-
Notifications
You must be signed in to change notification settings - Fork 0
/
Copy path围棋.html
161 lines (151 loc) · 5.3 KB
/
围棋.html
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title></title>
<style type="text/css">
body {
margin: 10px;
}
</style>
<script type="text/javascript">
var canvas;
var context;
var isWhite = true;//设置是否该轮到白棋
var isWell = false;//设置该局棋盘是否赢了，如果赢了就不能再走了
var img_b = new Image();
img_b.src = "images/b.png";//白棋图片
var img_w = new Image();
img_w.src = "images/w.png";//黑棋图片
var chessData = new Array(15);//这个为棋盘的二维数组用来保存棋盘信息，初始化0为没有走过的，1为白棋走的，2为黑棋走的
for (var x = 0; x < 15; x++) {
chessData[x] = new Array(15);
for (var y = 0; y < 15; y++) {
chessData[x][y] = 0;
}
}
function drawRect() {//页面加载完毕调用函数，初始化棋盘
canvas = document.getElementById("canvas");
context = canvas.getContext("2d");
for (var i = 0; i <= 640; i += 40) {//绘制棋盘的线
context.beginPath();
context.moveTo(0, i);
context.lineTo(640, i);
context.closePath();
context.stroke();
context.beginPath();
context.moveTo(i, 0);
context.lineTo(i, 640);
context.closePath();
context.stroke();
}
}
function play(e) {//鼠标点击时发生
var x = parseInt((e.clientX - 20) / 40);//计算鼠标点击的区域，如果点击了（65，65），那么就是点击了（1，1）的位置
var y = parseInt((e.clientY - 20) / 40);
if (chessData[x][y] != 0) {//判断该位置是否被下过了
alert("你不能在这个位置下棋");
return;
}
if (isWhite) {
isWhite = false;
drawChess(1, x, y);
}
else {
isWhite = true;
drawChess(2, x, y);
}
}
function drawChess(chess, x, y) {//参数为，棋（1为白棋，2为黑棋），数组位置
if (isWell == true) {
alert("已经结束了，如果需要重新玩，请刷新");
return;
}
if (x >= 0 && x < 15 && y >= 0 && y < 15) {
if (chess == 1) {
context.drawImage(img_w, x * 40 + 20, y * 40 + 20);//绘制白棋
chessData[x][y] = 1;
}
else {
context.drawImage(img_b, x * 40 + 20, y * 40 + 20);
chessData[x][y] = 2;
}
judge(x, y, chess);
}
}
function judge(x, y, chess) {//判断该局棋盘是否赢了
var count1 = 0;
var count2 = 0;
var count3 = 0;
var count4 = 0;
//左右判断
for (var i = x; i >= 0; i--) {
if (chessData[i][y] != chess) {
break;
}
count1++;
}
for (var i = x + 1; i < 15; i++) {
if (chessData[i][y] != chess) {
break;
}
count1++;
}
//上下判断
for (var i = y; i >= 0; i--) {
if (chessData[x][i] != chess) {
break;
}
count2++;
}
for (var i = y + 1; i < 15; i++) {
if (chessData[x][i] != chess) {
break;
}
count2++;
}
//左上右下判断
for (var i = x, j = y; i >= 0, j >= 0; i--, j--) {
if (chessData[i][j] != chess) {
break;
}
count3++;
}
for (var i = x + 1, j = y + 1; i < 15, j < 15; i++, j++) {
if (chessData[i][j] != chess) {
break;
}
count3++;
}
//右上左下判断
for (var i = x, j = y; i >= 0, j < 15; i--, j++) {
if (chessData[i][j] != chess) {
break;
}
count4++;
}
for (var i = x + 1, j = y - 1; i < 15, j >= 0; i++, j--) {
if (chessData[i][j] != chess) {
break;
}
count4++;
}
if (count1 >= 5 || count2 >= 5 || count3 >= 5 || count4 >= 5) {
if (chess == 1) {
alert("白棋赢了");
}
else {
alert("黑棋赢了");
}
isWell = true;//设置该局棋盘已经赢了，不可以再走了
}
}
</script>
</head>
<body onload="drawRect()">
<div>
<canvas width="640" id="canvas" onmousedown="play(event)" height="640">你的浏览器不支持HTML5 canvas ，请使用 google chrome 浏览器 打开.
</canvas>
</div>
</body>
</html>