# Scene & World Building **URL:** https://discussions.unity.com/c/scene-and-world-building/182.md [Latest](https://discussions.unity.com/latest.md) · [Categories](https://discussions.unity.com/categories.md) · [Tags](https://discussions.unity.com/tags.md) --- ## [About the Scene & World Building category](https://discussions.unity.com/t/about-the-scene-world-building-category/1720669)
**Author:** [@osmangormus](https://discussions.unity.com/u/osmangormus)\ **Replies:** 0\ **Last updated:** [May 21, 2026, 11:17am UTC](https://discussions.unity.com/t/about-the-scene-world-building-category/1720669 "2026-05-21T11:17:03Z")
Master level design with ProBuilder, terrain, and scene management. Ask about terrain topology, graybox geometry, and scene transitions. --- ## [Unity Splines (896343)](https://discussions.unity.com/t/unity-splines-896343/896343)
**Author:** [@gabrielw\_unity](https://discussions.unity.com/u/gabrielw_unity)\ **Replies:** 657\ **Last updated:** [August 26, 2026, 1:53am UTC](https://discussions.unity.com/t/unity-splines-896343/896343 "2026-08-26T01:53:41Z")
Welcome to the Splines discussion thread. You can use this thread to ask for help, share feedback, and have discussions about the Splines package. Introduction Splines provides a shared solution for path-based tooli… --- ## [ProBuilder For Final Game Meshes](https://discussions.unity.com/t/probuilder-for-final-game-meshes/1740759)
**Author:** [@purnabratarobo](https://discussions.unity.com/u/purnabratarobo)\ **Replies:** 2\ **Last updated:** [October 30, 2026, 4:04pm UTC](https://discussions.unity.com/t/probuilder-for-final-game-meshes/1740759 "2026-10-30T16:04:49Z")
I wanted to know if it would be okay with using probuilder meshes as the final gameobject ( with texturing done using probuilder’s UV mapping editor). the look i am going for is low poly and probuilder is enough for the … --- ## [Weird bugs with probuilder 6.1.3 with Unity 6.5](https://discussions.unity.com/t/weird-bugs-with-probuilder-6-1-3-with-unity-6-5/1738752)
**Author:** [@wtrebor](https://discussions.unity.com/u/wtrebor)\ **Replies:** 2\ **Last updated:** [October 30, 2026, 2:21am UTC](https://discussions.unity.com/t/weird-bugs-with-probuilder-6-1-3-with-unity-6-5/1738752 "2026-10-30T02:21:49Z")
Perhaps i need to use Unity 6.6 with Probuilder 6.1.3 but I noticed when you move an element (face, vert etc) it accelerates while moving in that direction and then when you try to move backwards, it slowed down going in… --- ## [3d isometric foreground silhouette](https://discussions.unity.com/t/3d-isometric-foreground-silhouette/1740404)
**Author:** [@chenabadi65](https://discussions.unity.com/u/chenabadi65)\ **Replies:** 1\ **Last updated:** [October 26, 2026, 1:19pm UTC](https://discussions.unity.com/t/3d-isometric-foreground-silhouette/1740404 "2026-10-26T13:19:42Z")
Hi everyone! I’m working on a stylized 3D isometric game in Unity 6 using URP, and I’m trying to achieve a specific foreground effect similar to what you can see in games like Hades. I want to place environmental objec… --- ## [How to create an unlit terrain URP Shader](https://discussions.unity.com/t/how-to-create-an-unlit-terrain-urp-shader/1730870)
**Author:** [@Elliotto201](https://discussions.unity.com/u/Elliotto201)\ **Replies:** 3\ **Last updated:** [October 26, 2026, 11:53am UTC](https://discussions.unity.com/t/how-to-create-an-unlit-terrain-urp-shader/1730870 "2026-10-26T11:53:35Z")
Hi, i have a pretty simple question here: how can i create a custom shader for unity terrain. That isnt lit. Atleast not by unitys default lighting but by my own lighting. The only way to make a terrain shader is by mak… --- ## [Areas for improvement regarding the brushes and the placement of vegetation on the terrain](https://discussions.unity.com/t/areas-for-improvement-regarding-the-brushes-and-the-placement-of-vegetation-on-the-terrain/1740306)
**Author:** [@asiertroiti](https://discussions.unity.com/u/asiertroiti)\ **Replies:** 0\ **Last updated:** [October 24, 2026, 12:16pm UTC](https://discussions.unity.com/t/areas-for-improvement-regarding-the-brushes-and-the-placement-of-vegetation-on-the-terrain/1740306 "2026-10-24T12:16:01Z")
A long time ago, I replied to a post on this very forum likely from one of the Unity developers asking users for suggestions on improvements for future versions of Unity. Given the recent layoffs, new hires, and other ch… --- ## [How do Improve in terrain painting](https://discussions.unity.com/t/how-do-improve-in-terrain-painting/1706880)
**Author:** [@pantonipantek](https://discussions.unity.com/u/pantonipantek)\ **Replies:** 8\ **Last updated:** [October 19, 2026, 10:21pm UTC](https://discussions.unity.com/t/how-do-improve-in-terrain-painting/1706880 "2026-10-19T22:21:14Z")
Hi, I recently tried to make a hunting game. It was the first game I wanted to make realistically, not low-poly, so I first tried creating terrain and got stuck for about two weeks without making any progress. The thing … --- ## [Height-based blending can't be enabled?](https://discussions.unity.com/t/height-based-blending-cant-be-enabled/1739794)
**Author:** [@Gillissie](https://discussions.unity.com/u/Gillissie)\ **Replies:** 4\ **Last updated:** [October 19, 2026, 7:40pm UTC](https://discussions.unity.com/t/height-based-blending-cant-be-enabled/1739794 "2026-10-19T19:40:14Z")
On the material, I’m seeing a message that says “height-based blending is disabeld if you have more than four TerrainLayer materials”, but I only have 3 layers defined. Is this a bug? --- ## [Speedtree v10 "Branch spines" exports a single curve!](https://discussions.unity.com/t/speedtree-v10-branch-spines-exports-a-single-curve/1617190)
**Author:** [@olivierth](https://discussions.unity.com/u/olivierth)\ **Replies:** 5\ **Last updated:** [October 13, 2026, 11:24am UTC](https://discussions.unity.com/t/speedtree-v10-branch-spines-exports-a-single-curve/1617190 "2026-10-13T11:24:49Z")
Hi! I’m testing the “Branch spines” export of 2 different scenes. One is from a super custom bush, the other is from the Conifer.spm (sample scene). No matter the export settings, I end up with a single curve (root or … --- ## [Probuilder 6.1.3 is completely broken in unity 6.6](https://discussions.unity.com/t/probuilder-6-1-3-is-completely-broken-in-unity-6-6/1738780)
**Author:** [@nightcoreclen](https://discussions.unity.com/u/nightcoreclen)\ **Replies:** 0\ **Last updated:** [October 9, 2026, 8:02pm UTC](https://discussions.unity.com/t/probuilder-6-1-3-is-completely-broken-in-unity-6-6/1738780 "2026-10-09T20:02:00Z")
i had to downgrade probuilder from 6.1.3 to 6.1.2 because the tool is completely broken. when using the move tool in probuilder the selected vert/edge/face flies out in the distance. im a new user so i cant upload video… --- ## [Darkening some areas](https://discussions.unity.com/t/darkening-some-areas/1738644)
**Author:** [@chenabadi65](https://discussions.unity.com/u/chenabadi65)\ **Replies:** 0\ **Last updated:** [October 8, 2026, 4:02pm UTC](https://discussions.unity.com/t/darkening-some-areas/1738644 "2026-10-08T16:02:14Z")
Hey, I’v been wondering how to darken an area around my main level like in Tunic i have an isometric game and i dont want the outside to be seen. any ideas? --- ## [Issues with oversized imported Asset Store assets and non-1 Transform scale](https://discussions.unity.com/t/issues-with-oversized-imported-asset-store-assets-and-non-1-transform-scale/1738570)
**Author:** [@lh6782003mopn6yi8](https://discussions.unity.com/u/lh6782003mopn6yi8)\ **Replies:** 1\ **Last updated:** [October 8, 2026, 6:59am UTC](https://discussions.unity.com/t/issues-with-oversized-imported-asset-store-assets-and-non-1-transform-scale/1738570 "2026-10-08T06:59:04Z")
I imported some assets from the Unity Asset Store, and these assets are much larger than my player character. I want to resize them, but changing the Transform scale makes the scale value less than 1. I do not want to … --- ## [Splatmap alpha issue](https://discussions.unity.com/t/splatmap-alpha-issue/1738547)
**Author:** [@SmaugTheDaug](https://discussions.unity.com/u/SmaugTheDaug)\ **Replies:** 0\ **Last updated:** [October 7, 2026, 3:10pm UTC](https://discussions.unity.com/t/splatmap-alpha-issue/1738547 "2026-10-07T15:10:40Z")
I created terrain in Gaea as well as splatmaps, but the splatmaps have an issue with the alpha, in that unity can’t read info in any place with an alpha of 0. I have 4 height maps (for each splat map, the example is for … --- ## [How to go about getting references between Scripts on Additive Scenes](https://discussions.unity.com/t/how-to-go-about-getting-references-between-scripts-on-additive-scenes/1738428)
**Author:** [@Dhimis](https://discussions.unity.com/u/Dhimis)\ **Replies:** 6\ **Last updated:** [October 6, 2026, 9:48pm UTC](https://discussions.unity.com/t/how-to-go-about-getting-references-between-scripts-on-additive-scenes/1738428 "2026-10-06T21:48:28Z")
Hello, I’m currently trying my hand on developing a Wario-Ware type game, with multiple minigames starting from a single point. the way I’ve been going about it so far is by having all my Important stuff (Like the Play… --- ## [Grass texture on Terrain looking darker than it should without direct light on it](https://discussions.unity.com/t/grass-texture-on-terrain-looking-darker-than-it-should-without-direct-light-on-it/1738389)
**Author:** [@SimonWTG](https://discussions.unity.com/u/SimonWTG)\ **Replies:** 0\ **Last updated:** [October 6, 2026, 7:46am UTC](https://discussions.unity.com/t/grass-texture-on-terrain-looking-darker-than-it-should-without-direct-light-on-it/1738389 "2026-10-06T07:46:43Z")
Hi there, so I noticed that a grass texture is much darker than the other textures whenever there is no direct light on it. Playing around with Metallic, AO and Smoothness did not fix the issue. Then I notice that even i… --- ## [Hi we need help with errors creating a new world](https://discussions.unity.com/t/hi-we-need-help-with-errors-creating-a-new-world/1737943)
**Author:** [@lugzx1](https://discussions.unity.com/u/lugzx1)\ **Replies:** 1\ **Last updated:** [September 30, 2026, 3:38pm UTC](https://discussions.unity.com/t/hi-we-need-help-with-errors-creating-a-new-world/1737943 "2026-09-30T15:38:56Z")
I’m helping my friend create a new world and we are getting these Errors. This is my friend explained it to me: "After installing the current version of unity for vrchat, i cant create any projects with the new version.… --- ## [Are there plans for a new Unity 6 Worldbuilding / Environment Design learning path?](https://discussions.unity.com/t/are-there-plans-for-a-new-unity-6-worldbuilding-environment-design-learning-path/1736843)
**Author:** [@Kusunoki86](https://discussions.unity.com/u/Kusunoki86)\ **Replies:** 4\ **Last updated:** [September 21, 2026, 4:11pm UTC](https://discussions.unity.com/t/are-there-plans-for-a-new-unity-6-worldbuilding-environment-design-learning-path/1736843 "2026-09-21T16:11:07Z")
Hi Unity team, I am currently learning Unity and I am especially interested in environment design, Terrain Tools, and worldbuilding for small open-world or RPG-style projects. I noticed that several older Unity Learn t… --- ## [Best way to add flat dirt roads on 3D planes with probuilder6 or alternatives](https://discussions.unity.com/t/best-way-to-add-flat-dirt-roads-on-3d-planes-with-probuilder6-or-alternatives/1736971)
**Author:** [@kevennguyen256](https://discussions.unity.com/u/kevennguyen256)\ **Replies:** 1\ **Last updated:** [September 18, 2026, 6:35pm UTC](https://discussions.unity.com/t/best-way-to-add-flat-dirt-roads-on-3d-planes-with-probuilder6-or-alternatives/1736971 "2026-09-18T18:35:58Z")
I know if I create a terrain 3D object, I can paint roads. But the roads i paint always turns out a cloudy/transparent no matter how much i adjust the settings or images. Is there another method? I’ve recently been l… --- ## [Probuilder default material is lost](https://discussions.unity.com/t/probuilder-default-material-is-lost/1736371)
**Author:** [@Elagy\_of\_O](https://discussions.unity.com/u/Elagy_of_O)\ **Replies:** 2\ **Last updated:** [September 11, 2026, 11:07pm UTC](https://discussions.unity.com/t/probuilder-default-material-is-lost/1736371 "2026-09-11T23:07:11Z")
Upgrading from unity 6.4 to 6.6 the default material is lost/deleted/gone. All probuilder made objects are now textureless. This seems to be the only material affected, the Collider, Invisible face, NoDraw and Trigger … --- ## [What is Unity's 3D worldbuilding & other tools strategy for 2026–2027?](https://discussions.unity.com/t/what-is-unitys-3d-worldbuilding-other-tools-strategy-for-2026-2027/1736210)
**Author:** [@jwinn](https://discussions.unity.com/u/jwinn)\ **Replies:** 4\ **Last updated:** [September 10, 2026, 3:00pm UTC](https://discussions.unity.com/t/what-is-unitys-3d-worldbuilding-other-tools-strategy-for-2026-2027/1736210 "2026-09-10T15:00:38Z")
We’ve seen the render pipelines strategy for 2026 and plans around CoreCLR, but there has been radio silence about the Unity tools needed to build 3D worlds. Can we please get an update from Unity regarding: Unity Ter… --- ## [Artist spotlight blog posts are all gone](https://discussions.unity.com/t/artist-spotlight-blog-posts-are-all-gone/1736126)
**Author:** [@Harrenhall](https://discussions.unity.com/u/Harrenhall)\ **Replies:** 0\ **Last updated:** [September 9, 2026, 7:43am UTC](https://discussions.unity.com/t/artist-spotlight-blog-posts-are-all-gone/1736126 "2026-09-09T07:43:00Z")
Before Unity acquired SpeedTree these blogposts/interviews were up, they provided valuable insights into people’s workflows. But I can’t be found anywhere anymore, were they wiped permanently? The only URLs I can find … --- ## [Should we expect SpeedTree to be availabe ever again?](https://discussions.unity.com/t/should-we-expect-speedtree-to-be-availabe-ever-again/1704715)
**Author:** [@Frennzy](https://discussions.unity.com/u/Frennzy)\ **Replies:** 22\ **Last updated:** [September 8, 2026, 11:44pm UTC](https://discussions.unity.com/t/should-we-expect-speedtree-to-be-availabe-ever-again/1704715 "2026-09-08T23:44:53Z")
Hi, please is there any plan to allow users to purchase SpeedTree licenses again? Please do not tell me I just need to purchase via Unity - that does not work, there is endless link loop between SpeedTree and Unity websi… --- ## [A RPG with multiple room](https://discussions.unity.com/t/a-rpg-with-multiple-room/1735789)
**Author:** [@Crendagord](https://discussions.unity.com/u/Crendagord)\ **Replies:** 5\ **Last updated:** [September 8, 2026, 3:43pm UTC](https://discussions.unity.com/t/a-rpg-with-multiple-room/1735789 "2026-09-08T15:43:18Z")
Hello everyone! I’m trying to create a small budget RPG with the classical features: fighting, exploring, selling loot… So the world architecture I would like to set up is the following: City 1 \> Exploring zone(s) \> … --- ## [Physics related environment question](https://discussions.unity.com/t/physics-related-environment-question/1735751)
**Author:** [@ChickenChen79](https://discussions.unity.com/u/ChickenChen79)\ **Replies:** 4\ **Last updated:** [September 6, 2026, 6:50pm UTC](https://discussions.unity.com/t/physics-related-environment-question/1735751 "2026-09-06T18:50:50Z")
Hey everyone ! I’d like to ask a quick question on environments, so Usually in our daily life, we would be able to pick up items, scrunch up papers and use our bedsheets and more, but I am not sure how to make it have p… --- ## [How do you judge if a level actually looks good? Looking for feedback on mine](https://discussions.unity.com/t/how-do-you-judge-if-a-level-actually-looks-good-looking-for-feedback-on-mine/1735862)
**Author:** [@CG\_Monster](https://discussions.unity.com/u/CG_Monster)\ **Replies:** 4\ **Last updated:** [September 6, 2026, 4:59pm UTC](https://discussions.unity.com/t/how-do-you-judge-if-a-level-actually-looks-good-looking-for-feedback-on-mine/1735862 "2026-09-06T16:59:50Z")
I’ve been working on a new stylized environment pack and recently finished a level using the assets from it. Now I’m at the stage where I’ve looked at it for so long that it’s getting harder to judge it myself … --- ## [Terrain Generating with Weird Line](https://discussions.unity.com/t/terrain-generating-with-weird-line/1735810)
**Author:** [@Ghasty0213](https://discussions.unity.com/u/Ghasty0213)\ **Replies:** 2\ **Last updated:** [September 6, 2026, 4:10am UTC](https://discussions.unity.com/t/terrain-generating-with-weird-line/1735810 "2026-09-06T04:10:53Z")
Not entirely sure why there’s a striped line generating? I think it might have to something to do with it connecting a vertex from one end to another though with the xSize and zSize stuff. Excuse the comments I was fo… --- ## [Is SpeedTree already dead? How do I get the value of my money?](https://discussions.unity.com/t/is-speedtree-already-dead-how-do-i-get-the-value-of-my-money/1700247)
**Author:** [@Rowlan](https://discussions.unity.com/u/Rowlan)\ **Replies:** 3\ **Last updated:** [September 5, 2026, 10:21pm UTC](https://discussions.unity.com/t/is-speedtree-already-dead-how-do-i-get-the-value-of-my-money/1700247 "2026-09-05T22:21:58Z")
I’ve been trying to download my purchased SpeedTree library for weeks now before the SpeedTree site gets removed by end of 2025. But all I keep getting is this when I click on download from within my orders history or an… --- ## [Unity splines package causes strange visual glitches](https://discussions.unity.com/t/unity-splines-package-causes-strange-visual-glitches/1735616)
**Author:** [@vitrualacc](https://discussions.unity.com/u/vitrualacc)\ **Replies:** 1\ **Last updated:** [September 4, 2026, 12:18am UTC](https://discussions.unity.com/t/unity-splines-package-causes-strange-visual-glitches/1735616 "2026-09-04T00:18:56Z")
I’m on Unity 2022.3.62f3 and I’m using the latest version of the spline package (older version have this same issue) ive encountered this strange bug (that makes its incredibility difficult to accurately place down sp… --- ## [Calling Randomize() causes Spline Instantiate instances to disappear in build](https://discussions.unity.com/t/calling-randomize-causes-spline-instantiate-instances-to-disappear-in-build/1663844)
**Author:** [@hntb\_adam](https://discussions.unity.com/u/hntb_adam)\ **Replies:** 5\ **Last updated:** [September 3, 2026, 1:54pm UTC](https://discussions.unity.com/t/calling-randomize-causes-spline-instantiate-instances-to-disappear-in-build/1663844 "2026-09-03T13:54:07Z")
Hey not sure if this is a bug or something I’m doing wrong, but I’ve been using SplineInstantiate a lot and this is the first time I’m seeing it. Basically, I programmatically set up splines in Start() that are referenc… [Next page](https://discussions.unity.com/c/scene-and-world-building/182.md?page=1)