Trò chơi gỡ mìn này không quá xa lạ với các bạn 7x, 8x. Vì ngày đó có rất ít trò chơi trên máy tính. Hôm nay Laixe.Xyz xin phép được chia sẻ hướng dẫn viết game gỡ mìn đơn giản bằng Javascript
Game Gỡ Mìn
Hướng Dẫn Viết Game Gỡ Mìn
Bước 1: Thêm mã HTML dưới đây:
<div id="vidu">
<div class="board"></div>
<a class="btn" href="#!">New Game</a>
<br />
<div class="endscreen"></div>
</div>
Bước 2: Thêm CSS sau:
#vidu :root {
--tileSize: 60px;
--boardSize: 0px;
}
#vidu * {
margin: 0;
padding: 0;
box-sizing: border-box;
font-family: 'VT323', monospace;
}
#vidu *::-moz-selection {
background: rgba(127, 140, 141, 0.6);
}
#vidu *::selection {
background: rgba(127, 140, 141, 0.6);
}
#vidu {
width: 100%;
height: 100%; padding: 100px 0px
}
#vidu {
width: 100%;
min-height: 100%;
display: flex;
flex-direction: column;
justify-content: center;
align-items: center;
background: #ffebc5;
}
#vidu .btn {
background: #c9c9c9;
padding: .5rem 1rem;
text-decoration: none;
color: #969696;
font-size: 1.5rem;
text-transform: uppercase;
-webkit-user-select: none;
-moz-user-select: none;
-ms-user-select: none;
user-select: none;
transition: background .2s ease, -webkit-transform .2s ease;
transition: background .2s ease, transform .2s ease;
transition: background .2s ease, transform .2s ease, -webkit-transform .2s ease;
box-shadow: inset 0 2px 0 #e7e7e7, inset 0 -2px 0 #bcbcbc, inset 2px 0 0 #e7e7e7, inset -2px 0 0 #bcbcbc;
text-shadow: 0 1px 0 #efefef, 0 -1px 0 #7c7c7c;
}
#vidu .btn:hover {
background: #d5d5d5;
-webkit-transform: translateY(-1px);
transform: translateY(-1px);
}
#vidu .btn:active {
background: #bcbcbc;
-webkit-transform: translateY(1px);
transform: translateY(1px);
}
#vidu .endscreen {
background: #e2e2e2;
padding: 1rem 2rem;
font-size: 40px;
display: none;
box-shadow: inset 0 2px 0 #e7e7e7, inset 0 -2px 0 #bcbcbc, inset 2px 0 0 #e7e7e7, inset -2px 0 0 #bcbcbc, 0 4px 8px 0 rgba(0, 0, 0, 0.2), 0 16px 32px 0 rgba(0, 0, 0, 0.2);
text-shadow: 0 1px 0 #efefef, 0 -1px 0 #7c7c7c;
}
#vidu .endscreen.show {
display: block;
}
#vidu .endscreen span {
color: #2ecc71;
}
#vidu .board {
background: #e2e2e2;
position: relative;
display: flex;
flex-direction: row;
flex-wrap: wrap;
margin-bottom: 2rem;
border: 10px solid #d5d5d5;
box-sizing: content-box;
box-shadow: 0 6px 0 #bcbcbc, 0 -6px 0 #e7e7e7, 6px 0 0 #bcbcbc, -6px 0 0 #e7e7e7;
}
#vidu .board:before {
content: '';
position: absolute;
width: 8px;
height: 6px;
background: #e2e2e2;
top: -14px;
right: -14px;
-webkit-transform: rotate(45deg);
transform: rotate(45deg);
z-index: -1;
box-shadow: 1px calc(var(--boardSize) * 1.465) 0 #e2e2e2;
}
#vidu .board:after {
content: '';
position: absolute;
width: 8px;
height: 6px;
background: white;
top: -14px;
left: -14px;
-webkit-transform: rotate(-45deg);
transform: rotate(-45deg);
z-index: -1;
box-shadow: -1px calc(var(--boardSize) * 1.465) 0 #afafaf;
}
#vidu .board .tile {
background: #e2e2e2;
width: var(--tileSize);
height: var(--tileSize);
position: relative;
display: flex;
justify-content: center;
align-items: center;
font-size: calc(var(--tileSize) * .8);
cursor: pointer;
-webkit-user-select: none;
-moz-user-select: none;
-ms-user-select: none;
user-select: none;
transition: background .2s ease;
box-shadow: inset 0 2px 0 0 #fcfcfc, inset 2px 0 0 0 #fcfcfc, inset 0 -2px 0 0 #c9c9c9, inset -2px 0 0 0 #c9c9c9;
}
#vidu .board .tile:hover:not(.tile--checked) {
background: #efefef;
}
#vidu .board .tile--checked {
background: #d5d5d5;
box-shadow: inset 0 1px 0 0 #c9c9c9, inset 1px 0 0 0 #c9c9c9, inset 0 -1px 0 0 #c9c9c9, inset -1px 0 0 0 #c9c9c9;
}
#vidu .board .tile--checked.tile--bomb:before, .board .tile--checked.tile--bomb:after {
opacity: 1;
}
#vidu .board .tile--checked:hover {
cursor: default;
}
#vidu .board .tile--bomb {
font-size: calc(var(--tileSize) * .5);
}
#vidu .board .tile--flagged {
font-size: calc(var(--tileSize) * .5);
}
#vidu .settings {
position: fixed;
left: 0;
top: 0;
background: rgba(0, 0, 0, 0.1);
display: flex;
flex-direction: column;
padding: 1rem;
}
#vidu .settings label {
font-size: 1.2rem;
}
Bước 3: Thêm đoạn Javascript để chạy game gỡ mìn.
console.clear();
let size = 10; // size x size tiles
let bombFrequency = 0.2; // percentage of bombs
let tileSize = 60;
const board = document.querySelectorAll('.board')[0];
let tiles;
let boardSize;
const restartBtn = document.querySelectorAll('.btn')[0];
const endscreen = document.querySelectorAll('.endscreen')[0]
// settings
const boardSizeBtn = document.getElementById('boardSize');
const tileSizeBtn = document.getElementById('tileSize');
const difficultyBtns = document.querySelectorAll('.difficulty');
let bombs = [];
let numbers = [];
let numberColors = ['#3498db', '#2ecc71', '#e74c3c', '#9b59b6', '#f1c40f', '#1abc9c', '#34495e', '#7f8c8d',];
let endscreenContent = {win: '✔ you won!', loose: '💣 Booom! Game over.'};
let gameOver = false;
/* clear board */
const clear = () => {
// console.clear();
gameOver = false;
bombs = [];
numbers = [];
endscreen.innerHTML = '';
endscreen.classList.remove('show');
tiles.forEach(tile => {
tile.remove();
});
setup();
}
/* setup the game */
const setup = () => {
for (let i = 0; i < Math.pow(size, 2); i++) {
const tile = document.createElement('div');
tile.classList.add('tile');
board.appendChild(tile);
}
tiles = document.querySelectorAll('.tile');
boardSize = Math.sqrt(tiles.length);
board.style.width = boardSize * tileSize + 'px';
document.documentElement.style.setProperty('--tileSize', `${tileSize}px`);
document.documentElement.style.setProperty('--boardSize', `${boardSize * tileSize}px`);
let x = 0;
let y = 0;
tiles.forEach((tile, i) => {
// set tile coordinates
tile.setAttribute('data-tile', `${x},${y}`);
// add bombs
let random_boolean = Math.random() < bombFrequency;
if (random_boolean) {
bombs.push(`${x},${y}`);
if (x > 0) numbers.push(`${x-1},${y}`);
if (x < boardSize - 1) numbers.push(`${x+1},${y}`);
if (y > 0) numbers.push(`${x},${y-1}`);
if (y < boardSize - 1) numbers.push(`${x},${y+1}`);
if (x > 0 && y > 0) numbers.push(`${x-1},${y-1}`);
if (x < boardSize - 1 && y < boardSize - 1) numbers.push(`${x+1},${y+1}`);
if (y > 0 && x < boardSize - 1) numbers.push(`${x+1},${y-1}`);
if (x > 0 && y < boardSize - 1) numbers.push(`${x-1},${y+1}`);
}
x++;
if (x >= boardSize) {
x = 0;
y++;
}
/* rightclick */
tile.oncontextmenu = function(e) {
e.preventDefault();
flag(tile);
}
/* leftclick */
tile.addEventListener('click', function(e) {
clickTile(tile);
});
});
numbers.forEach(num => {
let coords = num.split(',');
let tile = document.querySelectorAll(`[data-tile="${parseInt(coords[0])},${parseInt(coords[1])}"]`)[0];
let dataNum = parseInt(tile.getAttribute('data-num'));
if (!dataNum) dataNum = 0;
tile.setAttribute('data-num', dataNum + 1);
});
}
/* flag a tile */
const flag = (tile) => {
if (gameOver) return;
if (!tile.classList.contains('tile--checked')) {
if (!tile.classList.contains('tile--flagged')) {
tile.innerHTML = '🚩';
tile.classList.add('tile--flagged');
} else {
tile.innerHTML = '';
tile.classList.remove('tile--flagged');
}
}
}
/* check if bomb or not */
const clickTile = (tile) => {
if (gameOver) return;
if (tile.classList.contains('tile--checked') || tile.classList.contains('tile--flagged')) return;
let coordinate = tile.getAttribute('data-tile');
if (bombs.includes(coordinate)) {
endGame(tile);
} else {
/* check if nearby bomb */
let num = tile.getAttribute('data-num');
if (num != null) {
tile.classList.add('tile--checked');
tile.innerHTML = num;
tile.style.color = numberColors[num-1];
setTimeout(() => {
checkVictory();
}, 100);
return;
}
checkTile(tile, coordinate);
}
tile.classList.add('tile--checked');
}
/* clicked the right one */
const checkTile = (tile, coordinate) => {
console.log('✔');
let coords = coordinate.split(',');
let x = parseInt(coords[0]);
let y = parseInt(coords[1]);
/* check nearby tiles */
setTimeout(() => {
if (x > 0) {
let targetW = document.querySelectorAll(`[data-tile="${x-1},${y}"`)[0];
clickTile(targetW, `${x-1},${y}`);
}
if (x < boardSize - 1) {
let targetE = document.querySelectorAll(`[data-tile="${x+1},${y}"`)[0];
clickTile(targetE, `${x+1},${y}`);
}
if (y > 0) {
let targetN = document.querySelectorAll(`[data-tile="${x},${y-1}"]`)[0];
clickTile(targetN, `${x},${y-1}`);
}
if (y < boardSize - 1) {
let targetS = document.querySelectorAll(`[data-tile="${x},${y+1}"]`)[0];
clickTile(targetS, `${x},${y+1}`);
}
if (x > 0 && y > 0) {
let targetNW = document.querySelectorAll(`[data-tile="${x-1},${y-1}"`)[0];
clickTile(targetNW, `${x-1},${y-1}`);
}
if (x < boardSize - 1 && y < boardSize - 1) {
let targetSE = document.querySelectorAll(`[data-tile="${x+1},${y+1}"`)[0];
clickTile(targetSE, `${x+1},${y+1}`);
}
if (y > 0 && x < boardSize - 1) {
let targetNE = document.querySelectorAll(`[data-tile="${x+1},${y-1}"]`)[0];
clickTile(targetNE, `${x+1},${y-1}`);
}
if (x > 0 && y < boardSize - 1) {
let targetSW = document.querySelectorAll(`[data-tile="${x-1},${y+1}"`)[0];
clickTile(targetSW, `${x-1},${y+1}`);
}
}, 10);
}
/* Bomb clicked -> end game */
const endGame = (tile) => {
console.log('💣 Booom! Game over.');
endscreen.innerHTML = endscreenContent.loose;
endscreen.classList.add('show');
gameOver = true;
tiles.forEach(tile => {
let coordinate = tile.getAttribute('data-tile');
if (bombs.includes(coordinate)) {
tile.classList.remove('tile--flagged');
tile.classList.add('tile--checked', 'tile--bomb');
tile.innerHTML = '💣';
}
});
}
const checkVictory = () => {
let win = true;
tiles.forEach(tile => {
let coordinate = tile.getAttribute('data-tile');
if (!tile.classList.contains('tile--checked') && !bombs.includes(coordinate)) win = false;
});
if (win) {
endscreen.innerHTML = endscreenContent.win;
endscreen.classList.add('show');
gameOver = true;
}
}
/* start game */
setup();
/* click button for new game */
restartBtn.addEventListener('click', function(e) {
e.preventDefault();
clear();
});
// settings
boardSizeBtn.addEventListener('change', function(e) {
console.log(this.value);
size = this.value;
clear();
});
tileSizeBtn.addEventListener('change', function(e) {
console.log(this.value);
tileSize = this.value;
clear();
});
difficultyBtns.forEach(btn => {
btn.addEventListener('click', function() {
console.log(this.value);
bombFrequency = this.value;
clear();
});
});
console.log(`${boardSize} x ${boardSize} tiles`);
console.log('bombs');
console.log(bombs);
console.log('numbers');
console.log(numbers);
