M5 - Transformations Flashcards
1
Q
What is a TRANSFORMATION?
A
The way to define how an object is drawn to the screen
2
Q
What are the 3 major transformations?
A
Translate - movement
Rotation - circular movement around an axis
Scaling - changing size
3
Q
How are transformations stored?
A
Typically in 4x4 matrix
4
Q
What does pushMatrix , popMatrix do?
A
pushMatrix() - create a new transformation frame
popMatrix() - revert back to the previous transformation frame.
5
Q
What is the difference between a “local” and a “world” transformation?
A
Local transforms relative to its axis, and World transforms relative to the world axis
6
Q
What do you call a collection of connected transformations?
A
transformation frame
7
Q
What do you call the relationship between two connected transformations?
A
matrix stack
