@@abhinavangirekula3339 Thanks!! I appreciate the support. I’d like to start making video again when I get the chance.

@@mickssss there are a lot of possible ways you can run into this problem. If you’re using a Mesh Collider for your ground tiles then it’s possible the vertex positions need to be updated to be exactly the same between tile edges. Also the normals on those vertices might need to be fixed depending on your if your movement scripts use them. If possible I’d make simple tiles using box colliders to avoid having to deal with the 3D meshes.

Hi BerlinKoeln I'm not sure what issue you ran into, but I just tried using a blender model in Unity 2022 LTS in the Particle System and it worked for me. The only thing I noticed is the Particle System takes just 1 mesh so you'll need to expand your blender file in the Unity Project window and drop the mesh and material onto the particle system. If your blender file is made up of multiple meshes you'll need to make a version where they are combined into 1 mesh so the whole model gets used by the particle system.

@@vectorbread thanks for reply. When i add the mesh from my blender file, there is no emission at the particle effect. I see no particles.

@@BerlinKoeln If you drop the blender model into the scene on its own outside of the particle system do you see it? The few times I had trouble with Unity and Blender files was because Unity couldn't find the Blender program on my computer and the models would not appear at all in scene. Also sometimes I have to adjust the scale factor on my Blender files in Unity so they aren't way too big or way too small and appear. Older versions of Blender would import into Unity 100x off from the size they should be.

The answer is yes and no. You can build your own script that will generate optimized box colliders from your tilemap (it's not easy), or you can extract the mesh from the tilemap and use it in a mesh collider (which is unoptimized, but still better than the example in this video) Best option to me is to use an asset on the Asset Store called Autotiles 3D

100% agree!

Thanks! Yeah if you `Instantiate()` your prefabs with the Tilemap as the parent and use the Tilemap's `GetCellCenterWorld()` function to calculate the world position of the prefabs.

@@vectorbread ooh that does work, thanks for the fast response !

Totally agree. I would love to see some more videos on this subject from you. Great work!

Great question unfortunately I don't know of a better approach yet. Ideally Unity will come out with a version of the Tilemap with 3D in mind which has a more natural way to handle multiple levels.

Hi Phatly the Tilemap Collider 2D only works for with the other 2D Colliders and if you have 3D models like the above video then you probably can't use it. You will probably want to use regular 3D Colliders on the individual game objects.

Yes they are still loaded by the computer. If you wanted to improve performance you could write a script to group the cubes into chunks and hide / show the chunks depending on the distance / direction from the camera. But I would avoid adding this extra logic until you start seeing issues in performance. Usually the computer can handle a lot more cubes than we'd expect.

@@vectorbread thks

No its not optimized like 2D. I'd love for Unity to release an update with true Tilemap support for 3D. But you'll probably be surprised how far this unoptimized approach will go in a lot of games it will work fine. If you do run into issues the first optimization I would try is writing a script to group the tiles into chunks and hide and show chunks based on how close they are to the player.