struct Point
{
  float X;
  float Y;

  Point() : X(0.0f), Y(0.0f) { }
  Point(float x, float y) : X(x), Y(y) { }
};
struct AABB
{
  Point Center;
  float r[2];

  AABB(Point CenterAABB, float HalfWidth, float HalfHeight)
  {
   this->Center = CenterAABB;
   this->r[0] = HalfWidth;
   this->r[1] = HalfHeight;
  }
};

Point OverlapAABB(AABB A, AABB <img src="http://s12.ucoz.net/sm/1/cool.gif" border="0" align="absmiddle" alt="cool" />
  {
   float Result_X = 0.0f;
   float Result_Y = 0.0f;

   double rcx = fabs(A.Center.X - B.Center.X);
   double rcy = fabs(A.Center.Y - B.Center.Y);
   double rx = A.r[0] + B.r[0];
   double ry = A.r[1] + B.r[1];
   double overlap_x = rx - rcx;
   double overlap_y = ry - rcy;
   if (overlap_x < overlap_y)
   {
    Result_X = (float)overlap_x;
    if (A.Center.X < B.Center.X)
     Result_X = -Result_X;
   }
   else
   {
    Result_Y = (float)overlap_y;
    if (A.Center.Y < B.Center.Y)
     Result_Y = -Result_Y;
   }

   return Point(Result_X, Result_Y);
  }