JavaScript 拼图游戏

JavaScript 拼图游戏

文章目录

JavaScript 拼图游戏

html部分
js部分
图片

html部分

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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>Document</title>

</head>
<body>
<div id="game">

</div>
<script src="script/index2.js"></script>
</body>
</html>

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/**
* 游戏配置
* */

var gameConfig = {
width: 500,
height: 500,
rows: 3, //行数
cols: 3, //列数
isOver: false, //游戏是否结束
imgurl: "img/lol.png", //图片路径，注意：相对的是页面路径
dom: document.getElementById("game") //游戏的dom对象
};
//每一块的高度
gameConfig.pieceWidth = gameConfig.width / gameConfig.cols;
gameConfig.pieceHeight = gameConfig.height / gameConfig.rows;

//小块的数量
gameConfig.pieceNumber = gameConfig.rows * gameConfig.cols;
/**
* @param init() 初始化游戏
*/

var blocks = [];
function isEqual(b1,b2) {
return parseInt(b1) === parseInt(b2);
}

function Block(left, top, isVisible) {
this.left = left; //当前的横坐标
this.top = top; //当前的纵坐标
this.correctLeft = this.left; //正确的横坐标
this.correctTop = this.top; //正确的纵坐标
this.isVisible = isVisible;
this.dom = document.createElement("div");
this.dom.style.width = gameConfig.pieceWidth + "px";
this.dom.style.height = gameConfig.pieceHeight + "px";
this.dom.style.background = `url("${gameConfig.imgurl}") -${this.correctLeft}px -${this.correctTop}px`;
this.dom.style.position = "absolute";
this.dom.style.border = "1px solid #fff";
this.dom.style.boxSizing = "border-box";
this.dom.style.cursor = "pointer";
// this.dom.style.transition = ".5s"; //css属性变化的时候，在0.5秒中内完成
if (!isVisible) {
this.dom.style.display = "none";
}
gameConfig.dom.appendChild(this.dom);
this.show = function () {
//根据当前的left、top，重新设置div的位置
this.dom.style.left = this.left + "px";
this.dom.style.top = this.top + "px";
}
//判断是否在正确的位置上
this.isCorrect = function () {
return isEqual(this.left , this.correctLeft) && isEqual(this.top , this.correctTop);
}
this.show();
}

function init() {
//1.用函数设置最外面的容器样式
initGameDom();
//2. 初始化小方块
//2.1 准备好一个数组，数组的每一项是一个对象，记录了每一个小方块的信息
initBlocksArray();
//3.随机小块的下表
shuffle()
//4. 注册点击事件
regEvent();

function regEvent() {
var isVisibleBlock = blocks.find(function (b) {
return !b.isVisible;
})
blocks.forEach(function (b) {
b.dom.onclick = function () {
if (gameConfig.isOver) {
return;
}
if(b.top === isVisibleBlock.top && isEqual(Math.abs(b.left - isVisibleBlock.left), gameConfig.pieceWidth)
||
b.left === isVisibleBlock.left && isEqual(Math.abs(b.top - isVisibleBlock.top), gameConfig.pieceHeight)){
//交换当前方块和看不见的方块的坐标位置
exchange(b, isVisibleBlock);
//游戏结束判定
isWin();
}
}
})
}
function isWin() {
var wrongs = blocks.filter(function (item) {
return !item.isCorrect();
})
if(wrongs.length === 0) {
gameConfig.isOver = true;
//游戏结束，去掉所有边框
blocks.forEach(function (b) {
b.dom.style.border = "none";
b.dom.style.display = "block";
});
}
}

function getRandom(min, max) {
return Math.floor(Math.random() * (max + 1 - min) + min);
}
function exchange(b1, b2) {
var temp = b1.left;
b1.left = b2.left;
b2.left = temp;

temp = b1.top;
b1.top = b2.top;
b2.top = temp;

b1.show();
b2.show();
}
function shuffle(){
for(var i = 0; i < blocks.length - 1; i ++) {
var index = getRandom(0,blocks.length - 2);
exchange(blocks[i],blocks[index]);

}
}

function initBlocksArray() {
for (var i = 0; i < gameConfig.rows; i++) {
for (var j = 0; j < gameConfig.cols; j++) {
var isVisible = true;
if(i === gameConfig.rows - 1 && j === gameConfig.cols -1) {
isVisible = false;
}
var b = new Block(j * gameConfig.pieceWidth, i * gameConfig.pieceHeight, isVisible);
blocks.push(b);
}
}
}

function initGameDom() {
gameConfig.dom.style.width = gameConfig.width + "px";
gameConfig.dom.style.height = gameConfig.height + "px";
gameConfig.dom.style.border = "2px solid #ccc";
gameConfig.dom.style.position = "relative";
}
}
init();

图片

在这里插入图片描述您可下载或者复制,试着写写哦!!! 但记得点赞哦! 哈哈.