#include "Ground.hpp"
class FGInterface;
-class SGMaterial;
+namespace simgear {
+class BVHMaterial;
+}
namespace yasim {
virtual void getGroundPlane(const double pos[3],
double plane[4], float vel[3],
- const SGMaterial **material);
+ const simgear::BVHMaterial **material);
virtual bool caughtWire(const double pos[4][3]);