Bounding Box Creation

    
#define IS_COLLISION 3
#define NO_COLLISION 2        

class CCollisionBox3D
{
public:
   void SetTopCorner(float x, float y, float z);
   void SetBottomCorner(float x, float y, float z);

   int TestCollisions(CollisionBox3D OtherBox);
public:
   float top_x, top_y, top_x;      //for the top corner of thebox

   float bot_x, bot_y, bot_z;      //bottom corner

};

void CCollisionBox3D::SetTopCorner(float x, float y, float z)
{
   top_x=x;
   top_y=y;
   top_z=z;
}

void CCollisionBox3D::SetBottomCorner(float x, float y, float z)
{
   bot_x=x;
   bot_y=y;
   bot_z=z;
}

int CCollisionBox3D::TestCollisions(float x, float y, float z)
{
   if(x > top_x && x < bot_x && y > top_y && y < bot_y &&       z>top_z && z < bot_z )
   {
      return(IS_COLLISION);
   }
   else
   return(NO_COLLISION);

   return(NO_COLLISION);
}
    

  
class CD3DRect
{
public:
 CD3DRect();
 CD3DRect(FLOAT,FLOAT,FLOAT,FLOAT,FLOAT,FLOAT);

 FLOAT fMinX, fMinY, fMinZ;
 FLOAT fMaxX, fMaxY, fMaxZ;
};
  

  
float xmax = object.origin.x;
for(int i = 0; i < NUM_VERTS; i++)
{
      if(object.verts[i].x > xmax)
      {
         xmax = object.verts[i].x;
      }
}

//Do same for y and z