Open Unity. Make a new Unity project.
cd to that project's directory.
cd into Assets.
Exit Unity (not vitally necessary but a bit more stable).
git clone [email protected]:arcadia-unity/Arcadia.git
cd Arcadia
git fetch origin
git checkout develop
Reopen Unity.
(You may see an error).
Go to Edit > Project Settings > Player
This will open a new inspector in your Unity UI (with a tab labeled "Inspector").
Click the Other Settings submenu.
Under "Optimization" > API compatibility level, select .NET 2.0 rather than .NET 2.0 subset.
Select .NET 2.0
Look at the Unity console. You should see "Arcadia started!"
IF AND ONLY IF YOU SEE A BUFFER ERROR IN THE CONSOLE:
Quit Unity.
Arcadia/Source/arcadia/repl.clj
Go to line 171
Change the 5000's to 1000's; open Unity.
Install Sublime Text
Go to https://packagecontrol.io/installation#st2
Follow the instructions to install packagecontrol for your version of sublime
Restart Sublime
command-shift p + install package
install sublimerepl