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簡單的JS俄羅斯方塊游戲源碼，先給大家展示下效果圖，如果大家感覺不錯，請參考實現代碼，
效果圖：
代碼如下，復制即可使用：
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>使用JS實現俄羅斯方塊游戲</title>
<style type="text/css">
.MainFrame
{
border: 1px solid burlywood;
margin: 10px auto;
position: relative;
background-color: silver;
}
.MainFramediv
{
float: left;
margin: 1px;
position: absolute;
/*z-index: -1;*/
}
.smallDiv
{
margin: 1px;
position: absolute;
}
.smallDivblack
{
/*float: left;*/
margin: 1px;
/*margin: 1px;*/
position: absolute;
/*z-index: 2;*/
}
#tetris{
width: 50%;
margin: 0 auto;
padding: 0;
/*border: 1px solid silver;*/
}
#tetris:after{
content: "";
Display: block;
Clear: both;
}
#control{
float: left;
border: 1px solid silver;
width: 150px;
height: 578px;
margin-top: 10px;
margin-left: 20px;
padding-top: 30px;
font-size: 24px;
font-weight: 400;
color: blue;
text-align: center;
}
#level,#regame{
width: 100px;
height: 30px;
border: 1px solid blue;
font-size: 16px;
color: red;
font-weight: 300;
}
#control p{
margin-top: 200px;
}
#regame{
margin-top: 100px;
font-weight: 600;
background-color: azure;
}
#TFrime{
float: left;
}
#info{
float: left;
border: 1px solid silver;
width: 150px;
height: 578px;
margin: 10px auto;
padding-top: 30px;
text-align: center;
color: blue;
font-size: 24px;
font-weight: 400;
}
#nextfigure{
width: 100px;
height: 100px;
background-color: silver;
margin: 0 auto;
margin-bottom: 100px;
position: relative;
}
.drawdiv{
background-color: red;
margin: 1px;
border: 1px solid silver;
position: absolute;
}
</style>
<!-- 此處需要自己修改JS路徑 -->
<script src="js/GameFrame.js" type="text/javascript" charset="utf-8"></script>
<script src="js/graph.js" type="text/javascript" charset="utf-8"></script>
<script src="js/index.js" type="text/javascript" charset="utf-8"></script>
</head>
<body onload="initGame()">
<div id="tetris">
<div id="control">
難度：
<div><select id="level" onchange="changespeed()">
<option value="1000">簡單
<option value="500">一般
<option value="200">困難
</select></div>
<input type="button" id="regame" value="重 新 開 始" onclick="regame()">
<p>
↑：變換<br>
←：左移<br>
→：右移<br>
↓：加速<br>
</p>
</div>
<div id="TFrime"></div>
<div id="info">
下一個圖形:
<div id="nextfigure">
</div>
<div>分數：<span id="score">0</span></div>
</div>
</div>
<div >
<p>適用瀏覽器：360、FireFox、Chrome、Safari、Opera、傲游、搜狗、世界之窗. 不支持IE8及以下瀏覽器。</p>
</div>
</body>
</html>
GameFrame.js
function GameFrame(unit,row,col)
{
//單位的像素
this.unit = unit;
//橫向單位個數(列),,(一行的個數)
this.row = row;
//縱向單位個數(行)，，(一列的個數)
this.col =col;
//保存頁面創建div容器的屬性
this.Content;
//小圖形
this.samlldiv;
//定時器id
this.intervalid;
//速度
this.speed =document.getElementById("level").value;
//速度是否改變
this.ChangeSped=0;
//記錄每個位置是否有div
this.datas=[];
//記錄消除行數相應的分數
this.score=[0,100,300,600,1000]
//記錄當前的圖形的下標
this.now;
//記錄下一個圖形的下標
this.next;
//記錄當前的圖形的顏色
this.nowcolor;
//記錄下一個圖形的顏色
this.nextcolor;
//保存7種圖形相對坐標的數組
this.arr = "0,1,0,2,1,2,2,2;0,1,1,1,1,2,2,2;0,1,0,2,1,1,2,1;0,2,1,1,1,2,2,1;1,0,1,1,1,2,1,3;1,1,1,2,2,1,2,2;1,1,2,0,2,1,2,2".split(";");
//保存小方塊的顏色
this.color=["red","blue","green","yellow","#00FFFF","#930093","#F80000","#984B4B"];
//初始化容器div
this.init = function()
{
//創建div
var div = document.createElement("div");
//設置div的寬度
div.style.width = (this.unit*this.row)+"px";
//設置div的高度
div.style.height=(this.unit*this.col)+"px";
//設置div的樣式
div.className="MainFrame";
div.id="MainFrame";
//加入到body中
document.getElementById("TFrime").appendChild(div);
this.Content =div; //保存div的引用
//初始化數組
for(var i=0;i<this.col;i++) //i為行
{
for(var j=0;j<this.row;j++){ //j為列
var sdiv = document.createElement("div");
sdiv.className="MainFramediv";
sdiv.style.width = (this.unit - 2) + "px";
sdiv.style.height = (this.unit - 2) + "px";
sdiv.style.left=(j*this.unit)+"px";
sdiv.style.top=(i*this.unit)+"px";
this.Content.appendChild(sdiv);
this.datas.push(0);
}
}
this.next=Math.floor(Math.random() * this.arr.length);
this.nextcolor=this.color[Math.floor(Math.random() * this.color.length)];
Start();
}
this.MoveLeft = function()
{
this.samlldiv.moveleft();
}
this.MoveRight = function(){
this.samlldiv.moveright();
}
this.Change = function(){
this.samlldiv.change();
}
this.MoveDown = function(){
if(this.samlldiv.movedown())
{
// for(var i=0;i<this.samlldiv.divs.length;i++)
// {
// this.Content.removeChild(this.samlldiv.divs[i]);
// }
this.samlldiv.rescore();
Start();
}
}
function Start()
{
//將next值傳給now
this.frame.now=this.frame.next;
this.frame.nowcolor=this.frame.nextcolor;
//創建小div
this.frame.samlldiv=new Graph(this.frame);
this.frame.samlldiv.init(this.frame.now,this.frame.nowcolor);
//繪出下一個圖形
this.frame.next=Math.floor(Math.random() * this.frame.arr.length);
this.frame.nextcolor=this.frame.color[Math.floor(Math.random() * this.frame.color.length)];
draw();
//調用定時器下落
this.frame.intervalid = setInterval(autoMoveDown,this.frame.speed);
//判斷游戲是否結束
if (this.frame.samlldiv.movedown()){
clearInterval(this.frame.intervalid);
alert("游戲結束！");
}
}
function autoMoveDown()
{
if(this.frame.samlldiv.movedown())
{
this.frame.samlldiv.rescore();
Start();
}
//改變速度
if(this.frame.ChangeSped){
clearInterval(this.frame.intervalid);
this.frame.intervalid = setInterval(autoMoveDown,this.frame.speed);
this.frame.ChangeSped=0;
}
}
//速度改變，令ChangeSped值為1
this.changespeed=function(){
this.speed=document.getElementById("level").value;
this.ChangeSped=1;
// alert(this.ChangeSped);
}
//繪制下一個圖形
function draw(){
//清楚原有的圖形
var cleardiv=document.getElementsByClassName("drawdiv");
for(;;){
if(cleardiv.length){
document.getElementById("nextfigure").removeChild(cleardiv[0]);
}else{
break;
}
}
//繪制圖形
var smallarr = this.frame.arr[this.frame.next].split(",");
for (var i = 0; i < 8; i += 2) {
var drawdiv = document.createElement("div");
drawdiv.className = "drawdiv";
drawdiv.style.backgroundColor=this.frame.nextcolor;
drawdiv.style.width = (this.frame.unit - 2) + "px";
drawdiv.style.height = (this.frame.unit - 2) + "px";
drawdiv.style.top = (((smallarr[i] - 0) * this.frame.unit)+18) + "px";
drawdiv.style.left = (((smallarr[i + 1] - 0) * this.frame.unit)+18) + "px";
document.getElementById("nextfigure").appendChild(drawdiv);
}
}
}
graph.js
function Graph(frame) {
//保存7種圖形相對坐標的數組
// var arr = "0,1,0,2,1,2,2,2;0,1,1,1,1,2,2,2;0,1,0,2,1,1,2,1;0,2,1,1,1,2,2,1;1,0,1,1,1,2,1,3;1,1,1,2,2,1,2,2;1,1,2,0,2,1,2,2".split(";");
//保存4個小圖形的數組
this.divs = [];
//外部容器div的數組
this.parentFrame = frame;
//圖形橫縱偏移
this.x = 0;
this.y = 0;
//記錄圖形的坐標數組
this.zb = [];
//記錄消除的行數
this.line=0;
//初始化小圖形的方法
this.init = function(rand,color) {
//計算圖形其實坐標的單位
var startleft = (this.parentFrame.row - 4) / 2;
this.x = startleft;
//隨機生成圖形數組下標
// var rand = Math.floor(Math.random() * arr.length);
//分解圖形的坐標
var smallarr = this.parentFrame.arr[rand].split(",");
this.zb = smallarr;
//循環設置小div的 left和top
for (var i = 0; i < 8; i += 2) {
//創建小div
var smalldiv = document.createElement("div");
//設置樣式
smalldiv.className = "smallDiv";
//設置顏色
smalldiv.style.backgroundColor=color;
//定義高寬
smalldiv.style.width = (this.parentFrame.unit - 2) + "px";
smalldiv.style.height = (this.parentFrame.unit - 2) + "px";
//設置小div的top
smalldiv.style.top = ((smallarr[i] - 0) * this.parentFrame.unit) + "px";
//設置小div的left
smalldiv.style.left = (((smallarr[i + 1] - 0) + startleft) * this.parentFrame.unit) + "px";
//保存小div的引用
this.divs.push(smalldiv);
//加入到外部容器
document.getElementById("MainFrame").appendChild(smalldiv);
}
//執行自動向下移動
//this.parentFrame.intervalid = setInterval(autoMoveDown, this.parentFrame.speed);
}
//左移動
this.moveleft = function() {
// var canmove = true;
// //判斷能否左移動
//
// for(var i=0;i<this.divs.length;i++)
// {
// var left=parseInt(this.divs[i].style.left); //div目前的left
// if(left - this.parentFrame.unit <0) //減去一個單位的像素是否小于0
// {
// canmove = false; //不能向左移動了
// break;
// }
// }
if (canMove(this.zb, this.x, this.y, this.parentFrame, 2)) //可以移動
{
this.x -= 1;
for (var i = 0; i < this.divs.length; i++) //循環小div，把每個div的left減去一個單位的像素
{
var left = parseInt(this.divs[i].style.left);
this.divs[i].style.left = (left - this.parentFrame.unit) + "px";
}
}
}
//右移動
this.moveright = function() {
// var canmove = true;
// //判斷能否右移動
// for(var i=0;i<this.divs.length;i++)
// {
// var left=parseInt(this.divs[i].style.left);
// if(left + this.parentFrame.unit >=parseInt(this.parentFrame.Content.style.width))
// {
// canmove = false;
// break;
// }
// }
var temp = canMove(this.zb, this.x, this.y, this.parentFrame, 1);
// alert(temp);
console.log(temp);
if (canMove(this.zb, this.x, this.y, this.parentFrame, 1)) {
this.x += 1;
for (var i = 0; i < this.divs.length; i++) {
var left = parseInt(this.divs[i].style.left);
this.divs[i].style.left = (left + this.parentFrame.unit) + "px";
}
}
}
//變形
this.change = function() {
//變形的公式
//小div的2個相對坐標點改變 x = y ; y= 3-x; 比如 （0，1） 變化之后 就是 x=1，y=3-0 -> (1,3)
//循環4個小div
if (!canMove(this.zb, this.x, this.y, this.parentFrame, 4)) {
if (this.x < 0) {
this.x += 1;
} else {
this.x -= 1;
}
}
for (var i = 0; i < this.divs.length; i++) {
//根據公式改變每個div的相對偏移量，2個一改
var temp = this.zb[i * 2]
this.zb[i * 2] = this.zb[i * 2 + 1];
this.zb[i * 2 + 1] = 3 - temp;
//根據改變后的偏移量計算圖形的當前left和top
this.divs[i].style.top = ((this.y + parseInt(this.zb[i * 2])) * this.parentFrame.unit) + "px";
this.divs[i].style.left = ((this.x + parseInt(this.zb[i * 2 + 1])) * this.parentFrame.unit) + "px";
}
}
this.movedown = function() {
var $this = this =="window" ? this.frame.samlldiv : this;
if (canMove($this.zb, $this.x, $this.y, $this.parentFrame, 3)) {
$this.y += 1;
for (var i = 0; i < $this.divs.length; i++) {
var top = parseInt($this.divs[i].style.top);
$this.divs[i].style.top = (top + $this.parentFrame.unit) + "px";
}
return false;
} else {
clearInterval($this.parentFrame.intervalid);
// var temp = $this.parentFrame.Content.getElementsByTagName("div");
for (var i=0;i<$this.divs.length;i++) {
//div變灰
//$this.divs[i].className ="smallDivblack";
var $y = $this.y + parseInt($this.zb[i*2]);
var $x = $this.x+parseInt($this.zb[i*2+1]);
// debugger;
$this.parentFrame.datas[$y*$this.parentFrame.row+ $x] =1;
$this.divs[i].dataset.row=$y; //記錄div所在的行
$this.divs[i].dataset.col=$x; //記錄div所在的列
$this.divs[i].className="smallDivblack";
$this.divs[i].style.backgroundColor="black";
//$this.parentFrame.datas[]
}
//消行并計分
for (var i= 0;i<$this.parentFrame.col;i++) { //i為行
//判斷是否滿足消行條件
for (var j=0;j<$this.parentFrame.row;j++) { //j為列
if($this.parentFrame.datas[i*$this.parentFrame.row+ j] !=1){
break;
}
}
//消行，將該行上面的所有div下移一行
if(j==$this.parentFrame.row){
var x; //記錄div在哪一列
var y; //記錄div在哪一行
var getsmalldiv=document.getElementById("TFrime").getElementsByClassName("smallDivblack");//得到小div
for (var a=0;a<getsmalldiv.length;a++){
y=parseInt(getsmalldiv[a].dataset.row);
x=parseInt(getsmalldiv[a].dataset.col);
if(y==i){ //消除該行
debugger;
$this.parentFrame.datas[y*$this.parentFrame.row+ x]=0;
getsmalldiv[a].remove();
a--;
}
}
for (var a=i-1;a>0;a--) {
for (var b=0;b<getsmalldiv.length;b++) {
y=parseInt(getsmalldiv[b].dataset.row);
x=parseInt(getsmalldiv[b].dataset.col);
if(y==a){ //將上面的div下移一行
// debugger;
var divtop=parseInt(getsmalldiv[b].style.top);
getsmalldiv[b].style.top=(divtop+$this.parentFrame.unit)+"px";
getsmalldiv[b].dataset.row++;
$this.parentFrame.datas[y*$this.parentFrame.row+ x]=0;
$this.parentFrame.datas[(y+1)*$this.parentFrame.row+ x]=1;
}
}
}
$this.line++;
// for (var a=0;a<getsmalldiv.length;a++) {
// y=parseInt(getsmalldiv[a].dataset.row);
// x=parseInt(getsmalldiv[a].dataset.col);
//// alert(getsmalldiv[a].dataset.row);
// if(y<i){ //將上面的div下移一行
//// debugger;
// var divtop=parseInt(getsmalldiv[a].style.top);
//// alert(getsmalldiv[a].style.top);
// getsmalldiv[a].style.top=(divtop+$this.parentFrame.unit)+"px";
// getsmalldiv[a].dataset.row++;
// debugger;
// $this.parentFrame.datas[y*$this.parentFrame.row+ x]=0;
// $this.parentFrame.datas[(y+1)*$this.parentFrame.row+ x]=1;
// }
//// }else if(y==i){ //消除該行
//// debugger;
//// $this.parentFrame.datas[y*$this.parentFrame.row+ x]=0;
//// getsmalldiv[a].className="MainFramediv";
//// }
// }
}
}
return true;
}
}
// function autoMoveDown() {
//
// var small = this.frame.samlldiv;
// var f = this.frame;
//
// if (canMove(small.zb, small.x, small.y, 0, f.col, 3)) {
// small.y += 1;
// for (var i = 0; i < small.divs.length; i++) {
// var top = parseInt(small.divs[i].style.top);
// small.divs[i].style.top = (top + f.unit) + "px";
// }
// } else {
// clearInterval(f.intervalid);
// }
//
// }
//預判能否移動或變化，action:1.右移，2.左移，3.下移，4.變化
//zb是4個小圖形的相對偏移，x是圖形左偏移，y是top偏移,f是外部frame
function canMove(zb, x, y, f, action) {
//datas[parseInt(zb[i + 1]) + x + 1)+(this.y-1)*row] !=0
switch (action) {
case 1:
// debugger;
for (var i = 0; i < zb.length; i += 2) {
if (parseInt(zb[i + 1]) + x + 1 >= f.row)
{
return false;
}else if(f.datas[(parseInt(zb[i + 1]) + x + 1)+(y+parseInt(zb[i]))*f.row] !=0)
{
return false;
}
}
break;
case 2:
for (var i = 0; i < zb.length; i += 2) {
if (parseInt(zb[i + 1]) + x - 1 < 0 ) {
return false;
}else if(f.datas[(parseInt(zb[i + 1]) + x - 1)+(y+parseInt(zb[i]))*f.row] !=0)
{
return false;
}
}
break;
case 3:
for (var i = 0; i < zb.length; i += 2) {
if (parseInt(zb[i]) + y + 1 >= f.col ||
f.datas[(parseInt(zb[i + 1]) + x)+(parseInt(zb[i]) + y+1)*f.row] !=0) {
return false;
}
}
break;
case 4:
for (var i = 0; i < zb.length; i += 2) {
var temp = 3 - zb[i];
if (temp + x < 0 || temp + x >= f.row) {
return false;
}
}
break;
}
return true;
}
this.rescore=function(){
var gamescore=document.getElementById("score");
gamescore.innerHTML=parseInt(gamescore.innerHTML)+this.parentFrame.score[this.line];
}
}
index.js
var frame;
function initGame()
{
frame = new GameFrame(16,20,38);
frame.init();
document.body.addEventListener("keydown",MoveOrChange)
}
function changespeed(){
frame.changespeed();
}
function regame(){
location.reload();
}
function MoveOrChange()
{
switch(event.keyCode)
{
case 38: //變形（上方向鍵）
frame.Change();
break;
case 37: //左移動
frame.MoveLeft();
break;
case 39://右移動
frame.MoveRight();
break;
case 40: //向下
frame.MoveDown();
break;
}
}
總結
以上所述是小編給大家介紹的使用JS代碼實現俄羅斯方塊游戲，希望對大家有所幫助，如果大家有任何疑問請給我留言，小編會及時回復大家的。在此也非常感謝大家對億速云網站的支持！
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