Movement and Mouselook

Question 1

How do you deal with Unity speeding up at higher FPSs?

Answer 1

Use Time.deltaTime and multiply that by the movement speed.

Question 2

Describe a left-handed coordinate system.

Answer 2

X-axis goes left to right.
Y-axis goes down to up.
Z-axis goes from out of the screen to into the screen.

Question 3

How do you limit numbers or vectors to a certain value?

Answer 3

By clamping them.

Mathf.Clamp()
Vector3.Clamp()

Question 4

How do you make a component required?

Answer 4

[RequireComponent (typeof(component))]

Question 5

How do you add a script to the component menu?

Answer 5

[AddComponentMenu(“menu/name”)]

Question 6

How do you stop the game world affecting the character’s rotation?

Answer 6

GetComponent(RigidBody)freezeRotation = true

Question 7

How do you make a character move?

Answer 7

Get input using Input.GetAxis(“Horizontal”) and Input.GetAxis(“Vertical”) and GetComponent().Move(Vector3) but use transform.TransformDirection(Vector3) on the vector first so it uses local axes.

Question 8

How do you get the mouse movement info?

Answer 8

Input.GetAxis(“Mouse X”)
Input.GetAxis(“Mouse Y”)

Returns float value from -1 to 1.