Function Vector4_add

engine/script/src/script_vmath.cpp:507–513

    }

    static int Vector4_add(lua_State *L)
    {
        Vector4* v1 = CheckVector4(L, 1);
        Vector4* v2 = CheckVector4(L, 2);
        PushVector4(L, *v1 + *v2);
        return 1;
    }

    static int Vector4_sub(lua_State *L)
    {