class Teaas::HorizontalRoller

Public Class Methods

roll(img, options) click to toggle source
# File lib/teaas/horizontal_roller.rb, line 3
def self.roll(img, options)
  if options[:reverse]
    img.roll(options[:img_width] * ((options[:total_frames] - options[:frame].to_f) / options[:total_frames]), 0)
  else
    img.roll(options[:img_width] * (options[:frame].to_f / options[:total_frames]), 0)
  end
end