未完成的JS作品之一：用面向对象思想写的虫吃豆游戏
日期：2009-08-19 浏览次数：20830 次
无聊时写的，稍作修改就可以支持多人游戏的，实在是懒得写下去了
i键：上，j键：左，k键：下，l键：右
<HTML>
<style>
td {width:2pt;height:2pt;font-size:2pt;}
</style>
<script>
function Pos(x,y) {
this.x = x;
this.y = y;
return this;
}
function Snake(x,y) {
this.node = new Array();
for (var i=0;i<20;i++)
this.node[i] = new Pos(x,y);
this.direction = 0;
this.board = null;
this.setBoard = function (board) {
this.board = board;
}
this.left = function () {
var c;
with (this)
if (board.check(node[0].x-1,node[0].y)) {
clear();
moveNode();
node[0].x--;
c = board.getDot(node[0].x,node[0].y);
draw();
}
else
c = 'black';
this.direction = 2;
return c;
}
this.right = function () {
var c;
with (this)
if (board.check(node[0].x+1,node[0].y)) {
clear();
moveNode();
node[0].x++;
c = board.getDot(node[0].x,node[0].y);
draw();
}
else
c = 'black';
this.direction = 4;
return c;
}
this.up = function () {
var c;
with (this)
if (board.check(n
i键：上，j键：左，k键：下，l键：右
<HTML>
<style>
td {width:2pt;height:2pt;font-size:2pt;}
</style>
<script>
function Pos(x,y) {
this.x = x;
this.y = y;
return this;
}
function Snake(x,y) {
this.node = new Array();
for (var i=0;i<20;i++)
this.node[i] = new Pos(x,y);
this.direction = 0;
this.board = null;
this.setBoard = function (board) {
this.board = board;
}
this.left = function () {
var c;
with (this)
if (board.check(node[0].x-1,node[0].y)) {
clear();
moveNode();
node[0].x--;
c = board.getDot(node[0].x,node[0].y);
draw();
}
else
c = 'black';
this.direction = 2;
return c;
}
this.right = function () {
var c;
with (this)
if (board.check(node[0].x+1,node[0].y)) {
clear();
moveNode();
node[0].x++;
c = board.getDot(node[0].x,node[0].y);
draw();
}
else
c = 'black';
this.direction = 4;
return c;
}
this.up = function () {
var c;
with (this)
if (board.check(n
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