2D Game Development Engine 2

Question 1

In a 2D game engine, what does the 'game loop' primarily coordinate each frame?

Accepted Answer

Updating game state and rendering output

Answer

Compiling shader code

Answer

Allocating disk storage

Answer

Encrypting save files

Question 2

What is the main advantage of a fixed timestep over a variable timestep for physics updates?

Accepted Answer

Deterministic, stable simulation

Answer

Higher rendering resolution

Answer

Smaller texture memory

Answer

Faster asset loading

Question 3

Which engine subsystem is responsible for drawing sprites to the screen?

Accepted Answer

The renderer

Answer

The audio mixer

Answer

The input manager

Answer

The file loader

Question 4

What does 'delta time' represent in a game engine?

Accepted Answer

Time elapsed since the last frame

Answer

Total game runtime

Answer

GPU memory usage

Answer

Number of active sprites

Question 5

In an entity-component system (ECS), what holds the actual data for behavior like position?

Accepted Answer

Components

Answer

Systems

Answer

Render passes

Answer

Shaders

Question 6

Why do many 2D engines use a scene graph or layered structure?

Accepted Answer

To organize draw order and transforms hierarchically

Answer

To compress audio

Answer

To handle network packets

Answer

To manage GPU drivers

Question 7

What is the purpose of double buffering in a 2D engine's renderer?

Accepted Answer

Prevent visible tearing and flicker

Answer

Double the frame rate automatically

Answer

Halve memory usage

Answer

Skip input handling