64 lines
1.8 KiB
JavaScript
64 lines
1.8 KiB
JavaScript
let gamepads = [];
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window.addEventListener('gamepadconnected', (e) => {
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const index = e.gamepad.index;
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let isWaiting = false;
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gamepads[index] = setInterval(async() => {
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if (!opts.js_modal_lightbox_gamepad || isWaiting) return;
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const gamepad = navigator.getGamepads()[index];
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const xValue = gamepad.axes[0];
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if (xValue <= -0.3) {
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modalPrevImage(e);
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isWaiting = true;
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} else if (xValue >= 0.3) {
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modalNextImage(e);
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isWaiting = true;
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}
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if (isWaiting) {
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await sleepUntil(() => {
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const xValue = navigator.getGamepads()[index].axes[0];
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if (xValue < 0.3 && xValue > -0.3) {
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return true;
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}
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}, opts.js_modal_lightbox_gamepad_repeat);
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isWaiting = false;
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}
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}, 10);
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});
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window.addEventListener('gamepaddisconnected', (e) => {
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clearInterval(gamepads[e.gamepad.index]);
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});
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/*
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Primarily for vr controller type pointer devices.
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I use the wheel event because there's currently no way to do it properly with web xr.
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*/
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let isScrolling = false;
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window.addEventListener('wheel', (e) => {
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if (!opts.js_modal_lightbox_gamepad || isScrolling) return;
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isScrolling = true;
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if (e.deltaX <= -0.6) {
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modalPrevImage(e);
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} else if (e.deltaX >= 0.6) {
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modalNextImage(e);
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}
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setTimeout(() => {
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isScrolling = false;
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}, opts.js_modal_lightbox_gamepad_repeat);
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});
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function sleepUntil(f, timeout) {
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return new Promise((resolve) => {
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const timeStart = new Date();
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const wait = setInterval(function() {
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if (f() || new Date() - timeStart > timeout) {
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clearInterval(wait);
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resolve();
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}
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}, 20);
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});
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}
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