To get started with using ARToolKit for Unity on OS X, first visit our Getting Started guide.
Many common issues can be diagnosed by looking at Unity’s Editor.log or Player.log. On OS X, these are located in the folder \~/Library/Logs/Unity/
. The OS X console viewer (`/Applications/Utilities/Console.app1) is a good means of easily viewing these logs.
This is a known issue with Unity 4.x (confirmed on Unity 4.1.x and 4.2.x) when building the standalone OS X player, the StreamingAssets folder from the Unity project is not being correctly copied into the built application bundle. You can confirm this problem by looking for errors in the Unity Player.log which indicate that StreamingAssets folder is missing.
A workaround is to manually copy the StreamingAssets folder into the bundle. To do this: