Langton's Ant using SDL2

A simple implementation of Langton's Ant using SDL2.

• About Langton's Ant

Prequisites

Supported builds

• Windows (MSYS2+MinGW)
• Linux

Packages required

Name	MinGW32/64	Linux
gcc	mingw-*-*-gcc	gcc
make	mingw-*-*-make	make
CMake	mingw-*-*-cmake	cmake
SDL2	mingw-*-*-SDL2	libsdl2-dev
JsonCpp	(included)	libjsoncpp-dev

Build (MSYS2/Linux)

Configure

cd langton/build
cmake .. -G 'MSYS Makefiles'
cd ..

Build & run

cd build ; cmake --build . ; cd ..
build/langton

Configure

The size of the grid, the number of ants, and the behavior of the ants can be changed by editing langton.json.

Some examples

Islands and highways

{
  "langton_colony": {
    "ants": [
      { "x": 100, "y": 80, "turn": [ "left", "right", "left" ]  },
      { "x": 200, "y": 120, "turn": [ "left", "left", "right" ]  }
    ],
    "grid" : { "height": 200, "width": 300 }
  }
}

Framed picture

{
  "langton_colony": {
    "ants": [
      { "x": 150, "y": 80, "turn": [ "left", "left", "right", "left" ]  },
      { "x": 150, "y": 120, "turn": [ "right", "right", "left", "right" ]  },
	    { "x": 299, "y": 199, "turn": [ "ahead", "back", "wait", "random" ]  }
    ],
    "grid" : { "height": 200, "width": 300 }
  }
}

Territories

{
  "langton_colony": {
    "ants": [
      { "x": 100, "y": 100, "turn": [ "random", "wait", "wait" ]  },
      { "x": 100, "y": 100, "turn": [ "wait", "random", "wait" ]  },
      { "x": 100, "y": 100, "turn": [ "wait", "wait", "random" ]  }
    ],
    "grid" : { "height": 200, "width": 300 }
  }
}

Triangles

{
  "langton_colony": {
    "ants": [
      { "x": 100, "y": 100, "turn": [ "ahead", "hard left", "back" ]  }
    ],
    "grid" : { "height": 200, "width": 300, "type": "hex" }
  }
}