Javascript Tic Tac Toe游戏：我如何防止；它'；“是平局”；当所有磁砖都填满时，当获胜时发出警报？
这是我使用HTML5画布编写的Tic-Tac-Toe游戏代码：Javascript Tic Tac Toe游戏：我如何防止；它'；“是平局”；当所有磁砖都填满时，当获胜时发出警报？,javascript,html,Javascript,Html,这是我使用HTML5画布编写的Tic-Tac-Toe游戏代码： //Global Variables var filled; var content; var winningCombos; var turn = 0; var tilesFilled = 0; window.onload=function(){ filled = new Array(); //An array for checkin
//Global Variables
var filled;
var content;
var winningCombos;
var turn = 0;
var tilesFilled = 0;
window.onload=function(){
filled = new Array(); //An array for checking if the tile contains content (Xs or Os) to prevent it from being reused
content = new Array(); //An array for checking what the tile content is (Xs or Os) to determine a winner
winningCombos = [[0,1,2],[3,4,5],[6,7,8],[0,3,6],[1,4,7],[2,5,8],[0,4,8],[2,4,6]]; //A dual array of the 8 different winning combos (3 across, 3 down, 2 diagonal)
for(var l = 0; l <= 8; l++){ //A for loop, which starts out as unfilled and blank, to assign values to the tiles incrementally
filled[l] = false;
content[l]='';
}
}
//The Canvas and Tiles Function
function canvasClicked(canvasNumber){ //This will get the number from canvasClicked in the html body
var theTile = "canvas"+canvasNumber; //And then append “canvas” to the number. This equals the canvas id.
var c = document.getElementById(theTile);
var ctx = c.getContext("2d"); //This is adding 2d context to theTile (canvas id)
// Filling in the Tiles
if(filled[canvasNumber-1] ==false){ //If the tile is empty
if(turn%2==0){ //Determine whose turn it is by the modulo operator
ctx.beginPath(); //Drawing the X
ctx.moveTo(20,20);
ctx.lineTo(80,80);
ctx.moveTo(80,20);
ctx.lineTo(20,80);
ctx.lineWidth = 2;
ctx.strokeStyle="palevioletred";
ctx.stroke();
ctx.closePath();
content[canvasNumber-1] = 'X';
}
else{ //If it isn’t Xs turn, then it’s Os turn
ctx.beginPath(); //Drawing the O
ctx.arc(50,50,40,0,2*Math.PI);
ctx.lineWidth = 2;
ctx.strokeStyle="skyblue";
ctx.stroke();
ctx.closePath();
content[canvasNumber-1] = 'O';
}
turn++; //Alternate Xs and Os turn by using the increment operator, starting with 0 in the global variable turn
filled[canvasNumber-1] = true;
tilesFilled++; //Checks whether all tiles are filled yet, again with the increment operator, starting at 0 in the variable tilesFilled
checkForWinners(content[canvasNumber-1]); //Check for winners
if(tilesFilled==9) { //If there is no winner after all tiles are filled start a new game
alert("It's a Tie!");
location.reload(true);
}
}
}
function checkForWinners(symbol){
for(var i = 0; i < winningCombos.length; i++){ //This for loop will go through the 8 winningCombos
//This will go through all the winningCombos to see whether the 0,1,2 within the index have the same content (Xs or Os)
if(content[winningCombos[i][0]]==symbol&&content[winningCombos[i][1]]==symbol&&content[winningCombos[i][2]]==symbol){
alert(symbol+ " WON THE GAME!");
location.reload(true);
}
}
}
</script>
</head>
<body>
<h1>Tic Tac Toe</h1>
<canvas id = "canvas1" width="100" height="100" onclick="canvasClicked(1)"></canvas>
<canvas id = "canvas2" width="100" height="100" onclick="canvasClicked(2)"></canvas>
<canvas id = "canvas3" width="100" height="100" onclick="canvasClicked(3)"></canvas><br/>
<canvas id = "canvas4" width="100" height="100" onclick="canvasClicked(4)"></canvas>
<canvas id = "canvas5" width="100" height="100" onclick="canvasClicked(5)"></canvas>
<canvas id = "canvas6" width="100" height="100" onclick="canvasClicked(6)"></canvas><br/>
<canvas id = "canvas7" width="100" height="100" onclick="canvasClicked(7)"></canvas>
<canvas id = "canvas8" width="100" height="100" onclick="canvasClicked(8)"></canvas>
<canvas id = "canvas9" width="100" height="100" onclick="canvasClicked(9)"></canvas>
</body>
//全局变量
var填充；
var含量；
var winningCombos；
var-turn=0；
var tilesFilled=0；
window.onload=function（）{
filled=new Array（）；//用于检查磁贴是否包含内容（Xs或Os）以防止重复使用的数组
content=new Array（）；//用于检查磁贴内容（Xs或Os）以确定赢家的数组
winningCombos=[[0,1,2]、[3,4,5]、[6,7,8]、[0,3,6]、[1,4,7]、[2,5,8]、[0,4,8]、[2,4,6]；//8个不同获胜组合的双重数组（3个交叉、3个向下、2个对角）
对于（var l=0；l我看不出在哪里打印它是平局。但是我会更改此方法调用：
//Global Variables
var filled;
var content;
var winningCombos;
var turn = 0;
var tilesFilled = 0;
window.onload=function(){
filled = new Array(); //An array for checking if the tile contains content (Xs or Os) to prevent it from being reused
content = new Array(); //An array for checking what the tile content is (Xs or Os) to determine a winner
winningCombos = [[0,1,2],[3,4,5],[6,7,8],[0,3,6],[1,4,7],[2,5,8],[0,4,8],[2,4,6]]; //A dual array of the 8 different winning combos (3 across, 3 down, 2 diagonal)
for(var l = 0; l <= 8; l++){ //A for loop, which starts out as unfilled and blank, to assign values to the tiles incrementally
filled[l] = false;
content[l]='';
}
}
//The Canvas and Tiles Function
function canvasClicked(canvasNumber){ //This will get the number from canvasClicked in the html body
var theTile = "canvas"+canvasNumber; //And then append “canvas” to the number. This equals the canvas id.
var c = document.getElementById(theTile);
var ctx = c.getContext("2d"); //This is adding 2d context to theTile (canvas id)
// Filling in the Tiles
if(filled[canvasNumber-1] ==false){ //If the tile is empty
if(turn%2==0){ //Determine whose turn it is by the modulo operator
ctx.beginPath(); //Drawing the X
ctx.moveTo(20,20);
ctx.lineTo(80,80);
ctx.moveTo(80,20);
ctx.lineTo(20,80);
ctx.lineWidth = 2;
ctx.strokeStyle="palevioletred";
ctx.stroke();
ctx.closePath();
content[canvasNumber-1] = 'X';
}
else{ //If it isn’t Xs turn, then it’s Os turn
ctx.beginPath(); //Drawing the O
ctx.arc(50,50,40,0,2*Math.PI);
ctx.lineWidth = 2;
ctx.strokeStyle="skyblue";
ctx.stroke();
ctx.closePath();
content[canvasNumber-1] = 'O';
}
turn++; //Alternate Xs and Os turn by using the increment operator, starting with 0 in the global variable turn
filled[canvasNumber-1] = true;
tilesFilled++; //Checks whether all tiles are filled yet, again with the increment operator, starting at 0 in the variable tilesFilled
checkForWinners(content[canvasNumber-1]); //Check for winners
if(tilesFilled==9) { //If there is no winner after all tiles are filled start a new game
alert("It's a Tie!");
location.reload(true);
}
}
}
function checkForWinners(symbol){
for(var i = 0; i < winningCombos.length; i++){ //This for loop will go through the 8 winningCombos
//This will go through all the winningCombos to see whether the 0,1,2 within the index have the same content (Xs or Os)
if(content[winningCombos[i][0]]==symbol&&content[winningCombos[i][1]]==symbol&&content[winningCombos[i][2]]==symbol){
alert(symbol+ " WON THE GAME!");
location.reload(true);
}
}
}
</script>
</head>
<body>
<h1>Tic Tac Toe</h1>
<canvas id = "canvas1" width="100" height="100" onclick="canvasClicked(1)"></canvas>
<canvas id = "canvas2" width="100" height="100" onclick="canvasClicked(2)"></canvas>
<canvas id = "canvas3" width="100" height="100" onclick="canvasClicked(3)"></canvas><br/>
<canvas id = "canvas4" width="100" height="100" onclick="canvasClicked(4)"></canvas>
<canvas id = "canvas5" width="100" height="100" onclick="canvasClicked(5)"></canvas>
<canvas id = "canvas6" width="100" height="100" onclick="canvasClicked(6)"></canvas><br/>
<canvas id = "canvas7" width="100" height="100" onclick="canvasClicked(7)"></canvas>
<canvas id = "canvas8" width="100" height="100" onclick="canvasClicked(8)"></canvas>
<canvas id = "canvas9" width="100" height="100" onclick="canvasClicked(9)"></canvas>
</body>
checkForWinners(content[canvasNumber-1]);
返回布尔值，如果调用该方法中的警报，则为真
//Global Variables
var filled;
var content;
var winningCombos;
var turn = 0;
var tilesFilled = 0;
window.onload=function(){
filled = new Array(); //An array for checking if the tile contains content (Xs or Os) to prevent it from being reused
content = new Array(); //An array for checking what the tile content is (Xs or Os) to determine a winner
winningCombos = [[0,1,2],[3,4,5],[6,7,8],[0,3,6],[1,4,7],[2,5,8],[0,4,8],[2,4,6]]; //A dual array of the 8 different winning combos (3 across, 3 down, 2 diagonal)
for(var l = 0; l <= 8; l++){ //A for loop, which starts out as unfilled and blank, to assign values to the tiles incrementally
filled[l] = false;
content[l]='';
}
}
//The Canvas and Tiles Function
function canvasClicked(canvasNumber){ //This will get the number from canvasClicked in the html body
var theTile = "canvas"+canvasNumber; //And then append “canvas” to the number. This equals the canvas id.
var c = document.getElementById(theTile);
var ctx = c.getContext("2d"); //This is adding 2d context to theTile (canvas id)
// Filling in the Tiles
if(filled[canvasNumber-1] ==false){ //If the tile is empty
if(turn%2==0){ //Determine whose turn it is by the modulo operator
ctx.beginPath(); //Drawing the X
ctx.moveTo(20,20);
ctx.lineTo(80,80);
ctx.moveTo(80,20);
ctx.lineTo(20,80);
ctx.lineWidth = 2;
ctx.strokeStyle="palevioletred";
ctx.stroke();
ctx.closePath();
content[canvasNumber-1] = 'X';
}
else{ //If it isn’t Xs turn, then it’s Os turn
ctx.beginPath(); //Drawing the O
ctx.arc(50,50,40,0,2*Math.PI);
ctx.lineWidth = 2;
ctx.strokeStyle="skyblue";
ctx.stroke();
ctx.closePath();
content[canvasNumber-1] = 'O';
}
turn++; //Alternate Xs and Os turn by using the increment operator, starting with 0 in the global variable turn
filled[canvasNumber-1] = true;
tilesFilled++; //Checks whether all tiles are filled yet, again with the increment operator, starting at 0 in the variable tilesFilled
checkForWinners(content[canvasNumber-1]); //Check for winners
if(tilesFilled==9) { //If there is no winner after all tiles are filled start a new game
alert("It's a Tie!");
location.reload(true);
}
}
}
function checkForWinners(symbol){
for(var i = 0; i < winningCombos.length; i++){ //This for loop will go through the 8 winningCombos
//This will go through all the winningCombos to see whether the 0,1,2 within the index have the same content (Xs or Os)
if(content[winningCombos[i][0]]==symbol&&content[winningCombos[i][1]]==symbol&&content[winningCombos[i][2]]==symbol){
alert(symbol+ " WON THE GAME!");
location.reload(true);
}
}
}
</script>
</head>
<body>
<h1>Tic Tac Toe</h1>
<canvas id = "canvas1" width="100" height="100" onclick="canvasClicked(1)"></canvas>
<canvas id = "canvas2" width="100" height="100" onclick="canvasClicked(2)"></canvas>
<canvas id = "canvas3" width="100" height="100" onclick="canvasClicked(3)"></canvas><br/>
<canvas id = "canvas4" width="100" height="100" onclick="canvasClicked(4)"></canvas>
<canvas id = "canvas5" width="100" height="100" onclick="canvasClicked(5)"></canvas>
<canvas id = "canvas6" width="100" height="100" onclick="canvasClicked(6)"></canvas><br/>
<canvas id = "canvas7" width="100" height="100" onclick="canvasClicked(7)"></canvas>
<canvas id = "canvas8" width="100" height="100" onclick="canvasClicked(8)"></canvas>
<canvas id = "canvas9" width="100" height="100" onclick="canvasClicked(9)"></canvas>
</body>
然后更改此选项：
//Global Variables
var filled;
var content;
var winningCombos;
var turn = 0;
var tilesFilled = 0;
window.onload=function(){
filled = new Array(); //An array for checking if the tile contains content (Xs or Os) to prevent it from being reused
content = new Array(); //An array for checking what the tile content is (Xs or Os) to determine a winner
winningCombos = [[0,1,2],[3,4,5],[6,7,8],[0,3,6],[1,4,7],[2,5,8],[0,4,8],[2,4,6]]; //A dual array of the 8 different winning combos (3 across, 3 down, 2 diagonal)
for(var l = 0; l <= 8; l++){ //A for loop, which starts out as unfilled and blank, to assign values to the tiles incrementally
filled[l] = false;
content[l]='';
}
}
//The Canvas and Tiles Function
function canvasClicked(canvasNumber){ //This will get the number from canvasClicked in the html body
var theTile = "canvas"+canvasNumber; //And then append “canvas” to the number. This equals the canvas id.
var c = document.getElementById(theTile);
var ctx = c.getContext("2d"); //This is adding 2d context to theTile (canvas id)
// Filling in the Tiles
if(filled[canvasNumber-1] ==false){ //If the tile is empty
if(turn%2==0){ //Determine whose turn it is by the modulo operator
ctx.beginPath(); //Drawing the X
ctx.moveTo(20,20);
ctx.lineTo(80,80);
ctx.moveTo(80,20);
ctx.lineTo(20,80);
ctx.lineWidth = 2;
ctx.strokeStyle="palevioletred";
ctx.stroke();
ctx.closePath();
content[canvasNumber-1] = 'X';
}
else{ //If it isn’t Xs turn, then it’s Os turn
ctx.beginPath(); //Drawing the O
ctx.arc(50,50,40,0,2*Math.PI);
ctx.lineWidth = 2;
ctx.strokeStyle="skyblue";
ctx.stroke();
ctx.closePath();
content[canvasNumber-1] = 'O';
}
turn++; //Alternate Xs and Os turn by using the increment operator, starting with 0 in the global variable turn
filled[canvasNumber-1] = true;
tilesFilled++; //Checks whether all tiles are filled yet, again with the increment operator, starting at 0 in the variable tilesFilled
checkForWinners(content[canvasNumber-1]); //Check for winners
if(tilesFilled==9) { //If there is no winner after all tiles are filled start a new game
alert("It's a Tie!");
location.reload(true);
}
}
}
function checkForWinners(symbol){
for(var i = 0; i < winningCombos.length; i++){ //This for loop will go through the 8 winningCombos
//This will go through all the winningCombos to see whether the 0,1,2 within the index have the same content (Xs or Os)
if(content[winningCombos[i][0]]==symbol&&content[winningCombos[i][1]]==symbol&&content[winningCombos[i][2]]==symbol){
alert(symbol+ " WON THE GAME!");
location.reload(true);
}
}
}
</script>
</head>
<body>
<h1>Tic Tac Toe</h1>
<canvas id = "canvas1" width="100" height="100" onclick="canvasClicked(1)"></canvas>
<canvas id = "canvas2" width="100" height="100" onclick="canvasClicked(2)"></canvas>
<canvas id = "canvas3" width="100" height="100" onclick="canvasClicked(3)"></canvas><br/>
<canvas id = "canvas4" width="100" height="100" onclick="canvasClicked(4)"></canvas>
<canvas id = "canvas5" width="100" height="100" onclick="canvasClicked(5)"></canvas>
<canvas id = "canvas6" width="100" height="100" onclick="canvasClicked(6)"></canvas><br/>
<canvas id = "canvas7" width="100" height="100" onclick="canvasClicked(7)"></canvas>
<canvas id = "canvas8" width="100" height="100" onclick="canvasClicked(8)"></canvas>
<canvas id = "canvas9" width="100" height="100" onclick="canvasClicked(9)"></canvas>
</body>
if(tilesFilled==9) {
说
//Global Variables
var filled;
var content;
var winningCombos;
var turn = 0;
var tilesFilled = 0;
window.onload=function(){
filled = new Array(); //An array for checking if the tile contains content (Xs or Os) to prevent it from being reused
content = new Array(); //An array for checking what the tile content is (Xs or Os) to determine a winner
winningCombos = [[0,1,2],[3,4,5],[6,7,8],[0,3,6],[1,4,7],[2,5,8],[0,4,8],[2,4,6]]; //A dual array of the 8 different winning combos (3 across, 3 down, 2 diagonal)
for(var l = 0; l <= 8; l++){ //A for loop, which starts out as unfilled and blank, to assign values to the tiles incrementally
filled[l] = false;
content[l]='';
}
}
//The Canvas and Tiles Function
function canvasClicked(canvasNumber){ //This will get the number from canvasClicked in the html body
var theTile = "canvas"+canvasNumber; //And then append “canvas” to the number. This equals the canvas id.
var c = document.getElementById(theTile);
var ctx = c.getContext("2d"); //This is adding 2d context to theTile (canvas id)
// Filling in the Tiles
if(filled[canvasNumber-1] ==false){ //If the tile is empty
if(turn%2==0){ //Determine whose turn it is by the modulo operator
ctx.beginPath(); //Drawing the X
ctx.moveTo(20,20);
ctx.lineTo(80,80);
ctx.moveTo(80,20);
ctx.lineTo(20,80);
ctx.lineWidth = 2;
ctx.strokeStyle="palevioletred";
ctx.stroke();
ctx.closePath();
content[canvasNumber-1] = 'X';
}
else{ //If it isn’t Xs turn, then it’s Os turn
ctx.beginPath(); //Drawing the O
ctx.arc(50,50,40,0,2*Math.PI);
ctx.lineWidth = 2;
ctx.strokeStyle="skyblue";
ctx.stroke();
ctx.closePath();
content[canvasNumber-1] = 'O';
}
turn++; //Alternate Xs and Os turn by using the increment operator, starting with 0 in the global variable turn
filled[canvasNumber-1] = true;
tilesFilled++; //Checks whether all tiles are filled yet, again with the increment operator, starting at 0 in the variable tilesFilled
checkForWinners(content[canvasNumber-1]); //Check for winners
if(tilesFilled==9) { //If there is no winner after all tiles are filled start a new game
alert("It's a Tie!");
location.reload(true);
}
}
}
function checkForWinners(symbol){
for(var i = 0; i < winningCombos.length; i++){ //This for loop will go through the 8 winningCombos
//This will go through all the winningCombos to see whether the 0,1,2 within the index have the same content (Xs or Os)
if(content[winningCombos[i][0]]==symbol&&content[winningCombos[i][1]]==symbol&&content[winningCombos[i][2]]==symbol){
alert(symbol+ " WON THE GAME!");
location.reload(true);
}
}
}
</script>
</head>
<body>
<h1>Tic Tac Toe</h1>
<canvas id = "canvas1" width="100" height="100" onclick="canvasClicked(1)"></canvas>
<canvas id = "canvas2" width="100" height="100" onclick="canvasClicked(2)"></canvas>
<canvas id = "canvas3" width="100" height="100" onclick="canvasClicked(3)"></canvas><br/>
<canvas id = "canvas4" width="100" height="100" onclick="canvasClicked(4)"></canvas>
<canvas id = "canvas5" width="100" height="100" onclick="canvasClicked(5)"></canvas>
<canvas id = "canvas6" width="100" height="100" onclick="canvasClicked(6)"></canvas><br/>
<canvas id = "canvas7" width="100" height="100" onclick="canvasClicked(7)"></canvas>
<canvas id = "canvas8" width="100" height="100" onclick="canvasClicked(8)"></canvas>
<canvas id = "canvas9" width="100" height="100" onclick="canvasClicked(9)"></canvas>
</body>
if(noWinnersAlertBoolean && tilesFilled==9) {
//全局变量
var填充；
var含量；
var winningCombos；
var-turn=0；
var tilesFilled=0；
window.onload=function（）{
filled=new Array（）；//用于检查磁贴是否包含内容（Xs或Os）以防止重复使用的数组
content=new Array（）；//用于检查磁贴内容（Xs或Os）以确定赢家的数组
winningCombos=[[0,1,2]、[3,4,5]、[6,7,8]、[0,3,6]、[1,4,7]、[2,5,8]、[0,4,8]、[2,4,6]；//8个不同获胜组合的双重数组（3个交叉、3个向下、2个对角）
对于（var l=0；l