import { isSsr } from "tsparticles-engine"; export class ParallaxMover { init() { } isEnabled(particle) { return (!isSsr() && !particle.destroyed && particle.container.actualOptions.interactivity.events.onHover.parallax.enable); } move(particle) { const container = particle.container, options = container.actualOptions; if (isSsr() || !options.interactivity.events.onHover.parallax.enable) { return; } const parallaxForce = options.interactivity.events.onHover.parallax.force, mousePos = container.interactivity.mouse.position; if (!mousePos) { return; } const canvasCenter = { x: container.canvas.size.width / 2, y: container.canvas.size.height / 2, }, parallaxSmooth = options.interactivity.events.onHover.parallax.smooth, factor = particle.getRadius() / parallaxForce, centerDistance = { x: (mousePos.x - canvasCenter.x) * factor, y: (mousePos.y - canvasCenter.y) * factor, }; particle.offset.x += (centerDistance.x - particle.offset.x) / parallaxSmooth; particle.offset.y += (centerDistance.y - particle.offset.y) / parallaxSmooth; } }