add pointer

add "dynamic" heap array
add polymorphic

CPlusPlus/Classes/Entity.cpp

@@ -11,6 +11,10 @@ Entity::Entity(std::string name) : name(name)
 	//this->name = name;
 }
 
+Entity::~Entity()
+{
+}
+
 std::string Entity::ToString()
 {
 	return name;

CPlusPlus/Classes/Entity.h

@@ -6,6 +6,7 @@ class Entity
 public:
 	Entity();
 	Entity(std::string name);
+	virtual ~Entity();
 
 	virtual std::string ToString();
 

CPlusPlus/Classes/ICompareable.h

@@ -3,5 +3,7 @@
 class ICompareable
 {
 public:
+	virtual ~ICompareable() {}
+
 	virtual int Compare(ICompareable* other) = 0;
 };

CPlusPlus/Classes/Monster.cpp

@@ -7,6 +7,10 @@ Monster::Monster(int strength) : Entity("My Monster"), _strength(strength)
 	this->name = "My Monster";
 }
 
+Monster::~Monster()
+{
+}
+
 //Monster Monster::Create(Monsters type)
 //{
 //	Monster monster;

CPlusPlus/Classes/Monster.h

@@ -13,6 +13,7 @@ class Monster : public Entity, public ICompareable
 {
 public:
 	Monster(int strength);
+	virtual ~Monster();
 
 	//static Monster Create(Monsters type);
 

CPlusPlus/Classes/Ork.cpp

@@ -6,6 +6,16 @@ Ork::Ork() : Monster(10)
 	this->name = "My Ork";
 }
 
+Ork::Ork(const Ork& other) : Monster(other._strength)
+{
+	this->name = other.name;
+	this->_speed = other._speed;
+}
+
+Ork::~Ork()
+{
+}
+
 void Ork::Move()
 {
 }

CPlusPlus/Classes/Ork.h

@@ -4,7 +4,9 @@
 class Ork : public Monster
 {
 public:
-	Ork();
+	Ork(); // default constructor
+	Ork(const Ork&); // copy constructor
+	~Ork(); // destructor
 
 	void Move() override;
 };

CPlusPlus/Classes/main.cpp

@@ -24,5 +24,22 @@ int main()
 	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* 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;
+
 	return 0;
 }