Files
CustomLibs/JS/JustifedGallery/assets/js/lib/gallery/effects/lens.js

37 lines
1.5 KiB
JavaScript

export default function enableLensEffect(container) {
container
.querySelectorAll('.hover-lens')
.forEach(link => {
const img = link.querySelector('img');
if (!img) return;
link.addEventListener('mousemove', e => {
const rect = link.getBoundingClientRect();
const x = e.clientX - rect.left;
const y = e.clientY - rect.top;
link.style.setProperty('--lens-x', `${x}px`);
link.style.setProperty('--lens-y', `${y}px`);
link.style.setProperty('--lens-bg', `url(${img.src})`);
link.style.setProperty(
'--lens-pos',
`${(x / rect.width) * 100}% ${(y / rect.height) * 100}%`
);
link.style.backgroundImage = `url(${img.src})`;
});
link.addEventListener('mouseenter', () => {
const rect = link.getBoundingClientRect();
link.style.setProperty('--lens-bg', `url(${img.src})`);
link.style.setProperty('--lens-pos', `center center`);
link.style.setProperty('--lens-x', `${rect.width / 2}px`);
link.style.setProperty('--lens-y', `${rect.height / 2}px`);
link.classList.add('active');
});
link.addEventListener('mouseleave', () => {
link.classList.remove('active');
link.style.removeProperty('background-image');
});
});
}