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| Terrain extention.. What is the tech term? http://www.horde3d.org/forums/viewtopic.php?f=1&t=704 |
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| Author: | spindiggy [ 17.04.2009, 05:39 ] |
| Post subject: | Terrain extention.. What is the tech term? |
Hello, I've never done much research for terrain systems so I have no clue about the types of terrain systems. I've previously worked with TGEA, torque game engine advanced and thier terrain system uses a grid that are square. I've noticed that screenshots and videos of other engines like GameBryo have a simular looking terrain with small triangles like the Horde3D Screenshot. What type of terrain system is it that is available with Horde3D? Is there a technical term or name for them when they consist of tiny triangles as opposed to squares? Hope this makes sense. Chris |
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| Author: | DarkAngel [ 17.04.2009, 06:15 ] |
| Post subject: | Re: Terrain extention.. What is the tech term? |
Graphics cards are made for rendering triangles (when you draw a square, you're actually just drawing two triangles), so as far as I know, all real-time terrain systems use triangles for rendering. Can you tell me some more about TGEA's terrain system? Horde's terrain system takes in a height-map (a big black/grey/white bitmap) which is then turned into a big model made up of triangles. Several different versions of this model are made with more/less detail, so distant parts of the terrain can use the low-detail versions and closer areas can use the high-detail ones. I think this is sometimes called "chunked lod". |
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| Author: | Volker [ 17.04.2009, 06:34 ] |
| Post subject: | Re: Terrain extention.. What is the tech term? |
Another technique is voxel rendering used for exampel in the old comanche games by novalogic. |
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