Used to describe the physical geography of a location. This can include elevation, slope and orientation of features.
2
votes
1answer
246 views
Parallelizing creation of geometry chunks in minecraft-like game
In my game I separate creation of chunks into two stages. The first is where I generate the heightmap using simplex noise and the 2nd is when I create the actual vertex buffers. I do it like this so ...
5
votes
2answers
563 views
How to remove floating terrain when generated with 3D Perlin Noise?
I'm currently using 3D Perlin Noise to generate random terrain in combination with Marching Cubes.
My issue seems to lie in scaling the noise function to get reasonable heights in my terrain. If ...
3
votes
2answers
1k views
Map tile terrain transitions with 3-4 different types
Making transitions between two different tiles is a fairly well understood problem. The easiest way is to look at the 0.5, 0.5 and use the resulting 4 corner points to select a transition tile, as ...
0
votes
1answer
99 views
3rd party terrain editor
I am looking for a good application for generating 3d terrains (really allowing generation and then some user-editing) . After a google search, I found many, but I need one that can export the entire ...
5
votes
2answers
1k views
3D terrain map with Hexagon Grids
I'm working on a hobby project (I'm a web/backend developer by day) and I want to create a 3D Tile (terrain) engine. I'm using XNA, but I can use MonoGame, OpenGL, or straight DirectX, so the answer ...
3
votes
1answer
204 views
Efficient visualization of a large voxelized volume
Lets consider a large voxelized volume stored in an oct-tree or any other convenient structure. This volume represents, for instance, a landscape, where each block is either empty (air), or it has an ...
0
votes
3answers
432 views
Checking for collisions on a 3D heightmap
I have a 3D heightmap drawn using OpenGL (which isn't important). It's represented by a 2D array of height data. To draw this I go through the array using each point as a vertex. Three vertices are ...
2
votes
1answer
1k views
C# XNA: Effecient mesh building algorithm for voxel based terrain (“top” outside layer only, non-destructible)
To put this bluntly, for non-destructible/non-constructible voxel style terrain, are generated meshes handled much better than instancing? Is there another method to achieve millions of visible quad ...
1
vote
1answer
662 views
Realistic planetary terrain generation with weights
I need terrain generation for a planet. The planet will be divided up into several hundred hexes, and I need it to be realistic and based on weights. I have dabbled in terrain generation before, but ...
0
votes
0answers
91 views
How to make one complete model from entities in Sketchup (Pro)
Sorry if this seems like a silly question. I prepared a terrain based on geo location on Google Sketchup; however I can't make entities (500 meter square entities, few of them) into one model to ...
2
votes
3answers
382 views
Game engine that allows for objects being placed in-game [closed]
I am looking for a game engine with multiplayer support that allows for players to place objects in the terrain. (eg. in TF2 one can place teleporters, etc... or in minecraft one can place blocks). I ...
2
votes
1answer
368 views
Dynamically Deformable Terrain In Game Engine
I am looking for a game engine that is open to the public for free or at a payed price that allows for any reasonable way of doing deformable terrain over a network. The closest I have found to this ...
7
votes
2answers
2k views
Tile map/terrain implementation with differing heights of neighbouring tiles
Ahoy!
I'm looking for some information about tile maps, or rather, what a specific type of tile map is called.
I'm interested in the kind of implementation used in rollercoaster tycoon, or the ...
0
votes
2answers
305 views
Collision, then what?
I know how to check collision for example 2 spheres. But my question is how do I use the collsion response in a good way?
How do I make my character unable to walk in to the Sphere? I've got to the ...
4
votes
1answer
614 views
How can I convert a 2D bitmap (Used for terrain) to a 2D polygon mesh for collision?
So I'm making an artillery type game, sort of similar to Worms with all the usual stuff like destructible terrain etc... and while I could use per-pixel collision that doesn't give me collision ...
5
votes
1answer
664 views
Infinite 2D Terrain
I was wondering how to create infinite 2D platform terrain. I've read about perlin noise and I have an idea I'd like to illustrate below.
However, I have no idea how to achieve this. Are there any ...
7
votes
1answer
859 views
What technology does Starcraft 2 use render its maps?
I've got a map that is being procedurally generated at run-time and I'm currently investigating methods of rendering this map.
I've taken an interest in the look of Starcraft 2 and I'd like some ...
0
votes
0answers
162 views
Golf Course 3D Environment
I'm completely new to the world of 3D and have set myself a challenge of creating a golf course environment, which with the help of UDK will allow a character to walk around the terrain (course) in an ...
0
votes
0answers
413 views
How to break terrain (in blender) into Chunks for a game engine
I've created an island in blender. 2048x2048 blender units.
The engine developer wants me to split the terrain into 128x128 "chunks"
so that would be 16x16 "chunks" from a top down view.
The engine ...
5
votes
2answers
2k views
How do I make my character slide down high-angled slopes?
I am currently working on my character's movement in Unity3D. I managed to make him move relatively to the mouse cursor.
I set a slope limit of 45°, which does not allow the character to walk up the ...
8
votes
3answers
1k views
Correct way to “randomly” generate flowing terrain
I'm creating a simple top down RTS game. I plan on it "randomly" generating maps on the fly when I need to. I plan on it all working in 'passes':
Fill the terrain in with all grass
Go back and add ...
3
votes
2answers
768 views
Why would someone chose midpoint displacement over perlin noise for 3D terrain generation?
I myself am creating a terrain generation algorithm and would be interested in knowing why others have chosen midpoint displacement over perlin noise. Minecraft is an example where midpoint ...
1
vote
1answer
1k views
How does Terrain following work on height map?
I'm writing a 3D world game which consists of a terrain map (generated by brownian motion algorithm) and a simple avatar. My goal is to make the avatar move smoothly between points of different ...
8
votes
1answer
397 views
How to represent cliff faces in terrain?
I'm trying to figure out the best way to programmatically represent terrain in my game. I've been considering using a heightmap (or grid of evenly spaced vertices) to represent the surface of the ...
4
votes
2answers
385 views
Trace with 2D terrain
I currently have some 2D terrain in my game defined by 2D coordinates with lines drawn in between them (linear interpolation too keep it simple).
Now I want to cast a ray from anywhere above the ...
1
vote
1answer
174 views
How can I write a terrain into a .raw file?
I want to generate a terrain through Perlin noise and store it into a .raw file.
From Nehe's HeightMap tutorial I know the .raw file is read like this:
#define MAP_SIZE 1024
void ...
0
votes
1answer
191 views
Creating a vertexbuffer to define vertices arranged in a grid with the view for easy editing later
I'm using the marching square algorithm (2D version of marching cubes) to generate vertices.
I end up with vertices arranged in a grid.
I want to enable destructible terrain, and the way i was ...
6
votes
3answers
834 views
Generating random Pools or lakes
I have implemented functions that can draw any polygonal shape, however I have been unable to generate a smooth shape that mimics the rounded edges of a lake. I tried generating two circles and ...
3
votes
3answers
661 views
Non-GPU Noise for 2D side-view terrain generation?
I really couldn't find a correct answer while scowering all the forums for Noise Generation.
My goal is simple, I really want to have two distinct layers for my terrain, a white layer representing ...
0
votes
1answer
565 views
Real-Time Terrain Deformation
I can't really find anything at all on this topic. There's a bunch of YouTube videos that show people doing it, but there aren't any articles that I can find explaining the mechanics of it. In my ...
3
votes
2answers
311 views
How to place objects/entities randomly in JS?
I'm making a game and I have a script (running it with Node) on the server that currently just randomly places things on the map... I'd like to change that. I saw something about Perlin noise but I'm ...
1
vote
3answers
789 views
Any ideas on reducing lag in terrain generation?
Ok so here's the deal. I've written an isometric engine that generates terrain based on camera values using 2D perlin noise. I planned on doing 3D but first I need to work out the lag issues I'm ...
2
votes
1answer
192 views
Static “LoD” hack opinions
I've been playing with implementing dynamic level of detail for rendering a very large mesh in XNA.
It occurred to me that (duh) the whole point of this is to generate small triangles close to the ...
22
votes
4answers
2k views
Where to start when building a 3D terrain editor?
I'm looking to build (for start) a simple tool, that could raise, lower, smooth and texture the terrain.
So, what are the things I have to go through in order to make such terrain editor?
And maybe ...
0
votes
1answer
440 views
What 3D engine supports real-time editable 3D terrain loaded in from a server?
I'm currently having a problem choosing an engine for a game project I have since a few years.
What I'd need is to be able to load a terrain from a remote server (which I can take care of) and display ...
0
votes
0answers
463 views
2D Terrain Generation [duplicate]
Possible Duplicate:
How can I create a random “world” in a tile engine?
I need some advice as to how I should go about coding a 2D Terrain Generator for a game written in C. I ...
11
votes
1answer
406 views
What are some current techniques for rendering deformable landscapes?
What are the current techniques than can be used for efficiently rendering 3D heightmap-based deformable landscapes?
For example, in the non-deformable landscape problem, ROAM used to be the way to ...
3
votes
3answers
957 views
How did they do it: Trine 2.5d terrain?
How did they make the terrain in trine? I think they took a polygon approach. It doesn't seem that they used a heightmap because it is in all three vectors, or a voxel method because it doesn't have ...
8
votes
3answers
3k views
Which data structure should be used to represent voxel terrain?
According to the Wikipedia page about voxels, "[...] the position of a voxel is inferred based upon its position relative to other voxels (i.e., its position in the data structure that makes up a ...
3
votes
1answer
284 views
Good practices to hold terrain data in a 2D networked game
I am working on a client-server architecture game, its a 2D top view adventure.
My main focus for the map system right now is to have editable terrain, that will actually change in realtime to other ...
12
votes
1answer
3k views
Terrain Generation for Tile-Based 2D Platformer
I'm currently working on a tile-based 2D platformer similar to Terraria in some ways, although I'm having difficulty with the terrain generation. I have some basics done, although they do not come out ...
10
votes
2answers
2k views
Quadtree terrain splitting - I don't get it
Most of the papers i've read base their terrain in some form or another on a quadtree. See this at page 38:
...
5
votes
3answers
1k views
How can I generate a terrain heightmap from the perlin algorithm?
How can I generate a terrain heightmap from the perlin algorithm? I am trying to make a terrain generator (like World Machine). This is the source code I have for the perlin. The only thing that I ...
13
votes
2answers
6k views
How can I make huge terrains in Unity?
How can I make extremely huge terrains in Unity? It seems like I can set width and length to large values. But the Heightmap resolution only goes up to 4097 and the Detail resolution only goes up to ...
1
vote
3answers
739 views
Optimizing perlin noise generation
I have a perlin noise generator as shown below.
public class ImprovedNoise
{
private const int GradientSizeTable = 256;
private readonly Random _random;
private readonly double[] ...
10
votes
2answers
3k views
Heightmap, Voxel, Polygon (geometry) terrains
In relation to Heightmap, Voxel and Polygon (geometry) terrains:
What are the main differences between all these three?
Can you form a "smooth" terrain with Voxels, I mean, can you for example get a ...
10
votes
2answers
816 views
Heightmap-based Terrain with a Road
What's the best way to implement a detail feature, like a road, on a heightmap-based terrain?
Update: It's a bit hard to see in the image, but the road descends from the top of the quarry to do its ...
5
votes
1answer
3k views
What is a good technique for 2D tile-based terrain generation meeting these requirements?
As a summer project I decided it would be fun to make a Flash game. Right now I'm going for something like the look of Terraria. It's been a lot of fun, but today I've hit a snag. I need a way to ...
7
votes
1answer
580 views
Procedurally generated terrain map. Blend Transitions between terrain types
The question isn't the greatest wording ever sorry.
I have been learning about and prototyping some texture and terrain generation stuff and have run into something perhaps you can help me with.
How ...
2
votes
4answers
817 views
Alternatives to distance fog
I'm looking for some ideas/algorithm name for alternative to distance fog.
I'm playing around an "infinite" terrain engine. I can't draw the whole map because there are no borders and I don't like ...
