DirectionalLight.cpp access Public vector d in header file

[FannieZhao0317]

Hi,

For file DirectionalLight.cpp, we have 2 vector with the same name: direction vector of the directional light public d(in header file) and direction from source to light local d.

Online it says to use ::d to access the global d, but it turns out not working. I tried using this->d and it works.

Could someone explain abit on why ::d doesn't work in this case?

[abhimadan]

Neither of those are global; one is a member variable and the other is a parameter. Every method on a class implicitly has this as a parameter, so member variables are locally scoped as well. The only difference is that the compiler knows that, for example, d means this->d if (a) there's no other variable in the same local scope named d, and (b) this has a member named d.

[zhufyaxel]

Wondering if this is ok for us to re-name the "d" in the header or .cpp, in order to avoid further problems by our own?
I know we can use the this->d and d to determine the difference, just want to make myself in a clear way.
If variable- change is not allowed, please let us know. Many thanks

[psarahdactyl]

No changes are allowed in the header files, since you aren't turning those in.