using ar foundation in unity coursera week 3 quiz answers

Asteroids AR: Add physics and scoring quiz

1. Ross wants to improve the performance of his AR game. His game doesn’t require plane detection or anchor tracking, so he deactivates the Plane Manager and Anchor Manager. Can Ross expect a performance improvement? Select the best answer.

  • Yes
  • No

2. To use methods such as Instantiate or Transform, your C# script must inherit which of the following? Select the best answer.

  • UnityEngine
  • MonoBehaviour
  • CreateObject
  • ScriptableObject

3. According to the game design document, what happens when a large asteroid's health reaches zero in the game? Select the best answer.

  • Two medium-sized asteroids are created
  • Another large asteroid is created.
  • The game speed increases.
  • The player’s health increases.

4. Select all that apply to fill in the blanks. The primary purpose of the SpawnColliderArea.cs script in the Asteroids AR project is to _______________________, _______________________ and _______________________.

  • instantiate the asteroid prefab clones
  • rotate the asteroids toward the planet GameObject
  • control the area where the asteroids will randomly spawn
  • set the collider bounds to a random range

5. In the Asteroids AR project, the MoveForward.cs script uses the Update method to multiply the _MyTransform vector by _moveSpeed and deltaTime, which translates to a move speed per second. Select the best answer.

  • True
  • False

6. Select the best answer to fill in the blank. To remove an asteroid from the game instance, you created a Destroy Object (Script) that uses the _____________________ method.

  • GameObject
  • Unity.Engine
  • SerializeField
  • Object.Destroy

7. In the Asteroids AR game, the Player.cs script uses the Input.GetMouseButtonDown() method to detect when the player taps the screen and subsequently triggers the shooting event. Select the best answer.

  • True
  • False

8. In the Asteroids AR game, make sure the “Use Gravity” setting is enabled for the Rigidbody component of the asteroid prefabs. Select the best answer.

  • True
  • False

9. Which type of collider is added to the PlayerBullet prefab in the Asteroids AR game? Select the best answer.

  • Sphere Collider
  • Capsule Collider
  • Box Collider
  • Mesh Collider

10. Which of the following best describes a game manager? Select the best answer.

  • A script that manages the game’s overall behavior and interacts with other objects in the game
  • A specific condition that the game can be in at any given time
  • A variable that stores information about the state of the game
  • A special type of asset that can be used to manage data separately from GameObjects

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