Motion Graphics 3D Animation and Motion 2

Question 1

What does 'UV mapping' do in 3D texturing?

Accepted Answer

Projects a 2D texture onto a 3D surface by assigning 2D coordinates to 3D vertices

Answer

UV mapping unwraps a 3D model into a 2D space, assigning UV coordinates that define how a 2D texture image is applied to the 3D surface.

Question 2

What is 'global illumination' in 3D rendering?

Accepted Answer

A rendering technique that simulates how light bounces between surfaces, creating realistic indirect lighting

Answer

Global Illumination (GI) simulates the way light reflects and bounces between surfaces, producing realistic color bleeding and soft indirect lighting.

Question 3

What does the term 'subsurface scattering' describe?

Accepted Answer

Light that penetrates a translucent material and scatters inside before exiting, used for skin and wax

Answer

Subsurface Scattering (SSS) simulates how light enters a translucent material, bounces internally, and exits at a different point — critical for realistic skin rendering.

Question 4

What is the 'Z-depth' or 'depth pass' used for in 3D motion graphics?

Accepted Answer

A render pass that stores distance from camera, used to add depth of field or fog in compositing

Answer

A Z-depth pass renders each pixel's distance from the camera as a grayscale value, which compositors use to add realistic depth of field or atmospheric effects.

Question 5

What is a 'particle system' in 3D and motion graphics applications?

Accepted Answer

A system that generates and controls large numbers of small objects to simulate effects like fire, smoke, rain, or dust

Answer

A particle system spawns and controls large quantities of small elements with shared properties — velocity, size, lifetime — to create natural phenomena like smoke, sparks, or snow.

Motion Graphics Practice Test

Motion Graphics Practice Test

Motion Graphics 3D Animation and Motion 2