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# Questions tagged [terrain-rendering]

Terrain rendering is the visual representation of 2D or 3D landscapes.

19 questions with no upvoted or accepted answers
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188 views

### Regional Variation with Perlin Noise

I used Game Maker to construct a 3D terrain using Perlin Noise. Since I wanted to create an island, I set the noise function to return a value between 0 and 128. Then I checked each point and ...
368 views

### Mapping heightmap to spherical clipmap

How would you map the points on a spherical clipmap to a heightmap? My coarsest clipmap has an outer radius of PI and an inner radius of PI/2. My coarsest heightmap goes from -PI, PI on the x axis and ...
72 views

### 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 ...
78 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 ...
90 views

### 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....
61 views

### How to fix this terrain behavior?

EDIT: This is for In game Terraforming, kind of like in life is feudal. https://www.google.com/search?q=life+is+feudal+terraforming&rlz=1C1CHBF_enUS792US792&source=lnms&tbm=isch&sa=X&...
545 views

### Large Scale GIS in a AAA-Quality Game Engine? (Unreal, Cryengine, Unity, Etc.)

I am working on a new simulation project that requires large scale, real-world terrain and imagery (GIS). By large scale, I mean that I would like to support databases that cover something on the ...
176 views

### Renderering problem with flat terrain

i was testing out my game engine last night, but stumbled across this unexpected result. Here is a picture: As it appears, it is renderering 1 triangle and not renderering the other triangles. I ...
678 views

### How can I texture a large terrain mesh in OpenGL?

I want to apply a texture to a large terrain mesh in my game. I think that it is just not acceptable to have a gigantic UV map spanning over 4096 x 4096 pixels. What's a better way to apply a texture ...
298 views

### Map terrain generation to texture instead of color

I have some terrain being generated using the following algorithm ...
40 views

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 ...
22 views

### 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 ...
114 views

### 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-...
29 views

### Flat shaded triangles using the ModelBuilder?

I decided to give the ModelBuilder a try but I cannot get rid of the smoothing of my terrain. So what I tried: Create each triangle individually with there own ...
59 views

### Help understanding Accidental Noise Gradient function

Background: I am trying to create a set of functions to manipulate noise, similar to Libnoise, Fastnoise and the Accidental Noise Library. The end goal is to produce terrain. As recommended by ...
79 views

### Swapping out Vertex Buffer Necessary for Terrain LOD?

I am using Directx 11 to try and implement terrain level-of-detail. I am trying the idea represented in this tutorial: http://www.rastertek.com/tertut18.html Which is split your terrain into nodes, ...
56 views

### offset texture attached to frameBuffer to render panorama

I would like to pre-render horizon of large landscape to texture and than paste it as cylindrical screen around the camera (to accelerate rendering of distant details) Easiest would be make 8-gon ...