| 1 | import { NumberUtils, Utils } from "../Utils";
|
| 2 | export class Retina {
|
| 3 | constructor(container) {
|
| 4 | this.container = container;
|
| 5 | }
|
| 6 | init() {
|
| 7 | const container = this.container;
|
| 8 | const options = container.actualOptions;
|
| 9 | this.pixelRatio = !options.detectRetina || Utils.isSsr() ? 1 : window.devicePixelRatio;
|
| 10 | const motionOptions = this.container.actualOptions.motion;
|
| 11 | if (motionOptions && (motionOptions.disable || motionOptions.reduce.value)) {
|
| 12 | if (Utils.isSsr() || typeof matchMedia === "undefined" || !matchMedia) {
|
| 13 | this.reduceFactor = 1;
|
| 14 | }
|
| 15 | else {
|
| 16 | const mediaQuery = matchMedia("(prefers-reduced-motion: reduce)");
|
| 17 | if (mediaQuery) {
|
| 18 | this.handleMotionChange(mediaQuery);
|
| 19 | const handleChange = () => {
|
| 20 | this.handleMotionChange(mediaQuery);
|
| 21 | container.refresh().catch(() => {
|
| 22 | });
|
| 23 | };
|
| 24 | if (mediaQuery.addEventListener !== undefined) {
|
| 25 | mediaQuery.addEventListener("change", handleChange);
|
| 26 | }
|
| 27 | else if (mediaQuery.addListener !== undefined) {
|
| 28 | mediaQuery.addListener(handleChange);
|
| 29 | }
|
| 30 | }
|
| 31 | }
|
| 32 | }
|
| 33 | else {
|
| 34 | this.reduceFactor = 1;
|
| 35 | }
|
| 36 | const ratio = this.pixelRatio;
|
| 37 | if (container.canvas.element) {
|
| 38 | const element = container.canvas.element;
|
| 39 | container.canvas.size.width = element.offsetWidth * ratio;
|
| 40 | container.canvas.size.height = element.offsetHeight * ratio;
|
| 41 | }
|
| 42 | const particles = options.particles;
|
| 43 | this.linksDistance = particles.links.distance * ratio;
|
| 44 | this.linksWidth = particles.links.width * ratio;
|
| 45 | this.sizeAnimationSpeed = particles.size.animation.speed * ratio;
|
| 46 | const modes = options.interactivity.modes;
|
| 47 | this.connectModeDistance = modes.connect.distance * ratio;
|
| 48 | this.connectModeRadius = modes.connect.radius * ratio;
|
| 49 | this.grabModeDistance = modes.grab.distance * ratio;
|
| 50 | this.repulseModeDistance = modes.repulse.distance * ratio;
|
| 51 | this.bounceModeDistance = modes.bounce.distance * ratio;
|
| 52 | this.attractModeDistance = modes.attract.distance * ratio;
|
| 53 | this.slowModeRadius = modes.slow.radius * ratio;
|
| 54 | this.bubbleModeDistance = modes.bubble.distance * ratio;
|
| 55 | if (modes.bubble.size) {
|
| 56 | this.bubbleModeSize = modes.bubble.size * ratio;
|
| 57 | }
|
| 58 | }
|
| 59 | initParticle(particle) {
|
| 60 | const particlesOptions = particle.options;
|
| 61 | const ratio = this.pixelRatio;
|
| 62 | particle.linksDistance = particlesOptions.links.distance * ratio;
|
| 63 | particle.linksWidth = particlesOptions.links.width * ratio;
|
| 64 | particle.moveDrift = NumberUtils.getRangeValue(particlesOptions.move.drift) * ratio;
|
| 65 | particle.moveSpeed = NumberUtils.getRangeValue(particlesOptions.move.speed) * ratio;
|
| 66 | particle.sizeAnimationSpeed = particlesOptions.size.animation.speed * ratio;
|
| 67 | particle.maxDistance = particlesOptions.move.distance * ratio;
|
| 68 | }
|
| 69 | handleMotionChange(mediaQuery) {
|
| 70 | const options = this.container.actualOptions;
|
| 71 | if (mediaQuery.matches) {
|
| 72 | const motion = options.motion;
|
| 73 | this.reduceFactor = motion.disable ? 0 : motion.reduce.value ? 1 / motion.reduce.factor : 1;
|
| 74 | }
|
| 75 | else {
|
| 76 | this.reduceFactor = 1;
|
| 77 | }
|
| 78 | }
|
| 79 | }
|