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Fix: no parallax scrolling in FF

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Fixed problem with parallax background  not working under FF
This commit is contained in:
Michał Smoliński
2013-09-11 20:41:50 +02:00
parent 2b5c06c4ef
commit 2bd228534b
2 changed files with 3 additions and 6 deletions
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5
js/reveal.js
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@@ -1510,14 +1510,11 @@ var Reveal = (function(){
var horizontalSlideCount = horizontalSlides.length; var horizontalSlideCount = horizontalSlides.length;
var horizontalOffset = -(bgWidth - slideWidth)/(horizontalSlideCount-1) * h; var horizontalOffset = -(bgWidth - slideWidth)/(horizontalSlideCount-1) * h;
dom.wrapper.style.backgroundPositionX = horizontalOffset + 'px';
var slideHeight = parseInt(dom.wrapper.offsetHeight, 10); var slideHeight = parseInt(dom.wrapper.offsetHeight, 10);
var verticalSlideCount = currentVerticalSlides.length; var verticalSlideCount = currentVerticalSlides.length;
var verticalOffset = verticalSlideCount > 0 ? -(bgHeight - slideHeight)/(verticalSlideCount-1) * v : 0; var verticalOffset = verticalSlideCount > 0 ? -(bgHeight - slideHeight)/(verticalSlideCount-1) * v : 0;
dom.wrapper.style.backgroundPositionY = verticalOffset + 'px'; dom.wrapper.style.backgroundPosition = horizontalOffset + 'px ' + verticalOffset + 'px';
} }
//////////////////////////////////// ////////////////////////////////////

4
js/reveal.min.js vendored
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