var?chessBoard?=?[];
var?me?=?true;
var?over?=?false;

//贏法數(shù)組
var?wins?=?[];

//贏法的統(tǒng)計(jì)數(shù)組
var?myWin?=?[];
var?coumpterWin?=?[];
for?(var?i=0;i<15;i++){
	chessBoard[i]?=?[];
	for(var?j=0;j<15;j++){
	??chessBoard[i][j]=0;
	}
}

for(var?i=0;i<15;i++){
??wins[i]?=?[];
??for(var?j=0;j<15;j++){
????wins[i][j]=[];
??}
}

var?count?=?0;
for(var?i=0;i<15;i++){
??for(var?j=0;j<11;j++){
????for(var?k=0;k<5;k++){
??????wins[i][j+k][count]?=?true;
????}
????count++;
??}
}

for(var?i=0;i<15;i++){
??for(var?j=0;j<11;j++){
????for(var?k=0;k<5;k++){
??????wins[j+k][i][count]?=?true;
????}
????count++;
??}
}

for(var?i=0;i<11;i++){
??for(var?j=0;j<11;j++){
????for(var?k=0;k<5;k++){
??????wins[i+k][j+k][count]?=?true;
????}
????count++;
??}
}

for(var?i=0;i<11;i++){
??for(var?j=14;j>3;j--){
????for(var?k=0;k<5;k++){
??????wins[i+k][j-k][count]?=?true;
????}
????count++;
??}
}
console.log(count);

for?(var?i=0;i<count;i++)?{
	myWin[i]?=?0;
	computerWin?=?0;
}

var?chess=document.getElementById('chess');
var?context?=?chess.getContext('2d');
?
context.strokeStyle?=?"#bfbfbf"

//繪制水印
var?logo?=?new?Image();
logo.src=?"img/wuziqi/2.png";
logo.onload?=?function(){
??context.drawImage(logo,0,0,450,450);
??drawChessBoard();
//oneStep(0,1,true);
//oneStep(1,1,false);
}


//繪制棋盤(pán)
var?drawChessBoard?=?function(){
??for?(var?i=0;i<15;i++)?{
??	context.moveTo(15+i*30,15);
????context.lineTo(15+i*30,435);
????context.stroke();?
????context.moveTo(15,15+i*30);
????context.lineTo(435,15+i*30);
????context.stroke();
??}
}

//繪制棋子
var?oneStep?=?function(i,j,me){
??//繪制圓
??context.beginPath();
??context.arc(15+i*30,15+j*30,13,0,2*Math.PI);
??context.closePath();
??var?gradient=context.createRadialGradient(15+i*30+2,15+j*30-2,13,15+i*30,15,0)//漸變填充
??if(me){
????gradient.addColorStop(0,"#0a0a0a");
????gradient.addColorStop(1,"#636766")
??}else{
????gradient.addColorStop(0,"#D1D1D1");
????gradient.addColorStop(1,"#F9F9F9")
??}
??context.fillStyle?=?gradient;
??context.fill();
??//context.stroke()描邊，fill填充
}
chess.onclick?=?function(e){
??if(over){
????return;
??}
??if(!me){
????return;
??}
??var?x?=?e.offsetX;
??var?y?=?e.offsetY;
??var?i?=?Math.floor(x/30);
??var?j?=?Math.floor(y/30);
??if(chessBoard[i][j]==0){
????oneStep(i,j,me);????
????chessBoard[i][j]=1;
????
????for?(var?k=0;k<count;k++)?{
????	if(wins[i][j][k]){
????	??myWin[k]++;
????	??computerWin[k]=6;
????	??if(myWin[k]==5){
????	????window.alert("你贏了");
????	????over=true;
????	??}
????	}
????}
????if?(!over)?{
??????me?=?!me;
??????computerAI();????	
????}
??}
}

var?computerAI?=?function(){
??var?myScore?=?[];
??var?computerScore=?[];
??var?max?=?0;
??var?u?=?0,?v?=?0;
??for?(var?i=0;i<15;i++)?{
??	myScore[i]?=?[];
????computerScore[i]?=?[];
????for(var?j=0;j<15;j++){
??????myScore[i][j]?=?0;
??????computerScore[i][j]?=?0;
????}
??}
??for(var?i=0;i<15;i++){
????for?(var?j=0;j<15;j++)?{
????	if(chessBoard[i][j]==0){
????	??for(var?k=0;k<count;k++){
??????????if(wins[i][j][k]){
????????????if(myWin[k]==1){
??????????????myScore[i][j]+=200;
????????????}else?if(myWin[k]==2){
??????????????myScore[i][j]+=400;
????????????}else?if(myWin[k]==3){
??????????????myScore[i][j]+=2000;
????????????}else?if(myWin[k]==4){
??????????????myScore[i][j]+=1000;
????????????}
????????????if(computerWin[k]==1){
??????????????computerScore[i][j]+=220;
????????????}else?if(computerWin[k]==2){
??????????????computerScore[i][j]+=420;
????????????}else?if(computerWin[k]==3){
??????????????computerScore[i][j]+=2100;
????????????}else?if(computerWin[k]==4){
??????????????computerScore[i][j]+=2000;
????????????}
??????????}
????????}
????	??if(myScore[i][j]>max){
????	????max?=?myScore[i][j];
????	????u?=?i;
????	????v?=?j;
????	??}else?if(myScore[i][j]==max){
????	????if?(computerScore[i][j]>computerScore[u][v])?{
????	????	u?=?i;
????????????v?=?j;
????	????}
????????}
????	??if(computerScore[i][j]>max){
??????????max?=?computerScore[i][j];
??????????u?=?i;
??????????v?=?j;
????????}else?if(computerScore[i][j]==max){
??????????if?(myScore[i][j]>myScore[u][v])?{
????????????u?=?i;
????????????v?=?j;
??????????}
????????}
????	}
????}
??}
??oneStep(u,v,false);
??chessBoard[u][v]?=?2;
??for?(var?k=0;k<count;k++)?{
??????if(wins[u][v][k]){
????????computerWin[k]++;
????????myWin[k]=6;
????????if(computerWin[k]==5){
??????????window.alert("計(jì)算機(jī)贏了");
??????????over=true;
????????}
??????}
????}
??for?(var?k=0;k<count;k++)?{
??????if(wins[i][j][k]){
????????myWin[k]++;
????????computerWin[k]=6;
????????if(myWin[k]==5){
??????????window.alert("你贏了");
??????????over=true;
????????}
??????}
????}
???if?(!over)?{
????me=!me;??????????
??}
}