//UI篇 可以實現(xiàn)人人大戰(zhàn)

var chessBoard = [];

var me = true;

//贏法數(shù)組

var wins = [];

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; i <15; j++) {

wins[i][j] = [];

}

}

//橫線的贏法

var count = 0;

for(var i = 0; i <15; i++) {

for(var j = 0; j < 11; j++) {

//wins[0][0][0] = true

//wins[0][1][0] = true

//wins[0][2][0] = true

//wins[0][3][0] = true

//wins[0][4][0] = true

//wins[0][1][1] = true

//wins[0][2][1] = true

//wins[0][3][1] = true

//wins[0][4][1] = true

//wins[0][5][1] = true

for(var k = 0; k < 5; k++) {

wins[i][j+k][count] = true;

}

count++;

}

}

?

//所有豎線

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++;

}

}

//所有斜線

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++;

}

}

//所有反斜線

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);

var chess = document.getElementById('chess');

var context = chess.getContext('2d');

context.strokeStyle = "#BFBFBF";

var logo = new Image();

logo.src = "images/logo.jpg";

logo.onload = function(){

context.drawImage(logo,0,0,450,450);

drawChessBoard();

}

var drawChessBoard = function(){

for(var i=0;i<15;i++){

//棋盤的橫線

context.moveTo(15+i*30,15);

context.lineTo(15+i*30,435);

context.stroke();

//棋盤的縱線

context.moveTo(15,15+i*30);

context.lineTo(435,15+i*30);

context.stroke();

}

}

var oneStep = function(i,j,me){

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+2,15+j*30-2,0);

if(me){

gradient.addColorStop(0,"#0A0A0A");

gradient.addColorStop(1,"#636766");

}else{

gradient.addColorStop(0,"#D1D1D1");

gradient.addColorStop(1,"#F9F9F9");

}

context.fillStyle = gradient;

context.fill();

}

chess.onclick = function(e){

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);

if(me){

? ?chessBoard[i][j] = 1;

}else{

chessBoard[i][j] = 2;

}

me = !me;

}

}