Game Art Game Art MCQ 2

Question 1

What is the purpose of a normal map in 3D game art?

Accepted Answer

To simulate fine surface detail without adding geometry

Answer

Normal maps encode surface direction data in RGB channels to fake high-frequency detail on low-poly meshes.

Question 2

Which color space should diffuse/albedo textures typically be stored in for physically based rendering?

Accepted Answer

sRGB

Answer

Albedo textures are authored in sRGB because that matches how monitors display color and how artists perceive them.

Question 3

In a PBR metalness workflow, what value should a pure metal surface have in the metalness map?

Accepted Answer

1

Answer

A value of 1 (white) in the metalness map marks a surface as fully metallic, affecting how reflections and albedo are interpreted.

Question 4

What does LOD stand for in the context of game asset optimization?

Accepted Answer

Level of Detail

Answer

Level of Detail (LOD) systems swap high-poly models for lower-poly versions as objects move farther from the camera.

Question 5

Which UV mapping technique is best suited for seamless tiling on large terrain surfaces?

Accepted Answer

Triplanar mapping

Answer

Triplanar mapping blends three orthogonal projections to eliminate visible seams on complex terrain without explicit UV coordinates.

Game Art Practice Test