Lecture 4 (Camera Control)

Question 1

WTF is Roll, Pitch, Yaw, Zoom, Focal Length?

Answer 1

REFER TO A FUCKING PICTURE

Question 2

What are the ‘approaches’ to camera control?

Answer 2

User and Automatic

• User -> The Sims, the user simply has full control over the camera
• Automatic is just automatic……..

Question 3

What are the ‘application domains’ of camera control?

Answer 3

3D models, Visualisation, Games, etc.

Question 4

What are the ‘natures of the user’ for camera control?

Answer 4

Goals, expertise, etc

Question 5

WTF is ‘Eyeball in hand’?

Answer 5

Move camera, world stays fixed

• Certain views from far above/below cannot be achieved or are blocked by other objects

Question 6

WTF is ‘World in hand’?

Answer 6

Move world, camera stays fixed

• Useful in a single object case, but not very good in navigating a virtual environment

Question 7

WTF is ‘Walking’ in a navigation metaphor context

Answer 7

Height never changes, good because it’s natural for humans

• Only problem is collision with objects

Question 8

WTF is ‘Flying vehicle’?

Answer 8

Move around the world with no constraints

• Easy to get around 3D space