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script.js
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script.js
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const data = {
gameOn: false,
timeout: undefined,
sounds: [],
playerCanPlay: false,
score: 0,
gameSequence: [],
playerSequence: []
};
const gui = {
start: document.querySelector(".game__center-score"),
pads: document.querySelectorAll(".game__pad")
};
const padSounds = [
"audio/simonSound1.mp3",
"audio/simonSound2.mp3",
"audio/simonSound3.mp3",
"audio/simonSound4.mp3"
];
padSounds.forEach(sndPath => {
const audio = new Audio(sndPath);
data.sounds.push(audio);
});
gui.start.addEventListener("click", () => {
restartGame();
});
const padListener = (e) => {
if(!data.playerCanPlay)
return;
let soundId;
gui.pads.forEach((pad, key) => {
if (pad === e.target)
soundId = key;
});
e.target.classList.add("active");
data.sounds[soundId].play();
data.playerSequence.push(soundId);
setTimeout(() => {
e.target.classList.remove("active");
const currentMove = data.playerSequence.length - 1;
if (data.playerSequence[currentMove] !== data.gameSequence[currentMove]) {
data.playerCanPlay = false;
disablePads();
gameOver();
}
else if (currentMove === data.gameSequence.length - 1) {
newColor();
playSequence();
}
waitForPlayer();
}, 250);
}
gui.pads.forEach(pad => {
pad.addEventListener("click", padListener);
});
const startGame = () => {
newColor();
playSequence();
}
const newColor = () => {
data.gameSequence.push(Math.floor(Math.random() * 4));
data.score++;
gui.start.innerHTML = data.score;
}
const playSequence = () => {
let counter = 0,
padOn = true;
data.playerSequence = [];
data.playerCanPlay = false;
changeCursor("auto");
const interval = setInterval(() => {
if(padOn){
if(counter === data.gameSequence.length){
clearInterval(interval);
disablePads();
waitForPlayer();
changeCursor("pointer");
data.playerCanPlay = true;
return;
}
const sndId = data.gameSequence[counter];
const pad = gui.pads[sndId];
data.sounds[sndId].play();
pad.classList.add("active");
counter++;
}
else {
disablePads();
}
padOn = !padOn;
}, 500);
}
const waitForPlayer = () => {
clearTimeout(data.timeout);
data.timeout = setTimeout (() => {
if(!data.playerCanPlay)
return;
disablePads();
playSequence();
}, 5000);
}
const gameOver = () => {
window.alert(`Game over. Your score was ${data.score}. Restarting the game...`);
restartGame();
}
const restartGame = () => {
data.gameOn = true;
gui.start.innerHTML = "0";
data.playerCanPlay = false;
data.score = 0;
data.gameSequence = [];
data.playerSequence = [];
disablePads();
changeCursor("auto");
startGame();
}
const changeCursor = (cursorType) => {
gui.pads.forEach(pad => {
pad.style.cursor = cursorType;
});
}
const disablePads = () => {
gui.pads.forEach(pad => {
pad.classList.remove("active");
})
}