• Products
  • Solutions
  • Made with Unity
  • Learning
  • Support & Services
  • Community
  • Asset Store
  • Get Unity

UNITY ACCOUNT

You need a Unity Account to shop in the Online and Asset Stores, participate in the Unity Community and manage your license portfolio. Login Create account
  • Blog
  • Forums
  • Answers
  • Evangelists
  • User Groups
  • Beta Program
  • Advisory Panel

Navigation

  • Home
  • Products
  • Solutions
  • Made with Unity
  • Learning
  • Support & Services
  • Community
    • Blog
    • Forums
    • Answers
    • Evangelists
    • User Groups
    • Beta Program
    • Advisory Panel

Unity account

You need a Unity Account to shop in the Online and Asset Stores, participate in the Unity Community and manage your license portfolio. Login Create account

Language

  • Chinese
  • Spanish
  • Japanese
  • Korean
  • Portuguese
  • Ask a question
  • Spaces
    • Default
    • Help Room
    • META
    • Moderators
    • Topics
    • Questions
    • Users
    • Badges
  • Home /
avatar image
4
Question by slimjim2417 · Oct 10, 2012 at 06:42 AM · importblenderfbx

Blender import missing faces please help!!

Hello I always have trouble importing Blender files into Unity. I believe I am using the latest version of both. (Unity 3)I have followed along with other similar questions and answers but just none of them seemed to work.

I am making a FPS game in Unity and I have a Blender gun model and when I import it into Unity a bunch of faces are missing and if I rotate to model the face on the other side appears. I don;t know how to fix this as I purchased the model online. I have tried exporting the file to various files I know work with Unity. If anyone could help it would be truly amazing. Please respond!

Comment
Add comment · Show 1
10 |3000 characters needed characters left characters exceeded
▼
  • Viewable by all users
  • Viewable by moderators
  • Viewable by moderators and the original poster
  • Advanced visibility
Viewable by all users
avatar image jmguillemette · Mar 27, 2015 at 03:03 PM 0
Share

ran into the same problem. $$anonymous$$y wall model is pretty low poly so it was easy for me to flip my normals and attempt to see if this was the cause. So far no luck. It looks like any face that i created using the fill function is missing in the import. If anyone has any thoughts on how to resolve this i would be most grateful.

j.

6 Replies

· Add your reply
  • Sort: 
avatar image
14

Answer by AutoFredrik · Oct 12, 2012 at 09:44 AM

Hi! In games, faces can only be visible on one side. For example, if you have a plane it will look like a large, flat square. But if you look at it from the bottom, it will be invisibe. That's pretty much what happened to your gun model. It's because the "invisible" faces on the model have their normals in the wrong direction.

The following instructions assume that you have some experience with blender. To solve this problem, open up the model in blender. Select the gun mesh and go to edit mode. Select the entire model so it turns orange, then go to the toolbox on the left. Now press Normals > Recalculate. This will recalculate the direction of the normals, and hopefully get them right. But if you have a complex model, the recalculation may not work properly. Then you will need to flip them by hand. I've uploaded a video to youtube of when I modeled a spaceship in blender, and about halfway into the video I got problems with the normals. It's a timelapse video, but you should still be able to see how I fixed the problem. Don't get me wrong, I'm not trying to get people to watch my video, I'm posting the link to help you solve the problem. It should help you find how to recalculate the normals, and how to flip them by hand if neccesary. Anyway, watch it here. Skip to 04:50. Also, to see the flipped normals in blender, change the shading from solid to texture. This is also shown in the video. Rememer that texture shading reqires a light in the scene. Normals can also be displayed through an option in the toolbox that shows up when you press "N". Hope it helps!

Comment
Add comment · Show 1 · Share
10 |3000 characters needed characters left characters exceeded
▼
  • Viewable by all users
  • Viewable by moderators
  • Viewable by moderators and the original poster
  • Advanced visibility
Viewable by all users
avatar image mccannjp · Feb 15, 2014 at 07:13 PM 0
Share

This was helpful to me. Thanks.

  • ‹
  • 1
  • 2

Your answer

Hint: You can notify a user about this post by typing @username

Up to 2 attachments (including images) can be used with a maximum of 524.3 kB each and 1.0 MB total.

Welcome to Unity Answers

If you’re new to Unity Answers, please check our User Guide to help you navigate through our website and refer to our FAQ for more information.

Before posting, make sure to check out our Knowledge Base for commonly asked Unity questions.

Check our Moderator Guidelines if you’re a new moderator and want to work together in an effort to improve Unity Answers and support our users.

Follow this Question

Answers Answers and Comments

21 People are following this question.

avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image

Related Questions

Blender 2.62 FBX not importing 2 Answers

Problem with importing Blender to Unity 1 Answer

problems with mesh deformity when importing from blender 0 Answers

Unity imports fbx and moves the midpoint. HELP 1 Answer

How to fix imported materials 1 Answer


Enterprise
Social Q&A

Social
Subscribe on YouTube social-youtube Follow on LinkedIn social-linkedin Follow on Twitter social-twitter Follow on Facebook social-facebook Follow on Instagram social-instagram

Footer

  • Purchase
    • Products
    • Subscription
    • Asset Store
    • Unity Gear
    • Resellers
  • Education
    • Students
    • Educators
    • Certification
    • Learn
    • Center of Excellence
  • Download
    • Unity
    • Beta Program
  • Unity Labs
    • Labs
    • Publications
  • Resources
    • Learn platform
    • Community
    • Documentation
    • Unity QA
    • FAQ
    • Services Status
    • Connect
  • About Unity
    • About Us
    • Blog
    • Events
    • Careers
    • Contact
    • Press
    • Partners
    • Affiliates
    • Security
Copyright © 2020 Unity Technologies
  • Legal
  • Privacy Policy
  • Cookies
  • Do Not Sell My Personal Information
  • Cookies Settings
"Unity", Unity logos, and other Unity trademarks are trademarks or registered trademarks of Unity Technologies or its affiliates in the U.S. and elsewhere (more info here). Other names or brands are trademarks of their respective owners.
  • Anonymous
  • Sign in
  • Create
  • Ask a question
  • Spaces
  • Default
  • Help Room
  • META
  • Moderators
  • Explore
  • Topics
  • Questions
  • Users
  • Badges