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Questions tagged [terrain]

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Used to describe the physical geography of a location. This can include elevation, slope and orientation of features.

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Terrain texture

Here I've made a terrain Well and terrain's texture looks very boring. Somehow I need to make a texture that looks like the picture below (picture from the game STALKER). I'm not an artist, so I ...
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Terrain deformation via mouse in real time using OpenGL

The main problem I’m facing is how I can, given a spot on a terrain mesh (x and z coordinates) change the mesh so that the surrounding points also change height but will be less affected. What’s ...
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Sea is higher than land when importing large real world terrain

I am trying to import some real world terrain into Unity with the help of Global Mapper. The data I am using is download from CGIAR SRTM(http://srtm.csi.cgiar.org/,http://srtm.csi.cgiar.org/srtmdata/)....
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Projecting grid textures to select parts of the terrain (Unity)

So I'm trying to be smart and not use 500+ some tile prefabs to make a grid, and so far the back-end portion has gone swimmingly. I initially used a dedicated mesh to represent the grid, but as I'm ...
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86 views

How to make many perlin noise function match

I am trying to create procedural terrain using Perlin noise here is what I have so far: I create "Chunks" of a fixed size using a Perlin noise function, each chunk is a flat mesh (like a plane). ...
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132 views

Setting vertex colors for a marching cubes mesh

I am making a voxel based terrain system (Yes, I know, very original...), anyway... Each voxel should have it's own color so the player can distinguish which type of material it is. For example: dirt ...
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2D Terrain Modification/Expansion?

I have a problem which I don't really know what to call, and I would like to apologize in advance for perhaps the misleading title. Let's say I break a few objects in the 2D game and they scatter ...
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Multithreading or compute shaders for procedurally generated terrain

I'm trying to code a game in Unity with a procedurally generated terrain that is divided into chunks. Is it faster to use multithreading or compute shaders to generate the terrain and mesh? If it ...
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Perhaps all the settings that apply to prefab apply to terrain.terrainData settings?

I have a brush widget in which the following settings: Can I apply all these settings to terrain.terrainData? Common settings terrainData and ...
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43 views

Where can I find an accurate map of Earth for a real-time third-person game?

I want to create a game that will allow the player to move to any place on Earth. The game will not be first-person, but it will be possible to zoom in quite close nonetheless. What I am lacking is an ...
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Removing detail in terrain grid where it's not needed

Let's say I have a terrain system which uses a brute force approach to rendering; a typical regularly spaced grid which covers the whole area, and there's no level of detail system. One possible ...
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Question about CDLOD quad tree

I have been digging and researching into CDLOD and there are some things I dont understand. https://github.com/fstrugar/CDLOD/blob/master/cdlod_paper_latest.pdf states: The quadtree structure is ...
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Performance problem with chunked LOD

I managed to create Zoomable planet. When I get closer to it the respective chunks are splitting and every split holds 4 x 16x16 grid (1024 verts). When getting closer the respective chunks split ...
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Generating lakes and rivers on 2D grid

I recently posted a question about how to technically represent a generated terrain similar to the game kingdoms and castles. I got some great advice and decided to create a 1x1 cube at each ...
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Trying to Rotate terrain

I'm new to OpenGL and don't really know how to rotate a terrain. For my graphics class, I have a project I need to do that is making a tire using OpenGL and work that we done in class (my framework is ...
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Rendering detailed martian terrain for an RTS

I am trying to develop a RTS game that has: Various planets Each planet topology could vary between chock full of craters, to smooth hills and mountains planets In sum each "biome" should be unique-...
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What's the most efficient way to create underground layers of procedural terrain?

Background information I am in the process of making a game engine so I have complete, explicit control over everything, anything is an option. I desire to make procedurally generated 3D terrain. It'...
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how to make a seemingly endless backdrop in Unity

Potential solution at the bottom. I have a rocket which flies straight up, as it gets higher you can see the edge of the terrain. I want the rocket to eventually leave the atmosphere and then the ...
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42 views

Derivatives usage in FBM core

So I learned now about derivatives and fbm, but can not figure out the effect of this code example (credits https://www.iquilezles.org/www/articles/morenoise/morenoise.htm, bottom of page): ...
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Recommended data structure for storage and fast access of infinite chunk-based heightmap terrain

I'm aiming to create a chunk based heightmap terrain in Unity. I already have a basic multifractal simplex noise set up and working, able to generate heightfields and meshes at runtime... but only ...
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Capping neighbour height difference on heightmap?

I am generating a heightmap with some basic perlin noise but I need to cap the differences between each neighbouring value. A cardinal neighbour can only be ...
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159 views

Unity Seamless Terrain

I am programmatically generating terrain using unity's terrain object and assigning height maps to it via the terrainData, the problem is that there are seams even when using the GroupingId(which is ...
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Least expensive way to build a forest in Unity3D?

I'm a programmer with some experience in Unity. My objective is to make a game (or maybe just a virtual space you can walk around in First Person perspective) featuring a forest and to make it look as ...
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159 views

Mapping noise to sphere surface

I'm attempting to create a sphere with terrain (aka planet). I managed to procedurally create an icosahedron, and I am able to subdivide it (yay), but now I'm stuck on terrain. My current idea was to ...
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LWJGL 3 - problem with flickering when rendering terrain with colors

For while now I m trying to built a terrain generator for my game engine and again I'm stuck with problem. I'm trying to generate a terrain using colors, so no textures. In short my problem is ...
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How can I destroy trees when placing a building in an RTS?

I am developing RTS game. When I build buildings on the Terrain, any trees that were in that location end up intersecting with the building. I want to remove all trees from the building's footprint ...
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Procedurally generate regions on island

I currently have islands that look like this: And I want to procedurally subdivide it into regions, like this: What algorithm does what I'm looking for? Do you have suggestions on how to create ...
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118 views

How can I get old Minecraft style terrain biome selection?

I'm using this post as a reference for what I'm doing. The real thing of interest is this: As you can see, this is a Whittaker diagram, with temperature and rain considerations. So would this be ...
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605 views

Procedurally generating non tile based top down 2d game worlds

I’ve been fascinated by procedural generation for over two years now. I have played around with many types of noise generation and even wrote some myself. I’ve been looking into water erosion and ...
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Midpoint displacement generating unsatisfactory terrain

Following this lesson for implementing mid-point displacement algorithm for terrain generation. I aim at generating a wavefront(obj) file of the terrain I have an array of dimension (2^n + 1) x (2^n +...
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Voxel terrain generation performance problems

I am trying to create a minecraft clone to practice some stuff in Unity including Raycasting, terrain generation and player controlls. Terrain is generating without any problem with a perlinNoise. ...
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150 views

Performance of delta force-esque voxel terrain

I've been reading about voxel terrain lately and often see people asserting that it will absolutely kill performance. What I don't understand is how games like Delta Force managed to have smooth ...
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103 views

how do I tile this generated terrain infinitely around the player?

i made a script that instantiates cubes with for loops and perlin noise. is there any way i can tile this infinitely around the player? here is the script for the generation of one tile ...
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253 views

Diamond Square Algorithm - How to fix horrible diamond shaped artefacts and spikes?

I was attempting to follow this article explaining the implementation of a wrapping version of the diamond square algorithm. I tried running it with dimensions of 128x128 and a "feature size" of 16, ...
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Procedural terrain generation is very slow

I've been trying to create procedural generated 2d terrain (similar to a game like Terraria) using Simplex noise. I was able to get the noise function working, and I set up a grid of 16 by 16 tiles ...
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How to avoid the cutoff of a Sprite when overlapping in a terrain?

I have a scene where I have a terrain as a PlaneGeometry. And I'm trying to locate a building on it as Sprite. But I'm not able to put that building/sprite centered on the terrain without getting a ...
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XNA 4.0 C# How to draw cube with the index method

EDIT NOTE: I was trying to impliment indexing to my code instead of instancing. I left the indexing method because in my case, I don't need to use it. Preview Untill now I have drawed my cube with ...
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60 views

3d game terrain creation approach

I want to create a terrain/world map for my 3d game. I want a huge map. For example, ill make it in Blender or generate from a heightmap. Then I plan to divide it in chunks so I can load/unload and ...
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Unity Shader: Make water on terrain transparent without fading

I want to create a shader for a terrain to make the water fully transparent but not invisible or faded. In this example I would want the purple square to be seen through water but not through the ...
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286 views

Unity3d getting terrain height

I am making an RTS game in unity like Total War games. As for rendering I am using Graphics draw mesh instanced method and after culling a I can easily render massive amount of soldiers on battlefield ...
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316 views

Workflow for creating spherical heightmaps

I'm wondering how I can create a spherical heightmap. In my ideal workflow, you'd see a 3D sphere that you can edit using procedural terrain techniques (like World Creator) and that spherical terrain ...
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How do I store destructible terrain that characters can walk on?

I'm trying to make a 2d game like Worms (in JS, if it's important). I found 2 possible ways of implementing destructible terrain: Bitmap. Store every pixel in a huge 2-dimensional array Represent the ...
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How can I save a local player modification into a procedurally generated terrain density octree?

So I have recently been researching how to implement DC for procedural terrain. I originally planned to use a 3D grid that just stated if the point is solid or not. I have noticed that most other ...
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819 views

How can I make a gradual slope with Unity Terrain tool?

As the question title states, I am trying to make a gradual slope in Unity Terrain. I want it to be many 100's metres long for a golf course and it will slope in a few directions hopefully in places. ...
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Creating Terrain of Golf Course in Unity? (use Unity Terrain or 3d software)

Hi all I wanted to create some simple, but pretty, golf courses for a Unity game. I've not found much success with the built-in terrain maker as the painting of textures is not sharp edges). Is it ...
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Is Quadtree Terrain Decimation applicable today?

It all started from that page. https://www.gamasutra.com/view/feature/131841/continuous_lod_terrain_meshing_.php?print=1 I didn't quite got what it was all about, so I've looked at this. https://www....
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390 views

SRTM data represented in 3D using Unity Terrain

I am new to using Terrain height maps in Unity. I'm trying to use real-world terrain height data, using sources including: The US Geological Survey (files like N24E054.hgt) Google Maps (SRTM hdr ...
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729 views

Terrain collision detection

How should I go about making terrain collision system without hightmap ? What I have tried is building a heightmap from a blender model, but that works only if the vertices are evenly spaced. Mine ...
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171 views

Chunked A* Pathfinding Issues

I've run into an issue with A* pathfinding in a chunked world. This is my current setup: The world is designed in Tiled and exported as a .json file. I wrote a little program that converts the .json ...
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Built-in Terrain analogs search: is it worth to use imported 3d-model?

I think 3d-model is better than the built-in terrain-component in Unity when it comes to optimization. But when it comes to texturing terrain made in 3rd party 3d-modeller, how to apply resulting ...

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