Question 1

The area of the screen used to display the Camera's contents is called the:
A) Viewport
B) Viewfinder
C) Viewing area
D) Camera display

Accepted Answer

The term "Viewport" refers to the area of the screen where the contents of the camera are displayed.

Question 2

Ogre keeps rendering frames until .
A) frameEnded returns true
B) keyPressed returns false
C) frameStarted returns false
D) the window is closed

Accepted Answer

Ogre will continue rendering frames until the frameStarted method returns false, indicating that the rendering loop should stop.

Question 3

Visual Studio Express Editions require that be installed to run Ogre.
A) Service Pack 1.
B) Microsoft Platform SDK.
C) Ogre SDK.
D) all of the above.

Accepted Answer

The Microsoft Platform SDK is a set of header files and libraries that are required for developing applications for the Microsoft Windows operating system. The Ogre SDK is a set of libraries and tools that are required for developing 3D graphics applications. Service Pack 1 is a cumulative update for the Microsoft Windows operating system that includes a number of bug fixes and security updates.

Question 4

The location of a SceneNode is relative to the:
A) origin
B) parent node
C) top-left corner of the screen
D) root node

Accepted Answer

The answer of The location of a SceneNode is relative...

Question 5

The area Ogre renders graphics in is called the:
A) graphics area
B) render window
C) screen
D) viewport

Accepted Answer

The answer of The area Ogre renders graphics in is...

Question 6

Any SceneNode can be retrieved using the member function of class SceneM?anager.
A)getChildSceneNode
B)getNode
C)getRootSceneNode
D)getSceneNode

Accepted Answer

The correct function to retrieve any SceneNode from the SceneManager class is getSceneNode.

Question 7

A Light in Ogre has a specified position and direction.
A) Point
B) Radiant
C) Spot
D) Directional

Accepted Answer

A spot light in Ogre has a specified position and direction, which allows it to cast focused light onto a specific area. A point light emits light equally in all directions from a single point, a radiant light emits light in all directions from multiple points, and a directional light emits light constantly in a specific direction.

Question 8

Ogre usually uses an) to display text.
A) text box
B) material
C) text field
D) overlay

Accepted Answer

Ogre uses overlay to display text over the 3D scene. It allows for easy positioning, size, and color customization of the text.

Question 9

By default, SceneNode translations are done in space.
A) world
B) screen
C) local
D) parent

Accepted Answer

The answer of By default, SceneNode translations are done in...

Question 10

It's common to use a statement to respond to KeyEvents.
A)switch
B)for
C)while
D)do while

Accepted Answer

The switch statement is often used to handle different key events and perform different actions based on the key pressed.

Question 11

The object is used to create SceneNodes.
A) Root
B) SceneManager
C) ResourceManager
D) SceneNodeFactory

Accepted Answer

The SceneManager is responsible for creating and managing SceneNodes in a scene graph.

Question 12

A class that receives notification of KeyEvents must inherit from the class.
A) KeyHandler
B) KeyListener
C) EventListener
D) KeyEvent

Accepted Answer

To receive notification of KeyEvents, a class must implement the KeyListener interface. Therefore, the best choice is B, KeyListener. Option A, KeyHandler, is not a valid class or interface. Option C, EventListener, is a general interface that other specific event listener interfaces, such as KeyListener, extend. Option D, KeyEvent, is a class that represents a key press or release event, but it is not an interface that can be implemented.

Question 13

OgreAL uses an) object to represent an audio clip.
A)Effect
B)SoundEffect
C)Audio
D)Sound

Accepted Answer

OgreAL uses the object "Sound" to represent an audio clip. The other options are incorrect - "Effect" and "Audio" are not specific enough, and "SoundEffect" is not a class in OgreAL.

Question 14

Use the SceneNode member function to retrieve the location of an object in the scene.
A)getLocation
B)getVector3
C)getPosition
D)getSceneNode

Accepted Answer

The member function getPosition is the appropriate choice for retrieving the location of an object in the scene. It returns a Vector3 representing the position of the SceneNode. The other choices either return the SceneNode itself or a vector, but not the object's position.

Question 15

Attach sounds to a SceneNode using the function.
A)attachSound
B)attachObject
C)setSound
D)createSound

Accepted Answer

The function to attach sounds to a SceneNode is "attachObject".

Question 16

The first element in an overlay must be an) .
A) PanelOverlayElement
B) TextAreaOverlayElement
C) OverlayElement
D) OverlayContainer

Accepted Answer

The answer of The first element in an overlay must...

Question 17

Color depth determines:
A) how many colors can be displayed
B) how bright colors are
C) how transparent colors are
D) how dark colors are

Accepted Answer

Color depth determines how many colors can be displayed.

Question 18

Which of type of light in 3D graphics determines how shiny an object appears?
A) ambient
B) specular
C) diffuse
D) emissive

Accepted Answer

Specular light is used to determine the shininess of an object in 3D graphics. It is responsible for creating highlights and reflections on the surface of an object, based on the angle of the viewer and the position of the light source. Ambient light affects the overall brightness of an object, while diffuse light determines the color and shadowing. Emissive light is used to make an object appear to emit its own light.

Question 19

Resources managed by a ResourceManager include
A) material scripts
B) overlay scripts
C) 3D models
D) all of the above

Accepted Answer

A ResourceManager is responsible for managing and providing access to various types of resources such as material scripts, overlay scripts, and 3D models. Therefore, all of the options (A, B, and C) are correct.

Question 20

A color value of 1, 1, 1) represents the color:
A) black
B) yellow
C) aqua
D) white

Accepted Answer

The color value (1,1,1) represents the RGB value of white. All three color channels are at their maximum value, resulting in the color white.

Quiz 27: Game Programming With Ogre

The area of the screen used to display the Camera's contents is called the:

Ogre keeps rendering frames until .

Visual Studio Express Editions require that be installed to run Ogre.

The location of a SceneNode is relative to the:

The area Ogre renders graphics in is called the:

Any SceneNode can be retrieved using the member function of class SceneM?anager.

A Light in Ogre has a specified position and direction.

Ogre usually uses an) to display text.

By default, SceneNode translations are done in space.

It's common to use a statement to respond to KeyEvents.

The object is used to create SceneNodes.

A class that receives notification of KeyEvents must inherit from the class.

OgreAL uses an) object to represent an audio clip.

Use the SceneNode member function to retrieve the location of an object in the scene.

Attach sounds to a SceneNode using the function.

The first element in an overlay must be an) .

Color depth determines:

Which of type of light in 3D graphics determines how shiny an object appears?

Resources managed by a ResourceManager include

A color value of 1, 1, 1) represents the color: