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improve animation performance

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the reason for a bad animation performance might not have been the scroll animation capabilities of velocity.js but that I forgot to use the hardware accelerated 'translateY' instead of 'top' for the animation.
This commit is contained in:
Felix Niklas 2014-08-28 18:08:23 +02:00
parent 4e1ce2425c
commit 8c47a9a6ac
1 changed files with 6 additions and 6 deletions
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12
app/assets/javascripts/app/controllers/ticket_zoom.js.coffee
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@ -753,8 +753,8 @@ class ArticleView extends App.Controller
easing: 'easeOutQuad'
)
metaTop.velocity({ top: 0, opacity: 0 }, animSpeed, 'easeOutQuad', -> metaTop.addClass('hide'))
metaBottom.velocity({ top: -metaBottom.outerHeight(), opacity: 0 }, animSpeed, 'easeOutQuad', -> metaTop.addClass('hide'))
metaTop.velocity({ translateY: 0, opacity: 0 }, animSpeed, 'easeOutQuad', -> metaTop.addClass('hide'))
metaBottom.velocity({ translateY: -metaBottom.outerHeight(), opacity: 0 }, animSpeed, 'easeOutQuad', -> metaTop.addClass('hide'))
metaTopClip.velocity({ height: 0 }, animSpeed, 'easeOutQuad')
metaBottomClip.velocity({ height: 0 }, animSpeed, 'easeOutQuad')
else
@ -771,11 +771,11 @@ class ArticleView extends App.Controller
)
metaTop
.velocity({ top: metaTop.outerHeight(), opacity: 0 }, 0)
.velocity({ top: 0, opacity: 1 }, animSpeed, 'easeOutQuad')
.velocity({ translateY: metaTop.outerHeight(), opacity: 0 }, 0)
.velocity({ translateY: 0, opacity: 1 }, animSpeed, 'easeOutQuad')
metaBottom
.velocity({ top: -metaBottom.outerHeight(), opacity: 0 }, 0)
.velocity({ top: 0, opacity: 1 }, animSpeed, 'easeOutQuad')
.velocity({ translateY: -metaBottom.outerHeight(), opacity: 0 }, 0)
.velocity({ translateY: 0, opacity: 1 }, animSpeed, 'easeOutQuad')
metaTopClip.velocity({ height: metaTop.outerHeight() }, animSpeed, 'easeOutQuad')
metaBottomClip.velocity({ height: metaBottom.outerHeight() }, animSpeed, 'easeOutQuad')