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

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17 views

XNA Get height at players position from heightMap

So i got a server and a client, at the server I only got this on Terrain class: public class Terrain { int Id; float[,] HeightMapData; int Width; int Height; Vector3 Position; ...
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0answers
84 views

Voxel (Marching Cubes) Terrain Creation / Terrain Editing

im working on a voxel based game in unity. the terrain(sphere-->planet) should be out of voxels and at first i built a minecraft like voxel plugin for unity. this means that i had a sphere out of ...
2
votes
2answers
67 views

anisotropic fog of war

Here I am not talking about how to render fog of war, but how to model exploring of terrain in a more sophisticated way. In a straight-forward approach, terrain explored by a game unit is simply ...
1
vote
0answers
77 views

How can I more efficiently paint grass onto a large terrain object in Unity?

I'm trying to paint a grass onto a large terrain and I want it to cover the entire terrain. Since the brush size can't go past 100 it would seem that I'm stuck painting the entire thing with a small ...
2
votes
1answer
64 views

How can I deal with vertex precision errors between terrain chunks?

I am using OpenGL to render the following scene, using vertex data from one of the map files of a popular MMORPG. The data is chunked and the pictured scene is made up of 256 (16x16) chunks. However ...
5
votes
1answer
188 views

How can I implement large moving “colossus” characters that also act as environmental objects?

I'm curious how enormous characters that act both as entities and environments are implemented. I'm thinking of characters like in Shadow of the Colossus which move, but which the player can also ...
1
vote
1answer
60 views

Triangles go missing as Z changes

I'm rendering a height map using shader-based OpenGL (3.3 to be precise). The height map data is from a grayscale bitmap (2D array of bytes). The dimension of the bitmap is 256 x 256. With this data, ...
1
vote
1answer
131 views

Basic terrain shader without using external texture

I have this: (Right now I have the height map in a x*x size 2D array and a 1D vector too.) What I am trying to achieve is something like this: Without using any textures, only plain colors. So ...
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vote
2answers
244 views

OpenGL generate hills looking vertices

I want to generate a terrain which looks like hills. Some sort of sine waves. Should be as simple as possible. But I can not figure out how. I get very scary results, which are nothing worth. I need ...
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0answers
42 views

Scaling UDK landscape material

I have been following some guides off this site, more specifically the "Random Tiling Masks: Randomize the texture mapping to reduce tiling" section and I have run into an issue regarding scaling of ...
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0answers
265 views

libgdx building 3D terrain

I've been spending a lot of my time working with libgdx scene 2d & have become very familiar with it. I've decided I want to move over to 3D & take a couple of weeks to learn & better ...
1
vote
2answers
112 views

How to deform 2D tileable texture in XNA/MonoGame

I'm looking for a way to deform tillable texture in a 2D game I'm building using MonoGame but I'm not sure how this effect is called and searching the internet for "deforming textures" gives me mostly ...
0
votes
1answer
409 views

Unity3d wheelcollider falling through terrain

I have created simple project with 3D car and terrain. I have added 4 Wheel Colliders on model wheels. But when I run project wheels falling through terrain. Before run: After run: I am sure that ...
1
vote
0answers
128 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 ...
2
votes
1answer
93 views

How to use ROAM algorithm to adapt terrain's mesh?

I have a hard time understanding the idea behind ROAM algorithm "Real-time, continuous level of detail rendering of height fields" Peter Lindstrom, David Koller, William Ribarsky, Larry F. Hodges, ...
2
votes
1answer
78 views

How do I serialise a mesh to a text file?

I'm building a game engine in OpenTK (OpenGL for C#). Is it ossible to take a terrain mesh (in any format) and convert it into a text file (or a really small character-filled file, no more than a few ...
2
votes
2answers
85 views

Traditional Chunk Loading vs. Chunk Swapping

I'm designing a voxel-based game (aren't we all?), and just yesterday implemented infinite terrain generation. I'd already had the terrain generation working off of simplex noise, so this wasn't a ...
1
vote
1answer
148 views

Quadtree vs multiple resolution grids for terrain rendering

I have been thinking about quad trees with regards to terrain rendering. From my understanding the basic functionality of quadtree terrain rendering is to frustum cull the terrain in such a manner: ...
2
votes
1answer
65 views

Unity - Imported meshes from Blender always corrupt

I want to import a terrain mesh I made in Blender into Unity, however Unity seems to fail to load it correctly. What could be the reason behind this and how can I fix it?
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vote
2answers
156 views

2D Terrain generation with controlled variations

Well, I'm trying to create a simple endless runner and -this may sound repetitive- I'm searching for ways to generate the terrain. The game will only have 3 types of ground tiles, ascending, ...
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vote
1answer
426 views

Unity3D: terrain object's textures flickering on long distances

I'm making RTS project on Unity3D. I created terrain with Unity's standard Terrain tool, and added textures of grass, mood etc. on it. Then, for creating "man-made" objects of terrain (roads, ...
0
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1answer
81 views

Algorithm for texture blending modification

Im currently writing a terrain editor for my game (for the record: no commercial intentions) and after having implemented the terrain morphing to my liking im now working on the texturing of said ...
2
votes
2answers
425 views

Using A*Pathfinding on terrain created by scripts?

I'm looking to use A* Path-finding as a method of navigating my game terrain. Trouble is, my terrain is built upon play using a script and A* grid does not detect this, therefore marking all nodes as ...
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2answers
284 views

terrain not properly rendering

I'm extending the terrain quad with resources from various tutorials and have the following code: public class WorldTerrain extends TerrainQuad { public static final String NAME = "terrain"; ...
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1answer
84 views

Planet terrain not connecting properly

I'm trying to generate some simple planets in OpenGL using libnoise (including noiseutils), but the terrain is not correctly connecting where the sphere "completes itself" and I was wondering if ...
5
votes
1answer
486 views

Top-Down Octree Generation of Procedural Terrain

I'm trying to implement a voxel-based terrain generation system in Unity3d (C#). I have successfully implemented a uniform 3d grid system, and have extracted the isosurface out using Marching Cubes ...
0
votes
1answer
138 views

2D terrain with midpoint displacement and collision

I followed this theory Here to implement a simple scrolling 2D terrain for my running game. I am used to dealing with collision via a tile system but am looking for a good theory on how to perform ...
1
vote
1answer
145 views

How to create a regular grid of triangles correctly?

I am trying to create an terrain using opentk/opengl. I have a problem with the VBO/IBO. I think a picture of the problem is the best way to show it: I dont understand why the last triangle of a ...
0
votes
0answers
120 views

Height Map Mapping to “Chunked” Quadrilateralized Spherical Cube

I have been working on a procedural spherical terrain generator for a few months which has a quadtree LOD system. The system splits the six faces of a quadrilateralized spherical cube into smaller ...
0
votes
1answer
105 views

How do I deform a procedurally generated terrain?

I was looking at this method of generating complex procedural terrains using the GPU: http://http.developer.nvidia.com/GPUGems3/gpugems3_ch01.html Has anyone had any luck actually using the ...
0
votes
0answers
93 views

Collision at incorrect height between boxes and btHeightfieldTerrainShape

I'm using btHeightfieldTerrainShape from BulletPhysics for collision between fired boxes and a terrain. But such boxes seem to collides at higher positions above the terrain as the following picture. ...
0
votes
1answer
92 views

What is the simplest algorithm or pattern to continues ground/Floor

Im beginner in 3d gaming , i have basic question not Language specific. Say i have ground model for example terrain i modeled what is the common way to load the terrain and use it again Or load ...
2
votes
1answer
898 views

Dynamic 2d terrain loading / stitching in Unity [closed]

I'm currently working on a top down 2d game (in Unity 2d) where I'd like to build a huge terrain for the player to explore. My question is - do you have any good practices or ideas on how to chunk the ...
0
votes
0answers
62 views

Optimal approach to build a quad-tree for elongated terrain?

I have got a polygonal terrain in 3D. For simplicity sake I have split it into multitude of unit squares (cells) alike tilemaps do. Now I need to pick a cell under a cursor. For that I'm casting a ray ...
6
votes
2answers
245 views

How do I simplify terrain with tunnels or overhangs?

I'm attempting to store vertex data in a quadtree with C++, such that far-away vertices can be combined to simplify the object and speed up rendering. This works well with a reasonably flat mesh, but ...
4
votes
1answer
770 views

How to efficiently render a large terrain mesh?

Recently I've been stuck on a problem thinking about the best way to generate a terrain into my game. In another projects I normally used heightmaps, so all the core-work was based on the engine used, ...
2
votes
1answer
96 views

How to store an array into a texture and sampler the texture in vertex shader correctly?

I'm a new learner about OpenGL and GLSL. I'm coding a program in which i wanna store a group of datas in a texture and get the data by sampling the texture in vertex shader. Then i want to set the ...
1
vote
0answers
91 views

How do I load real-world map terrain? [duplicate]

I'm new to game development and want know how to make or load a terrain from OpenStreetMap or Google Maps in your current city. (I'm using Unity3D.) My idea is just load or generate a map of the ...
0
votes
0answers
42 views

Tips for density terrain function (using Marching cube) [duplicate]

I've just implemented the marching cube algorithm and tried it out with some different functions for the density, and I think it's working! Ex) density = -v.y + sin(-v.x) + sin(-v.z) But I can't ...
1
vote
0answers
257 views

Infinite terrain techiniques [closed]

I am currently making a procedural (Noise based) terrain. So, i have tried multiples approches : 1: Generate one big plane, and update vertices when player move to the plane edges 2: A terrain ...
7
votes
3answers
654 views

Terrain & Multi-Texturing

I'm using OpenGL (Version 4.4) (and C++ if that matters). I've created a terrain renderer, the terrain is stored as a 3D scalar field (isosurface/voxels). It uses a slightly modified version of ...
2
votes
0answers
119 views

What's the state of the art in biome generation? [closed]

That is, given a terrain + seas, what are the most advanced approaches available, for game dev, for generating the climate and hence biomes for various areas of the terrain? Are there tools that, ...
8
votes
2answers
2k views

How can I generate random maps that feel like Age of Empires II random maps?

I like the way Age of Empires II generate random maps turned out (good variety, decent biome transitions, maps felt random without feeling chaotic), but am struggling to replicate the style. I've ...
0
votes
2answers
170 views

Rendering terrain only with GPU

This is not about generating plane geometry and then applying a shader on it. Instead, I want a big single flat plane, then apply a shader on it. The vertex shader has a uniform vec3 ...
0
votes
0answers
165 views

How best to apply Quad-tree based LOD to terrains loaded in a paged fashion?

I am working on a game that has a fairly large outdoor terrain. Since I need to load parts of the terrain into memory based on view distance, I have split the terrain into a grid where each cell is a ...
7
votes
1answer
270 views

Square Grid Polygonal Terrain Query algorithm?

I have a square, fixed-grid terrain with one terrain type per grid unit in my game, and I want to do an arbitrary polygonal terrain query which returns all of the grid units enclosed/intersected by ...
1
vote
1answer
415 views

Unity seperation of prefabs with two dimensional terrain generation

I have the following function: public void Spawn () { GameObject g = ((GameObject)Instantiate (hills [Random.Range (0, hills.Length)], new Vector3 (0.0f, ...
0
votes
0answers
204 views

JMonkey Engine. Using 2 Alpha Maps for Texture Splatting

I am trying to apply more than 3 Diffuse textures to my terrain, but ive been running into issues: A lot of the Texture loading etc is The same code over and over, so its not much to read. Ill ...
0
votes
1answer
308 views

2D to 3D perlin noise, I'm not sure I get it

I've been using 2d perlin noise to generate height maps for a little isometric terrain experiment. The noise value is directly related to the z-layer a tile will appear in: Math.floor(noise * 10). ...
5
votes
1answer
365 views

What is the role of tessellation in terrain?

I'm relatively new to graphically programming and I've been looking into ways to render larger heightened terrain. I keep seeing comments directing me to disregard things such as geometry clipmaps, in ...