What is the difference between the Physics.Raycast method and the UI GraphicsRaycaster class

Module 4 Quiz >>> What is the difference between the Physics.Raycast method and the UI GraphicsRaycaster class >>> Mobile VR App Development with Unity

 

1.
Question 1
What is the difference between the Physics.Raycast method and the UI GraphicsRaycaster class? Select all that apply.

1 point

• GraphicsRaycaster only works from the point of view of the headset.

 

• Physics.Raycast needs a collision component on the target objects to work

 

• The GraphicsRaycaster class uses mouse pointer data and the Physics method uses a Ray structure

 

• The Physics.Raycast method works in world space and the GraphicsRaycaster works in screen space.

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8.
Question 8
What concerns are there when attaching text to the VR controller? Select all that apply.

1 point

• Text may get in the way of something you want to see if controller has ‘aiming’ action

 

• Attaching objects to the controller hurts performance

 

• Uncertain background color if text has transparent background

 

• There’s no guarantee the user will ever look at their controller without prompting

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