Summary

The Builder pattern isn’t something you’ll commonly run into with Unity because the Editor makes object construction so intuitive and visual. However, when your project runs into scenarios where objects need to be created or updated at runtime, or while the player actively modifies some aspect of the object in real time, programmatic construction is going to be your best friend.

Remember, the Builder pattern assembles complex objects while separating the construction process from the object’s representation. Each of your products has a reference to all its component parts and can add new components whenever you need, while the Builder interface defines the common methods to build each part of the product. Concrete Builder (or Builders) are the corresponding builder classes for each different product representation, which leaves the Director class to initiate and manage all object creation using the builder interface method. The construction process...