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Crank Storyboard design guidelines
3 Crank Storyboard best practices
PHD API Reference
Animation rate
The system may not be able to keep up with multiple animations with high frames per
second rates. If this happens, Storyboard Engine will drop frames, doing extra work to do
so. The end result may be an animation with even lower frames per second than could
have been achieved by just choosing an appropriate frames per second. An animation rate
of 14 frames per second will look good enough on most simple animations, though the
results may vary depending on the target of the animation, the length of the animation, and
the over- or under-laying screen components.
Different animation frame rates should be tested on the target hardware to strike a balance
between animation appearance and performance.