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Hands-On Robotics with JavaScript

You're reading from   Hands-On Robotics with JavaScript Build robotic projects using Johnny-Five and control hardware with JavaScript and Raspberry Pi

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Product type Paperback
Published in Aug 2018
Publisher Packt
ISBN-13 9781789342055
Length 214 pages
Edition 1st Edition
Languages
Concepts
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Author (1):
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Kassandra Perch Kassandra Perch
Author Profile Icon Kassandra Perch
Kassandra Perch
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Toc

Table of Contents (14) Chapters Close

Preface 1. Setting Up Your Development Environment FREE CHAPTER 2. Creating Your First Johnny-Five Project 3. Building Interactive Projects with RGB LED 4. Bringing in Input with Buttons 5. Using a Light Sensor to Create a Night-Light 6. Using Motors to Move Your Project 7. Using Servos for Measured Movement 8. The Animation Library 9. Getting the Information You Need 10. Using MQTT to Talk to Things on the Internet 11. Building a NodeBots Swarm 12. Assessments 13. Other Books You May Enjoy

Chapter 8

  1. Animations are necessary for complex movements with multiple servos because timing is key for these movements, and moving all servos as fast as they can go with no easing makes complex movements nigh-impossible.
  2. A keyframe is an array of information about the locations of the servos in an animation at an arbitrary point in time, defined by the animation segment. 
  3. A cue point is a point in the animation that lines up with a keyframe. When these are combined with duration in the animation segment, you will get a time for each keyframe.
  4. The three pieces of an animation segment are the keyframes, the cue points, and the duration.
  5. Easing manipulates our animation keyframes and segments by changing the acceleration rate of the servos as they travel from one keyframe to another.
  6. The method of the animation object that stops the current segment and clears the animation...
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