javascript 扫雷游戏示例

＜HTML＞
＜HEAD＞
＜TITLE＞Javascript 地雷＜/TITLE＞

＜style＞
input.no {
 background-color:eeeeee;
 border:none;
 width:20;
 height:20;
 color:blue;
}
input.ye {
 background-color:eeeeee;
 border:none;
 width:20;
 height:20;
 color:red;
}
input {
 width:20;
 height:20;
 color:red;
}
input.mode0 {
 width:50;
 height:30;
 border-style:inset
}
input.mode1 {
 width:50;
 height:30;
 COLOR:GREEN;
}
＜/style＞
＜/HEAD＞
＜BODY BGCOLOR="#000000"＞
＜div ID=dilei style="position:absolute;left:0;top:5"＞
＜TABLE BORDER=0 CELLSPACING=0 CELLPADDING=0＞
  ＜SCRIPT LANGUAGE="JavaScript"＞
＜!--
var x,y=0;
while(document.write("＜tr＞"),y++＜20)
for(x=0;x++＜20;document.write("＜td ＞＜font size=-5＞
＜input ID="+x+"_"+y+" type=button＞"))
;

//--＞
＜/SCRIPT＞
＜/TABLE＞
＜/div＞
＜div ID=ToolBar style="position:absolute;top:5;left:401;
/*height:300;*/background-color:green;width:200"＞
＜input id=Mode type=button value="挖雷" class=mode1
  onclick="javascript: modeTab();"＞
＜nobr＞
＜span id=modenow style="color:blue"＞现在可以揭开方块＜/span＞
＜/div＞
＜/BODY＞
＜SCRIPT LANGUAGE="JavaScript"＞
＜!--//34
var Row,Col,i=0;
var RowSize=20,ColSize=20;
var mineNum=45;  //地雷数
var mode=1;

var mineX=new Array(mineNum), mineY=new Array(mineNum);
var Mine= new Array(RowSize),Decouv= new Array(RowSize);
for(i=0;i＜20;i++){
  Mine[i]=new Array(ColSize);
  Decouv[i]= new Array(ColSize);
}

//初始化
 
for (Row=1;Row＜=RowSize;Row++) { 
for (Col=1;Col＜=ColSize;Col++) { 
Mine[Row-1][Col-1]=0; 
Decouv[Row-1][Col-1]=0; 
} 
}; 
//布地雷 Math.random( )
i=0;
while (i＜mineNum){
mineX[i]=Math.round(Math.random()*1000)%RowSize;
mineY[i]=Math.round(Math.random()*1000)%ColSize;
if(Mine[mineX[i]][mineY[i]]==9) continue;
Mine[mineX[i]][mineY[i]]=9;
Decouv[mineX[i]][mineY[i]]=9;
i++;
}
for(i=0;i＜mineNum;i++){
for(j=1;j＜=8;j++){
switch(j){
case 1:
divIndexX=mineX[i]-1;divIndexY=mineY[i]-1;
break;
case 2:
divIndexX=mineX[i]-1;divIndexY=mineY[i];
break;
case 3:
divIndexX=mineX[i]-1;divIndexY=mineY[i]+1;
break;
case 4:
divIndexX=mineX[i];divIndexY=mineY[i]-1;
break;
case 5:
divIndexX=mineX[i];divIndexY=mineY[i]+1;
break;
case 6:
divIndexX=mineX[i]+1;divIndexY=mineY[i]-1;
break;
case 7:
divIndexX=mineX[i]+1;divIndexY=mineY[i];
break;
case 8:
divIndexX=mineX[i]+1;divIndexY=mineY[i]+1;
}
if(divIndexX＜0||divIndexY＜0||divIndexX＞=RowSize||divIndexY＞=ColSize) continue;
Decouv[divIndexX][divIndexY]+=1;
Mine[divIndexX][divIndexY]=Decouv[divIndexX][divIndexY];
 }
}
//模式切换

function modeTab(){
if(mode==1){
mode=0;
document.all("Mode").className="mode0";
document.all("Mode").value="探测";
document.all("modenow").innerText="现在可以标记雷区"+mode;
}else{
mode=1;
document.all("Mode").className="mode1";
document.all("Mode").value="挖雷";
document.all("modenow").innerText="现在可以揭开方块"+mode;
}
}

function TRY(){
var SRCElem=event.srcElement;
if(SRCElem.tagName!="INPUT"||SRCElem.className=="mode0"||
SRCElem.className=="mode1") return;
if(SRCElem.className=="no"||SRCElem.className=="ye")return;
tryDown(SRCElem);
}
function tryDown(Elem){
var  indexX,indexY;
var ss=Elem.id.split("_");
indexX=ss[0].valueOf()-1;
indexY=ss[1].valueOf()-1;

if(mode==0){
if(Elem.value==""){
Elem.value="!";
Mine[indexX][indexY]=Decouv[indexX][indexY];
Decouv[indexX][indexY]=18;
return;}
else{
Elem.value="";
Decouv[indexX][indexY]=Mine[indexX][indexY];
return;
}
}
if(Decouv[indexX][indexY]＞8){
if(Decouv[indexX][indexY]＞=18)
return;
Elem.value="*";
Elem.className="ye";
Decouv[indexX][indexY]=9
return;
}
Elem.className="no";
Elem.value=""+Mine[indexX][indexY];
if(Decouv[indexX][indexY]＞0){
Decouv[indexX][indexY]=9
return;
 }
if(Decouv[indexX][indexY]==0)
{
Elem.value="";
tryGo(indexX,indexY);
}
return;
}
function TRY2(Elm){
Elm.value="!";
}
function judge4(x,y){
if(Decouv[x][y]!=-1&&Decouv[x][y]!=0){
return 0;}
var i=0,j=0,divIndexX,divIndexY;
for(i=1;i＜=4;i++){
switch(i){//
case 1://up
divIndexX=x;divIndexY=y-1;j=1;
break;
case 2://left
divIndexX=x-1;divIndexY=y;j=2;
break;
case 3://down
divIndexX=x;divIndexY=y+1;j=3;
break;
case 4://right
divIndexX=x+1;divIndexY=y;j=4;
  }
if(divIndexX＞=0&&divIndexY＞=0&&divIndexX＜RowSize&&divIndexY
＜ColSize&&Decouv[divIndexX][divIndexY]＞=0&&Decouv[divIndexX][divIndexY]＜=8){
return j;
  } 
 }
 return 0;
}
function tryGo(x,y){
var stackX=new Array(),stackY=new Array();
var i=0;
var test=50;
var divIndexX=x,divIndexY=y;
stackX[i]=divIndexX;stackY[i]=divIndexY;
while(test){
 var Elem;
 eval("Elem=document.all(\""+(divIndexX+1)+"_"+(divIndexY+1)+"\")");
 Elem.className="no";
 if(Decouv[divIndexX][divIndexY]＜=0)
  Decouv[divIndexX][divIndexY]= -1;
 else{
  Elem.value=""+Mine[divIndexX][divIndexY];
  Decouv[divIndexX][divIndexY]= 9;
  }

 switch(judge4(divIndexX,divIndexY)){
 case 1://up
 divIndexY--;
 break;
 case 2://left
 divIndexX--;
 break;
 case 3://down
 divIndexY++;
 break;
 case 4://right
 divIndexX++;
 break;
 case 0:
 i=i-1;
 if(i＜0){
  return;
 }
 divIndexX=stackX[i];divIndexY=stackY[i];
 continue;
  }
 i=i+1;stackX[i]=divIndexX;stackY[i]=divIndexY;
 }
}
document.onclick =TRY;
//--＞
＜/SCRIPT＞
＜/HTML＞

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