SpriteGluer

SpriteGluer.rb

# Usage:
# Place the script in the directory with all the images, tweak `prefix` and `output` and just run it.

require 'rubygems'
require 'RMagick'
include Magick

Image_dims = 96
prefix = 'swordskel attack'
output = 'p_dying'
output_fname = output + '_big.bmp'
# If the animation has too many frames, take every even one
#nums = %w( 0 2 3 5 6 7 9 11 )
# Otherwise, just use the simple progression
nums = (0..7).to_a.map(&:to_s)
dirs = %w( n ne e se s sw w nw )

Canvas = Image.new( 768, 768 ) { self.background_color = "black" }
puts 'Starting the script'

def draw_image( dir, num, image )
  offset = 0
  Canvas.store_pixels( num * Image_dims,
                       dir * Image_dims,
                       Image_dims,
                       Image_dims,
                       image.get_pixels(offset,offset,Image_dims,Image_dims) )
end

dirs.each_index do |dir|
  puts "For dir #{dirs[dir]}..."
  nums.each do |num|
    n = (num.to_i < 10) ? '0'+num : num
    image_name = "#{prefix} #{dirs[dir]}00#{n.to_s}.bmp"
    puts "Trying to push file \"#{image_name}\" to the ImageList"
    draw_image( dir, nums.rindex(num), (Image.read(image_name))[0] )
  end
end

#Canvas.display
Canvas.write( output_fname )

exit