SpritePacker

SpritePacker is a command-line spritesheet (a.k.a. Texture Atlas) generator written in Elixir.

Supported spritesheet formats

• JSON

Usage

Command Line

$ escript .\sprite_packer -s .\test_sprites\

Options:

Note: Atlas and json data will be generated in "<source>/sprite_packer/"
Options:
    -s, [--src] # source directory of sprites to be packed into atlas
        --algorithm # algorithm to use for packing (default growing binpack algorithm)
        --size      # atlas size(only if using simple binpack algorithm), default 1024x768
    -h #help

Installation

1. Install ImageMagick
2. run mix escript.build (for building commandline application) from the project root.

Test

1. Build the Command-line application.
2. run escript .\sprite_packer -s .\test_sprites\
3. A folder will be generated inside test_sprites(source_directory) with spriteatlas.png and spriteatlas.json

Generated spritesheet from the test

Todo

1. Optimize the Growing binpack algorithm.
2. Support more formats(cross-game engine support)
3. Add a dashboard where users can drag the images, select desired format etc..(in phoenix live-view)