Questions tagged [terrain-rendering]
Terrain rendering is the visual representation of 2D or 3D landscapes.
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1answer
56 views
How to generate or smooth really large procedural terrain?
I'm currently trying to generate a really large procedural terrain in WebGL. I use a quadtree for LOD and plan to generate 1 heightmap for each quadtree node (terrain patch).
The heightmaps are ...
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0answers
60 views
Unity Terrain Grass/Detail distance. Draw distance is set to maximum but grass seems to magically appear ingame, what did i do wrong?
Hello all I am trying to learn more about using the Terrain editor in Unity. I want to add grass billboard style. It looks quite good up close, but it seems you can only set the draw distance to 250 ...
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0answers
37 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....
1
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3answers
119 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 ...
3
votes
1answer
78 views
Render moveable entities into 3D isometric world?
I have a separate list of moveable entities, and then the regular 3D map, represented by a 2D array of stacks of tiles. My problem is that right now, I'm rendering my moveable entities after the map, ...
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1answer
158 views
Error code 1282 when calling glDrawElements
I am trying to render my terrain using an EBO, but the function glDrawElements returns an error (1282). I tried to find out what ...
0
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1answer
36 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, ...
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0answers
30 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 ...
2
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1answer
65 views
Working in large play-area maps, what are the performance and practical differences between Unreal Terrain and a subdivided OBJ mesh terrain?
I've managed to reliably use SRTM Geotiff Raster Data with some modifications to create decent terrains in unreal, but there is a small problem with how I go about city-building when I'm not using the ...
0
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1answer
42 views
Terrain Rendering/Update Failure Python 3.x
I have begun to create a procedurally generated RPG using Python, and I am having trouble with rendering the terrain.
What is happening:
I generate some terrain from some files, or create/save new ...
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0answers
56 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&...
4
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1answer
172 views
Effective & Efficient Way to Simulate a Desert
Introduction
I hope that this question isn't too broad, my apologies if it is. Anyway, getting to the point, our video game is set in ancient Egypt and, to nobody's surprise I'm sure, Egypt has a lot ...
1
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0answers
341 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 ...
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1answer
48 views
Infinite sidescrolling terrain in Unity
I am trying to create a horizontal line at the center of the screen that goes infinitely. I could make the line short and move it with the camera but the shape of my line actually changes as you ...
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0answers
28 views
Chunk not building completely
I'm trying to build some voxel terrain however I'm having some issues with some of the faces of the mesh not loading properly. Here's an image below :
I think it has to do with either how I'm getting ...
0
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0answers
586 views
Create a 2D spline-based Terrain in Unity3D
I want a 2d terrain in Unity that can be edited in Scene view. I have come across a github repository which nearly serves my requirements, but I am not sure what exactly I can do to make it have ...
3
votes
2answers
320 views
DirectX11 - Color Interpolation Along Quad Diagonal
Imagine that we have a vertex structure that looks like this:
struct Vertex
{
XMFLOAT3 position;
XMFLOAT4 color;
};
The vertex shader looks like this:
<...
0
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0answers
105 views
Level editing using a 2D map for a 3D game
We're trying to make a level editor for a 3D game that involves walking around outdoor environments. In many ways a heightmap satisfies the game's needs, but it also falls short in several ways, so we'...
-1
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1answer
447 views
Implementing an open world environment
Lets say my engine supports a "Model" with a position in the world, hitbox and the data to paint in the render method. Should an open world map be a "Model"? How do I render only part of it in order ...
0
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0answers
63 views
Large procedural terrain crashing graphics card
So I've been struggling to create a large procedural world recently.
I started with creating a high poly mesh with 257^2 vertices.
I generate 25x25 chunks using the high poly mesh. So 625 chunks * ...
0
votes
1answer
235 views
Generation of a moon terrain
I am making a small game like Kerbal Space Program. What I do is when I am over a certain height, I render the planet or moon as a sphere. Each planet or moon will have a generation seed to generate ...
3
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1answer
347 views
How to make this generated terrain flat-shaded?
I'm generating a relatively low-poly terrain for my game using the code below:
...
1
vote
1answer
173 views
Procedurally generated satellite view textures for large landmass rendering
I'm rendering a big land mass to be viewed from high altitude (40+ km), so I need satellite view style textures to be generated on the fly. The per vertex attributes I've got are:
Biome (forest, snow,...
9
votes
3answers
815 views
Noisy edges, smoothing out edges between faces via fragment shader
I have a generated terrain, with hexagonal geometry, as per screenshot below:
I then generate biomes, but as you can see the borders between them are really ugly and straight. To hide that hexagonal ...
1
vote
1answer
138 views
How to solve problem with Terrain Flashing and then disappears when flying away?
I am making flight simulator( my first Unity project) , the biggest challenge so far is terrain, so whenever I fly away from it (not that far) the terrain starts flashing and disappears which is just ...
1
vote
1answer
498 views
Unity 5 skybox reflection on terrain
I begin to use Unity 5. I added a terrain and a skybox in my game but there is always reflection of sky on my terrain. As you see in the picture. I added texture to solve the problem. But the ...
4
votes
1answer
1k views
How to smooth terrain to lower polygon count?
I'm using Unity.
I've created a simple Beach using Terrain editor.
The problem is that Stats show me already a lot of Triangles only for Terrain renderer: 40K .
So my question is: how can I create ...
1
vote
1answer
121 views
Multiple buffers and calling glBufferSubData
Originally asked this on Computer Graphics, but it might fit in better here.
In my project, for convenience I would like to use many buffers.
Many buffers in my case means 50-100 terrain patches ...
3
votes
3answers
349 views
DirectX11 - Texturing Terrain Mesh with Shared Vertices
I'm trying to create and texture a terrain mesh in DirectX11. I've managed to create the mesh itself, but I don't know how I should do the texturing. Let me start by explaining what I'm doing so far:
...
1
vote
1answer
325 views
Procedural generation of heightmap for non rectangular surface
I'm working on procedural generation of terrain for a continent, meaning I need a wide range of hills, mountains and valleys generated around the continent. For mountains I've adopted Amit's algorithm ...
0
votes
1answer
498 views
2D “digging” method in unity
I am in the process of developing a 2D digging game for mobile. I need an efficient method to dig tunnels through the levels (Similar to the game play in Death Worm), and build colliders around the ...
3
votes
1answer
519 views
General Octree question: What do you actually store?
Ok, So I'm experimenting with various terrain generation methods, primarily in Unity, but i'll admit to not use all its features because I started learning about Game Dev in XNA YEARS ago. So, I made ...
2
votes
1answer
2k views
Making Cave system in Unity 5
I know there are many threads about this but none of them seems to work for me and I spent like 2 days already on that problem. Things that I've checked:
http://wiki.unity3d.com/index.php/...
2
votes
0answers
132 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 ...
0
votes
1answer
359 views
How can I efficiently render a large, zoomable world map?
We are looking to develop a grand strategy PC game in Unity with a world map similar in scale to Crusader Kings 2 and Europa 4.
We want to add more details to the map so that we can stand out ...
1
vote
0answers
126 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 ...
0
votes
1answer
162 views
How do i make floors of varying height in OpenGL?
So I am currently working on a small Game(/engine) in OpenGL and I want to build a little world editor. Nothing too fancy: Just some functions to add objects to a scene and manipulate them (rotation, ...
0
votes
1answer
147 views
OpenGL: Generating a single square with a Quad Strip
I am currently trying to create a terrain generation system (for my 3D game) with OpenGL 2.1.
The way I am doing it requires the creation of a massive 2D square that consists of multiple smaller ...
6
votes
1answer
347 views
On a 2D generated terrain what is the easiest way to pick tiles for the shoreline?
If I have a two-dimensional array with ones and zeros for water and land respectively how do I choose what shoreline tile to use according to the water and land tiles surrounding it? The shoreline can ...
3
votes
2answers
195 views
How do I efficiently choose the terrain chunks to render based on the player position?
Well, I have an array with all the terrains. How do I render them? I just add them to a List of terrains that are sent to the Renderer. There, every terrain of the list is rendered.
The problem is ...
6
votes
1answer
710 views
LibGDX Box2D texture on dynamic generated body
I'm creating a game that is similar to hill climb racing. I've generated the ground and now I want to add texture to the ground. Here is a screenshot of a game
Here is my code (I create ground using ...
4
votes
1answer
812 views
How to achieve a layered terrain simlar to Godus
I'm currently playing around with a few examples and techniques for terrain generation and suddenly remembered the game Godus - seen below.
Youtube clip of Godus
Looking at the material above, it ...
1
vote
1answer
297 views
deformable terrain
I'm currently working on a 3d sandbox mmo and would like to know what would be the best way to store the terrain of the world. I was thinking about making some kind of mesh, like the kind you would ...
3
votes
1answer
371 views
How do I avoid lag when dynamically loading a map chunk?
I have a procedural 2d game which extends in all directions, on the surface similar to Terraria. When a player moves their camera close to the edge of the currently loaded terrain, I trigger an expand ...
1
vote
1answer
2k views
Can I export a model and texture from a terrain file built in Unity3D?
I am mostly familiar with building my level maps within unity, and have become quite use to its inbuilt terrain creator, in both generating my terrain, and spraying a texture on to it.
I am making a ...
7
votes
1answer
2k views
Tiling perlin noise seamlessly, but without repeating to generate an infinite 3D world
I have been working on a 3D game in java using LWJGL for a while now. I am trying to make procedurally generated infinite 3D terrain that is generated around the player.
So far I have:
3D terrain ...
0
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2answers
3k views
How does Minecraft render chunks? [duplicate]
I'm writing a simple Minecraft like game to test out a few world gen algorithms and to learn more about OpenGL. My first render code was glBegin() ... glEnd() style....
22
votes
2answers
4k views
How can I implement a short-cut grass effect?
I've been looking at some screenshots from games like Rocket League and FIFA:
and I started wondering one would achieve the short-cut grass effect.
Is it a shader? Is it actual geometry? Or just ...
11
votes
2answers
4k views
How to make natural looking voxel
I'm developing a voxel game, but I think I use the wrong technique.
I currently use flat tiles, to make blocks, and I think theres a better and more efficient way.
I have seen a voxel game, which ...
0
votes
1answer
1k views
How to load and render PhysX 3.3 heightfield
I'm trying to load a PhysX 3.3 heightmap and render it with OpenGL using glm and glfw, but so far it doesn't seem to be working. I'm basing my code on the PhysX samples, and am also using FreeImage to ...
