Step 1:Create a new class called AssetManager.
In class I will show you how add to new methods based on what we did in Actor.h.
Step 2: Add an unordered_map to the class.
Step 3: In the constructor of the AssetManager add all the components yopuu are going to need
for your scene.
Step 4: Create a object of type AssetManager in your new Scene and use it to create
all the Actors you need.