quizEngine/js/game.js
Alexander Popov b8aa4b66af
imagesPreloader
- add draw quest image
- new game progress bar
2021-07-06 09:45:08 +03:00

42 lines
918 B
JavaScript

// функции игры
export function imagePreloader(images, callback) {
let counter = 0;
// norm
function onLoad() {
counter += 1;
if (counter == images.length) callback();
}
let assetsDiv = document.getElementById("assets");
for (let i of images) {
let img = document.createElement('img');
img.onload = img.onerror = onLoad;
img.src = `assets/images/${i}`;
}
}
export function checkAnswer(quest, answer) {
if (quest.rightAnswer.toLowerCase() == answer.toLowerCase()) {
quest.status = true;
}
else
quest.status = false;
}
export function shuffle(array) {
for (let i = array.length - 1; i > 0; i--) {
const j = Math.floor(Math.random() * (i + 1));
[array[i], array[j]] = [array[j], array[i]];
}
}
export function restartGame(game, quests) {
shuffle(quests);
quests.forEach(element => element.status = null);
game.finish = false;
game.currentQuest = 0;
}