UCA Game Development Foundations 2

Question 1

Which Unity component is responsible for detecting collisions without applying physics forces to the object?

Accepted Answer

Collider set as Trigger

Answer

Setting a Collider's 'Is Trigger' property to true allows collision detection via OnTriggerEnter without generating physical forces.

Question 2

In Unity's coordinate system, which axis points upward by default?

Accepted Answer

Y-axis

Answer

Unity uses a left-handed coordinate system where the Y-axis points upward by default.

Question 3

What is the purpose of Unity's Time.deltaTime in game logic?

Accepted Answer

Make movement frame-rate independent

Answer

Multiplying movement values by Time.deltaTime ensures consistent speed regardless of frame rate.

Question 4

Which rendering mode in Unity's Standard Shader makes a surface fully opaque with no transparency?

Accepted Answer

Opaque

Answer

The Opaque rendering mode renders the material without any transparency, which is the most performant option.

Question 5

What does the term 'Game Loop' refer to in game development?

Accepted Answer

The repeating cycle of input-update-render each frame

Answer

The game loop is the core cycle that processes player input, updates game state, and renders the scene each frame.

(UCA) Unity Certified Associate Game Developer Practice Test