C++: Variables change values after initialization of different class

  c++, initialization, member, memory, variables

I have the following problem.

PerspectiveCamera pcam2(Point(0, 0, 0), Vector(0.5f, 0.5f, 0.3f), Vector(0, 0, 1), pi * 0.9f, pi * 0.9f);
Renderer r12(&pcam2,0);

In the above code, pcam2 is initialized and then after that, &pcam2 is passed on to r12.

pcam2 has members const Point& center, const Vector& forward, const Vector& up, and two float numbers that are passed upon initialization in said order.

r12 has members Camera* cam_ and an int number.

The strange thing that happens is that during the initialization of r12, the values of the field center of pcam2 get changed to some bogus like Point(1.984192e+27, 4.59149455e-41, 0) when in the code you can see that pcam2 was initialized with Point(0, 0, 0).
Literally all that happens during initialization of r12 is that its members are assigned their values via member initialization list.

I really don’t understand what is happening here and I don’t know enough about C++ to find out on my own.

Thanks in advance.

Source: Windows Questions C++