简单的JS俄罗斯方块游戏源码，先给大家展示下效果图，如果大家感觉不错，请参考实现代码，
效果图：
代码如下，复制即可使用：
<!DOCTYPE html><html><head><meta charset="utf-8"><title>使用JS实现俄罗斯方块游戏</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><!-- 此处需要自己修改JS路径 --><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"> 难度： <div><select id="level" onchange="changespeed()"> <option value="1000">简单 <option value="500">一般 <option value="200">困难 </select></div> <input type="button" id="regame" value="重 新 开 始" onclick="regame()"> <p> ↑：变换<br> ←：左移<br> →：右移<br> ↓：加速<br> </p> </div> <div id="TFrime"></div> <div id="info"> 下一个图形: <div id="nextfigure"> </div> <div>分数：<span id="score">0</span></div> </div></div><div style="text-align:center;margin:10px 0; font:normal 14px/24px 'MicroSoft YaHei';"><p>适用浏览器：360、FireFox、Chrome、Safari、Opera、傲游、搜狗、世界之窗. 不支持IE8及以下浏览器。</p></div></body></html>GameFrame.js
function GameFrame(unit,row,col){ //单位的像素 this.unit = unit; //横向单位个数(列),,(一行的个数) this.row = row; //纵向单位个数(行)，，(一列的个数) this.col =col; //保存页面创建div容器的属性 this.Content; //小图形 this.samlldiv; //定时器id this.intervalid; //速度 this.speed =document.getElementById("level").value; //速度是否改变 this.ChangeSped=0; //记录每个位置是否有div this.datas=[]; //记录消除行数相应的分数 this.score=[0,100,300,600,1000] //记录当前的图形的下标 this.now; //记录下一个图形的下标 this.next; //记录当前的图形的颜色 this.nowcolor; //记录下一个图形的颜色 this.nextcolor; //保存7种图形相对坐标的数组 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(";"); //保存小方块的颜色 this.color=["red","blue","green","yellow","#00FFFF","#930093","#F80000","#984B4B"]; //初始化容器div this.init = function() { //创建div var div = document.createElement("div"); //设置div的宽度 div.style.width = (this.unit*this.row)+"px"; //设置div的高度 div.style.height=(this.unit*this.col)+"px"; //设置div的样式 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 //初始化数组 for(var i=0;i<this.col;i++) //i为行 { for(var j=0;j<this.row;j++){ //j为列 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() { //将next值传给now this.frame.now=this.frame.next; this.frame.nowcolor=this.frame.nextcolor; //创建小div this.frame.samlldiv=new Graph(this.frame); this.frame.samlldiv.init(this.frame.now,this.frame.nowcolor); //绘出下一个图形 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(); //调用定时器下落 this.frame.intervalid = setInterval(autoMoveDown,this.frame.speed); //判断游戏是否结束 if (this.frame.samlldiv.movedown()){ clearInterval(this.frame.intervalid); alert("游戏结束！"); } } function autoMoveDown() { if(this.frame.samlldiv.movedown()) { this.frame.samlldiv.rescore(); Start(); } //改变速度 if(this.frame.ChangeSped){ clearInterval(this.frame.intervalid); this.frame.intervalid = setInterval(autoMoveDown,this.frame.speed); this.frame.ChangeSped=0; } } //速度改变，令ChangeSped值为1 this.changespeed=function(){ this.speed=document.getElementById("level").value; this.ChangeSped=1;// alert(this.ChangeSped); } //绘制下一个图形 function draw(){ //清楚原有的图形 var cleardiv=document.getElementsByClassName("drawdiv"); for(;;){ if(cleardiv.length){ document.getElementById("nextfigure").removeChild(cleardiv[0]); }else{ break; } } //绘制图形 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种图形相对坐标的数组// 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个小图形的数组 this.divs = []; //外部容器div的数组 this.parentFrame = frame; //图形横纵偏移 this.x = 0; this.y = 0; //记录图形的坐标数组 this.zb = []; //记录消除的行数 this.line=0; //初始化小图形的方法 this.init = function(rand,color) { //计算图形其实坐标的单位 var startleft = (this.parentFrame.row - 4) / 2; this.x = startleft; //随机生成图形数组下标// var rand = Math.floor(Math.random() * arr.length); //分解图形的坐标 var smallarr = this.parentFrame.arr[rand].split(","); this.zb = smallarr; //循环设置小div的 left和top for (var i = 0; i < 8; i += 2) { //创建小div var smalldiv = document.createElement("div"); //设置样式 smalldiv.className = "smallDiv"; //设置颜色 smalldiv.style.backgroundColor=color; //定义高宽 smalldiv.style.width = (this.parentFrame.unit - 2) + "px"; smalldiv.style.height = (this.parentFrame.unit - 2) + "px"; //设置小div的top smalldiv.style.top = ((smallarr[i] - 0) * this.parentFrame.unit) + "px"; //设置小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); } //执行自动向下移动 //this.parentFrame.intervalid = setInterval(autoMoveDown, this.parentFrame.speed); } //左移动 this.moveleft = function() { // var canmove = true; // //判断能否左移动 // // 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) //减去一个单位的像素是否小于0 // { // canmove = false; //不能向左移动了 // break; // } // } if (canMove(this.zb, this.x, this.y, this.parentFrame, 2)) //可以移动 { this.x -= 1; for (var i = 0; i < this.divs.length; i++) //循环小div，把每个div的left减去一个单位的像素 { var left = parseInt(this.divs[i].style.left); this.divs[i].style.left = (left - this.parentFrame.unit) + "px"; } } } //右移动 this.moveright = function() { // var canmove = true; // //判断能否右移动 // 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"; } } } //变形 this.change = function() { //变形的公式 //小div的2个相对坐标点改变 x = y ; y= 3-x; 比如 （0，1） 变化之后 就是 x=1，y=3-0 -> (1,3) //循环4个小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++) { //根据公式改变每个div的相对偏移量，2个一改 var temp = this.zb[i * 2] this.zb[i * 2] = this.zb[i * 2 + 1]; this.zb[i * 2 + 1] = 3 - temp; //根据改变后的偏移量计算图形的当前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变灰 //$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; //记录div所在的行 $this.divs[i].dataset.col=$x; //记录div所在的列 $this.divs[i].className="smallDivblack"; $this.divs[i].style.backgroundColor="black"; //$this.parentFrame.datas[] } //消行并计分 for (var i= 0;i<$this.parentFrame.col;i++) { //i为行 //判断是否满足消行条件 for (var j=0;j<$this.parentFrame.row;j++) { //j为列 if($this.parentFrame.datas[i*$this.parentFrame.row+ j] !=1){ break; } } //消行，将该行上面的所有div下移一行 if(j==$this.parentFrame.row){ var x; //记录div在哪一列 var y; //记录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){ //消除该行 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){ //将上面的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; } } } $this.line++;// for (var a=0;a<getsmalldiv.length;a++) {// y=parseInt(getsmalldiv[a].dataset.row);// x=parseInt(getsmalldiv[a].dataset.col);//// alert(getsmalldiv[a].dataset.row);// if(y<i){ //将上面的div下移一行//// debugger;// var divtop=parseInt(getsmalldiv[a].style.top);//// alert(getsmalldiv[a].style.top);// getsmalldiv[a].style.top=(divtop+$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){ //消除该行//// 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);// }//// } //预判能否移动或变化，action:1.右移，2.左移，3.下移，4.变化 //zb是4个小图形的相对偏移，x是图形左偏移，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: //变形（上方向键） frame.Change(); break; case 37: //左移动 frame.MoveLeft(); break; case 39://右移动 frame.MoveRight(); break; case 40: //向下 frame.MoveDown(); break; }}总结
以上所述是小编给大家介绍的使用JS代码实现俄罗斯方块游戏，希望对大家有所帮助，如果大家有任何疑问请给我留言，小编会及时回复大家的。在此也非常感谢大家对武林网网站的支持！
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