2D Game Development 2D Game Design and Development 4

Question 1

What is the 'game loop' responsible for?

Accepted Answer

Repeatedly processing input, updating state, and rendering

Answer

Only loading the main menu

Answer

Compiling shaders at runtime

Answer

Storing high scores online

Question 2

What is a 'state machine' often used for in 2D games?

Accepted Answer

Managing distinct behaviors like idle, walk, jump, and attack

Answer

Rendering background gradients

Answer

Compressing texture atlases

Answer

Measuring frame rate

Question 3

What does 'culling' (e.g., frustum or viewport culling) improve?

Accepted Answer

Performance by skipping rendering of off-screen objects

Answer

Audio clarity

Answer

Save file integrity

Answer

Network latency

Question 4

In an entity-component system (ECS), what is a 'component'?

Accepted Answer

A piece of data describing one aspect of an entity

Answer

The main rendering window

Answer

A compiled shader program

Answer

The game's audio mixer

Question 5

What is 'object pooling' used to optimize?

Accepted Answer

Reusing objects to avoid frequent allocation and garbage collection

Answer

Increasing screen resolution

Answer

Encrypting network packets

Answer

Sorting the leaderboard

Question 6

Why might a 2D game use a 'fixed timestep' for physics updates?

Accepted Answer

To keep physics simulation deterministic and stable

Answer

To make graphics higher resolution

Answer

To reduce the number of sprites

Answer

To skip collision checks

Question 7

What is the role of a 'camera' object in a 2D game?

Accepted Answer

To define which part of the world is shown on screen

Answer

To capture player screenshots only

Answer

To record audio input

Answer

To store the player's inventory