46 lines
1.1 KiB
JavaScript
46 lines
1.1 KiB
JavaScript
import config from './config.json';
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export function imagePreloader(images, callback) {
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let counter = 0;
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function onLoad() {
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counter += 1;
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if (counter == images.length) callback();
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}
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for (let i of images) {
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let img = document.createElement('img');
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img.onload = img.onerror = onLoad;
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img.src = `assets/images/${i}`;
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}
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}
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export function shuffle(array) {
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// ф
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for (let i = array.length - 1; i > 0; i--) {
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const j = Math.floor(Math.random() * (i + 1));
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[array[i], array[j]] = [array[j], array[i]];
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}
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}
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//
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/**
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* Функция возвращает ориентацию игры в зависимости от размера canvas
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* @param {Object} canvas canvas object
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* @return {Bool} landscape_orientation
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*/
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export function setOrientation(canvas) {
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let landscape_orientation = null;
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if (canvas.width >= canvas.height) landscape_orientation = true;
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else landscape_orientation = false;
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if (config.debug)
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console.log(landscape_orientation ?
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'Set game orientation to landscape' :
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'Set game orientation to portrait');
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return landscape_orientation;
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}
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