Splines
(Curves used to approximate a set of control points)
V
t
= (1-f(t))V
s
+ f(t)V
e
Smooth initiation and termination of changes (smooth-in and smooth-out)
Relatively constant rate of change in between
Example: f'(0) = f'(1) = 0, slope constant in middle of range
Smooth initiation and termination of changes (smooth-in and smooth-out)
Relatively constant rate of change in between
Example: f'(0) = f'(1) = 0, slope constant in middle of range