You can add member functions to Vector. It will not affect the structure's
binary layout.
At 2006/03/05 01:08 PM, Jorge Rodriguez wrote:
>Tom Parker wrote:
>
>>Replacing this code with a more C++ friendly version would require
>>drastic changes everywhere in the engine, and be more of a pain than a
>>benefit. I haven't yet done much vector math in HL2, but I do believe
>>that the Vector class has C++ style functions for this?
>Half-Life 1's vector.h has this in CVector:
>
> inline Vector Normalize(void) const
> {
> float flLen = Length();
> if (flLen == 0) return Vector(0,0,1); // ????
> flLen = 1 / flLen;
> return Vector(x * flLen, y * flLen, z * flLen);
> }
>
>Half-Life 2 has no equivalent. However whereas in HL1, vector.h was not
>shared with the engine, in HL2 it is, so this functionality cannot
>simply be added in. The closest thing in functionality is called
>NormalizeInPlace() which just called VectorNormalize() internally and
>works the exact same way. This doesn't satisfy my desire to have a
>Normalize() that returns a Vector as Normalize() of Half-Life 1 did.
>
>The only way I can think of I would be able to have this is if I created
>a subclass of Vector just for Normalize(). Ick!
>
>--
>Jorge "Vino" Rodriguez
>
>
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