normal-map

Command line tool and Ruby library for generating normal maps.

Generates DOT3 bump maps, also known as normal maps, for use in 3D computing.

Installation

Add this line to your application's Gemfile:

gem 'normal_map'

And then execute:

$ bundle

Or install it yourself as:

$ gem install normal_map

Command Line Usage

Generate a normal map from a regular full-color image:

Usage:
  normal-map generate [options] COLORS NORMALS

Options:
  -s, [--smooth]    # Average adjacent pixels to produce a smoother map
  -d, [--diagonal]  # Consider diagonally-adjacent pixels in normal 
                      calculations
  -w, [--wrap]      # Wrap edge pixels to the opposite edge, to make the 
                      map more tile-friendly

Generates a normal map from COLORS and saves it to NORMALS

Contributing

1. Fork it
2. Create your feature branch (git checkout -b my-new-feature)
3. Commit your changes (git commit -am 'Added some feature')
4. Push to the branch (git push origin my-new-feature)
5. Create new Pull Request