扫雷

作者：佚名来源：不详发布时间：2006-10-29 0:15:14 发布人：admin

<html>

<head>

<-- hide code from old browsers

var BOMB = " * ";

var NOBOMB = "";

var MARKED = " X ";

var constModul = 0.0;

var constFactor = 0.0;

var constMove = 0.0;

var pseudoRandomNumber = 0.0;

var constXSize = 5;

var constYSize = 5;

var constBombAmnt = 5;

var squaresCleared = 0;

var firstTime=false;

var topValue=-1;

var rightValue=-1;

var bottomValue=-1;

var leftValue=-1;

var array;

var startTime;

var timerID = null;

var timerRunning = false;

//--------------------------------------------------------------------------

function stopClock (){

if(timerRunning)

clearTimeout(timerID);

timerRunning = false;

}

//--------------------------------------------------------------------------

function startClock (){

// Make sure the clock is stopped

stopClock();

startTime = new Date();

showTime();

}

//--------------------------------------------------------------------------

function diffSeconds (t1, t2){

// returns the difference between t1 (hh:mm:ss) and t2 (hh:mm:ss)// in seconds!

return (t2.getHours()*3600 + t2.getMinutes()*60 + t2.getSeconds()) - (t1.getHours()*3600 + t1.getMinutes()*60 + t1.getSeconds());

}

//--------------------------------------------------------------------------

function showTime (){

document.info.time.value = diffSeconds(startTime, new Date());

timerID = setTimeout("showTime()",1000);

timerRunning = true;

}

//--------------------------------------------------------------------------

function initRandom(){

// initialize random number generator

var now = new Date();

var hours = now.getHours();

var minutes = now.getMinutes();

var seconds = now.getSeconds();

constModul = Math.pow(2,48);

constFactor = 513.0

constMove = 29741096258473.0;

pseudoRandomNumber = (hours+minutes*60+seconds*3600);

}

//--------------------------------------------------------------------------

function random(){

// returns the next pseudo-random number [0,1]

pseudoRandomNumber = (constFactor*pseudoRandomNumber+constMove)%constModul;

return (pseudoRandomNumber / constModul);

}

//--------------------------------------------------------------------------

function getArrayAt(x, y, value){

// Access-method of object-type ObjArray

// x,y are zero-based

return this[y*this.xSize+x];

}

//--------------------------------------------------------------------------

function putArrayAt(x, y, value){

// Access-method of object-type ObjArray

// x,y are zero-based

this[y*this.xSize+x] = value;

}

//--------------------------------------------------------------------------

function ObjArray(xSize, ySize){

for (i=0; i<xSize*ySize; i++)

this[i] = "";

this.xSize = xSize;

this.ySize = ySize;

this.getArrayAt = getArrayAt;

//Access-methods

this.putArrayAt = putArrayAt;

}

//--------------------------------------------------------------------------

function putAreaAt(x, y, value)

// sets the value the displayed "text"-field array of pos (x,y)

// x,y are zero-based

{

var posInArea = (constXSize)+y*(constXSize+2)+(x+1);

document.area.elements[posInArea].value = value;

}

//--------------------------------------------------------------------------

function getAreaAt(x, y)

// sets the value the displayed "text"-field array of pos (x,y)

// x,y are zero-based

{

var posInArea = (constXSize)+y*(constXSize+2)+(x+1);

return document.area.elements[posInArea].value;

}

//--------------------------------------------------------------------------

function placeTheBombs(x, y)

// places the bombs in the array, except on position x,y

{

var i, randomXYPos;

array.putArrayAt(x, y, BOMB);

for (i=0; i<constBombAmnt; i++)   {

//find a (random) position where there is still no bomb

//calculate bombs x,y position

randomXYPos = random();

randomXYPos = Math.floor(randomXYPos*constXSize*constYSize);

while (array[randomXYPos] == BOMB)      {

//calculate bombs x,y position

randomXYPos = random();

randomXYPos = Math.floor(randomXYPos*constXSize*constYSize);

}

array[randomXYPos] = BOMB;

}

array.putArrayAt(x, y, NOBOMB);

}

//--------------------------------------------------------------------------

function calculateBombsAround()

// calculates the amount of bombs that surround each

// square and stores it into the array

{

var x, y, x1, y1, numberOfBombs;

for (x=0; x<constXSize; x++)

for (y=0; y<constYSize; y++){

if (array.getArrayAt(x, y) == BOMB) continue;

numberOfBombs=0;

for(x1=x-1; x1<x+2; x1++)

for(y1=y-1; y1<y+2; y1++)

if((x1>=0) && (y1>=0) && (x1<constXSize) && (y1<constYSize))

if (array.getArrayAt(x1, y1) == BOMB)

numberOfBombs++;

array.putArrayAt(x, y, " "+numberOfBombs+" ");

//putAreaAt(x, y, " "+numberOfBombs+" ");

}

//--------------------------------------------------------------------------

function initArea(){

var randomXYPos;

var numberOfBombs;

var i, x, y;

squaresCleared = 0;

document.info.bombsLeft.value = constBombAmnt;

// init. display

for (x=0; x<constXSize; x++)

for (y=0; y<constYSize; y++)

putAreaAt (x, y, "");

// create area in memory, too

array = new ObjArray(constXSize, constYSize);

firstTime = true;

}

//--------------------------------------------------------------------------

function markSquare(x, y){

bottomValue=-1;

leftValue=-1;

if (getAreaAt(x,y)==MARKED){

putAreaAt(x,y,"");

document.info.bombsLeft.value++;

}

else{

// if the user clicks on a square that has already been opened

if (getAreaAt(x,y)!=NOBOMB){

// warn user and abort

alert("You've already done this square!")

return;

}

putAreaAt(x,y, MARKED);

document.info.bombsLeft.value--;

}

return;

}

//--------------------------------------------------------------------------

function openSquare(x, y){

topValue=-1;

rightValue=-1;

squaresCleared++;

// if the user clicks on a square that has already been opened or

// been marked

if (getAreaAt(x,y)!=NOBOMB){

// warn user and abort

alert("You've already done this square!")

return;

}

// prevent user from beeing bombed the first time!

if (firstTime) {

placeTheBombs(x, y);

calculateBombsAround();

firstTime = false;

}

putAreaAt(x,y, squareContents = array.getArrayAt(x,y));

if (squareContents==BOMB){

alert("GAME-OVER, you lost!");

showAll();

}

else{

if (squaresCleared==constXSize*constYSize-constBombAmnt)

{

alert("Congratulations, you made it in "+ document.info.time.value+" seconds!");

showAll();

}}

}

//--------------------------------------------------------------------------

function onButtonClicked(button){

var pos = parseInt (button.value);

if (button.name=="top")

topValue=pos;

if (button.name=="bottom")

bottomValue=pos;

if (button.name=="left")

leftValue=pos;

if (button.name=="right")

rightValue=pos;

if ((bottomValue>=0) && (leftValue>=0))

markSquare (bottomValue, leftValue)

if ((topValue>=0) && (rightValue>=0))

openSquare(topValue, rightValue)

}

//--------------------------------------------------------------------------

function showAll()

// displays the area like it is represented in the array

{

var x,y;

stopClock();

// init. display

for (x=0; x<constXSize; x++)

for (y=0; y<constYSize; y++)

putAreaAt (x, y, array.getArrayAt(x,y));

}

//--------------------------------------------------------------------------

function startNewGame(){

initRandom();

initArea();

startClock();

}

// end hiding from old browsers -->

</Script>

</head>

<HR>

</form>

特别说明：如网页特效代码中有引用图片文件等，请自己下载到本地调试！

[] [返回] [打印] [收藏] [评论]

上一篇代码：随机猜数字

下一篇代码：撞壁的弹球（飞飞鱼）

扫雷

精品推荐

代码分类

阅读排行

相关代码