Forces projected on the 6 half-axis of a physics geometry.

struct ContactForces {
  MU32 dwValueTime;
  union {
    struct {
      float fXP;
      float fXM;
      float fYP;
      float fYM;
      float fZP;
      float fZM;
    };
    struct {
      float Forces[6];
    };
  };
};