本文实例为大家分享了Java Websocket Canvas实现井字棋网络游戏的具体代码，供大家参考，具体内容如下
TicTacToeGame.java
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import javax.websocket.OnClose; import javax.websocket.OnMessage; import javax.websocket.OnOpen; import javax.websocket.Session; import javax.websocket.server.ServerEndpoint; import java.io.IOException; import java.util.Set; import java.util.concurrent.CopyOnWriteArraySet;
@ServerEndpoint ( "/tictactoe" ) public class TicTacToeGame { private static final Set<TicTacToeGame> games = new CopyOnWriteArraySet<>(); private Session session; private String player; private static String b1 = "" ; private static String b2 = "" ; private static String b3 = "" ; private static String b4 = "" ; private static String b5 = "" ; private static String b6 = "" ; private static String b7 = "" ; private static String b8 = "" ; private static String b9 = "" ;
@OnOpen public void onOpen(Session session) throws IOException { System.out.println( "Connection from" + session.getId()); this .session = session;
System.out.println(games.size()); if (games.size() == 0 ) { this .player = "X" ; } if (games.size() == 1 ) { this .player = "O" ; } if (games.size() > 1 ) { System.out.println( "房间人满" ); session.getBasicRemote().sendText( "roomfull" ); // session.close(); } else { games.add( this ); session.getBasicRemote().sendText( "player-" + player); if (games.size() == 1 ) { sendText( "wait" ); } if (games.size() == 2 ) { sendText( "start" ); } sendText( "turn-" + "X" ); } }
@OnMessage public void onMessage(String message) { System.out.println(player); System.out.println(message); System.out.println(message.indexOf( "place" )); if (message.indexOf( "place" ) != - 1 ) { String[] words = message.split( "-" ); System.out.println( "words[1]=" + words[ 1 ]); System.out.println( "words[2]=" + words[ 2 ]); System.out.println( "games.size()=" + games.size());
if (games.size() > 1 ) { if ( "" .equals(getPlayer(words[ 1 ]))) { place3(words[ 1 ], words[ 2 ]); sendText(message); check(); if ( "X" .equals(words[ 2 ])) { sendText( "turn-" + "O" ); } else { sendText( "turn-" + "X" ); } } } System.out.println( "b1=" + b1); System.out.println( "b2=" + b2); System.out.println( "b3=" + b3); System.out.println( "b4=" + b4); System.out.println( "b5=" + b5); System.out.println( "b6=" + b6); System.out.println( "b7=" + b7); System.out.println( "b8=" + b8); System.out.println( "b9=" + b9);
} else if ( "reset" .equals(message)) { if (player.equals( "X" ) || player.equals( "O" )) { b1 = "" ; b2 = "" ; b3 = "" ; b4 = "" ; b5 = "" ; b6 = "" ; b7 = "" ; b8 = "" ; b9 = "" ; sendText(message); } } else { sendText(message); }
}
private static void sendText(String msg) { for (TicTacToeGame game : games) { try { synchronized (game) { game.session.getBasicRemote().sendText(msg); } } catch (IOException e) { games.remove(game); try { game.session.close(); } catch (IOException e1) { } sendText( "leave-" + game.player); } } }
@OnClose public void onClose(Session session) { System.out.println(session.getId()); System.out.println( this .player + "已下线" ); if (! "" .equals( this .player)) { games.remove( this ); sendText( "leave-" + this .player); } }
public void place3(String id, String player) { if ( "b1" .equals(id)) { b1 = player; } if ( "b2" .equals(id)) { b2 = player; } if ( "b3" .equals(id)) { b3 = player; } if ( "b4" .equals(id)) { b4 = player; } if ( "b5" .equals(id)) { b5 = player; } if ( "b6" .equals(id)) { b6 = player; } if ( "b7" .equals(id)) { b7 = player; } if ( "b8" .equals(id)) { b8 = player; } if ( "b9" .equals(id)) { b9 = player; } }
public String getPlayer(String id) { String player = "" ; if ( "b1" .equals(id)) { player = b1; } if ( "b2" .equals(id)) { player = b2; } if ( "b3" .equals(id)) { player = b3; } if ( "b4" .equals(id)) { player = b4; } if ( "b5" .equals(id)) { player = b5; } if ( "b6" .equals(id)) { player = b6; } if ( "b7" .equals(id)) { player = b7; } if ( "b8" .equals(id)) { player = b8; } if ( "b9" .equals(id)) { player = b9; } return player; }
public void check() {
if (b1.equals( "X" ) && b2.equals( "X" ) && b3.equals( "X" )) { sendText( "xwon" ); sendText( "gameover-YES" ); } else if (b1.equals( "X" ) && b4.equals( "X" ) && b7.equals( "X" )) { sendText( "xwon" ); sendText( "gameover-YES" ); } else if (b7.equals( "X" ) && b8.equals( "X" ) && b9.equals( "X" )) { sendText( "xwon" ); sendText( "gameover-YES" ); } else if (b3.equals( "X" ) && b6.equals( "X" ) && b9.equals( "X" )) { sendText( "xwon" ); sendText( "gameover-YES" ); } else if (b1.equals( "X" ) && b5.equals( "X" ) && b9.equals( "X" )) { sendText( "xwon" ); sendText( "gameover-YES" ); } else if (b3.equals( "X" ) && b5.equals( "X" ) && b7.equals( "X" )) { sendText( "xwon" ); sendText( "gameover-YES" ); } else if (b2.equals( "X" ) && b5.equals( "X" ) && b8.equals( "X" )) { sendText( "xwon" ); sendText( "gameover-YES" ); } else if (b4.equals( "X" ) && b5.equals( "X" ) && b6.equals( "X" )) { sendText( "xwon" ); sendText( "gameover-YES" ); }
else if (b1.equals( "O" ) && b2.equals( "O" ) && b3.equals( "O" )) { sendText( "owon" ); sendText( "gameover-YES" ); } else if (b1.equals( "O" ) && b4.equals( "O" ) && b7.equals( "O" )) { sendText( "owon" ); sendText( "gameover-YES" ); } else if (b7.equals( "O" ) && b8.equals( "O" ) && b9.equals( "O" )) { sendText( "owon" ); sendText( "gameover-YES" ); } else if (b3.equals( "O" ) && b6.equals( "O" ) && b9.equals( "O" )) { sendText( "owon" ); sendText( "gameover-YES" ); } else if (b1.equals( "O" ) && b5.equals( "O" ) && b9.equals( "O" )) { sendText( "owon" ); sendText( "gameover-YES" ); } else if (b3.equals( "O" ) && b5.equals( "O" ) && b7.equals( "O" )) { sendText( "owon" ); sendText( "gameover-YES" ); } else if (b2.equals( "O" ) && b5.equals( "O" ) && b8.equals( "O" )) { sendText( "owon" ); sendText( "gameover-YES" ); } else if (b4.equals( "O" ) && b5.equals( "O" ) && b6.equals( "O" )) { sendText( "owon" ); sendText( "gameover-YES" ); }
// Checking of Player O finsh // Here, Checking about Tie else if ((b1.equals( "X" ) || b1.equals( "O" )) && (b2.equals( "X" ) || b2.equals( "O" )) && (b3.equals( "X" ) || b3.equals( "O" )) && (b4.equals( "X" ) || b4.equals( "O" )) && (b5.equals( "X" ) || b5.equals( "O" )) && (b6.equals( "X" ) || b6.equals( "O" )) && (b7.equals( "X" ) || b7.equals( "O" )) && (b8.equals( "X" ) || b8.equals( "O" )) && (b9.equals( "X" ) || b9.equals( "O" ))) { sendText( "tie" ); sendText( "gameover-YES" ); } else {
} } } |
index.html
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<!DOCTYPE html>
< head > < meta http-equiv = "content-type" content = "text/html; charset=utf-8" > < meta name = "viewport" content = "width=device-width, initial-scale=1.0" > <!-- JavaScript file included -->
</ head >
< body > < div id = "main" > < h1 >TIC TAC TOE</ h1 >
<!-- Space to show player turn --> < p id = "player" ></ p >
< br >
< div id = "game" > < canvas id = "canvas" width = "300" height = "300" ></ canvas > </ div >
<!-- Grid end here --> < br >
<!-- Button to reset game --> < button id = "but" onclick = "reset()" > 重新开始 </ button >
< br > <!-- Space to show player turn --> < p id = "print2" ></ p >
< br > <!-- Space to show player turn --> < p id = "print" ></ p >
</ div > < script src = "tic.js" ></ script > </ body >
</ html > |
tic.js
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// Function called whenever user tab on any box player = "" ; turn = "" ; gameover = "NO" ; // Function to reset game function reset() { message = "reset" ; websocket.send(message); message = "turn-X" ; websocket.send(message); } function reset2() { clear(); drawboard(); gameover = "NO" ; document.getElementById( "print2" ) .innerHTML = "游戏开始, 请开始放置棋子" ; }
// Here onwards, functions check turn of the player // and put accordingly innerText X or O flag = 1; function place(id) { if (gameover === "NO" ) { if (flag === 1) { if (document.getElementById(id).innerText === "" ) { document.getElementById(id).innerText = "X" ; flag = 0; } } else { if (document.getElementById(id).innerText === "" ) { document.getElementById(id).innerText = "O" ; flag = 1; } } } check(); } function place2(id) { if (gameover === "NO" ) { if (turn === player) { if (document.getElementById(id).innerText === "" ) { message = "place-" + id + "-" + player; websocket.send(message); } } } }
//function place3(id, player) { // document.getElementById(id).innerText = player; //check(); //}
function getRootUri() { return "ws://" + (document.location.hostname == "" ? "localhost" : document.location.hostname) + ":" + (document.location.port == "" ? "8080" : document.location.port); }
function init() { output = document.getElementById( "output" ); websocket = new WebSocket(getRootUri() + "/TicTacToeWebSocket/tictactoe" ); websocket.onopen = function (evt) { onOpen(evt) }; websocket.onmessage = function (evt) { onMessage(evt) }; websocket.onerror = function (evt) { onError(evt) }; }
function onMessage(evt) { console.log(evt.data); if (evt.data == "roomfull" ) { document.getElementById( "print" ) .innerHTML = "游戏玩家已满" ; websocket.close(-1); } if (evt.data == "reset" ) { reset2(); } if (evt.data == "wait" ) { //window.alert("Waiting for Second Player"); document.getElementById( "print2" ) .innerHTML = "等待第二个玩家" ;
} if (evt.data == "start" ) { reset(); } if (evt.data == "xwon" ) { document.getElementById( "print2" ) .innerHTML = "玩家X赢了" ;
} if (evt.data == "owon" ) { document.getElementById( "print2" ) .innerHTML = "玩家O赢了" ;
} if (evt.data == "tie" ) { document.getElementById( "print2" ) .innerHTML = "平局" ;
} if (evt.data.indexOf( "leave" ) != -1) { //window.alert(evt.data); words = evt.data.split( "-" ); //window.alert(words[1]); player = words[1]; //window.alert(player); document.getElementById( "print2" ) .innerHTML = "玩家" + player+ "已离开游戏,请退出游戏" ; } if (evt.data.indexOf( "player" ) != -1) { //window.alert(evt.data); words = evt.data.split( "-" ); //window.alert(words[1]); player = words[1]; //window.alert(player); document.getElementById( "player" ) .innerHTML = "你是玩家" + player; } if (evt.data.indexOf( "turn" ) != -1) { //window.alert(evt.data); words = evt.data.split( "-" ); //window.alert(words[1]); turn = words[1]; //window.alert(turn); document.getElementById( "print" ) .innerHTML = "当前由玩家" + turn + "放置棋子" ; } if (evt.data.indexOf( "place" ) != -1) { //window.alert(evt.data); words = evt.data.split( "-" ); //window.alert(words[1]); place3(words[1], words[2]); } if (evt.data.indexOf( "gameover" ) != -1) { //window.alert(evt.data); words = evt.data.split( "-" ); //window.alert(words[1]); gameover = words[1]; //window.alert(turn); document.getElementById( "print" ) .innerHTML = "游戏结束！" ; } }
function onOpen(evt) { } function onError(evt) { }
players = 2; cell_count = 3; winCount = 3; cell_size = 100; size = cell_size * cell_count;
var canvas = document.getElementById( 'canvas' ); canvas.width = size; canvas.height = size;
canvas.addEventListener( 'click' , click, false );
var ctx = canvas.getContext( '2d' );
ctx.imageSmoothingEnabled = false ; ctx.lineWidth = 3;
function clear() { ctx.clearRect(0, 0, canvas.width, canvas.height); }
function line(x, y, w, h, color = '#ccc' ) { ctx.beginPath(); ctx.moveTo(x, y); ctx.lineTo(x + w, y + h); ctx.strokeStyle = color; ctx.stroke(); ctx.closePath(); }
function click(e) { if (gameover === "NO" ) { if (turn === player) { i = e.offsetX / cell_size | 0; j = e.offsetY / cell_size | 0; id = "" ; if (i == 0 && j == 0) { id = "b1" ; } if (i == 1 && j == 0) { id = "b2" ; } if (i == 2 && j == 0) { id = "b3" ; ; } if (i == 0 && j == 1) { id = "b4" ; } if (i == 1 && j == 1) { id = "b5" ; } if (i == 2 && j == 1) { id = "b6" ; } if (i == 0 && j == 2) { id = "b7" ; } if (i == 1 && j == 2) { id = "b8" ; } if (i == 2 && j == 2) { id = "b9" ; } message = "place-" + id + "-" + player; websocket.send(message); } } } function place3(id, player) { i = 0; j = 0; if (id === "b1" ) { i = 0; j = 0; } if (id === "b2" ) { i = 1; j = 0; } if (id === "b3" ) { i = 2; j = 0; } if (id === "b4" ) { i = 0; j = 1; } if (id === "b5" ) { i = 1; j = 1; } if (id === "b6" ) { i = 2; j = 1; } if (id === "b7" ) { i = 0; j = 2; } if (id === "b8" ) { i = 1; j = 2; } if (id === "b9" ) { i = 2; j = 2; }
if (player === "X" ) { // window.alert("X"); // draw X figure color = '#3F51B5' ;
left = (i + 0.1) * cell_size; up = (j + 0.1) * cell_size; size = 0.8 * cell_size; // window.alert(left); // window.alert("up="+up); // window.alert(size);
line(left, up, size, size, color); line(left + size, up, -size, size, color); } if (player === "O" ) { color = '#FF5722' ; left = (i + 0.1) * cell_size; up = (j + 0.1) * cell_size; size = 0.8 * cell_size; ctx.beginPath(); ctx.arc((i + 0.5) * cell_size, (j + 0.5) * cell_size, 0.4 * cell_size, 0, Math.PI * 2, false ); ctx.strokeStyle = color; ctx.stroke(); ctx.closePath(); } }
function drawboard() { for (let i = 0; i < cell_count; i++) { for (let j = 0; j < cell_count; j++) { left = i * cell_size; up = j * cell_size; size = cell_size; ctx.beginPath(); ctx.lineWidth = "6" ; ctx.strokeStyle = "gray" ; ctx.rect(left, up, size, size); ctx.stroke(); }
}
} drawboard();
window.addEventListener( "load" , init, false ); |
以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持。
原文链接：https://blog.csdn.net/allway2/article/details/119830552
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