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const imagesLoaded = require('imagesloaded'); /** * Preload images * @param {String} selector - Selector/scope from where images need to be preloaded. Default is 'img' */ const preloadImages = (selector = 'img') => { return new Promise((resolve) => { imagesLoaded(document.querySelectorAll(selector), {background: true}, resolve); }); }; /** * Linear interpolation * @param {Number} a - first value to interpolate * @param {Number} b - second value to interpolate * @param {Number} n - amount to interpolate */ const lerp = (a, b, n) => (1 - n) * a + n * b; /** * Gets the cursor position * @param {Event} ev - mousemove event */ const getCursorPos = ev => { return { x : ev.clientX, y : ev.clientY }; }; export { preloadImages, lerp, getCursorPos, };