A raster image which can depict a 3D environment through mapping out the height at every point. Can be thought of as a mechanically consumeable form of topographical map.

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LWJGL Framebuffer Texture Problem

I am trying to get a terrain rendering system I wrote a while ago with LWJGL. This terrain rendering system is quite simple: a quad mesh is split as the camera moves closer to it, each time a new quad ...
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Framebuffer Heightmap Performance Problems

I am using a framebuffer to procedurally create heightmaps with perlin noise in GLSL shaders. There are two main problems that I am experiencing with this. I have a quadtree for the terrain and in the ...
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loading a heightmap as texture in shader

I have a height map of 256x256, containing, foreach cell, not only height as a normal float value ( not 0-1 ) and also 2 gradient values ( for X and Y ), also as normal float values ( not 0-1 ). I ...
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Collision between player and heightmap

Im programming a small project, an opengl height map. It is build of triangles, which points are fit to the right y position (read out of an image). The player is represanted by a cuboid. (p1, p2, ...
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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 ...
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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 ...