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Fix bug preventing scroll animation from running

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Chuck Dries 2017-02-14 04:27:29 -07:00
parent 9f82dd214c
commit 07fc92369c
1 changed files with 1 additions and 3 deletions
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4
scroll.js
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@ -7,16 +7,14 @@ var targetHeight = null;
var prevHeight = null; var prevHeight = null;
var currentHeight = null; var currentHeight = null;
var startTime = null; var startTime = null;
var count = 0;
/* does some basic checking then calls animate() to do the heavy lifting */ /* does some basic checking then calls animate() to do the heavy lifting */
function smoothScroll(targetId){ function smoothScroll(targetId){
target = document.getElementById(targetId);//grab the element target = document.getElementById(targetId);//grab the element
targetHeight = target.offsetTop; //get its height targetHeight = target.offsetTop; //get its height
currentHeight = getScrollY(); //grab the current scroll position currentHeight = getScrollY(); //grab the current scroll position
prevHeight = null; prevHeight = null;
startTime = null; //we have to reset the start time every time the animation runs startTime = performance.now(); //we have to reset the start time every time the animation runs
if(currentHeight != targetHeight){ if(currentHeight != targetHeight){
count = 0;
window.requestAnimationFrame(animateScroll);//schedule the animation window.requestAnimationFrame(animateScroll);//schedule the animation
} }
} }