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Direct X visual studio issue

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Im trying to write a class for each type of sprite (Bullets, enemy sprites etc) and one member of them all I want to be is their current position
so I try having the following in each class:
D3DXVECTOR3 pos(0,0,0)

but visual studio underlines all 3 0s in red, saying I need a type specifier, like it thinks Im doing a function declaration or something.
Yes, I have all needed includes.

The main code file has similiar declarations and gives no errors, yet the individual cpp files for the classes give this error. I dont get what the problem is.

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If that declaration is in the header for your base class, then you're trying to initialize pos in the class definition (which would require a call to the D3DXVECTOR3 constructor).

Alternatively, in the class constructor add something like:
// definition
class MyClass
//.. other stuff
// constructor
MyClass::MyClass(void): pos(D3DXVECTOR3(0,0,0))
// ... other initialization
//=== OR ===
pos = D3DXVECTOR3(0,0,0);
//... other initilization

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