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js贪吃蛇网页版游戏特效代码分享(挑战十关)

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js贪吃蛇网页版游戏特效,经测试图片切换过程非常酷,相信大家一定都玩过这个经典小游戏吧,但是它是怎么实现的呐,感兴趣的朋友快来学习学习吧

运行效果图:----------------------查看效果-----------------------

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为大家分享的js贪吃蛇网页版游戏特效代码如下

<body><title>js贪吃蛇网页版游戏特效</title></body>
<script> 
 Star = {
 init:function(){
 var bigDiv = this.appendEle(this.addStyle(this.creatEle(),
 {w:'900',h:'600',p:'absolute',t:10,l:500}));
 for(var i = 0; i<600/30;i++){
 Star.data.arrayAll[i] = [];
 for(var j = 0; j<900/30; j++){
 div = this.addStyle(this.creatEle(),{w:(!+[1,] ? 30 :28),h:(!+[1,] ? 30 :28),f:'left',border:'1px solid #666'});
 div.setAttribute('number', i*30+j)
 this.appendEle(div,bigDiv)
 Star.data.arrayAll[i][j] = div;
 }
 }
 bigDiv = this.appendEle(this.addStyle(this.creatEle(),
 {w:'900',h:'600',p:'absolute',t:10,l:500}));


 this.pushEleInSelect(Star.data.arrayAll[9][15],Star.data.arrayAll[9][14],Star.data.arrayAll[9][13])
 this.keyBoard.apply(this,arguments);
 this.appearPoint();
 this.leftGo();
 },
 appearPoint:function(){
 var arrayIn = [];
 var number;
 for(var i = 0; i<600; i++){
 if(!this.hasInArray(Star.data.arrayAll[parseInt(i/30)][i%30].getAttribute('number'),Star.data.arraySelect)){
 arrayIn.push(Star.data.arrayAll[i])
 }
 }
 Star.data.foodNumber = number = parseInt(Math.random()*arrayIn.length);
 this.giveColor(number)
 },
 giveColor:function(number){
 var div = Star.data.arrayAll[parseInt(number/30)][number%30];
 Star.timeInterval.timeB = setInterval(function(){
 if(div.className == 'shanshuo'){
 div.className = ''
 div.style.backgroundColor = '#fff'
 }
 else{
 div.className = 'shanshuo';
 div.style.backgroundColor = '#f00'
 }
 },500)
 },
 disappearColor:function(){
 clearInterval(Star.timeInterval.timeB);
 Star.data.arrayAll[parseInt(Star.data.foodNumber/30)][Star.data.foodNumber%30].style.backgroundColor = '#f00';
 },
 hasInArray:function(number,array){
 for(var i in array){
 if(array[i] instanceof Array){
 if(this.hasInArray(number,array[i])){
 return true;
 }
 }
 if(array[i].getAttribute && array[i].getAttribute('number') == number) return true;
 }
 return false;
 },
 keyBoard:function(){
 var self = this;
 document.onkeydown = function(e){
 e = e? e : window.event;
 switch(e.keyCode){
 case 37: if(Star.keycode == 37 || Star.keycode == 39){return;}; self.leftGo(); break;
 case 38: if(Star.keycode == 38 || Star.keycode == 40){return;}; self.upGo();break;
 case 39: if(Star.keycode == 37 || Star.keycode == 39){return;}; self.rightGo();break;
 case 40: if(Star.keycode == 38 || Star.keycode == 40){return;}; self.downGo();break;
 }
 }
 },
 leftGo:function(){
 var div, number , self = this;
 Star.keycode = 37;
 clearInterval(Star.timeInterval.timeA)
 Star.timeInterval.timeA = setInterval(function(){
 number = Star.data.arraySelect[0].getAttribute('number');
 if(number%30<=0 || self.hasInArray(number-1,Star.data.arraySelect)){
 self.guanle();
 }
 else{
 if(Star.data.foodNumber == number-1){
 self.pushEleInSelect(Star.data.arrayAll[parseInt(Star.data.foodNumber/30)][Star.data.foodNumber%30]);
 self.disappearColor();
 self.appearPoint();
 }
 else{
 div = Star.data.arraySelect.pop();
 div.style.background = '#fff';

 self.pushEleInSelect(Star.data.arrayAll[parseInt(number/30)][number%30-1]);
 }
 }
 },Star.timeInterval.speed)
 },
 upGo:function(){
 var div, number , self = this;
 Star.keycode = 38;
 clearInterval(Star.timeInterval.timeA)
 Star.timeInterval.timeA = setInterval(function(){
 number = parseInt(Star.data.arraySelect[0].getAttribute('number'));

 if(parseInt(number/30)<=0 || self.hasInArray(number-30,Star.data.arraySelect)){
 self.guanle();
 }
 else{
 if(Star.data.foodNumber == number-30){
 self.pushEleInSelect(Star.data.arrayAll[parseInt(Star.data.foodNumber/30)][Star.data.foodNumber%30]);
 self.disappearColor();
 self.appearPoint();
 }
 else{
 div = Star.data.arraySelect.pop();
 div.style.background = '#fff';
 self.pushEleInSelect(Star.data.arrayAll[parseInt(number/30)-1][number%30]);
 }
 }
 },Star.timeInterval.speed)
 },
 rightGo:function(){
 var div, number , self = this;
 Star.keycode = 39;
 clearInterval(Star.timeInterval.timeA)
 Star.timeInterval.timeA = setInterval(function(){
 number = parseInt(Star.data.arraySelect[0].getAttribute('number'));
 if(parseInt(number%30)>=29 || self.hasInArray(number+1,Star.data.arraySelect)){
 self.guanle();
 }
 else{
 if(Star.data.foodNumber == number+1){
 self.pushEleInSelect(Star.data.arrayAll[parseInt(Star.data.foodNumber/30)][Star.data.foodNumber%30]);
 self.disappearColor();
 self.appearPoint();
 }
 else{
 div = Star.data.arraySelect.pop();
 div.style.background = '#fff';
 self.pushEleInSelect(Star.data.arrayAll[parseInt(number/30)][number%30+1]);
 }
 }
 },Star.timeInterval.speed)
 },
 downGo:function(){
 var div, number , self = this;
 Star.keycode = 40;
 clearInterval(Star.timeInterval.timeA)
 Star.timeInterval.timeA = setInterval(function(){
 number = parseInt(Star.data.arraySelect[0].getAttribute('number'));
 if(parseInt(number/30)>=19 || self.hasInArray(number+30,Star.data.arraySelect)){
 self.guanle();
 }
 else{
 if(Star.data.foodNumber == number+30){
 self.pushEleInSelect(Star.data.arrayAll[parseInt(Star.data.foodNumber/30)][Star.data.foodNumber%30]);
 self.disappearColor();
 self.appearPoint();
 }
 else{
 div = Star.data.arraySelect.pop();
 div.style.background = '#fff';
 self.pushEleInSelect(Star.data.arrayAll[parseInt(number/30)+1][number%30]);
 }
 }
 },Star.timeInterval.speed)
 },
 guanle:function(){
 alert('撞墙了,总分:' + (Star.data.arraySelect.length-3) * parseInt(1000 / Star.timeInterval.speed));
 location.reload();
 },
 creatEle:function(tag){
 var tagName = tag || 'DIV'
 return document.createElement(tagName)
 },
 appendEle:function(ele,father){
 var father = father || document.body || document.documentElement
 father.appendChild(ele)
 return ele;
 },
 addStyle:function(ele,css){
 for(var i in css){
 switch(i){
 case 'b' : ele.style.background = css[i]; break;
 case 'l' : ele.style.left = css[i]+'px'; break;
 case 'r' : ele.style.right = css[i]+'px'; break;
 case 't' : ele.style.top = css[i]+'px'; break;
 case 'd' : ele.style.down = css[i]+'px'; break;
 case 'p' : ele.style.position = css[i]; break;
 case 'w' : ele.style.width = css[i]+'px'; break;
 case 'h' : ele.style.height = css[i]+'px'; break;
 case 'f' : ele.style.cssFloat = css[i]; ele.style.styleFloat = css[i]; break;
 default : ele.style[i] = css[i]; break;
 }
 }
 return ele;
 },
 pushEleInSelect:function(){
 for(var i = 0; i<arguments.length; i++){
 Star.data.arraySelect = [arguments[i]].concat(Star.data.arraySelect)
 this.addStyle(arguments[i],{b:'#f00'})
 }
 }
 }
 Star.data={
 arrayAll : [],
 arraySelect:[],
 newPoint:null,
 foodNumber:0
 }
 Star.timeInterval={
 timeA:null,
 timeB:null
 }
 Star.keycode = 0;


 window.onload = function(){
 var select = Star.creatEle('select');
 var optionDefault = Star.creatEle('option');
 optionDefault.innerHTML = '请选择关卡'
 Star.appendEle(optionDefault,select)
 Star.addStyle(select,{w:200,h:30,p:'absolute',left:'40%',top:'40%'})
 for(var i = 0 ; i <10 ; i++){
 var option = Star.creatEle('option');
 option.innerHTML = '第' + (i+1) + '关'
 Star.appendEle(option,select);
 }
 Star.appendEle(select)
 select.onchange = function(){
 selectValue = select.options[select.selectedIndex].value || select.options[select.selectedIndex].innerHTML
 var number = selectValue.match(/\d+/)[0]
 Star.timeInterval.speed = parseInt(200/number);
 Star.addStyle(select,{display:'none'});
 Star.init();
 }
 }

</script>

以上就是为大家分享的js贪吃蛇网页版游戏特效代码,希望大家可以喜欢。

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