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var Cols = 10, Rows = 20, Sqlen = 16;
var Color = new Array(8);
var delLine = new Array();
var CLoc = new Array();
var RLoc = new Array();
var CurSq,NextSq;
var type=-1,oldtype;
var delay = new Array(600,500,400,300,200,100,90,80,70);
var TimerID;
var pos = 0,end,level=0,score=0,lines=0;
var isOver=false,isPause=false;
Color[0] = "#d0d0d0";
Color[1] = "red";
Color[2] = "green"
Color[3] = "cyan";
Color[4] = "yellow";
Color[5] = "orange";
Color[6] = "pink";
Color[7] = "blue";
function GameArea(row,col,name){
var s = "<TABLE BORDER=1 cellspacing=0 cellpadding=1 bgcolor=" + Color[0] + ">";
for(var i=0; i<row; i++){
s = s + "<TR Height=" + Sqlen + ">";
for(var j=0; j<col; j++){
var id = name + i + "#" + j;
s = s + "<TD Width=" + Sqlen + " class=btnup id=" + id;
s = s + " style=\"background:" + Color[0] + "\"> </TD>"
}
s = s + "</TR>";
}
s = s + "</TABLE>";
return s;
}
function Init(){
GameBody.innerHTML = GameArea(Rows,Cols,'Main');
GameForecast.innerHTML = GameArea(4,4,'Forecast');
}
function Square(cols,rows,color){
this.rows = rows;
this.cols = cols;
this.color = color;
}
function chooseSquare(type,x,y){
var sq = new Array(4);
switch(type){
case 0:
sq[0] = new Square(x-1,y,1);
sq[1] = new Square(x,y,1);
sq[2] = new Square(x+1,y,1);
sq[3] = new Square(x+2,y,1);
break;
case 1:
sq[0] = new Square(x,y,5);
sq[1] = new Square(x,y+1,5);
sq[2] = new Square(x+1,y+1,5);
sq[3] = new Square(x,y+2,5);
break;
case 2:
sq[0] = new Square(x,y,2);
sq[1] = new Square(x,y+1,2);
sq[2] = new Square(x+1,y+1,2);
sq[3] = new Square(x+1,y+2,2);
break;
case 3:
sq[0] = new Square(x+1,y,7);
sq[1] = new Square(x+1,y+1,7);
sq[2] = new Square(x,y+1,7);
sq[3] = new Square(x,y+2,7);
break;
case 4:
sq[0] = new Square(x,y,3);
sq[1] = new Square(x+1,y,3);
sq[2] = new Square(x,y+1,3);
sq[3] = new Square(x+1,y+1,3);
break;
case 5:
sq[0] = new Square(x,y,6);
sq[1] = new Square(x+1,y,6);
sq[2] = new Square(x+1,y+1,6);
sq[3] = new Square(x+1,y+2,6);
break;
case 6:
sq[0] = new Square(x+1,y,4);
sq[1] = new Square(x,y,4);
sq[2] = new Square(x,y+1,4);
sq[3] = new Square(x,y+2,4);
break;
}
return sq;
}
function reDraw(name,sq){
var obj;
for(var i=0; i<sq.length; i++){
obj = document.all(name + sq[i].rows + "#" + sq[i].cols);
obj.style.background = Color[sq[i].color];
}
}
function clearDraw(name,sq){
var obj;
for(var i=0; i<sq.length; i++){
obj = document.all(name + sq[i].rows + "#" + sq[i].cols);
obj.style.background = Color[0];
}
}
function isBounds(sq){
for(var i=0; i<sq.length; i++){
if(sq[i].cols<0 || sq[i].cols>9 || sq[i].rows<0 || sq[i].rows>19)
return false;
}
return true;
}
function SortSquare(sq,name,isMax){
if(isMax){
var Max = 0;
if(name=="Rows"){
for(var i=0; i<sq.length; i++){
if(sq[i].rows>Max) Max = sq[i].rows;
}
}
else{
for(var i=0; i<sq.length; i++){
if(sq[i].cols>Max) Max = sq[i].cols;
}
}
return Max;
}
else{
var Min = 20;
if(name=="Rows"){
for(var i=0; i<sq.length; i++){
if(sq[i].rows<Min) Min = sq[i].rows;
}
}
else{
for(var i=0; i<sq.length; i++){
if(sq[i].cols<Min) Min = sq[i].cols;
}
}
return Min;
}
}
function StartGame(){
start.disabled = true;
pause.focus();
type = parseInt(Math.random()*7);
oldtype = type;
type = parseInt(Math.random()*7);
var m = 4/2 -1;
NewSq = chooseSquare(type,m,0);
reDraw('Forecast',NewSq);
Start();
}
function Start(){
if(isOver){
var s = "本次游戏结束！ ";
OverGame(s);
}
gScore.innerText = score;
gLine.innerText = lines;
gLevel.innerText = level;
oldtype = type;
clearDraw('Forecast',NewSq);
type = parseInt(Math.random()*7);
var m = 4/2 -1;
NewSq = chooseSquare(type,m,0);
reDraw('Forecast',NewSq);
var mm = Cols/2 -1;
CurSq = chooseSquare(oldtype,mm,0);
reDraw('Main',CurSq);
window.clearInterval(TimerID);
TimerID = window.setInterval("Run()",delay[level]);
}
function Run(){
if(isPause) return;
if(MoveCurSq(0,1,false) == false){
window.clearInterval(TimerID);
if(RemoveLines()==true) {
DelLines();
lines = lines + delLine.length;
switch(delLine.length){
case 1:
score = score + 100;
break;
case 2:
score = score + 300;
break;
case 3:
score = score + 700;
break;
case 4:
score = score + 1000;
break;
}
level = parseInt(score/10000);
}
Start();
}
}
function RemoveLines(){
var obj,m=0;
var isRemove = true;
var searchPos = true;
var del = new Array();
for(var i=19; i>=0; i--){
for(var j=0; j<10; j++){
obj = document.all("Main" + i + "#" + j);
if(obj.style.background == Color[0]){
isRemove = false;
}
else{
searchPos = false;
}
}
if(searchPos) {
end = i;
if(del.length>0){delLine=del;return true;}
else{return false;}
}
if(isRemove) {del[m] = i; m++;}
searchPos = true;
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