• 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 /
  • Help Room /
avatar image
0
Question by HypnoticOwl · Mar 28, 2018 at 02:50 PM · 2dtilemap

How can I set tilemaps to have same origin and size (without loosing tiles)

I have one tilemap for walls and one for the floor. To use my A* Pathfinder I need to extract a bool[] walkmap. To do this I figured I'd just create a new bool array the size of the tilemaps and iterate through both. However both tilemaps have different origins and sizes!

My first approach was to set the origin of both tilemaps to (0,0,0), call ResizeBounds() to update them before setting the size of both tilemaps to whichever tilemap is now the biggest. Although this did work, I lost all tiles on both tilemaps!


Am I not supposed to change origin & size in a tilemap? Is there anything I'm doing wrong? Or is there a better way to extract a walkmap?


Here is my code:

     void UpdateWalkmap ()
     {
         walls = LevelEditor.GetTilemap(Names.Walls);
         floor = LevelEditor.GetTilemap(Names.Floor);
 
         Tilemap[] tilemaps = new Tilemap[] { walls, floor };
 
         // Unify bounds
         UnifyBounds(tilemaps);

         // Create Walkmap
         //TODO
     }
 
     void UnifyBounds(Tilemap[] tilemaps)
     {
         // Compress bounds
         foreach (Tilemap t in tilemaps)
         {
             t.CompressBounds();
         }
 
         //Unify
         UnifyOrigin(tilemaps);
         UnifySize(tilemaps);

     }
 
     void UnifyOrigin(Tilemap[] tilemaps)
     {
         // Set origin to (0,0,0)
         origin = Vector3Int.zero;
 
         // Set all origins to (0,0,0)
         foreach (Tilemap t in tilemaps)
         {
             t.origin = origin;
             t.ResizeBounds();
         }
     }
 
     void UnifySize(Tilemap[] tilemaps)
     {
         // Set size to biggest in tilemaps
         size = Vector3Int.zero;
         foreach (Tilemap t in tilemaps)
         {
             if (size.x < t.size.x)
                 size.x = t.size.x;
             if (size.y < t.size.y)
                 size.y = t.size.y;
         }
 
         // Set all origins to smalles origin
         foreach (Tilemap t in tilemaps)
         {
             t.size = size;
             t.ResizeBounds();
         }
     }
Comment
Add comment
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

0 Replies

· Add your reply
  • Sort: 

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

208 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 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 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 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 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 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 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 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 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 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

[SEND HELP] Troubleshooting 2D Animated Tile Problem. 0 Answers

Jitter with Tilemap Collider's but no Jitter on standard Box Collider 1 Answer

How to use URP Shader Graph on a tilemap? 1 Answer

Creating a background to have a random shape destroy effect 0 Answers

Why does Unity fills up transparent parts on 16x16 Tiles 0 Answers


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