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Javascript
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prototype与jquery下Ajax实现的差别
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javascript 数组操作实用技巧
JavaScript 中级笔记 第二章
JavaScript 中级笔记 第三章
JavaScript 中级笔记 第四章 闭包
JavaScript 中级笔记 第五章 面向对象的基础
Mootools 1.2教程 函数
Mootools 1.2教程 事件处理
通过Mootools 1.2来操纵HTML DOM元素
Mootools 1.2教程 设置和获取样式表属性
Mootools 1.2教程 输入过滤第一部分(数字)
Mootools 1.2教程 输入过滤第二部分(字符串)
Mootools 1.2教程 Fx.Tween的使用
Mootools 1.2教程 Fx.Morph、Fx选项和Fx事件
MooTools 1.2中的Drag.Move来实现拖放
Mootools 1.2教程 正则表达式
Mootools 1.2教程 定时器和哈希简介
Mootools 1.2教程 滚动条(Slider)

Javascript 中的 初试javascript :贪吃蛇啊


出处:互联网   整理: 软晨网(RuanChen.com)   发布: 2009-08-10   浏览: 198 ::
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好久没接触javascript,近日看了看,试试手

界面是参考 lxx8402的俄罗斯方块方法,觉得不错,借用了谢谢,不要P我

原码如下,写的仓促,也没有放积分,参数可以自己修改前面的默认值,

初次发布,恳请交流指教~~~*_*:

tcs.html:

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML>
<HEAD>
<TITLE> New Document </TITLE>
<META NAME="Generator" CONTENT="EditPlus">
<META NAME="Author" CONTENT="">
<META NAME="Keywords" CONTENT="">
<META NAME="Description" CONTENT="">
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<STYLE>
.btnup{
         border-left:solid #ffffff 1px;
         border-top:solid #ffffff 1px;
         border-right:solid #828486 1px;
         border-bottom:solid #828486 1px;
   font-size: 9pt;
   cursor:default
        }
tr{
  font-family:"宋体";
  font-size: 9pt;
  cursor: default
}
</STYLE>
</HEAD>
<SCRIPT LANGUAGE="JavaScript">
<!--
var row = 25,col = 25,size=16;
var delay = 300;//移动延迟
var paused = false;
var end = false
var TimerID;
var s = new snake();
var n = new nut();
var nutad = new Array();
nutad[0] = -1;
nutad[1] = -1;
var Color = new Array(5);
Color[0] = "#d0d0d0";
Color[1] = "red";
Color[2] = "green"
Color[3] = "blue";
Color[4] = "yellow";
var move_direction = new Array();
var curr_direction = new Array();
move_direction[0] = 1;
move_direction[1] = 0;

//========================================
//定义果实
function nut()
{
 this.x = -1;
 this.y = -1;
}

function nut_show()
{
 if (this.x<0 || this.y < 0 )
  return;
 obj = document.all("Main" + this.x + "#" + this.y);
 obj.style.background = Color[2];
}

function nut_create()
{
 var inx = -1;
 var iny = -1;
 for(;;)
 {
  var cur = true;
  inx = Math.round(Math.random() * (row-1));
  iny = Math.round(Math.random() * (col-1));
  for (var i = 0; i<s.items.length ; i++)
  {
   if (s.items[i].x == inx && s.items[i].y == iny)
   {
    cur = false;
    break;
   }
  }
  if (cur)
  {
   break;
  }
 }
 this.x = inx;
 this.y = iny;
 nutad[0] = inx;
 nutad[1] = iny;
 this.show();
}

function nut_eated()
{
 if (this.x<0 || this.y < 0)
  return;
 obj = document.all("Main" + this.x + "#" + this.y);
 obj.style.background = Color[0];
}
nut.prototype.create = nut_create;
nut.prototype.show = nut_show;
nut.prototype.eated = nut_eated;

//========================================
//定义蛇体
function snake()
{
 this.items = new Array();
}

function snake_eat(nt)
{
 var s_length = this.items.length;
 this.items[s_length] = nt;
}

function snake_move(dir)
{
 this.destroy();
 var y = this.items[0].y;
 var x = this.items[0].x;
 var nx = x + dir[1];
 var ny = y + dir[0];
 if (nx <0 || nx >= row || ny <0 || ny >= col || crossed(nx,ny))
 {
  end = true;
  return;
 }
 caneat(nx,ny);
 for (var i = this.items.length-1 ; i>=0 ; i --)
 {

  if (i != 0)
  {
   this.items[i].move(this.items[i-1].x,this.items[i-1].y);
  }
  else
  {
   this.items[i].move(nx,ny);   
  }
 }
 this.reload();
}

function caneat(nx,ny)
{
 if (nx == nutad[0] && ny == nutad[1])
 {
  var lst = s.items[s.items.length-1];
  var nd = new snakeNode(lst.x,lst.y);
  s.eat(nd);
  n.eated();
  n.create();
 }

}
//禁止穿越自身节点
function crossed( nx,  ny )
{
 for (var i = 0; i<s.items.length; i++)
 {
  if (s.items[i].x == nx && s.items[i].y == ny)
  {
   return true;
  }
 }
 return false;
}

function snake_reload()
{
 for (var i = 0 ; i<this.items.length ; i ++)
 {
  var curNode = this.items[i];
  obj = document.all("Main" + curNode.x + "#" + curNode.y);
  obj.style.background = Color[1];
 }
}

function snake_destroy()
{
 for (var i = 0 ; i<this.items.length ; i ++)
 {
  var curNode = this.items[i];
  obj = document.all("Main" + curNode.x + "#" + curNode.y);
  obj.style.background = Color[0];
 }
}

function snake_clear()
{
 this.destroy();
 this.items = new Array();
}

snake.prototype.eat = snake_eat;
snake.prototype.move = snake_move;
snake.prototype.reload = snake_reload;
snake.prototype.destroy = snake_destroy;
snake.prototype.clear = snake_clear;

//蛇体节点
function snakeNode(x,y)
{
 this.id = 0;//编号
 this.x = x;//坐标X
 this.y = y;//坐标Y
 this.color = "#000000";
}

function snakeNode_setC(d_color)
{
 this.color = d_color;
}

function snakeNode_move(dx,dy)
{
 this.x = dx;
 this.y = dy;
}

snakeNode.prototype.setColor = snakeNode_setC ;
snakeNode.prototype.move = snakeNode_move ;

//========================================
//程序界面
//初始化主控制区
function DrawArea(row,col,name){
 var s = "<TABLE BORDER=1 cellspacing=0 cellpadding=1 bgcolor=" + Color[0] + ">";
 for(var i=0; i<row; i++){
  s = s + "<TR Height=" + size + ">";
  for(var j=0; j<col; j++){
   var id = name + i + "#" + j;
   s = s + "<TD Width=" + size + " class=btnup id=" + id;
   s = s + " style=\"background:" + Color[0] + "\">&nbsp;</TD>"
  }
  s = s + "</TR>";
 }
 s = s + "</TABLE>";
 return s;
}

//初始化
function Init(){
 MainArea.innerHTML = DrawArea(row,col,'Main');
}

//==================================
//程序控制区,用来接收输入、定义控制方法
//控制输入
function keyDown(){
 switch(event.keyCode)
 {
  case 37:
   if (curr_direction[0] != -1)
   {
   move_direction[0] = -1;
   move_direction[1] = 0;
   }
   break;
  case 38:
   if (curr_direction[1] != -1)
   {
   move_direction[0] = 0;
   move_direction[1] = -1;
   }
   break;
  case 39:
   if (curr_direction[0] != 1)
   {
   move_direction[0] = 1;
   move_direction[1] = 0;
   }
   break;
  case 40:
   if (curr_direction[1] != 1)
   {
   move_direction[0] = 0;
   move_direction[1] = 1;
   }
   break;
 }
}

function Begin()
{
 end = false;
 paused = false;
 s.clear();
 for (var i = 8; i >=0 ; i--)
 {
  sn = new snakeNode(0,i);
  s.eat(sn);
 }
 n.eated();
 n.create();
 move_direction[0] = 1;
 move_direction[1] = 0;
 curr_direction[1] = s.items[1].x - s.items[0].x;
 curr_direction[0] = s.items[1].y - s.items[0].y;
 Start();
}

//启动开关
function Start()
{
 if (end)
 {
  s.reload();
  alert("挂了!");
  return;
 }
 window.clearInterval(TimerID);
 TimerID = window.setInterval("Run()",delay);
}

//运行主体
var d = true;
function Run(){
 if(paused) return;
 if(true){
  window.clearInterval(TimerID);
  s.move(move_direction);
  curr_direction[1] = s.items[1].x - s.items[0].x;
  curr_direction[0] = s.items[1].y - s.items[0].y;
  Start();
 }
 }

//暂停开关
function Pause()
{
 if (paused)
 {
  paused = false;
  if (!end)
  {
   Run();
  }
 }
 else
 {
  paused = true;
 }
}

//结束
function Over()
{
 end = true;
}
//-->
</SCRIPT>
<BODY BGCOLOR="#FFFFFF" onload="Init()" onkeydown="keyDown()" leftmargin="0" topmargin="0" marginwidth="0" marginheight="0">
<TABLE border="0" cellspacing="0" cellpadding="0" align="center" width="80%">
  <TR>
<TR valign="top" width="80%">
 <TD><SPAN ID="MainArea"></SPAN></TD>
 <TD align="center">
  <BUTTON ID="start" onclick="Begin()">Start</BUTTON><br>
  <BUTTON ID="pause" onclick="Pause()">pause</BUTTON><br>
  <BUTTON ID="over" onclick="Over()">End</BUTTON><br>
 </TD>
</TR>
</TABLE>
</BODY>
</HTML>