Posted in Javascript onMay 28, 2020
本文实例为大家分享了js实现五子棋游戏的具体代码，供大家参考，具体内容如下
html
<!DOCTYPE html> <html> <head> <meta charset="utf-8" /> <title>五子棋</title> <link rel="stylesheet" href="css/style.css" /> </head> <body> <canvas id="chess" width="450px" height="450px"></canvas> <script type="text/javascript" src="js/script.js" ></script> </body> </html>
css
canvas{
display: block;
margin: 50px auto;
box-shadow: -2px -2px 2px #EFEFEF,5px 5px 5px #B9B9B9;
}
js
var me = true;
var over = false;
var chessBox = [];
var wins = []; //定义三维数组
//赢法统计数组
var myWin = [];
var computerWin = [];
for(i=0;i<15;i++){
chessBox[i]=[];
for(j=0;j<15;j++){
chessBox[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;
//所有横线
for(var i=0;i<15;i++){
for(var j=0;j<11;j++){
//执行1次
// 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;
//执行2次
// 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++;
}
}
//所有竖线
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++;
}
}
//所有斜线
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++;
}
}
//所有反斜线
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[i] = 0;
}
var chess = document.getElementById('chess');
var context = chess.getContext('2d');
context.strokeStyle = "#BFBFBF";
var logo= new Image();
logo.src = "img/木头.jpg";
logo.onload = function(){
context.drawImage(logo,0,0,450,450);
drawChessBoard();
// oneStep(0,0,true);
// oneStep(1,1,false);
}
function drawChessBoard(){
for(var i=0;i<15;i++){
context.moveTo(15+i*30,15);
context.lineTo(15+i*30,435);
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*30,15+j*30,13,15+i*30,15+j*30,0);
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){
if(over){
return;
}
if(!me){
return;
}
var x = e.offsetX;
var y = e.offsetY;
var i = Math.floor(x/30); //i,j为索引序列号
var j = Math.floor(y/30);
if(chessBox[i][j]==0){
oneStep(i,j,me);
chessBox[i][j]=1;
for(var k=0;k < count; k++){
if(wins[i][j][k]) {
myWin[k]++;
computerWin[k] = 6; //设置异常值
if(myWin[k] == 5) {
window.alert("你赢了");
over = true;
}
}
}
if(!over){
me=!me;
computerAI();
}
}
}
var computerAI = function(){
var myScore = [];
var computerScore = [];
var max = 0; //保存最高分数；
var u = 0, v =0; //保存坐标
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(chessBox[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]+= 10000;
}
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]+= 2020;
}else if(computerWin[k]==4){
computerScore[i][j]+= 10020;
}
}
}
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);
chessBox[u][v] = 2;
for(var k=0;k < count; k++){
if(wins[u][v][k]) {
computerWin[k]++;
myWin[k] = 6; //设置异常值
if(computerWin[k] == 5) {
window.alert("计算机赢了");
over = true;
}
}
}
if(!over){
me=!me;
}
}
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js实现简单五子棋游戏
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