贪食蛇js代码（贪吃蛇的编程代码）

本文目录一览：

• 1、js中当贪吃蛇达到一定长度加速的代码怎么写
• 2、各位大侠，本人新手跪拜写贪吃蛇的代码，只需提供具体步骤 编译环境 涉及的函数 无需具体代码！不胜感激呀
• 3、高手帮忙解释一下JAVA 贪食蛇游戏中蛇的代码

js中当贪吃蛇达到一定长度加速的代码怎么写

获取长度变量的值，判断长度，大于一定长度，改变速度就好了

各位大侠，本人新手跪拜写贪吃蛇的代码，只需提供具体步骤 编译环境 涉及的函数 无需具体代码！不胜感激呀

我这里有一个之前用js写的贪吃蛇，只要用浏览器就可以看到效果。

你新建一个snake.html,然后右击-打开方式-记事本，把下面的代码复制到里面，然后保存好。再用浏览器打开这个页面就能看到html。

————————————————-以下是代码————————————-

!DOCTYPE html PUBLIC “-//W3C//DTD XHTML 1.0 Transitional//EN” “”

html xmlns=””

head

meta http-equiv=”Content-Type” content=”text/html; charset=gb2312″ /

title贪吃蛇/title

script type=”text/javascript”

/**************js代码************************/

var width = 10 ; //单元格的宽高,食物的宽高

var num = 60 ; //单元格列数

var row = 30; //单元格行数

var map_width = 0; //地图的宽度

var map_height = 0; //地图的宽度

var map_arr = new Array() ;//地图数组

var border = 5;//地图边框厚度

var borderColor = “#ff0”; //地图边框颜色

var footColor = “#f00”; //食物颜色

var snakeColor = “#faa”; //蛇的颜色

var Sx,Sy; //蛇的初始化位置

var Gx = 0,Gy = 0;//蛇移动方向

var oTime = 0,ot = 200; //蛇移动速度

var dd = 10; //每升一级提升的速度

var fen = 0 ; //得分

var den = 1 ; //等级

var lock = 1; //操作锁

var sfColor = “#f55”; //食物吞进后的颜色

var times = 0;//计时器

var timer;

var easyColor = “blue”;

var easyNum = 3; //阻碍个数

//创建地图

function create_map(){

var map = document.createElement(“div”);

map_width = width*num;

map_height = width*row;

//获得屏幕宽高

var sw = window.screen.width;

var sh = window.screen.height;

//设置map样式

map.setAttribute(‘id’,’map’);

map.style.position = ‘absolute’;

map.style.width = map_width+2*border+’px’;

map.style.height = map_height+2*border+’px’;

map.style.border = border+”px solid “+borderColor;

map.style.left = (sw/2) – (map_width/2) + ‘px’;

map.style.top = (sh/2) – (map_height/2) – 120 + ‘px’;

document.body.appendChild(map);

//设置地图数组初始值

for(var i = 0;i=num;i++ ){

map_arr[i] = new Array();

for(var j = 0;j=row;j++){

map_arr[i][j] = 1;

}

}

}

//创建食物

function create_foot(){

var fw = parseInt(Math.random()*num);

var fh = parseInt(Math.random()*row);

if(map_arr[fw][fh] != 1){

create_foot();

return ;

}else{

var span = document.createElement(“span”);

span.style.width = width+’px’;

span.style.height = width + ‘px’;

span.style.position = “absolute”;

span.style.marginLeft = width*fw+’px’;

span.style.marginTop = width*fh+’px’;

span.style.backgroundColor = footColor;

span.style.overflow = ‘hidden’;

span.setAttribute(‘id’,’foot’);

document.getElementById(‘map’).appendChild(span);

map_arr[fw][fh] = 2;

}

}

//创建蛇

function create_snake(){

var snake = document.createElement(‘div’);

snake.style.position = ‘absolute’;

snake.style.left = Sx*width+’px’;

snake.style.top = Sy*width+’px’;

snake.style.width = width+’px’;

snake.style.height = width+’px’;

snake.style.overflow = ‘hidden’;

snake.style.backgroundColor = snakeColor;

snake.style.color = snakeColor;

//存储当前蛇体的位置

snake.innerHTML = Sx+’#’+Sy;

//吞进的食物另做处理

if(map_arr[Sx][Sy] == 2){

snake.style.backgroundColor = sfColor;

snake.style.color = sfColor;

}

document.getElementById(‘map’).appendChild(snake);

map_arr[Sx][Sy] = 3;

}

//蛇移动的前方碰到食物

function move1(){

//吃掉食物

//map_arr[Sx][Sy] = 1;

obj = document.getElementById(‘foot’);

document.getElementById(‘map’).removeChild(obj);

//创建蛇头

create_snake();

//创建食物

create_foot();

//获得分数

resetFen();

}

//重置分数和加快游戏速度

function resetFen(){

fen += 10;

document.getElementById(‘shu’).innerHTML = fen;

den = parseInt(fen/100)+1;

document.getElementById(‘den’).innerHTML = den;

oTime = ot – (den-1)*dd;

}

//蛇移动前方为空地

function move2(){

//删除蛇尾

pos = document.getElementById(‘map’).getElementsByTagName(‘div’)[0].innerHTML;

arr = pos.split(‘#’);

x = parseInt(arr[0]);

y = parseInt(arr[1]);

map_arr[x][y] = 1;

obj = document.getElementById(‘map’).getElementsByTagName(‘div’)[0];

document.getElementById(‘map’).removeChild(obj);

//创建蛇头

create_snake();

}

//重新开始

function move3(){

window.clearInterval(timer);

if(confirm(“Game Over，重新开始？”))

window.location.reload()

}

//蛇移动

function move(){

Sx += Gx;

Sy += Gy;

if(Sx0 || Sy0 || Sxnum || Syrow){

move3();

}else if(map_arr[Sx][Sy] == 1){

move2();

window.setTimeout(“move()”,oTime);

}else if(map_arr[Sx][Sy] == 2){

move1();

window.setTimeout(“move()”,oTime);

}else{

move3();

}

lock = 1;

}

window.onload = function(){

getSoure();

oTime = ot – (den-1)*dd;

//创建地图

create_map();

//设置蛇的初始位置

Sx = parseInt(Math.random()*num);

Sy = parseInt(Math.random()*row);

create_snake();

//创建食物

create_foot();

//设置阻碍

for(var i=0;ieasyNum;i++){

len = parseInt(Math.random()*row/2)+5;

rows = parseInt(Math.random()*row);

cols = parseInt(Math.random()*num);

bool = parseInt(Math.random()*100)%2;

setEasy(len,cols,rows,bool);

}

window.document.onkeydown = function(e){

e = window.event || e;

if(e.keyCode == 37 Gx != 1 lock == 1 ){

lock = 0;

goes(-1,0);

}else if(e.keyCode == 39 Gx != -1 lock == 1){

lock = 0;

goes(1,0)

}else if(e.keyCode == 38 Gy != 1 lock == 1){

lock = 0;

goes(0,-1)

}else if(e.keyCode == 40 Gy != -1 lock == 1){

lock = 0;

goes(0,1)

}else if(e.keyCode == 27){

alert(“游戏暂停”);

}

}

}

var start = 1;

function goes(x,y){

Gx = x;

Gy = y;

if(start == 1){

move();

start = 0;

setTime();

}

}

//计时

function setTime(){

window.clearInterval(timer);

timer = window.setInterval(function(){

times += 1;

var min = parseInt(times/6000);

var s = parseInt(times/100);

s = s%60;

var ms = parseInt(times%100);

(min 10) (min = ‘0’+min);

(s 10) (s = ‘0’+s);

(ms 10) (ms = ‘0’+ms);

document.getElementById(‘time’).innerHTML = min+”:”+s+”:”+ms

},10)

}

//创建得分及等级窗口

function getSoure(){

var source = document.createElement(‘div’);

source.style.position = “absolute”;

source.style.width = “300px”;

source.style.height = “200px”;

source.style.border = “2px solid #ff0”;

var cheng = document.createElement(‘div’);

cheng.style.width = “200px”;

cheng.style.height = “30px”;

cheng.style.paddingTop = “10px”;

var title = document.createElement(‘span’);

title.style.width = “90px”;

title.style.paddingTop = “15px”;

title.style.paddingLeft = “30px”;

title.style.cssFloat = “left”;

title.style.color = “red”;

title.style.fontSize = “14px”;

title.style.fontWeight = “900”;

title.innerHTML = “分    数：”;

var shu = document.createElement(‘span’);

shu.style.width = “50px”;

shu.style.paddingLeft = “30px”;

shu.style.paddingTop = “10px”;

shu.style.cssFloat = “left”;

shu.style.color = “red”;

shu.style.fontSize = “24px”;

shu.style.fontWeight = “900”;

shu.setAttribute(‘id’,’shu’);

shu.innerHTML = “0”;

cheng.appendChild(title);

cheng.appendChild(shu);

source.appendChild(cheng);

cheng = document.createElement(‘div’);

cheng.style.width = “200px”;

cheng.style.height = “30px”;

cheng.style.paddingTop = “20px”;

title = document.createElement(‘span’);

title.style.width = “90px”;

title.style.paddingTop = “15px”;

title.style.paddingLeft = “30px”;

title.style.cssFloat = “left”;

title.style.color = “red”;

title.style.fontSize = “14px”;

title.style.fontWeight = “900”;

title.innerHTML = “等    级：”;

shu = document.createElement(‘span’);

shu.style.width = “50px”;

shu.style.paddingLeft = “30px”;

shu.style.paddingTop = “10px”;

shu.style.cssFloat = “left”;

shu.style.color = “red”;

shu.style.fontSize = “24px”;

shu.style.fontWeight = “900”;

shu.setAttribute(‘id’,’den’);

shu.innerHTML = “1”;

cheng.appendChild(title);

cheng.appendChild(shu);

source.appendChild(cheng);

cheng = document.createElement(‘div’);

cheng.style.width = “200px”;

cheng.style.height = “auto”;

cheng.style.paddingTop = “20px”;

title = document.createElement(‘span’);

title.style.width = “90px”;

title.style.paddingTop = “15px”;

title.style.paddingLeft = “30px”;

title.style.cssFloat = “left”;

title.style.color = “red”;

title.style.fontSize = “14px”;

title.style.fontWeight = “900”;

title.innerHTML = “计    时：”;

shu = document.createElement(‘span’);

shu.style.width = “50px”;

shu.style.paddingLeft = “30px”;

shu.style.paddingTop = “10px”;

shu.style.cssFloat = “left”;

shu.style.color = “red”;

shu.style.fontSize = “24px”;

shu.style.fontWeight = “900”;

shu.setAttribute(‘id’,’time’);

shu.innerHTML = “00:00:00”;

cheng.appendChild(title);

cheng.appendChild(shu);

source.appendChild(cheng);

document.body.appendChild(source);

}

//阻栏

function setEasy(len,nums,rows,bool){

for(var i=0;ilen;i++){

var fw = bool == 0 ? nums : nums+i;

var fh = bool == 0 ? rows+i : rows;

if(fw = num fh = row map_arr[fw][fh] == 1){

var span = document.createElement(“span”);

span.style.width = width+’px’;

span.style.height = width + ‘px’;

span.style.position = “absolute”;

span.style.marginLeft = width*fw+’px’;

span.style.marginTop = width*fh+’px’;

span.style.backgroundColor = easyColor;

span.style.overflow = ‘hidden’;

document.getElementById(‘map’).appendChild(span);

map_arr[fw][fh] = 4;

}

}

}

/script

/head

body

/body

/html

高手帮忙解释一下JAVA 贪食蛇游戏中蛇的代码

public

class

Snake

implements

Data//蛇类实现了data接口

{

public

Snake()

{

array.add(new

Point(10,

10));//

array.add(new

Point(10,

11));//

array.add(new

Point(10,

12));//

array.add(new

Point(10,

13));//

array.add(new

Point(10,

14));//这五句话是构造一个蛇，这条蛇由五个坐标点连成

currentFlag

=UPFLAG

;//当前的运动方向设为向上

lifeFlag

=

true;//当前蛇的生命设为活着

}

public

void

move()//蛇的运动函数

{

tair

=

(Point)array.get(array.size()

–

1);//得到蛇的尾巴

int

len

=

array.size()

–

2;

for(int

i

=

len;

i

=

0;

i–)//这个for循环把蛇的每一个点都坐标偏移即运动了

{

Point

leftPoint

=

(Point)array.get(i);

Point

rightPoint

=

(Point)array.get(i

+

1);

rightPoint.x

=

leftPoint.x;

rightPoint.y

=

leftPoint.y;//每一个右边的点等于其左边的点，像蛇那样的一缩一张的运动

}

}

public

void

moveHeadLeft()//把蛇的头部转向左边

{

if(currentFlag

==

RIGHTFLAG

||

currentFlag

==

LEFTFLAG)//如果运动方向设为向左或向右则不执行

{

return;

}

move();

Point

point

=

(Point)(array.get(0));

//得到蛇头部

point.x

=

point.x

–

1;//蛇头部横坐标减一，纵坐标不变

point.y

=

point.y;

if(point.x

LEFT)//如果蛇头部不能再左，就不执行

{

lifeFlag

=

false;

}

currentFlag

=

LEFTFLAG;//将蛇运动方向改为左

}