FREE OpenGL Computer Graphics Questions and Answers

Question 1

What are a 3D transformation matrix's dimensions?

Accepted Answer

3x3

Question 2

In OpenGL, is it possible to specify the location of a light source?

Accepted Answer

Yes

Answer

Explanation:
In OpenGL you can specify the location of a light source using various functions provided by the OpenGL API.

Question 3

How can one revolve about a location other than the origin?

Accepted Answer

Translate to origin, rotate about origin, then translate back to original position

Question 4

What stands for GLUT?

Accepted Answer

Opengl utility toolkit

Answer

Explanation:
GLUT is a library of utility functions for OpenGL programming that simplifies the process of creating windows and handling input events. It provides a set of functions that allow programmers to create windows, menus, and user interfaces for their OpenGL applications, without having to worry about the low-level details of window management and event handling.

Question 5

What is glMaterialf(...) used for?

Accepted Answer

Defines the material properties of a drawn object for visual effects

Answer

Explanation:
The glMaterialf function in OpenGL is used to set a single floating-point value for a specific material property of a drawn object. The material properties defined using this function affect the way that an object interacts with light, and can be used to achieve various visual effects.

OpenGL Practice Test

OpenGL Practice Test

FREE OpenGL Computer Graphics Questions and Answers