这期内容当中小编将会给大家带来有关使用JavaScript编写一个消消乐小游戏，文章内容丰富且以专业的角度为大家分析和叙述，阅读完这篇文章希望大家可以有所收获。
index.html
<!doctype html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0"> <meta http-equiv="X-UA-Compatible" content="ie=edge"> <title>LuckyStar</title> <link rel="stylesheet" href="./css/index.css?v=1.0.0" rel="external nofollow" > </head> <body> <div class="lucky-star" id="luckyStar"> <div class="score-target"> <p class="score-level">关卡 <span id="scoreLevel"></span></p> <p>目标：<span id="scoreTarget"></span></p> </div> <div class="score-current">得分<span id="scoreCurrent"></span></div> <div class="score-select" id="scoreSelect"></div> <ul class="star-list" id="starList"> </ul> </div> </body> <script src="./js/countUp.js"></script> <script src="./js/index.js"></script> <script src="./js/resize.js"></script> <script> new PopStar() </script> </html>
JS文件
main.js
(function() {
//全局配置
var config = {
tileWidth: .75, //小星星的宽高
tileHeight: .75,
tileSet: [], //存储小星星的二维数组
tableRows: 10, //行数
baseScore: 5, //每一个小星星的基础分数
stepScore: 10, //每一个小星星的递增分数
targetScore: 2000, //目标分数，初始为2000
el: document.querySelector('#starList'),// 星星列表
scoreTarget: document.querySelector('#scoreTarget'),//目标分数
scoreCurrent: document.querySelector('#scoreCurrent'),//当前分数
scoreSelect: document.querySelector('#scoreSelect'),//选中星星分数
scoreLevel: document.querySelector('#scoreLevel'),//当前所在的关数
};
//全局计算属性
var computed = {
flag: true, //锁
choose: [], //已选中的小星星集合
timer: null,
totalScore: 0, //总分数
tempTile: null,
level: 1, //当前所在的关数（每闯过一关+1，游戏失败回复为1）
stepTargetScore: 1000, //闯关成功的递增分数（1000/关）
score: 0 //当前的计算分数
};
//Block对象
function Block(number, row, col) {
var tile = document.createElement('li');
tile.width = config.tileWidth;
tile.height = config.tileHeight;
tile.number = number;
tile.row = row;
tile.col = col;
return tile;
}
//入口函数
function PopStar() {
return new PopStar.prototype.init();
}
//PopStar原型
PopStar.prototype = {
/**
* PopStar的入口函数
*/
init: function() {
this.initTable();
},
/**
* 初始化操作
*/
initTable: function() {
this.initScore();
this.initTileSet();
this.initBlocks();
},
/**
* 初始化当前分数和目标
*/
initScore: function() {
new CountUp(config.scoreTarget, config.targetScore, config.targetScore).start();
config.scoreCurrent.innerHTML = computed.totalScore;
config.scoreLevel.innerHTML = computed.level;
},
/**
* 点击事件操作
*/
mouseClick: function() {
var tileSet = config.tileSet,
choose = computed.choose,
baseScore = config.baseScore,
stepScore = config.stepScore,
el = config.el,
self = this,
len = choose.length;
if (!computed.flag || len <= 1) {
return;
}
computed.flag = false;
computed.tempTile = null;
var score = 0;
for (var i = 0; i < len; i++) {
score += baseScore + i * stepScore;
}
new CountUp(config.scoreCurrent, computed.totalScore, computed.totalScore += score).start();
for (var i = 0; i < len; i++) {
setTimeout(function(i) {
tileSet[choose[i].row][choose[i].col] = null;
el.removeChild(choose[i]);
}, i * 100, i);
}
setTimeout(function() {
self.move();
//判断结束
setTimeout(function() {
if (self.isFinish()) {
self.clear();
if (computed.totalScore >= config.targetScore) {
new CountUp(config.scoreTarget, config.targetScore, config.targetScore += (computed.level - 1) * computed
.stepTargetScore)
.start();
new CountUp(config.scoreLevel, computed.level, computed.level += 1).start();
alert("恭喜获胜");
console.log("恭喜获胜")
} else {
config.targetScore = config.scoreTarget = 2000;
computed.level = computed.totalScore = 0;
alert("游戏失败");
console.log("游戏失败")
}
computed.flag = true;
} else {
choose = [];
computed.flag = true; //在所有动作都执行完成之后释放锁
self.mouseOver(computed.tempTile);
}
}, 300 + choose.length * 150);
}, choose.length * 100);
},
/**
* 闯关成功或失败清除（清除二维数组和el的子节点）操作
*/
clear: function() {
var tileSet = config.tileSet,
rows = tileSet.length,
el = config.el;
var temp = [];
for (var i = rows - 1; i >= 0; i--) {
for (var j = tileSet[i].length - 1; j >= 0; j--) {
if (tileSet[i][j] === null) {
continue;
}
temp.push(tileSet[i][j])
tileSet[i][j] = null;
}
}
for (var k = 0; k < temp.length; k++) {
setTimeout(function(k) {
el.removeChild(temp[k]);
if(k>=temp.length-1){
setTimeout(function(k) {
new PopStar();
},1000)
}
}, k * 100, k);
}
},
/**
* 是否游戏结束
* @returns {boolean}
*/
isFinish: function() {
var tileSet = config.tileSet,
rows = tileSet.length;
for (var i = 0; i < rows; i++) {
var row = tileSet[i].length;
for (var j = 0; j < row; j++) {
var temp = [];
this.checkLink(tileSet[i][j], temp);
if (temp.length > 1) {
return false;
}
}
}
return true;
},
/**
* 消除星星后的移动操作
*/
move: function() {
var rows = config.tableRows,
tileSet = config.tileSet;
//向下移动
for (var i = 0; i < rows; i++) {
var pointer = 0; //pointer指向小方块，当遇到null的时候停止，等待上面的小方块落到这里来
for (var j = 0; j < rows; j++) {
if (tileSet[j][i] != null) {
if (j !== pointer) {
tileSet[pointer][i] = tileSet[j][i];
tileSet[j][i].row = pointer;
tileSet[j][i] = null;
}
pointer++;
}
}
}
//横向移动（最下面一行其中有无空列）
for (var i = 0; i < tileSet[0].length;) {
if (tileSet[0][i] == null) {
for (var j = 0; j < rows; j++) {
tileSet[j].splice(i, 1);
}
continue;
}
i++;
}
this.refresh()
},
/**
* 鼠标移入时的闪烁操作
* @param obj
*/
mouseOver: function(obj) {
if (!computed.flag) { //处于锁定状态不允许有操作
computed.tempTile = obj;
return;
}
this.clearFlicker();
var choose = [];
this.checkLink(obj, choose);
computed.choose = choose;
if (choose.length <= 1) {
choose = [];
return;
}
this.flicker(choose);
this.computeScore(choose);
},
/**
* 计算已选中的星星分数
* @param arr
*/
computeScore: function(arr) {
var score = 0,
len = arr.length,
baseScore = config.baseScore,
stepScore = config.stepScore;
for (var i = 0; i < len; i++) {
score += baseScore + i * stepScore
}
if (score <= 0) {
return;
}
computed.score = score;
config.scoreSelect.style.opacity = '1';
config.scoreSelect.innerHTML = arr.length + "连消 " + score + "分";
setTimeout(function() {
config.scoreSelect.style.opacity = '0';
}, 1200)
},
/**
* 鼠标移出时的消除星星闪烁的操作
*/
clearFlicker: function() {
var tileSet = config.tileSet;
for (var i = 0; i < tileSet.length; i++) {
for (var j = 0; j < tileSet[i].length; j++) {
var div = tileSet[i][j];
if (div === null) {
continue;
}
div.classList.remove("scale");
}
}
},
/**
* 星星闪烁
* @param arr
*/
flicker: function(arr) {
for (var i = 0; i < arr.length; i++) {
var div = arr[i];
div.classList.add("scale");
}
},
/**
* 检查鼠标移入的这个星星是否有相连着的相同的星星，
* @param obj star
* @param arr choose
*/
checkLink: function(obj, arr) {
if (obj === null) {
return;
}
arr.push(obj);
/**
* 检查左边方块是否可以加入到选入的可消除星星行列：
* 选中的星星不能是最左边的，
* 选中的星星左边要有星星，
* 选中的星星左边的星星的跟选中的星星一样，
* 选中的星星左边的星星没有被选中过
*/
var tileSet = config.tileSet,
rows = config.tableRows;
if (obj.col > 0 && tileSet[obj.row][obj.col - 1] && tileSet[obj.row][obj.col - 1].number === obj.number && arr.indexOf(
tileSet[obj.row][obj.col - 1]) === -1) {
this.checkLink(tileSet[obj.row][obj.col - 1], arr);
}
if (obj.col < rows - 1 && tileSet[obj.row][obj.col + 1] && tileSet[obj.row][obj.col + 1].number === obj.number &&
arr.indexOf(tileSet[obj.row][obj.col + 1]) === -1) {
this.checkLink(tileSet[obj.row][obj.col + 1], arr);
}
if (obj.row < rows - 1 && tileSet[obj.row + 1][obj.col] && tileSet[obj.row + 1][obj.col].number === obj.number &&
arr.indexOf(tileSet[obj.row + 1][obj.col]) === -1) {
this.checkLink(tileSet[obj.row + 1][obj.col], arr);
}
if (obj.row > 0 && tileSet[obj.row - 1][obj.col] && tileSet[obj.row - 1][obj.col].number === obj.number && arr.indexOf(
tileSet[obj.row - 1][obj.col]) === -1) {
this.checkLink(tileSet[obj.row - 1][obj.col], arr);
}
},
/**
* 初始化二维数组
*/
initTileSet: function() {
var rows = config.tableRows,
arr = config.tileSet;
for (var i = 0; i < rows; i++) {
arr[i] = [];
for (var j = 0; j < rows; j++) {
arr[i][j] = [];
}
}
},
/**
* 初始化el的子节点
*/
initBlocks: function() {
var tileSet = config.tileSet,
self = this,
el = config.el,
cols = tileSet.length;
for (var i = 0; i < cols; i++) {
var rows = tileSet[i].length;
for (var j = 0; j < rows; j++) {
var tile = this.createBlock(Math.floor(Math.random() * 5), i, j);
tile.onmouseover = function() {
self.mouseOver(this)
};
tile.onclick = function() {
self.mouseClick();
};
tileSet[i][j] = tile;
el.appendChild(tile);
}
}
this.refresh()
},
/**
* 渲染el的子节点
*/
refresh: function() {
var tileSet = config.tileSet;
for (var i = 0; i < tileSet.length; i++) {
var row = tileSet[i].length;
for (var j = 0; j < row; j++) {
var tile = tileSet[i][j];
if (tile == null) {
continue;
}
tile.row = i;
tile.col = j;
tile.style.left = tileSet[i][j].col * config.tileWidth + "rem";
tile.style.bottom = tileSet[i][j].row * config.tileHeight + "rem";
tile.style.backgroundImage = "url('./images/" + tileSet[i][j].number + ".png')";
}
}
},
/**
* 创建星星子节点的函数
* @param number
* @param row
* @param col
* @returns {HTMLElement}
*/
createBlock: function(number, row, col) {
return new Block(number, row, col);
},
};
PopStar.prototype.init.prototype = PopStar.prototype;
window.PopStar = PopStar;
})();index.js
(function()
{function u(a,b,c)
{
var d=document.createElement("li");
d.width=e.tileWidth;d.height=e.tileHeight;
d.number=a;
d.row=b;d.col=c;return d}
function m()
{return new m.prototype.init
}
var e={tileWidth:.75,tileHeight:.75,tileSet: [],
tableRows:10,baseScore:5,
stepScore:10,
targetScore:2E3,
el:document.querySelector("#starList"),
scoreTarget:document.querySelector("#scoreTarget"),
scoreCurrent:document.querySelector("#scoreCurrent"),
scoreSelect:document.querySelector("#scoreSelect"),
scoreLevel:document.querySelector("#scoreLevel")
},
n=!0,t=[],p=0,r=null,q=1;
m.prototype={
init:function(){this.initTable()
}
,initTable:function(){
this.initScore();
this.initTileSet();
this.initBlocks()
}
,
initScore:function(){
(new CountUp(e.scoreTarget,e.targetScore,e.targetScore)).start();
e.scoreCurrent.innerHTML=p;e.scoreLevel.innerHTML=q
},
mouseClick:function(){
var a=e.tileSet,b=t,c=e.baseScore,d=e.stepScore,f=e.el,g=this,h=b.length;if(n&&!(1>=h)){
n=!1;r=null;
for(var l=0,k=0;
k<h;k++)l+=c+k*d;(new CountUp(e.scoreCurrent,p,p+=l)).start();
for(k=0;k<h;k++)
setTimeout(function(c){a[b[c].row][b[c].col]=
null;
f.removeChild(b[c])},100*k,k);
setTimeout(function(){g.move();
setTimeout(function()
{g.isFinish()?(g.clear(),p>=e.targetScore?((new CountUp(e.scoreTarget,e.targetScore,e.targetScore+=1E3*(q-1))).start(),(new CountUp(e.scoreLevel,q,q+=1)).start(),alert("\u606d\u559c\u83b7\u80dc"),console.log("\u606d\u559c\u83b7\u80dc")):(e.targetScore=e.scoreTarget=2E3,q=p=0,alert("\u6e38\u620f\u5931\u8d25"),console.log("\u6e38\u620f\u5931\u8d25")),n=!0):(b=[],n=!0,g.mouseOver(r))},300+150*b.length)},100*b.length)}},
clear:function()
{for(var a=e.tileSet,b=e.el,c=[],
d=a.length-1;0<=d;d--)
for(var f=a[d].length-1;0<=f;f--)
null!==a[d][f]&&(c.push(a[d][f]),a[d][f]=null);
for(a=0;a<c.length;a++)
setTimeout(function(a)
{b.removeChild(c[a]);
a>=c.length-1&&setTimeout(function(a){new m},1E3)},100*a,a)},isFinish:function()
{for(var a=e.tileSet,b=a.length,c=0;c<b;c++)
for(var d=a[c].length,f=0;f<d;f++)
{var g=[];this.checkLink(a[c][f],g);
if(1<g.length)
return!1}return!0},
move:function()
{for(var a=e.tableRows,b=e.tileSet,c=0;
c<a;c++)for(var d=
0,f=0;f<a;f++)null!=b[f][c]&&(f!==d&&(b[d][c]=b[f][c],b[f][c].row=d,b[f][c]=null),d++);
for(c=0;c<b[0].length;
)if(null==b[0][c])
for(f=0;f<a;f++)b[f].splice(c,1);else c++;this.refresh()},
mouseOver:function(a){if(n)
{this.clearFlicker();
var b=[];
this.checkLink(a,b);
t=b;1>=b.length||(this.flicker(b),this.computeScore(b))}
else r=a
},
computeScore:function(a)
{for(var b=0,c=a.length,d=e.baseScore,f=e.stepScore,g=0;
g<c;g++)b+=d+g*f;
0>=b||(e.scoreSelect.style.opacity="1",e.scoreSelect.innerHTML=a.length+"\u8fde\u6d88 "+
b+"\u5206",setTimeout(function(){
e.scoreSelect.style.opacity="0"},1200))
},clearFlicker:function(){
for(var a=e.tileSet,b=0;b<a.length;b++)
for(var c=0;c<a[b].length;c++){var d=a[b][c];null!==d&&d.classList.remove("scale")}},flicker:function(a){for(var b=0;b<a.length;b++)a[b].classList.add("scale")
},
checkLink:function(a,b){
if(null!==a){
b.push(a);var c=e.tileSet,d=e.tableRows;0<a.col&&c[a.row][a.col-1]&&c[a.row][a.col-1].number===a.number&&-1===b.indexOf(c[a.row][a.col-1])&&this.checkLink(c[a.row][a.col-
1],b);a.col<d-1&&c[a.row][a.col+1]&&c[a.row]
[a.col+1].number===a.number&&-1===b.indexOf(c[a.row][a.col+1])&&this.checkLink(c[a.row][a.col+1],b);a.row<d-1&&c[a.row+1][a.col]&&c[a.row+1][a.col].number===a.number&&-1===b.indexOf(c[a.row+1][a.col])&&this.checkLink(c[a.row+1][a.col],b);0<a.row&&c[a.row-1][a.col]&&c[a.row-1][a.col].number===a.number&&-1===b.indexOf(c[a.row-1][a.col])&&this.checkLink(c[a.row-1][a.col],b)}},
initTileSet:function(){
for(var a=e.tableRows,b=e.tileSet,c=0;c<a;c++){b[c]=[];
for(var d= 0;d<a;d++)b[c][d]=[]}},
initBlocks:function()
{
for(var a=e.tileSet,b=this,c=e.el,d=a.length,f=0;f<d;f++)
for(var g=a[f].length,h=0;h<g;h++){
var l=this.createBlock(Math.floor(5*Math.random()),f,h);
l.onmouseover=function(){b.mouseOver(this)};
l.onclick=function(){b.mouseClick()};
a[f][h]=l;
c.appendChild(l)}
this.refresh()},
refresh:function()
{for(var a=e.tileSet,b=0;b<a.length;b++)
for(var c=a[b].length,d=0;d<c;d++)
{var f=a[b][d];
null!=f&&(f.row=b,f.col=d,f.style.left=a[b][d].col*e.tileWidth+"rem",f.style.bottom=
a[b][d].row*e.tileHeight+"rem",f.style.backgroundImage="url('./images/"+a[b][d].number+".png')")
}
}
,createBlock:function(a,b,c){return new u(a,b,c)
}
}
;m.prototype.init.prototype=m.prototype;window.PopStar=m
})();resize.js
// JavaScript Document
(function px2rem(doc, win) {
var docEl = doc.documentElement,
resizeEvt = 'orientationchange' in window ? 'orientationchange' : 'resize',
recalc = function () {
var clientWidth = docEl.clientWidth;
if (!clientWidth) return;
docEl.style.fontSize = 100 * (clientWidth / 750) + 'px';
/*
* 100 -> html,body { font-size:100px; }
* 750 -> 此处以 iPhone6 两倍设计稿 宽度750px 布局页面
* 根据具体情况改变这两个数值
*/
};
if (!doc.addEventListener) return;
// 窗口大小发生变化，初始化
win.addEventListener(resizeEvt, recalc, false);
doc.addEventListener('DOMContentLoaded', recalc, false);
//防止在html未加载完毕时执行，保证获取正确的页宽
setTimeout(function(){
px2rem(doc, win);
}, 200);
})(document, window);countUp.js
(function(root, factory) {
if (typeof define === 'function' && define.amd) {
define(factory);
} else if (typeof exports === 'object') {
module.exports = factory(require, exports, module);
} else {
root.CountUp = factory();
}
}(this, function(require, exports, module) {
/*
countUp.js
by @inorganik
*/
// target = id of html element or var of previously selected html element where counting occurs
// startVal = the value you want to begin at
// endVal = the value you want to arrive at
// decimals = number of decimal places, default 0
// duration = duration of animation in seconds, default 2
// options = optional object of options (see below)
var CountUp = function(target, startVal, endVal, decimals, duration, options) {
var self = this;
self.version = function () { return '1.9.3'; };
// default options
self.options = {
useEasing: true, // toggle easing
useGrouping: true, // 1,000,000 vs 1000000
separator: ',', // character to use as a separator
decimal: '.', // character to use as a decimal
easingFn: easeOutExpo, // optional custom easing function, default is Robert Penner's easeOutExpo
formattingFn: formatNumber, // optional custom formatting function, default is formatNumber above
prefix: '', // optional text before the result
suffix: '', // optional text after the result
numerals: [] // optionally pass an array of custom numerals for 0-9
};
// extend default options with passed options object
if (options && typeof options === 'object') {
for (var key in self.options) {
if (options.hasOwnProperty(key) && options[key] !== null) {
self.options[key] = options[key];
}
}
}
if (self.options.separator === '') {
self.options.useGrouping = false;
}
else {
// ensure the separator is a string (formatNumber assumes this)
self.options.separator = '' + self.options.separator;
}
// make sure requestAnimationFrame and cancelAnimationFrame are defined
// polyfill for browsers without native support
// by Opera engineer Erik Möller
var lastTime = 0;
var vendors = ['webkit', 'moz', 'ms', 'o'];
for(var x = 0; x < vendors.length && !window.requestAnimationFrame; ++x) {
window.requestAnimationFrame = window[vendors[x]+'RequestAnimationFrame'];
window.cancelAnimationFrame = window[vendors[x]+'CancelAnimationFrame'] || window[vendors[x]+'CancelRequestAnimationFrame'];
}
if (!window.requestAnimationFrame) {
window.requestAnimationFrame = function(callback, element) {
var currTime = new Date().getTime();
var timeToCall = Math.max(0, 16 - (currTime - lastTime));
var id = window.setTimeout(function() { callback(currTime + timeToCall); }, timeToCall);
lastTime = currTime + timeToCall;
return id;
};
}
if (!window.cancelAnimationFrame) {
window.cancelAnimationFrame = function(id) {
clearTimeout(id);
};
}
function formatNumber(num) {
var neg = (num < 0),
x, x1, x2, x3, i, len;
num = Math.abs(num).toFixed(self.decimals);
num += '';
x = num.split('.');
x1 = x[0];
x2 = x.length > 1 ? self.options.decimal + x[1] : '';
if (self.options.useGrouping) {
x3 = '';
for (i = 0, len = x1.length; i < len; ++i) {
if (i !== 0 && ((i % 3) === 0)) {
x3 = self.options.separator + x3;
}
x3 = x1[len - i - 1] + x3;
}
x1 = x3;
}
// optional numeral substitution
if (self.options.numerals.length) {
x1 = x1.replace(/[0-9]/g, function(w) {
return self.options.numerals[+w];
})
x2 = x2.replace(/[0-9]/g, function(w) {
return self.options.numerals[+w];
})
}
return (neg ? '-' : '') + self.options.prefix + x1 + x2 + self.options.suffix;
}
// Robert Penner's easeOutExpo
function easeOutExpo(t, b, c, d) {
return c * (-Math.pow(2, -10 * t / d) + 1) * 1024 / 1023 + b;
}
function ensureNumber(n) {
return (typeof n === 'number' && !isNaN(n));
}
self.initialize = function() {
if (self.initialized) return true;
self.error = '';
self.d = (typeof target === 'string') ? document.getElementById(target) : target;
if (!self.d) {
self.error = '[CountUp] target is null or undefined'
return false;
}
self.startVal = Number(startVal);
self.endVal = Number(endVal);
// error checks
if (ensureNumber(self.startVal) && ensureNumber(self.endVal)) {
self.decimals = Math.max(0, decimals || 0);
self.dec = Math.pow(10, self.decimals);
self.duration = Number(duration) * 1000 || 2000;
self.countDown = (self.startVal > self.endVal);
self.frameVal = self.startVal;
self.initialized = true;
return true;
}
else {
self.error = '[CountUp] startVal ('+startVal+') or endVal ('+endVal+') is not a number';
return false;
}
};
// Print value to target
self.printValue = function(value) {
var result = self.options.formattingFn(value);
if (self.d.tagName === 'INPUT') {
this.d.value = result;
}
else if (self.d.tagName === 'text' || self.d.tagName === 'tspan') {
this.d.textContent = result;
}
else {
this.d.innerHTML = result;
}
};
self.count = function(timestamp) {
if (!self.startTime) { self.startTime = timestamp; }
self.timestamp = timestamp;
var progress = timestamp - self.startTime;
self.remaining = self.duration - progress;
// to ease or not to ease
if (self.options.useEasing) {
if (self.countDown) {
self.frameVal = self.startVal - self.options.easingFn(progress, 0, self.startVal - self.endVal, self.duration);
} else {
self.frameVal = self.options.easingFn(progress, self.startVal, self.endVal - self.startVal, self.duration);
}
} else {
if (self.countDown) {
self.frameVal = self.startVal - ((self.startVal - self.endVal) * (progress / self.duration));
} else {
self.frameVal = self.startVal + (self.endVal - self.startVal) * (progress / self.duration);
}
}
// don't go past endVal since progress can exceed duration in the last frame
if (self.countDown) {
self.frameVal = (self.frameVal < self.endVal) ? self.endVal : self.frameVal;
} else {
self.frameVal = (self.frameVal > self.endVal) ? self.endVal : self.frameVal;
}
// decimal
self.frameVal = Math.round(self.frameVal*self.dec)/self.dec;
// format and print value
self.printValue(self.frameVal);
// whether to continue
if (progress < self.duration) {
self.rAF = requestAnimationFrame(self.count);
} else {
if (self.callback) self.callback();
}
};
// start your animation
self.start = function(callback) {
if (!self.initialize()) return;
self.callback = callback;
self.rAF = requestAnimationFrame(self.count);
};
// toggles pause/resume animation
self.pauseResume = function() {
if (!self.paused) {
self.paused = true;
cancelAnimationFrame(self.rAF);
} else {
self.paused = false;
delete self.startTime;
self.duration = self.remaining;
self.startVal = self.frameVal;
requestAnimationFrame(self.count);
}
};
// reset to startVal so animation can be run again
self.reset = function() {
self.paused = false;
delete self.startTime;
self.initialized = false;
if (self.initialize()) {
cancelAnimationFrame(self.rAF);
self.printValue(self.startVal);
}
};
// pass a new endVal and start animation
self.update = function (newEndVal) {
if (!self.initialize()) return;
newEndVal = Number(newEndVal);
if (!ensureNumber(newEndVal)) {
self.error = '[CountUp] update() - new endVal is not a number: '+newEndVal;
return;
}
self.error = '';
if (newEndVal === self.frameVal) return;
cancelAnimationFrame(self.rAF);
self.paused = false;
delete self.startTime;
self.startVal = self.frameVal;
self.endVal = newEndVal;
self.countDown = (self.startVal > self.endVal);
self.rAF = requestAnimationFrame(self.count);
};
// format startVal on initialization
if (self.initialize()) self.printValue(self.startVal);
};
return CountUp;
}));
index.css
a,body,button,dd,div,dl,dt,form,h2,h3,h4,h5,h6,h7,input,label,li,ol,p,span,table,td,textarea,th,tr,ul
{ -webkit-box-sizing:border-box;
-moz-box-sizing:border-box;box-sizing:border-box;
margin:0;padding:0;
border:0;-webkit-tap-highlight-color:transparent
}
body,html{
width:100%;min-height:100%;background-color:#fff;
-webkit-user-select:none;
-moz-user-select:none;
-ms-user-select:none;
user-select:none
}
body
{color:#333;
font-family:微软雅黑
}
h2,h3,h4,h5,h6,h7
{
font-weight:400;
font-size:100%
}
a{
color:#555
}
a,a:hover{
text-decoration:none
}
img{
border:none
}
li,ol,ul{
list-style:none
}
input,textarea{
outline:0;
-webkit-appearance:none
}
::-webkit-input-placeholder{
color:#b0b0b0
}
:-moz-placeholder,::-moz-placeholder{
color:#b0b0b0
}
:-ms-input-placeholder{
color:#b0b0b0
}
[v-cloak]{
display:none
}
.lucky-star{
position:fixed;
top:0;left:0;width:100%;
height:100%;
background-image:url(../images/cover.jpg);background-size:cover;background-repeat:no-repeat;font-size:0;
-moz-background-size:cover;
-o-background-size:cover
}
.score-target
{
padding:0 .3rem;height:1.5rem;
-webkit-box-pack:justify;
-webkit-justify-content:space-between;
-moz-box-pack:justify;
-ms-flex-pack:justify;
justify-content:space-between
}
.score-current,.score-target{
display:-webkit-box;display:-webkit-flex;display:-moz-box;display:-ms-flexbox;
display:flex;width:100%;
color:#fff;font-size:.24rem;
-webkit-box-align:center;
-webkit-align-items:center;
-moz-box-align:center;
-ms-flex-align:center;
align-items:center
}
.score-current{
position:absolute;top:.3rem;
-webkit-box-orient:vertical;
-webkit-box-direction:normal;
-webkit-flex-direction:column;
-moz-box-orient:vertical;
-moz-box-direction:normal;
-ms-flex-direction:column;
flex-direction:column;
-webkit-box-pack:center;
-webkit-justify-content:center;
-moz-box-pack:center;
-ms-flex-pack:center;
justify-content:center
}
.score-current span{
color:#fffc0f;
font-size:.48rem
}
.score-select{
width:100%;
color:#fff;
text-align:center;
font-size:.28rem;opacity:0;
-webkit-transition:opacity 1s;
-moz-transition:opacity 1s;
-o-transition:opacity 1s;
transition:opacity 1s
}
.star-list{
position:fixed;
bottom:0;left:0;
width:100%;
height:70%}
.star-list li{
position:absolute;
width:.75rem;
height:.75rem;
border:0;
-webkit-border-radius:.16rem;
-moz-border-radius:.16rem;
border-radius:.16rem;
background-size:cover;
-webkit-transition:left .3s,bottom .3s,-webkit-transform .3s;-moz-transition:transform .3s,left .3s,bottom .3s,-moz-transform .3s;-o-transition:left .3s,bottom .3s,-o-transform .3s;transition:left .3s,bottom .3s,-webkit-transform .3s;transition:transform .3s,left .3s,bottom .3s;transition:transform .3s,left .3s,bottom .3s,-webkit-transform .3s,-moz-transform .3s,-o-transform .3s;
-moz-background-size:cover;
-o-background-size:cover
}
.star-list li.scale{
border:2px solid #bfefff;
-webkit-animation:scale .3s linear infinite alternate;
-moz-animation:scale .3s linear infinite alternate;
-o-animation:scale .3s linear infinite alternate;animation:scale .3s linear infinite alternate}
.star-list li img{position:absolute;top:15%;left:15%;width:70%;height:70%
}@-webkit-keyframes scale{
0%{-webkit-transform:scale(1);transform:scale(1)
}
to{
-webkit-transform:scale(.95);
transform:scale(.95)
}
}
@-moz-keyframes scale{
0%{
-moz-transform:scale(1);
transform:scale(1)}
to{
-moz-transform:scale(.95);
transform:scale(.95)
}
}
@-o-keyframes scale{
0%{
-o-transform:scale(1);
transform:scale(1)
}
to{
-o-transform:scale(.95);transform:scale(.95)
}
}
@keyframes scale{
0%{
-webkit-transform:scale(1);
-moz-transform:scale(1);
-o-transform:scale(1);
transform:scale(1)
}
to
{
-webkit-transform:scale(.95);
-moz-transform:scale(.95);
-o-transform:scale(.95);transform:scale(.95)
}
}上述就是小编为大家分享的使用JavaScript编写一个消消乐小游戏了，如果刚好有类似的疑惑，不妨参照上述分析进行理解。如果想知道更多相关知识，欢迎关注亿速云行业资讯频道。
免责声明：本站发布的内容（图片、视频和文字）以原创、转载和分享为主，文章观点不代表本网站立场，如果涉及侵权请联系站长邮箱：is@yisu.com进行举报，并提供相关证据，一经查实，将立刻删除涉嫌侵权内容。
