Library/cache directory

Hi,

Unity keeps a Library/cache directory under the project, which seems to store textures among other things. Is this directory vital? Can it be easily regenerated if removed?

Thanks!

 

Your project is a combination of the Assets and Library folder. Loose one and you're in trouble.

 

Unity uses those folders (Library and Temp) to store data about your project and how/where things are being used. If you go and modify anything in there you then break Unity's "knowledge chain" and as such your project will quite likely begin to misbehave. So do NOT touch the contents of those folders else you shall incur much pain and project breakage.

Note: after quitting Unity, or after opening another project, you can safely delete the Temp folder if desired but in general it's best to let Unity handle the clean-up process to avoid any hiccups.

 

I see. So is there no way to regenerate the cache directory from within Unity if removed? I ask because I like using git for version control, and most (if not all) of the stuff stored there are binary files, so it makes it impossible to have branches and merge them afterward.

 

Dragging up an old post

I'm interested in this myself. I use SVN, and was wondering if I can leave these folders out of the repo. I guess I need all the files under Library/cache ?

 

Hello Peter,

On Unity Pro, you can just enable external vcs support and won't need to version that directory.

On Unity Free, you'll need to version the Library directory as well I'm afraid, but of course you won't be able to merge it:

http://answers.unity3d.com/questions/11075/how-does-unity-free-source-control-go-wrong

 

Thanks Arges - since I am using SVN basically as a backup at the moment and don't see any immediate need to merge, I think I should be ok.

 

This directroy can be delete？

 

I wrote a script to play 2d animation, I cut into a multi-frame images to animation playback, each frame of the picture size is about 30kb, but when I set its format after the truecolor image size becomes 600kb, pass into the error of the Texture collection!
But in the pc will not run on an error, but the error will be output in ios! Even can not get into the game!
What untiy 3d stored in a collection of things is limited in size?
Thank you!

 

Isn't there a way to flush the caches/previews from the Library directory?

 

Interested to know how the size of the cache folder can be reduced. It has become rather big for a small project.

 

Stop using assets that need to be converted and heavier post processed then the cache won't explode. use png, dds and fbx, do not touch PSD or Max / maya / c4d / blender etc that lead to reexport in the corresponding application

 

So far, my image files are in PNG.. and model in FBX. The only thing I have included is the substance material.. Is that the cause?

 

unlikely

another thing that ramps extremely naturally are terrains ... at a 1024x1024++ heightmaps and detail maps they can easily account for 50-100mb per terrain depending on how much you do splatmap and object painting wise

 

There are some different views regarding the requirement of the 'Library/cache' folder:
http://answers.unity3d.com/questions/21065/which-folders-in-a-unity-project-are-critical-fold.html

It would be nice to have a conclusive answer about this.

 

My Library folder is about 1.5 Gb... any chances to decrease it's size?

 

Hello,

I just switched from a 2008 MBP running Lion to a MBP Retina running mountain lion. I have finally got everything to work (almost) on my new computer for my project except, the scripts. For some reason the scripts that I had for my first person shooter (tied in to the actual character) have "edited" themselves. The character was able to rotate instead of strafe, now it just strafes. Any idea where the tie in/path for scripts is located so I can fix it?

Much Thanks!