Unity Quiz #3

Which of the following are ways to programmatically access an active GameObject?

• GameObject.Find()

• GameObject.FindObjectsWithTag()

• the variable gameObject

• GameObject.FindWithTag()

Which method would you use to programmatically access a GameObject with a unique name?

• GameObject.Find()

• GameObject.FindWithTag()

• GameObject.FindObjectsWithTag()

• gameObject

Which method would you use to programmatically access the GameObject the script is attached to?

• GameObject.Find()

• GameObject.FindWithTag()

• GameObject.FindObjectsWithTag()

• The variable gameObject

Which of the following will provide programmatic access to a single GameObject?

• GameObject.Find()

• GameObject.FindWithTag()

• GameObject.FindObjectsWithTag()

• None of these options.

Which of the following will provide programmatic access to an array of GameObjects?

• GameObject.Find()

• GameObject.FindWithTag()

• GameObject.FindObjectsWithTag()

• None of these options.

If GameObject.Find() does not find the specified GameObject, what will happen?

• It searches again until it finds it.

• The program crashes.

• It will print out an error.

• It will return null (a programming representation for “nothing”)

If GameObject.FindObjectsWithTag() does not find any GameObjects with the specified tag, what happens?

• The program crashes.

• It will print an error message.

• It will return an empty array.

• It will return null (a programming representation for “nothing”)

A character starts at (0, 3, -1) and has a velocity of (0, 1,1) units per second. What is the character’s new position after 1 second?

• (0, 3, -1)

• It cannot be determined.

• (0, 4, 0)

• (0, 2, -2)

You want to program an enemy to travel towards the player's character. Which vector operation would you use to accomplish this?

• addition

• subtraction

• normalize

• magnitude

• multiplying by a scalar (or number)

What does Vector.Normalize() do?

• It gives you a vector that is not weird.

• It take a vector and returns the same vector with a magnitude of 1.

• It takes a vector and returns the same vector with the opposite direction.

• It tells you whether two vectors form a 90° angle.