How to Instantiate Enemy Prefabs Without Knowing the Name

Question

If I have many prefabs and I want to instantiate them all, how do I do it without having to rewrite the same code.

I think using a loop then calling Instantiate, but all prefabs are different name, so how can I put them in a list?

for(int i =0; i < size; i++)
   Instantiate(prefabName);

Answer 1

You need to create a base class that all your Enemies inherit from.

public interface Enemy
{
}

Then make all your Enemy prefabs inherit from this.

public class Red_Enemy : MonoBehaviour, Enemy
{
}

Then in the class that spawns Enemies you can make an array.

public Enemy [] list;

foreach(Enemy e in list)
   Instantiate(e);

You can simply populate the list via the Editor by drag and drop.

Answer 2

You can use a generic name like E1, E2, E3... for enemies and keep enemy prefabs on a directory such as Prefabs > Resources > PrefabName and then you can use the loop as,

for(int i =0; i < size; i++)
   Instantiate(Resources.Load("E"+i), position, rotation); 
   // "E"+i for E1, E2 ...

Note: Resources.Load() looks for a path such as Assets/Resources