2009

The object's position at 1 and 2 are the keyframed models at different times. The
computer generates the in-between frames.
Comparing Frames and Time
Traditional animation methods, and early computer animation programs, are
rigidly locked to the concept of producing animation frame by frame. This is
okay if you always work in a single format or do not need to specify an
animated effect at a precise time.
Unfortunately, animation comes in many formats. Two of the more common
formats are film at 24 frames per second (FPS) and
NTSC video on page 8059 at
30 FPS. Also, the need for accurate time-based animation versus frame-based
animation is critical as animation becomes more common for scientific and
legal presentation.
Animation Concepts | 3081