位置: IT常识 - 正文
推荐整理分享HTML实现简单的贪吃蛇小游戏(附完整源码)(html怎么做),希望有所帮助,仅作参考,欢迎阅读内容。
文章相关热门搜索词:html语言简单,html怎么设计,简易html,html简单制作,简易html,html简单例子,用html,html简单例子,内容如对您有帮助,希望把文章链接给更多的朋友!
贪吃蛇作为我们儿时经典的游戏之一,它是一款单机而又好玩的小游戏。今天,就让我们用html5技术实现一个简单的贪吃蛇小游戏!
项目核心技术:html5的canvas+JS技术
操作步骤:游戏玩家通过操作键盘的方向键(上下左右键)来控制小蛇的方向,使小蛇吃到红色的食物,然后促使小蛇长大。并且,如果得到的分数在不断上涨,游戏的难度也会不断的上升(小蛇的移动速度会越来越快)。如果小蛇头部撞到墙壁或小蛇自己的身体,就会判定游戏失败。
实现效果图:(不会动态图,将就着看!)本项目代码一共分为两个部分:HTML+JS两部分。具体代码如下:
HTML代码:<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><html><head><meta charset="utf-8"><title>html5贪吃蛇小游戏</title><script type="text/javascript" src="贪吃蛇.js"></script><script></script></head><body><h1>html5贪吃蛇小游戏</h1><div align="left" class="a">游戏规则:<br>1.初始分数为=0、初始速度为1!<br>2.操作蛇移动,使蛇可以吃到红色的食物!<br>3.每当我的分数每次达到100分时,当前速度就会提高一个等级!<br>4.最高速度为10.相信能力强的人可以达到最高速度!<br>5.当蛇的碰到墙体或者自己的身子的时候,会宣布游戏失败!<br></div><style>body{text-align: center;background-color: aqua;}#snake{margin-top: 20px;}.a{margin-top: 50px;margin-left: 680px;width: 600px;font-size: 20px;}</style><canvas id="snake" width="" height=""></canvas><h3 id="score">我的得分:0</h3><h3 id="speed">当前速度:1</h3><script>var snake = new Snake("snake","score","speed",36,36);snake.init();</script></body>js代码:var Snake = function(ele,scoreele,speedele,x,y){this.cellWidth = 15;//格子的大小this.ele = document.getElementById(ele);this.cxt = this.ele.getContext("2d");this.x=x;this.y=y;this.scoreele = document.getElementById(scoreele);this.speedele = document.getElementById(speedele);//生成canvas大小。边框。this.ele.width = this.cellWidth * this.x;this.ele.height = this.cellWidth * this.y;this.ele.style.border ="2px solid #000";this.changeDiretion();//绑定方向事件。}Snake.prototype = {init:function(){//初始化,重置。恢复js数据以及dom。this.direction = 1;//向右 2下 3左 4 上this.nextDirection = '';this.snakeArr = [[0,parseInt(this.y/2)],[1,parseInt(this.y/2)]];this.speed = 1;this.score = 0;this.cxt.fillStyle ='#fff';this.cxt.fillRect(0,0,this.cellWidth*this.x,this.cellWidth*this.y);this.scoreele.innerHTML="我的得分:0";this.speedele.innerHTML="当前速度:1";this.createCoolPoint();this.drawCell(this.coolPoint,2);this.drawSnake();this.setTimer();},getCellArea:function(pos){//返回一个格子左上角的像素坐标[32,666];return [(pos[0]-1)*this.cellWidth+1,(pos[1]-1)*this.cellWidth+1];},setTimer:function(){var speedArr = [180,160,140,120,100,80,60,40,20];var speed = this.speed;if(speed>8){speed = 8;}(function(theThis){var that = theThis;that.timer = setTimeout(function() {that.moveSnake();}, speedArr[speed]);})(this);},moveSnake:function(){//移动蛇的逻辑。数组处理。this.direction = this.nextDirection == ''?this.direction:this.nextDirection;//当前移动方向,和下一个移动方向。这样处理能避免一个bug.var direction = this.direction;var snakeArr = this.snakeArr;var snakeHead = snakeArr[snakeArr.length-1];switch(direction){case 1 ://向右snakeHead = [snakeHead[0]+1,snakeHead[1]];break;case 2 ://向下snakeHead = [snakeHead[0],snakeHead[1]+1];break;case 3 ://向左snakeHead = [snakeHead[0]-1,snakeHead[1]];break;case 4 ://向上snakeHead = [snakeHead[0],snakeHead[1]-1];break;}//超界,或撞上自己。结束,重置。if(in_array(snakeHead,snakeArr) || snakeHead[0]<0 || snakeHead[0]>this.x || snakeHead[1]<0 || snakeHead[1]>this.y){window.clearInterval(this.timer);alert('虽然失败了,不过没关系,还可以再来一局!本局得分:'+this.score);this.init();return;} snakeArr.push(snakeHead);//将蛇头放入数组 this.drawCell(snakeHead,1); if(snakeHead.toString() != this.coolPoint.toString()){var tail = snakeArr.shift();//移除蛇尾。this.drawCell(tail,0);}else{//撞到coolPointthis.createCoolPoint();this.drawCell(this.coolPoint,2);this.score = this.score + 10;this.scoreele.innerHTML="我的得分:"+this.score;this.speed = Math.ceil((this.score + 1)/100);this.speedele.innerHTML="当前速度:"+this.speed;}this.setTimer();},createCoolPoint:function(){//随机生成coolPoint,不在代表snakeArr的数组中。do{this.coolPoint = [getRandom(this.x),getRandom(this.y)];}while(in_array(this.coolPoint,this.snakeArr));},changeDiretion:function(){//更换移动方向。下一步的移动方向。var that = this;document.onkeydown=function(event){var e = event || window.event || arguments.callee.caller.arguments[0];var direction = that.direction;var keyCode = e.keyCode;switch(keyCode){case 39://右if(direction!=1 && direction !=3){that.nextDirection = 1;}break;case 40://下if(direction!=2 && direction !=4){that.nextDirection = 2;}break;case 37://左if(direction!=1 && direction !=3){that.nextDirection = 3;}break;case 38://上if(direction!=2 && direction !=4){that.nextDirection = 4;}break;default:break;}}; },drawSnake:function(){//绘制初始小蛇。var snakeArr = this.snakeArr;for (var i = 0,sLen=snakeArr.length; i < sLen; i++) {this.drawCell(snakeArr[i],1);};},drawCell:function(pos,type){//绘制会用到的几种颜色的图。var colorArr = ['#fff','rgb(0, 0, 0)',"red"];var cxt = this.cxt;var area;cxt.fillStyle = colorArr[type];area = this.getCellArea(pos);cxt.fillRect(area[0],area[1],this.cellWidth-1,this.cellWidth-1);}}function moveClock() { moveSnake(head.d);}var isMove = false;function beginGame() { !isMove && setInterval(moveClock, 300); isMove = true;}//生成随机正整数 1到n之间。function getRandom(n){return Math.floor(Math.random()*n+1)}//判断一个数组是否在另一个数组中。注意toString()function in_array(stringToSearch, arrayToSearch) {for (s = 0; s < arrayToSearch.length; s++) {thisEntry = arrayToSearch[s].toString();if (thisEntry == stringToSearch.toString()) {return true;}}return false;}想直接下载代码的,请点击以下链接进入下载:
不会内卷/贪吃蛇小游戏 - 码云 - 开源中国 (gitee.com)
点击贪吃蛇项目代码即可看到相关的所有文件代码!
观看完了,麻烦给个点赞+收藏!!!
谢谢!!!
如果有更好的建议,可以私信或者在评论区留言一起讨论!!!
上一篇:第十四届蓝桥杯第三期模拟赛 C/C++ B组 原题与详解(第十四届蓝桥杯大赛官网)
下一篇:古罗马广场,意大利 (© Peter Zelei Images/Getty Images)(古罗马广场意大利)
友情链接: 武汉网站建设