https://visapourlimage.com/wp-content/themes/uncode/library/js/rowParallax.js?ver=1308474005

1(function($) {
2	"use strict";
3
4	UNCODE.rowParallax = function(){
5
6	if ( SiteParameters.is_frontend_editor || SiteParameters.smoothScroll !== 'on' ) {
7		return;
8	}
9
10	var $rows = $('.parallax-move'),
11		stableHeight = UNCODE.wheight;
12	$rows.each(function(){
13		var $row = $(this),
14			_row = $row[0],
15			dataMove = $row.attr('data-parallax-move'),
16			dataSafe = $row.attr('data-parallax-safe'),
17            rowInViewport = false,
18			trans;
19
20		if ( $row.find('.parallax-move').length ) {
21			return;
22		}
23
24		dataSafe = typeof dataSafe === 'undefined' ? '' : dataSafe;
25		dataMove = typeof dataMove === 'undefined' || dataMove === '' ? 3 : dataMove;           
26        dataMove = dataMove / 10;
27
28        if ( 'IntersectionObserver' in window ) {
29			var observer = new IntersectionObserver(function(entries) {
30	
31				entries.forEach(function(entry){
32					if ( entry.isIntersecting ) {
33						rowInViewport = true;
34					} else {
35						rowInViewport = false;
36					}
37				});
38	
39			}, { 
40				root: document,
41			});
42	
43			observer.observe(_row);
44		} else {
45            rowInViewport = true;
46		}
47
48		var loopRAF = function() {
49			if( rowInViewport ) {
50				var bound = _row.getBoundingClientRect(),
51					bound_top = bound.top,
52					bound_height = bound.height,
53					move = true,
54					scrolled = window.pageYOffset || window.document.documentElement.scrollTop,
55					docH = Math.max( document.body.scrollHeight, document.body.offsetHeight, 
56						document.documentElement.clientHeight, document.documentElement.scrollHeight, document.documentElement.offsetHeight ),
57					fromBottom = docH - (scrolled + bound_top + bound_height);
58
59                if ( bound_height > stableHeight && dataSafe === 'yes' ) {
60                    $row.find('>div').css({
61                        'transform':'none'
62                    });
63                    move = false;
64				}
65
66				if ( UNCODE.wwidth < SiteParameters.smoothScrollQuery ) {
67					$row.find('>div').css({
68						'transform':'none'
69					});
70					move = false;
71				}
72
73				if ( move ) {
74
75					if ( fromBottom < stableHeight ) {
76						//maybe Footer
77						trans = (stableHeight - (bound_top + bound_height + fromBottom))*(dataMove);
78                    } else if ( scrolled + bound_top < stableHeight ) {
79						//maybe Header
80						trans = scrolled*(dataMove);
81					} else {
82						trans = (((stableHeight/2) - (bound_top + (bound_height/2)))*dataMove);
83					}
84
85                    $row.find('>div').css({
86                        'transform':'translateY(' + (trans) + 'px) translateZ(0)',
87                    });
88                }
89			}
90	
91			requestAnimationFrame(loopRAF);
92		};
93		
94		requestAnimationFrame(loopRAF);
95
96	});
97
98	$(window).on( 'load resize', function(e) {
99		if ( ! UNCODE.isMobile ) {
100			stableHeight = UNCODE.wheight;
101		}
102	});
103
104	$(window).on( 'load wwResize', function(e) {
105		if ( UNCODE.isMobile ) {
106			stableHeight = UNCODE.wheight;
107		}
108	});
109
110}
111
112
113})(jQuery);