Tagged Questions
The terrain rendering tag is used for questions about the creation of terrain.
0
votes
2answers
204 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 ...
1
vote
1answer
168 views
Are there any preexisting maps for a Minecraft-like level I could use in my engine?
I am working on a tiny cube-based engine like Minecraft. I was wondering if there is a way for me to get large blocky terrain in a text format that I can use for rendering on my engine?
I don't want ...
18
votes
4answers
561 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 ...
11
votes
3answers
526 views
What is a good algorithm for fractal-based procedural city layout?
Background
I run a minecraft server where I'm going to design a starter city of fairly large scale. I have a series of things, like rule signs and mob cages, I would like to put in buildings there. ...
11
votes
1answer
232 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 ...
2
votes
3answers
558 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 ...
6
votes
5answers
1k views
2D Procedural Terrain Generation - Guaranteeing connectedness?
I'm working on a 2D platformer in XNA. One of things I'd like to be a main design characteristic is procedural content generation. The first step of that is to procedurally generate the terrain. So, ...
19
votes
4answers
2k views
How are voxel terrain engines made?
A few days ago I found something called voxel terrains and I think that they're pretty cool. But I don't know anything generating them. Do you model it in your modeling software or use something like ...
9
votes
2answers
540 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
364 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 ...
1
vote
1answer
197 views
Perlin noise example the same on CPU as GPU?
I am looking for an example site with a Perlin Noise implementation in both CPU and GPU, that generates somewhat the same results in those two places.
I see many CPU implementations of Perlin Noise, ...
5
votes
1answer
313 views
Perlin noise - copying the algorithm on the CPU?
I have successfully made a Perlin noise algorithm on the GPU. It works as expected, and generates great results. Now, as part of the physics calculations in my game, I need to replicate the exact same ...
10
votes
2answers
837 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
359 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[] ...
6
votes
2answers
941 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 ...