {
for (var i = 0; i < this.pieceImgList.length; i ++) {
this.pieceImgList[i].initImg();
this.pieceImgList[i].img.src = "img/pieces/"+this.randomList[i]+".gif"
this.pieceImgList[i].setImgSrc(this.pieceImgList[i].img.src);
// 执行图片点击事件
this.pieceImgList[i].onClick();
}
},
// 初始化随机表
initRandomList : function() {
// 获取随机数列，成双出现
for (var i = 0; i < 75; i ++) {
var random = parseInt(Math.random()*22*10000, 10);
var number = random%23;
this.randomList.push(number);
this.randomList.push(number);
}
},
// 打乱随机表
messRandomList : function() {
for (var i = 0; i < this.randomList.length; i ++) {
var random = parseInt(Math.random()*15*10000, 10);
var number = random%150;
var temp;
temp = this.randomList[i];
this.randomList[i] = this.randomList[number];
this.randomList[number] = temp;
}
},
// 开始计时
startTime : function() {
var _this = this;
if (this.isGameOver) {
return;
} else {
this.time ++;
document.getElementById("time").innerHTML = this.time;
this.isGameBegin = true;
setTimeout(function() {_this.startTime();}, 1000);
}
},
// 清除
clear : function() {
for (var i = 0; i < this.pieceList.length; i ++) {
this.gamePanel.removeChild(this.pieceList[i].dom);
}
this.pieceList = [];
this.randomList = [];
this.pieceImgList = [];
this.isGameOver = true;
this.isGameBegin = false;
}
}
window.onload = function() {
document.getElementById("start").disabled = false;
document.getElementById("reset").disabled = true;
}
// 游戏开始入口
function Start() {
Game.start();
}
// 游戏重置入口
function Reset() {
Game.reset();
}
var Piece = function(game) {
// 游戏对象
this.game = game;
// 是否为边缘元素
this.isEdge = false;
// 是否挨着边缘元素
this.atEdge = false;
// 图片dom元素
this.dom = null;
// 图片元素
this.img = null;
// 图片元素来源
this.src = null;
// 轨迹元素
this.track = null;
// 是否可以作为轨迹
this.isTracked = false;
// 选中标记元素
this.selected = null;
// 图片横向排列
this.x = 0;
// 图片纵向排列
this.y = 0;
// 图片闪烁Id
this.flashId = null;
// 图片是否点击
this.onClicked = false;
// 闪烁次数
this.flashCount = 0;
this.init();
}
Piece.prototype = {
// 初始化
init : function() {
this.dom = document.createElement("div");
this.dom.className = "piece";
this.selected = document.createElement("img");
},
// 初始化图片
initImg : function() {
this.img = document.createElement("img");
this.dom.appendChild(this.img);
},
// 满足
算法后初始化track元素
initTrack : function() {
if (this.flashId != null) {
// 停止闪烁
this.stopFlash();
}
//alert("initTrack middle");
if (this.track != null) {
return;
}
this.onClicked = false;
this.dom.removeChild(this.img);
this.track = document.createElement("div");
this.track.className = "track";
this.dom.appendChild(this.track);
},
// 位图片设置来源
setImgSrc : function(src) {
this.src = src;
},
// 为图片设置二维排列位置
setPosition : function(x, y) {
this.x = x;
this.y = y;
},
// 为图片设置选中元素
setSelected : function() {
if (this.flashCount ++ % 2 == 0) {
//this.dom.removeChild(this.img);
//this.selected.src = "img/selected.gif";
//this.dom.appendChild(this.selected);
this.img.src = "img/pieces/flash.gif";
} else {
//if (this.selected != null) {
// this.dom.removeChild(this.selected);
//}
this.img.src = this.src;
//this.dom.appendChild(this.img);
}
},
// 设置是否为边缘元素
setEdge : function(isEdge) {
this.isEdge = isEdge;
},
// 设置是否挨着边缘元素
setAtEdge : function(atEdge) {
this.atEdge = atEdge;
},
// 开始闪烁
flash : function() {
var _this = this;
this.flashId = setInterval(function() {_this.setSelected();}, 500);
},
// 停止闪烁
stopFlash : function() {
clearInterval(this.flashId);
if (this.flashCount % 2 == 1) {
//if (this.selected != null) {
// this.dom.removeChild(this.selected);
//}
this.img.src = this.src;
//this.dom.appendChild(this.img);
}
},
// 对象被选择的内部函数
onClick : function() {
if (this.onClicked) {
return;
}
var _this = this;
this.img.onclick = function() {
if (!document.getElementById("start").disabled) {
return;
}
if (_this.onClicked) {
return;
}
if (_this.checkPiece()) {
return;
}
_this.flash();
_this.onClicked = true;
};
},
// 检查是否有被点击的图片
checkPiece : function() {
for (var i = 0; i < this.game.pieceList.length; i ++) {
if (this.game.pieceList[i].onClicked && !this.game.pieceList[i].equal(this)) {
if (this.game.pieceList[i].equalImage(this)) {
//alert("The same Image");
this.searchTrack(this.game.pieceList[i]);
} else {
this.game.pieceList[i].stopFlash();
this.game.pieceList[i].onClicked = false;
this.onClicked = false;
return false;
}
return true;
} else {
continue;
}
}
return false;
},
// 是否为同一个对象
equal : function(piece) {
return (this.x == piece.x && this.y == piece.y);
},
// 是否为同一个图片
equalImage : function(piece) {
return this.src == piece.src;
},
// 搜寻路径
searchTrack : function(piece) {
if (this.isNear(piece)) {
this.linkTrack(piece);
return;
}
if (this.isReach(piece) || this.isReach2(piece)) {
this.linkTrack(piece);
return;
}
},
// 是否相邻
isNear : function(piece) {
var a = (Math.abs(piece.x - this.x) == 1) && (piece.y == this.y)
|| (Math.abs(piece.y - this.y) == 1) && (piece.x == this.x);
return a;
},
// 直线
isStr
aightReach : function(piece) {
//alert("isStraightReach");
if (this.isNear(piece)) {
return true;
}
var a = false;
var b = false;
// 沿y轴方向搜索
if (this.x == piece.x) {
//alert("!!!!!!!!!!!");
for (var i = this.min(this.y, piece.y) + 1; i < this.max(this.y, piece.y); i ++) {
//alert("this.x == piece.x: " + piece.x + "," + i);
if (this.game.pieceMap.get(piece.x + "," + i).isPass()) {
a = true;
this.game.trackList.push(this.game.pieceMap.get(piece.x + "," + i));
continue;
} else {
a = false;
this.game.trackList = [];
return a;
}
}
}
// 沿x轴方向搜索
if (this.y == piece.y) {
//alert("!!!!!!!!!!!");
for (var i = this.min(this.x, piece.x) + 1; i < this.max(this.x, piece.x); i ++) {
//alert("this.y == piece.y: " + i + "," + piece.y);
if (this.game.pieceMap.get(i + "," + piece.y).isPass()) {
b = true;
this.game.trackList.push(this.game.pieceMap.get(i + "," + piece.y));
continue;
} else {
b = false
this.game.trackList = [];
return b;
}
}
}
return a || b;
},
// 拐一次弯搜索
isReach1 : function(piece) {
//alert("isReach1");
var corner_1 = this.game.pieceMap.get(this.x + "," + piece.y);
var corner_2 = this.game.pieceMap.get(piece.x + "," + this.y);
var _this = this;
if ((_this.isStraightReach(corner_1))
&& (corner_1.isStraightReach(piece))
&& corner_1.isPass()) {
//alert("corner_1: " + this.x + "," + piece.y);
this.game.trackList.push(corner_1);
return true;
}
if ((_this.isStraightReach(corner_2))
&& (corner_2.isStraightReach(piece))
&& corner_2.isPass()) {
//alert("corner_2: " + piece.x + "," + this.y);
this.game.trackList.push(corner_2);
return true;
}
return false;
},
// 直接或拐一次弯搜索
isReach : function(piece) {
var a = this.isStraightReach(piece);
var b = this.isReach1(piece);
return a || b;
},
// 拐两次弯搜索
isReach2 : function(piece) {
// 沿x轴正向搜索
for (var i = this.x + 1; i < 17; i ++) {
if (!this.game.pieceMap.get(i + "," + this.y).isPass()) {
this.game.trackList = [];
break;
} else if (this.game.pieceMap.get(i + "," + this.y).isReach(piece)
&& this.game.pieceMap.get(i + "," + this.y).isPass()) {
this.game.trackList.push(this.game.pieceMap.get(i + "," + this.y));
return true;
}
}
// 沿x轴搜索
for (var i = this.x - 1; i >= 0; i --) {
if (!this.game.pieceMap.get(i + "," + this.y).isPass()) {
this.game.trackList = [];
break;
} else if (this.game.pieceMap.get(i + "," + this.y).isReach(piece)
&& this.game.pieceMap.get(i + "," + this.y).isPass()) {
this.game.trackList.push(this.game.pieceMap.get(i + "," + this.y));
return true;
}
}
// 沿y轴搜索
for (var i = this.y - 1; i >= 0; i --) {
if (!this.game.pieceMap.get(this.x + "," + i).isPass()) {
this.game.trackList = [];
break;
} else if (this.game.pieceMap.get(this.x + "," + i).isReach(piece)
&& this.game.pieceMap.get(this.x + "," + i).isPass()) {
this.game.trackList.push(this.game.pieceMap.get(this.x + "," + i));
return true;
}
}
// 沿y轴正向搜索
for (var i = this.y + 1; i < 12; i ++) {
if (!this.game.pieceMap.get(this.x + "," + i).isPass()) {
this.game.trackList = [];
break;
} else if (this.game.pieceMap.get(this.x + "," + i).isReach(piece)
&& this.game.pieceMap.get(this.x + "," + i).isPass()) {
this.game.trackList.push(this.game.pieceMap.get(this.x + "," + i));
return true;
}
}
return false;
},
// 路径连接
linkTrack : function(piece) {
this.initTrack();
piece.initTrack();
this.changeScore();
this.showTrack(piece);
},
// 显示足迹
showTrack : function(piece) {
this.game.trackList.push(piece);
this.track.className = "track2";
for (var i = 0; i < this.game.trackList.length; i ++) {
//alert(i);
this.game.trackList[i].track.className = "track2";
}
var _this = this;
setTimeout(function() {_this.hideTrack()}, 500);
},
// 隐匿足迹
hideTrack : function() {
for (var i = 0; i < this.game.trackList.length; i ++) {
this.game.trackList[i].track.className = "track";
}
this.game.trackList = [];
this.track.className = "track";
this.isTracked = true;
},
// 分数增加
changeScore : function() {
this.game.score += 100;
document.getElementById("score").innerHTML = this.game.score;
},
min : function(a, b) {
if (a < b) {
return a;
} else {
return b;
}
},
max : function(a, b) {
if (a > b) {
return a;
} else {
return b;
}
},
// 判断是否通过
isPass : function() {
return this.track != null;
}
}
请到CSDN中zhangjinpeng66的资源里下载。
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