GAME MIDTERM

Question 1

What’s a Scene?

Answer 1

• Scenes contain the environments and menus of your game.
• A good rule of thumb is to have one scene for each “Section” of your game.
• Main menu, Level 1, Level 2 etc.

Question 2

What’s a game object?

Answer 2

• Every object in your game is called a GameObject from character to the camera

Question 3

What are components?

Answer 3

• The functional pieces of every GameObject

- Ex: Scripts, AudioSource, Colider, RigidBody

Question 4

What is a transform?

Answer 4

• Every GameObject is automatically created with a transform

- A transform stores info on position, rotation and scale of a game object

Question 5

What’s a Collider?

Answer 5

• Collider components define the shape of an object for the purpose of physical collisions

Question 6

What’s a RigidBody?

Answer 6

• A rigidBody will allow you to use Unity’s physics.

- By Default it will react to collisions and be pulled down by gravity

Question 7

What is Delta Time?

Answer 7

• The small time between frames. This matters to us because we need to achieve frame rate independance.

Question 8

What are the types of Randomness?

Answer 8

• Deterministic: We provide a starting seed to get the same random results
• Non-Deterministic: Always random no seed

Question 9

What two components does audio require

Answer 9

• Audio Listener: Created with the camera object

- Audio Source: Can be created on any game object

Question 10

What is the Canvas?

Answer 10

• The Canvas is the area that all UI elements should be inside
• All UI elements must be children of a Canvas

Question 11

What is Screen Space Overlay?

Answer 11

• Places UI elements rendered on top of the Scene

Question 12

What is Screen Space Camera?

Answer 12

• Canvas is placed a given distance in from of a camera.

- This means the camera settings affect the appearance of the UI

Question 13

What is World Space?

Answer 13

• The Canvas will behave as any other object in the scene.

- UI elements will render in front of or behind other objects in the scene based of 3D placement

Question 14

UI Canvas

Answer 14

• Creating a UI object will automatically create a Canvas

Question 15

What is Euler Rotation?

Answer 15

• Rotation around 3 axis
• Has a major flaw known as Gimbal Lock
• Occurs when 2 axis align therfore locking one axis out of rotation

Question 16

What is a Quaternion?

Answer 16

• Storing rotation info using 4 values. X,Y,Z,W

Question 17

What is a Prefab

Answer 17

• A Prefab is a GameObject that is setup and then saved for later use