Merge pull request #1434 from mikemellor11/master

stops parallax failing if only the single horizontal slide and multiple vertical
2015-11-19 09:51:37 +01:00 · 2015-11-19 09:51:37 +01:00 · 31550d09e4
parent 833622edcd 3e42929f90
commit 31550d09e4
1 changed files with 1 additions and 1 deletions
--- a/js/reveal.js
+++ b/js/reveal.js
@ -2798,7 +2798,7 @@
 				horizontalOffsetMultiplier = config.parallaxBackgroundHorizontal;
 			}
 			else {
-				horizontalOffsetMultiplier = ( backgroundWidth - slideWidth ) / ( horizontalSlideCount-1 );
+				horizontalOffsetMultiplier = ( horizontalSlideCount-1  > 0) ? ( backgroundWidth - slideWidth ) / ( horizontalSlideCount-1 ) : 0;
 			}

 			horizontalOffset = horizontalOffsetMultiplier * indexh * -1;