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Hello,
I'm creating a free roaming game using a BIG terrain (about 10 square km).
Now I made the terrain and I'm working to dynamically load it as "sectors". Since I don't want physics engine work directly on the terrain object (it is complex, and player can find undesirable bad/funny character reactions) I wanted to create a low-poly version of the same terrain (invisible, but it will overlap the real terrain). In this way I will use this invisible terrain to check collisions, physics events, etc..

Now the problem is I have a heightmap, and I don't know how to reduce complexity (and polygons!) starting from it.
Can you give me some suggestions?
Any good programs to do that?
I could even convert heightmap terrain in a dbo (or other 3d) file, but how? (in that way there are some programs that perform poygon reduction).

But in this last case I don't know how to use this polygon terrain in Dark Physics.

Please help me!

Thank you!

To reduce the number of polygons, you could try reducing the size of the height map used. Using AT, this would also mean adjusting the scaling factor on the X and Z axis.

Hello,

thank you for your suggestion, but I already tried it, and the problem was sometimes the terrain (textured) does not match exactly with physics terrain, so the player avatar (I'm working with a trivial sphere, just for testing) seems "drown" in the terrain (because physics terrain is lower - as height - than the real terrain).

So I decided to try to extend so much a normal terrain (scale x,z), then load another terrain (smaller) - physics terrain, covering only a part of the real terrain. Physics terrain will be loaded/unloaded when the player round around the scenario.

Thank you.