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caseypugh/package.js

Created August 25, 2014 22:32
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Package scrolling bg select
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package.js
var total_height = 2000
var container_height = 300
var package_height = 35
var container_ypos = 0 // starting at top
// value between 0 and 1
var scrollbar_pos = container_ypos / (total_height - container_height)
var selected_package = Math.floor(container_ypos + (container_height * scrollbar_pos)) / package_height)
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