diff options
Diffstat (limited to 'js/reveal.js')
| -rw-r--r-- | js/reveal.js | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/js/reveal.js b/js/reveal.js index 1503c06..f2c0e02 100644 --- a/js/reveal.js +++ b/js/reveal.js @@ -85,6 +85,9 @@ var Reveal = (function(){ // Transition style for full page slide backgrounds backgroundTransition: 'default', // default/linear/none + // Number of slides away from the current that are visible + viewDistance: 3, + // Script dependencies to load dependencies: [] }, @@ -1583,15 +1586,15 @@ var Reveal = (function(){ // The number of steps away from the present slide that will // be visible - var threshold = 3; + var viewDistance = config.viewDistance; // Heavily limited on weaker devices if( isMobileDevice ) { - threshold = 1; + viewDistance = 1; } if( isOverview() ) { - threshold = 6; + viewDistance = 6; } for( var x = 0; x < horizontalSlidesLength; x++ ) { @@ -1614,16 +1617,16 @@ var Reveal = (function(){ distance = Math.sqrt( dx*dx + dy*dy ); - verticalSlide.style.display = distance > threshold ? 'none' : 'block'; + verticalSlide.style.display = distance > viewDistance ? 'none' : 'block'; } } else { // Loops so that it measures 1 between the first and last slides - distance = Math.abs( ( indexh - x ) % ( horizontalSlidesLength - threshold ) ) || 0; + distance = Math.abs( ( indexh - x ) % ( horizontalSlidesLength - viewDistance ) ) || 0; - horizontalSlide.style.display = distance > threshold ? 'none' : 'block'; + horizontalSlide.style.display = distance > viewDistance ? 'none' : 'block'; } } |