3D basic Concepts quiz

What is a Mesh?

• a collection of vertices, edges and faces that define the shape of a 3D model

• a group of vertices that are linked together, making a shape

• A collection of polygons, lightning and cameras

• the process of calculating light and shadow information into the 3D geometry or texture of your model.

A ______ is the most basic part of a 3D polygon, when three or more vertices conect to make a visible surface.

What is a "Normal" defined as?

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Why is it not recommended that a polygon has 3 sides, or more than 4?

• Commonly, it requires more computer power to process these polygons, so the program may crash

• 3D animation only allows 4-sided polygons, as the system is not equipped to create 3-sided ones

• Polygons with more or less than 4-sides usually cause issues when processing shadows, lights or textures.

• False. A polygon can have any number of sides, and it is not recommended to keep them 4-sided

How can you switch the view to a Front (Orthographic) view? (2 valid answers, provide either)

What is "topology"?

• The way that a 3D program processes how light behaves

• The union of 2 or more vertices, also called "edge"

• The way that polygons in a mesh are organized and connected to one another

• The smallest part of a 3D model, where there is an intersection of three or more edges

True or False.

It is always mandatory to design a model in Perspective View, so that you always have depth of field and can see it in 3d.

• True

• False

If you wish to rotate the view you're working in, how can you do so? Please indicate 2 different ways to do it.

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