class Teaas::VerticalRoller
Public Class Methods
roll(img, options)
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# File lib/teaas/vertical_roller.rb, line 3 def self.roll(img, options) if options[:reverse] img.roll(0, options[:img_height] * ((options[:total_frames] - options[:frame].to_f) / options[:total_frames])) else img.roll(0, options[:img_height] * (options[:frame].to_f / options[:total_frames])) end end