February 2021
Intermediate to advanced
184 pages
4h 7m
English
book
Timing for Animation, 40th Anniversary Edition, 3rd Edition
by Harold Whitaker, Tom Sito, John Halas
Content preview from Timing for Animation, 40th Anniversary Edition, 3rd Edition
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Bird Flight
Birds are well adapted to fast movement through the air. They are streamlined and waste the minimum amount of energy in the air. The body enhances the movement by lying in the direction of the airflow. The legs are tucked up or trailed in flight.
The aerodynamics of bird flight is very complex and it is unnecessary to go into detail. The power stroke is the downward stroke against the cushion of air beneath the bird, and during it the air resistance closes the feathers and the wing makes as large an area as possible, to maximize the thrust. Birds have very large chest muscles to power the downstroke. The muscles controlling the upstroke are much smaller, as the air resistance is much less. During this stroke the wing folds partially ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.