<script language="JavaScript">
<!--
/***************** Magic Squares Functions *********************/
function initArray() {
this.length = initArray.arguments.length
for (var i = 0; i < this.length; i++)
this[i+1] = initArray.arguments[i]
}
var pos = new initArray(9,9,9,9,9,9,9,9,9);
var nummoves= 0;
function random() {
today = new Date();
num = today.getTime();
num = Math.round(Math.abs(Math.sin (num)*1000000)) % 9;
return num;
}
function display(pos) {
for (var i=0; i<9; i++) {
document.forms[0].elements[i].value = pos[i];
}
document.forms[0].moves.value= nummoves;
win();
}
function move(num) {
// num is the number of the field the user clicked - not
the image!
if (num < 8 && pos[num+1]==0) { // switch with
num to right
pos[num+1]= pos[num];
pos[num]= 0;
nummoves++;
}
else if (num > 0 && pos[num-1]==0) { // switch
with num to left
pos[num-1]= pos[num];
pos[num]= 0;
nummoves++;
}
else if (num > 2 && pos[num-3]==0) {
pos[num-3]= pos[num];
pos[num]= 0;
nummoves++;
}
else if (num < 6 && pos[num+3]==0 ) {
pos[num+3]= pos[num];
pos[num]= 0;
nummoves++;
}
//else illegal move => no move!
display(pos);
}
function win() {
if (pos[0]== 1 & pos[1]== 2 & pos[2]== 3 &
pos[3]== 4 &
pos[4]== 5 & pos[5]== 6 & pos[6]== 7 & pos[7]==
8 & pos[8]== 0) {
if (confirm('You did it! Do you want to restart?')) newgame();
}
}
function newgame() {
var x=1;
for (var i=0; i<9; i++) {
pos[i]=9;
}
for (var i=0; i<9;i++) {
randomnum=random();
if (randomnum==9) randomnum=8;
x=1;
for (var j=0; j<9; j++) {
if (j==i) continue;
if (randomnum==pos[j]) {
x=0;
break;
}
}
if (x==0) {
i--;
continue;
}
//alert("i="+i+", randomnum="+randomnum);
pos[i]=randomnum;
}
nummoves=0;
display(pos);
}
// -->
</script>
<center>
<table border=0 celpadding=0 cellspacing=0>
<tr><td>
<form>
<div align="center">
<input type="button" value=" 1 "
onClick="window.move(0)">
<input type="button" value=" 2 "
onClick="window.move(1)">
<input type="button" value=" 3 "
onClick="window.move(2)">
<br>
<input type="button" value=" 4 "
onClick="window.move(3)">
<input type="button" value=" 5 "
onClick="window.move(4)">
<input type="button" value=" 6 "
onClick="window.move(5)">
<br>
<input type="button" value=" 7 "
onClick="window.move(6)">
<input type="button" value=" 8 "
onClick="window.move(7)">
<input type="button" value=" 0 "
onClick="window.move(8)">
</div>
<p align="center"> 移动步数<br>
<input name="moves" size=7 value=" 0 ">
<p align="center">
<input type="submit" value="New Game"
onClick="window.newgame()">
</form>
</td></table>
<p><font color="#33FF33">移动方块使数字依次排列</font>
