Link to PhysX 3.3 Source Code For All UE4 Devs
I’ve updated my PhysX Wiki to include the direct link to the PhysX entire source code!
As a UE4 developer, you now have access to the entire PhysX C++ source code!
** Wiki, Integrating PhysX Code into Your Project**
https://wiki.unrealengine./PhysX,_Integrating_PhysX_Code_into_Your_Project#PhysX_3.3_Source_Code_For_UE4_Developers