NewtonHeightFieldCollisionParam
typedef struct NewtonHeightFieldCollisionParam
{
int m_width;
int m_height;
int m_gridsDiagonals;
int m_elevationDataType;
dFloat m_verticalScale;
dFloat m_horizonalScale_x;
dFloat m_horizonalScale_z;
dFloat m_horizonalDisplacementScale_x;
dFloat m_horizonalDisplacementScale_z;
void* m_vertialElevation;
short* m_horizotalDisplacement;
char* m_atributes;
} NewtonHeightFieldCollisionParam;