![](/img/trans.png)
[英]C++ How do I create a dynamic array of objects inherited from an abstract class?
[英]Array of inherited object from abstract class C++
我正在嘗試制作一組均從一個抽象類繼承的不同對象。 這可能嗎? 這是我所擁有的:
Human *human;
human = new Human(100,100);
Cyberdemon *cyberDemon;
cyberDemon = new Cyberdemon(100, 100);
Balrog *balrog;
balrog = new Balrog(100, 100);
Elf *elf;
elf = new Elf(100, 100);
人和精靈都繼承自Creature,后者是一個抽象類。 Cyberdemon和Balrog繼承自Demon類,該類也繼承自Creature。 使這四個對象組成數組的最佳方法是什么?
因為我喜歡代碼整潔:
Human *human = new Human(100, 100);
Cyberdemon *cyberDemon = new Cyberdemon(100, 100);
Balrog *balrog = new Balrog(100, 100);
Elf *elf = new Elf(100, 100);
std::vector<Creature*> creatureList{human, cyberDemon, balrog, elf};
或者,如果以后不再需要單獨的指針,則:
std::vector<Creature*> creatureList{
new Human(100, 100),
new Cyberdemon(100, 100),
new Balrog(100, 100),
new Elf(100, 100)
};
或者,整潔又安全(感謝Kerrek SB):
std::vector<unique_ptr<Creature>> creatureList{
std::make_unique<Creature>(100, 100),
std::make_unique<Cyberdemon>(100, 100),
std::make_unique<Balrog>(100, 100),
std::make_unique<Elf>(100, 100)
};
std::vector<Creature*> creatureList;
Human *human;
human = new Human(100,100);
createList.push_back(human);
Cyberdemon *cyberDemon;
cyberDemon = new Cyberdemon(100, 100);
createList.push_back(cyberDemon);
Balrog *balrog;
balrog = new Balrog(100, 100);
createList.push_back(barlog);
Elf *elf;
elf = new Elf(100, 100);
createList.push_back(elf);
或者,稍微簡化一下:
std::vector<Creature*> creatureList;
createList.push_back(new Human(100,100));
createList.push_back(new Cyberdemon(100, 100));
createList.push_back(new Balrog(100, 100));
createList.push_back(new Elf(100, 100));
如果您能夠使用C ++ 11,則可以進一步簡化它(感謝Chnossos)。
std::vector<Creature*> creatureList = { new Human(100,100),
new Cyberdemon(100, 100),
new Balrog(100, 100),
new Elf(100, 100) };
聲明:本站的技術帖子網頁,遵循CC BY-SA 4.0協議,如果您需要轉載,請注明本站網址或者原文地址。任何問題請咨詢:yoyou2525@163.com.