Year 9 Game Development 2 - Classes and Objects

• Computer Science
• Lower Secondary (Key Stage 3)

What do you remember about:
Agile project management?
Assets?
Iterative development?

Game Development 2 - OOP

Key Vocabulary:

Interactive

Gameplay

State

Player

AI

Class

Parent

Inheritance

Object

User interface

Today's lesson objectives:

Explore what states are

Learn how states contribute to the way games are played

Learn the features of Object Oriented Programming and why it’s so useful for creating games

Start thinking about the importance of how games feel to play – the user experience

🥈 Silver Badge:

Fully answer the following questions on states and OOP.

🥈 Silver badge:
How many different ways are there to set these switches?
How might you be able to use these switches to communicate something?

Answers

There are 4 ways to set these switches:

off, off

off, on

on, off

on, on

We could communicate by turning on different lights, for example. The combinations of the two switches would give us four different options for what we want to communicate.

Think:

What might "Object Oriented Programming" mean?

Pair:

What might "Object Oriented Programming" mean?

Share: What might "Object Oriented Programming" mean?

🥇 Gold Badge

Complete the following questions on objects

Objects

Everything is an object

What makes a cat, a cat?

Objects

Everything is an object

What makes a cat, a cat?

Two things:

Attributes (a cat has/is...) and Methods (a cat can do...)

Those two things make up all objects in programming.

Objects have attributes and methods.

What are attributes and methods?

🥉 Platinum Badge: State Classy 

The video and questions are for your platinum badge, answer depth should be appropriate.

Take notes on the video and then answer the question to a platinum standard.

Think of a game you have played recently.

Write a list of what you think its states might be, and then explain what the player does to move between them.

In your answer, explain how using these states helps the game keep track of what is happening.

Pick one:
What data might you store in the class for:
A zombie, in a shooter, like Call of Duty?
A hat, in a fashion game, like Dress To Impress?

06:17

Think of a game you've played recently.
Name two features you think are classes.

06:50

In the game you thought of, how has the developer reused a class?

07:22

Pick one:
What data might you store in the class for:
A zombie, in a shooter, like Call of Duty?
A hat, in a fashion game, like Dress To Impress?