https://www.spektrume.de/wp-content/themes/spek-custom/js/animations.js?ver=7.1.2

1/* Script for theme animations */
2
3var vh = Math.max(document.documentElement.clientHeight || 0, window.innerHeight || 0) / 100;
4var winheight = window.innerHeight;
5var anispekOffset = 30 * vh;
6
7
8jQuery(document).ready(function ($) {
9    $('body').addClass('jsloaded');
10
11    $('.anispek.always-fire').each(function () {
12        let $this = $(this);
13        $this.addClass('anispek-fired');
14
15    });
16
17    anispekCheck();
18    $(window).scroll(anispekCheck);
19    /*viewportVideoContainerCheck();
20    $(window).scroll(viewportVideoContainerCheck);*/
21
22
23    function anispekCheck() {
24        $('.anispek').each(function () {
25            let $this = $(this);
26            if ($(window).scrollTop() + winheight - anispekOffset >= $this.offset().top) {
27                if (!$this.hasClass('anispek-fired')) {
28                    $this.addClass('anispek-fired');
29                }
30            }
31        });
32    }
33
34    /*function viewportVideoContainerCheck() {
35
36        if (screen.width > 767) {
37            $('.spek-text-video-container').each(function (index) {
38                let $this = $(this);
39                if (($(window).scrollTop() + winheight - anispekOffset >= $this.offset().top) && ($(window).scrollTop() + anispekOffset >= $this.offset().bottom)) {
40                    console.log("scroll: " + $(window).scrollTop() + winheight - anispekOffset);
41                    console.log("element top: " + $this.offset().to);
42                    $this.addClass('vtc-show-text-container');
43
44                } else {
45                    $this.removeClass('vtc-show-text-container');
46                }
47            });
48        }
49
50        jQuery(window).on('resize', function () {
51            if (screen.width < 767) {
52                $('.spek-text-video-container').each(function (index) {
53                    let $this = $(this);
54                    $this.removeClass('vtc-show-text-container');
55                });
56            }
57        });
58    }*/
59});
60
61jQuery(window).on('resize', function () {
62    vh = Math.max(document.documentElement.clientHeight || 0, window.innerHeight || 0);
63    winheight = window.innerHeight;
64});