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index.js
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index.js
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const buttonElements = document.querySelectorAll('.clickable');
const controlElement = document.querySelector('.control .background');
const controlStatusElement = document.querySelector('.control p');
const scoreElement = document.querySelector('.score');
const highScoreElement = document.querySelector('.high-score');
const container = document.querySelector('.container');
const nightModeButton = document.querySelector('.night-mode-button');
let roundAnswers = [];
let playerAnswers = [];
let difficulty = 4;
let intervalDecrease = 0;
let score = 0;
let highScore = 0;
let waitingPlayerAnswer = false;
let canStartRound = true;
const getRandomValueAtArray = (array) => {
return array[Math.floor(Math.random() * array.length)];
};
const displaySequence = (index) => {
const element = roundAnswers[index];
setTimeout(() => {
element.classList.add('active');
setTimeout(() => {
element.classList.remove('active');
index++;
if (index < roundAnswers.length) {
displaySequence(index);
} else {
waitingPlayerAnswer = true;
controlElement.style.backgroundColor = 'lightblue';
controlStatusElement.innerHTML = 'REPRODUZA';
toggleButtonsCursorStyle();
}
}, 1000 - intervalDecrease)
}, 1000 - intervalDecrease)
};
const callRound = () => {
playerAnswers = [];
controlElement.style.cursor = 'auto';
controlElement.style.backgroundColor = 'yellow';
controlStatusElement.innerHTML = 'OBSERVE';
const loopLimit = difficulty - roundAnswers.length;
for (let i = 0; i < loopLimit; i++) {
const randomValue = getRandomValueAtArray(buttonElements);
roundAnswers.push(randomValue);
}
displaySequence(0);
};
const toggleButtonsCursorStyle = () => {
for (let element of buttonElements) {
element.style.cursor = element.style.cursor === 'pointer' ? '' : 'pointer';
}
};
const revampDifficulty = (toIncrease) => {
if (toIncrease) {
difficulty++;
intervalDecrease = (intervalDecrease < 800) ? intervalDecrease + 10 : intervalDecrease;
} else {
difficulty = 4;
intervalDecrease = 0;
}
};
const updateScore = () => {
scoreElement.innerHTML = score;
highScoreElement.innerHTML = (highScore > 0) ? highScore : '-';
};
const processAnswers = () => {
waitingPlayerAnswer = false;
toggleButtonsCursorStyle();
let allCorrect = true;
for (let i in roundAnswers) {
const properAnswer = roundAnswers[i];
const playerAnswer = playerAnswers[i];
if (properAnswer !== playerAnswer) {
allCorrect = false;
}
}
if (allCorrect) {
controlElement.style.cursor = 'pointer';
controlElement.style.backgroundColor = 'green';
controlStatusElement.innerHTML = 'ACERTOU';
setTimeout(() => {
callRound()
}, 1500);
} else {
controlElement.style.cursor = 'pointer';
controlElement.style.backgroundColor = 'red';
controlStatusElement.innerHTML = 'RECOMEÇAR';
highScore = (score > highScore) ? score : highScore;
canStartRound = true;
}
score = (allCorrect) ? score + 1 : score;
score = (allCorrect) ? score : 0;
updateScore();
revampDifficulty(allCorrect);
};
const processClick = (element) => {
if (!waitingPlayerAnswer) {
return;
}
playerAnswers.push(element);
element.classList.add('active');
setTimeout(() => {
element.classList.remove('active');
}, 750);
const i = playerAnswers.length - 1;
if (playerAnswers[i] !== roundAnswers[i] || playerAnswers.length === roundAnswers.length) {
processAnswers();
}
};
controlElement.onclick = () => {
if (canStartRound) {
callRound();
canStartRound = false;
}
};
nightModeButton.onclick = () => {
container.classList.toggle('night-mode');
container.classList.toggle('day-mode');
};
for (let element of buttonElements) {
element.onclick = () => {
processClick(element);
};
element.onmouseenter = () => {
if (waitingPlayerAnswer && !element.classList.contains('active')) {
element.classList.add('hover');
}
};
element.onmouseleave = () => {
if (waitingPlayerAnswer && !element.classList.contains('active')) {
element.classList.remove('hover');
}
}
}