* Maik Justus -- Wednesday 20 December 2006 00:47:
> does anyone know, how to access the ground properties by the FDM?
Looks like the groundcache provides this:
bool
FGGroundCache::get_agl(double t, const SGVec3d& dpt, double max_altoff,
SGVec3d& contact, SGVec3d& normal, SGVec3d& vel,
int *type, const SGMaterial** material, double *agl)
The ground cache is already used by JSBSim and YASim for gear contact.
See simgear/scene/material/mat.hxx for SGMaterial. It has methods to
read friction/bumpiness/...
m.
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