JavaScript 寫遊戲 : 俄羅斯方塊

来源：互联网发布：转经轮手摇淘宝编辑：程序博客网时间：2024/05/30 05:13

應該看得懂吧？

沒時間寫注釋。。。:(

這個差不多美的啦！只要向Block裏面添加或修改就能改變方塊的形狀。:)

<!--
http://dwin.net
http://dewin.tk

Start 2002-09-20 14:45
Finish 2002-10-31 23:50
Last Edit 2003-08-14 01:25
-->
<body>
<script>

var Rows = 17;
var Cells = 10;
var ObjW = ObjH = 20;

var Scores= 0;
var Marks = [100,400,900,1600];

var BaseBW = 5;
var BaseBGColor = 'white';

var BlockBW = 2;
var BlockBS = 'inset';
var BlockBC = 'orange';

var GlowColor = '#ffff00';
var GlowStrength = 5;

var oSpeed = 151;

//方塊數據

Block = [];
Block[0]=[
' ',
' 1',
'111']
Block[0].change = 4;
Block[0].color = 'red';

Block[1]=[
' ',
'1 ',
'111']
Block[1].change = 4;
Block[1].color = 'green';

Block[2]=[
' ',
' 1 ',
'111']
Block[2].change = 4;
Block[2].color = 'orange';

Block[3]=[
' 11',
'11 ']
Block[3].change = 2;
Block[3].color = 'fuchsia';

Block[4]=[
'11 ',
' 11']
Block[4].change = 2;
Block[4].color = 'yellow';

Block[5]=[
'1111']
Block[5].change = 2;
Block[5].color = 'lime';

Block[6]=[
'11',
'11']
Block[6].change = 1;
Block[6].color = 'blue';

Block[7]=[
'1']
Block[7].change = 1;
Block[7].color = 'gold';

Block[8]=[
' ',
'1 1',
'111']
Block[8].change = 4;
Block[8].color = 'pink';

Block[9]=[
'111',
' 1 ',
' 1 ']
Block[9].change = 4;
Block[9].color = 'black';

//方塊准備下落
function ReadyForDown(obj1,obj2){
obj1.k = parseInt(Math.random()*Block.length);
if(!NewBlock[obj1.k].length){
switch(Block[obj1.k].change){
case 1:Change0(obj1.k);break;
case 2:Change0(obj1.k);Change1(obj1.k);break;
case 4:Change0(obj1.k);Change1(obj1.k);Change2(obj1.k);break;
}
}
obj1.Change = parseInt(Math.random()*Block[obj1.k].change);
obj2.innerHTML = NewBlock[obj1.k][obj1.Change].iHtml;
obj1.GapX = parseInt(NewBlock[obj1.k][obj1.Change][0].length/2);
CheckObjGapY(obj1,NewBlock[obj1.k][obj1.Change].length);
obj1.X = parseInt(Cells/2);
obj1.Y = 0;
}

function CheckObjGapY(obj,k){
if(!NewBlock[obj.k][obj.Change][k-1].join('').match(/d+/)){
obj.GapY = 1-k;
CheckObjGapY(obj,k-1);
}
else obj.GapY = -k;
}

//改變方塊形狀
function ChangeBlock(){
if(Block[Obj1.k].change > 1){
Obj1.TestChange = (Obj1.Change+1 >= Block[Obj1.k].change)?0:Obj1.Change+1;
Obj1.TestGapX = parseInt(NewBlock[Obj1.k][Obj1.TestChange][0].length/2);
Obj1.TestGapY = -NewBlock[Obj1.k][Obj1.TestChange].length;
Obj1.TestL = Obj1.X-Obj1.TestGapX;
Obj1.TestT = Obj1.Y+Obj1.TestGapY;
var k1 = k2 = Areas;
for(var i=Obj1.TestL;i>=0 && i>Obj1.TestL-NewBlock[Obj1.k][Obj1.TestChange].lg;i--){if((k1=CheckChangeBlock(i))!=Areas)break}
for(var i=Obj1.TestL+1;i<Cells && i<Obj1.TestL+NewBlock[Obj1.k][Obj1.TestChange].lg;i++){if((k2=CheckChangeBlock(i))!=Areas)break}
if(k1 == k2) return;
Obj1.L = (Math.abs(Obj1.TestL-k1)>Math.abs(Obj1.TestL-k2))?k2:k1;
Obj1.T = Obj1.TestT;
Obj1.GapX = Obj1.TestGapX;
Obj1.GapY = Obj1.TestGapY;
Obj1.X = Obj1.L+Obj1.GapX;
Obj1.Y = Obj1.T-Obj1.GapY;
Obj1.Change = Obj1.TestChange;
SkinDiv.style.left = Obj1.L*ObjW;
SkinDiv.style.top = Obj1.T*ObjH;
SkinDiv.innerHTML = NewBlock[Obj1.k][Obj1.Change].iHtml;
}
}

檢測改變後，方塊相對於左邊的值。

//方向控制

//開始創造地圖啦。
function CreateBlockInMap(){
for(var y=0;y<NewBlock[Obj1.k][Obj1.Change].length;y++){
for(var x=0;x<NewBlock[Obj1.k][Obj1.Change][0].length;x++){
try{
if(NewBlock[Obj1.k][Obj1.Change][y][x]==1){
   Map[Obj1.T+y][Obj1.L+x] = NewBlock[Obj1.k][Obj1.Change][y][x];
   BaseDiv.childNodes[Areas-(Obj1.T+y)*Cells+Obj1.L+x].style.background = Block[Obj1.k].color;
   BaseDiv.childNodes[Areas-(Obj1.T+y)*Cells+Obj1.L+x].style.visibility = 'visible';
   }
}
catch(e){return GameOver()}
}
}
CheckBlockAppear();
ReadyForDown(Obj2,ReadyBlockDiv);
}

function GameOver(){
if(confirm('Game Over , ReStart ?')) window.location.reload();
else window.close();
}

//初始化方塊的變形數組

function BlockHtml(x,y,k){
return "<span style='position:absolute;left:"+x*ObjW+";top:"+y*ObjH+";width:"+ObjW+";height:"+ObjH+";background:"+Block[k].color+";border:"+BlockBW+" "+BlockBS+" "+BlockBC+";overflow:hidden;'></span>"
}

function document.onkeydown(){
switch(event.keyCode){
case 34:clearInterval(GoTime);oSpeed+=10;if(GoTime>0){Dir(0,1);GoTime=setInterval('Dir(0,1)',oSpeed)};break;//page up
case 33:if(oSpeed-10>0){clearInterval(GoTime);oSpeed-=5};if(GoTime>0){Dir(0,1);GoTime=setInterval('Dir(0,1)',oSpeed);};break;//page down
case 38:if(GoTime>0)GoTime2=setInterval("Dir(0,1)",1);break;//up
case 37:CheckKeyDown(-1,0,150,20);break;//left
case 39:CheckKeyDown(1,0,150,20);break;//right
case 40:CheckKeyDown(0,1,150,20);break;//down
case 96:if(GoTime>0)ChangeBlock();break;//0
case 83:CheckStart();break;
}
}

function document.onkeyup(){
DoKeyDown=false
}

function CheckKeyDown(x,y,t1,t2){
if(GoTime>0 && !DoKeyDown){
Dir(x,y)
DoKeyDown=true
setTimeout("if(DoKeyDown)KeyDownAgain("+x+","+y+","+t2+");",t1)
}
}

function KeyDownAgain(x,y,t2){
if(GoTime>0 && DoKeyDown){
Dir(x,y)
setTimeout("KeyDownAgain("+x+","+y+","+t2+")",t2)
}
}

var Map = [];
var NewBlock = [];
var Areas = 0;
var GoTime = -1, GoTime2;
var FullString = '';
var Obj1 = new Object();
var Obj2 = new Object();
var DoKeyDown=false

window.focus();
var iHtml = '';
var BaseWidth = Cells*ObjW;
var BaseHeight = Rows*ObjH;
var MainMapWidth = 2*BaseBW+Cells*ObjW;
var MainMapHeight = 2*BaseBW+Rows*ObjH;
document.body.innerHTML += "<font color=red>press "s" button to Star or Stop<br>press "0" button to Change Quadrel into Another Shape<br>press "Page Up" to Speed up<br>press "Page Down" to Speed down</font><span style='position:absolute;left:"+(document.body.clientWidth-MainMapWidth)/2+";top:"+(document.body.clientHeight-MainMapHeight)/2+";width:"+MainMapWidth+";height:"+MainMapHeight+";overflow:visible;border:"+BaseBW+" inset #0000CC;'><span style='position:absolute;left:0;top:0;width:"+BaseWidth+";height:"+BaseHeight+";filter:glow(color="+GlowColor+",strength="+GlowStrength+");'><span id='BaseDiv' style='position:absolute;left:0;top:0;width:"+BaseWidth+";height:"+BaseHeight+";filter:flipv;'></span></span><span id=SkinDiv style='position:absolute;'></span><span id='ReadyBlockDiv' style='position:absolute;left:"+MainMapWidth+";top:0;'></span><span id=ScoreDiv style='position:absolute;left:"+(MainMapWidth+50)+";top:"+(MainMapHeight-20)+";'>"+Scores+"</span></span>";
for(var i=0,k=Cells*Rows;i<k;i++){iHtml += "<span style='width:"+ObjW+";height:"+ObjH+";border:"+BlockBW+" "+BlockBS+" "+BlockBC+";overflow:hidden;visibility:hidden;'></span>"}
for(var i=0;i<Block.length;i++) NewBlock[i]=[]
FullString = new Array(Cells+1).join("1")
for(var y=0;y<Rows;y++){
Map[y] = [];
for(var x=0;x<Cells;x++) Map[y][x]=' ';
}
Areas = Cells*(Rows-1);
BaseDiv.innerHTML = iHtml;
ReadyForDown(Obj2,ReadyBlockDiv);

</script>