add example for "default constructor, copy constructor, destructor, if you need one you'll need all"

add smart pointer
add pointer pointer
This commit is contained in:
2025-03-27 21:37:30 +01:00
parent 4b6ac6a484
commit a557775853
11 changed files with 163 additions and 33 deletions
+25 -21
View File
@@ -8,38 +8,42 @@ using namespace std;
int main()
{
Entity entity; // this is an entity instance
entity.name = "My Entity";
//Entity entity; // this is an entity instance
//entity.name = "My Entity";
//Monster monster; // can't be instantiated, because Monster is abstract
//Monster monster2 = Monster::Create(Monsters::Ork);
Ork ork;
ork.name = "My Ork";
ork.name = "Ork1";
ork.Move();
cout << entity.ToString() << endl;
cout << ork.ToString() << endl;
//cout << entity.ToString() << endl;
//cout << ork.ToString() << endl;
Vector3 position(1.0f, 3.0f, -5.0f);
position.y = 0.0f;
//Vector3 position(1.0f, 3.0f, -5.0f);
//position.y = 0.0f;
ICompareable* pComparable = nullptr;
pComparable = &ork;
pComparable->Compare(&ork);
(*pComparable).Compare(&ork); // same as line above, but more complicated to write
//ICompareable* pComparable = nullptr;
//pComparable = &ork;
//pComparable->Compare(&ork);
//(*pComparable).Compare(&ork); // same as line above, but more complicated to write
ICompareable* pComparables[] = { new Ork, new Ork, new Ork };
for (size_t i = 0; i < size(pComparables); i++)
{
//pComparables[i]->Compare(nullptr);
delete pComparables[i];
pComparables[i] = nullptr;
}
//ICompareable* pComparables[] = { new Ork, new Ork, new Ork };
//for (size_t i = 0; i < size(pComparables); i++)
//{
// //pComparables[i]->Compare(nullptr);
// delete pComparables[i];
// pComparables[i] = nullptr;
//}
ICompareable** pHeapComparables = new ICompareable*[10];
delete[] pHeapComparables;
pHeapComparables = nullptr;
//ICompareable** pHeapComparables = new ICompareable*[10];
//delete[] pHeapComparables;
//pHeapComparables = nullptr;
//Ork ork2(ork);
//ork2.name = "Ork2";
//ork2.Move();
return 0;
}