Lesson 2 - Chapter 1: 3-D Graphics

Question 1

What are sprites?

Answer 1

fixed 2D images used in early 3D games (like FF7)

Question 2

A true 3-D object is composed of a group of points called

Answer 2

vertices (X, Y, Z position in a 3D world)

Question 3

What is transformation?

Answer 3

the tracking and calculation of all objects in the 3-D world (motionless, animation, moving, etc)

Question 4

What are polygons?

Answer 4

the groups of triangle-connected vertices that make up various shapes

Question 5

What are textures?

Answer 5

image files a 3-D game stores to give an object a surface

Question 6

What does API stand for?

Answer 6

Application Programming Interface

Question 7

What are APIs for?

Answer 7

an API is a library of commands that app developers can reference in their programming (like when making a game to speed up character models)

Question 8

Where are API commands sent to?

Answer 8

the video device’s driver

Question 9

What are 2 of the most popular 3-D graphics APIs?

Answer 9

1. DirectX
2. OpenGL

Question 10

A problem in games where characters or backgrounds don’t render properly (missing body parts, missing ground or solid color only) points to what type of issue?

Answer 10

a driver issue