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PACMAN.html
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PACMAN.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>Pac-man</title>
<style>
.grid {
display: flex;
flex-wrap: wrap;
width: 560px;
height: 560px;
border: solid black;
}
.grid div {
width: 20px;
height: 20px;
}
.pac-dot {
background-color: green;
border: 5px solid white;
box-sizing: border-box;
}
.wall {
background-color: blue;
}
.power-pellet {
background-color: green;
border-radius: 10px;
}
.blinky {
background-color: red;
}
.pinky {
background-color: pink;
}
.inky {
background-color: cyan;
}
.clyde {
background-color: orange;
}
.pac-man {
background-color: yellow;
border-radius: 10px;
}
.scared-ghost {
background-color: aquamarine;
}
</style>
<script>
document.addEventListener("DOMContentLoaded", () => {
const scoreDisplay = document.getElementById("score")
const width = 28
let score = 0
const grid = document.querySelector(".grid")
const layout = [
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1,
1, 0, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 0, 1, 1, 0, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 0, 1,
1, 3, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 0, 1, 1, 0, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 3, 1,
1, 0, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 0, 1, 1, 0, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 0, 1,
1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1,
1, 0, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 0, 1,
1, 0, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 0, 1,
1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1,
1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 0, 1, 1, 0, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 0, 1, 1, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 0, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 0, 1, 1, 4, 1, 1, 1, 2, 2, 1, 1, 1, 4, 1, 1, 0, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 0, 1, 1, 4, 1, 2, 2, 2, 2, 2, 2, 1, 4, 1, 1, 0, 1, 1, 1, 1, 1, 1,
4, 4, 4, 4, 4, 4, 0, 0, 0, 4, 1, 2, 2, 2, 2, 2, 2, 1, 4, 0, 0, 0, 4, 4, 4, 4, 4, 4,
1, 1, 1, 1, 1, 1, 0, 1, 1, 4, 1, 2, 2, 2, 2, 2, 2, 1, 4, 1, 1, 0, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 0, 1, 1, 4, 1, 1, 1, 1, 1, 1, 1, 1, 4, 1, 1, 0, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 0, 1, 1, 4, 1, 1, 1, 1, 1, 1, 1, 1, 4, 1, 1, 0, 1, 1, 1, 1, 1, 1,
1, 0, 0, 0, 0, 0, 0, 0, 0, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0, 0, 0, 0, 0, 0, 0, 0, 1,
1, 0, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 0, 1, 1, 0, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 0, 1,
1, 0, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 0, 1, 1, 0, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 0, 1,
1, 3, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 3, 1,
1, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1, 1, 1,
1, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1, 1, 1,
1, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 1,
1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1,
1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1,
1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1
]
// 0 - pac-dots
// 1 - wall
// 2 - ghost-lair
// 3 - power-pellet
// 4 - empty
const squares = []
//create your board
function createBoard() {
for (let i = 0; i < layout.length; i++) {
const square = document.createElement("div")
square.id = i
grid.appendChild(square)
squares.push(square)
//add layout to the board
if (layout[i] === 0) {
squares[i].classList.add("pac-dot")
}
if (layout[i] === 1) {
squares[i].classList.add("wall")
}
if (layout[i] === 2) {
squares[i].classList.add("ghost-lair")
}
if (layout[i] === 3) {
squares[i].classList.add("power-pellet")
}
}
}
createBoard()
//create Characters
// draw pac-man onto the board
let pacmanCurrentIndex = 490
squares[pacmanCurrentIndex].classList.add("pac-man")
//move pacman
function movePacman(e) {
squares[pacmanCurrentIndex].classList.remove("pac-man")
// switch (e.keyCode) { deprecated
switch (e.key) {
// case 37:
case "ArrowLeft":
if (
pacmanCurrentIndex % width !== 0 &&
!squares[pacmanCurrentIndex - 1].classList.contains("wall") &&
!squares[pacmanCurrentIndex - 1].classList.contains("ghost-lair")
) {
pacmanCurrentIndex -= 1
}
if ((pacmanCurrentIndex - 1) === 363) {
pacmanCurrentIndex = 391
}
break
case "ArrowUp":
// case 38:
if (
pacmanCurrentIndex - width >= 0 &&
!squares[pacmanCurrentIndex - width].classList.contains("wall") &&
!squares[pacmanCurrentIndex - width].classList.contains("ghost-lair")
) {
pacmanCurrentIndex -= width
}
break
case "ArrowRight":
// case 39:
if (
pacmanCurrentIndex % width < width - 1 &&
!squares[pacmanCurrentIndex + 1].classList.contains("wall") &&
!squares[pacmanCurrentIndex + 1].classList.contains("ghost-lair")
) {
pacmanCurrentIndex += 1
}
if (
(pacmanCurrentIndex + 1) === 392
) {
pacmanCurrentIndex = 364
}
break
case "ArrowDown":
// case 40:
if (
pacmanCurrentIndex + width < width * width &&
!squares[pacmanCurrentIndex + width].classList.contains("wall") &&
!squares[pacmanCurrentIndex + width].classList.contains("ghost-lair")
) {
pacmanCurrentIndex += width
}
break
}
squares[pacmanCurrentIndex].classList.add("pac-man")
pacDotEaten()
powerPelletEaten()
checkForGameOver()
checkForWin()
}
document.addEventListener("keyup", movePacman)
//what happens when you eat a pac-dot
function pacDotEaten() {
if (squares[pacmanCurrentIndex].classList.contains("pac-dot")) {
score++
scoreDisplay.innerHTML = score
squares[pacmanCurrentIndex].classList.remove("pac-dot")
}
}
//what happens when you eat a power-pellet
function powerPelletEaten() {
if (squares[pacmanCurrentIndex].classList.contains("power-pellet")) {
score += 10
scoreDisplay.innerHTML = score
ghosts.forEach(ghost => ghost.isScared = true)
setTimeout(unScareGhosts, 10000)
squares[pacmanCurrentIndex].classList.remove("power-pellet")
}
}
//make the ghosts stop flashing
function unScareGhosts() {
ghosts.forEach(ghost => ghost.isScared = false)
}
//create ghosts using Constructor
class Ghost {
constructor(className, startIndex, speed) {
this.className = className
this.startIndex = startIndex
this.speed = speed
this.currentIndex = startIndex
this.isScared = false
this.timerId = NaN
}
}
//all my ghosts
const ghosts = [
new Ghost("blinky", 348, 250),
new Ghost("pinky", 376, 400),
new Ghost("inky", 351, 300),
new Ghost("clyde", 379, 500),
]
//draw my ghosts onto the grid
ghosts.forEach(ghost =>
squares[ghost.currentIndex].classList.add(ghost.className, "ghost"))
//move ghosts randomly
ghosts.forEach(ghost => moveGhost(ghost))
function moveGhost(ghost) {
const directions = [-1, 1, width, -width]
let direction = directions[Math.floor(Math.random() * directions.length)]
ghost.timerId = setInterval(function () {
//if next square your ghost is going to go to does not have a ghost and does not have a wall
if (
!squares[ghost.currentIndex + direction].classList.contains("ghost") &&
!squares[ghost.currentIndex + direction].classList.contains("wall")
) {
squares[ghost.currentIndex].classList.remove(ghost.className, "ghost", "scared-ghost")
ghost.currentIndex += direction
squares[ghost.currentIndex].classList.add(ghost.className, "ghost")
// else find a new random direction to go in
} else direction = directions[Math.floor(Math.random() * directions.length)]
// if the ghost is currently scared
if (ghost.isScared) {
squares[ghost.currentIndex].classList.add("scared-ghost")
}
//if the ghost is currently scared and pacman is on it
if (ghost.isScared && squares[ghost.currentIndex].classList.contains("pac-man")) {
ghost.isScared = false
squares[ghost.currentIndex].classList.remove(ghost.className, "ghost", "scared-ghost")
ghost.currentIndex = ghost.startIndex
score += 100
scoreDisplay.innerHTML = score
squares[ghost.currentIndex].classList.add(ghost.className, "ghost")
}
checkForGameOver()
}, ghost.speed)
}
//check for a game over
function checkForGameOver() {
if (
squares[pacmanCurrentIndex].classList.contains("ghost") &&
!squares[pacmanCurrentIndex].classList.contains("scared-ghost")) {
ghosts.forEach(ghost => clearInterval(ghost.timerId))
document.removeEventListener("keyup", movePacman)
setTimeout(function () {
alert("Game Over")
}, 500)
}
}
//check for a win - change the winning score to whatever you wish
function checkForWin() {
if (score >= 274) {
ghosts.forEach(ghost => clearInterval(ghost.timerId))
document.removeEventListener("keyup", movePacman)
setTimeout(function () {
alert("You have WON!")
}, 500)
}
}
})
</script>
</head>
<body>
<div class="grid"></div>
<h3>Score:<span id="score"></span></h3>
</body>
</html>