Read e-book online JavaScript Creativity: Exploring the Modern Capabilities of PDF

By Shane Hudson

ISBN-10: 1430259450

ISBN-13: 9781430259459

Foreword by means of Jeremy Keith.

JavaScript Creativity teaches you the way to exploit each characteristic of this flexible and strong language in intriguing and inventive methods. JavaScript can be utilized for therefore even more than uncomplicated interactivity. grasp your use of canvas, animation, audio and video, 3D visualizations, movement detection and real-time collaboration. In each bankruptcy of this publication you'll easy methods to use and evolve JavaScript's artistic features on your personal tasks, in addition to having undertaking examples to stick with all through. particularly, you are going to learn the way to:

* Expertly use canvas and animation
* Push audio and video to their complete capabilities
* Code and manage complicated 3D visualizations
* Create your individual tune at once from the browser
* enforce real-time collaboration with Node.js
* discover real-time audio and video with WebRTC
* Play with movement detection and gesture control
* mix all positive aspects into one social tune construction scan, just like Google's 'Jam with Chrome'

JavaScript Creativity is for the developer who has a operating wisdom of JavaScript and needs to take their code to the subsequent point. each characteristic explored should be manipulated and carried out on your daily tasks to truly galvanize your consumers or simply elevate your code ability. This ebook is an exhilarating, action-packed creation to all of the complicated and actually inventive facets of this language - commence inventive coding this present day!

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Analyzing Audio First, we need to create both an audio context and an analyzer that we then connect together. The context is the interface that gives access to all properties of the audio, as well as the methods that are used to create and connect nodes. destination); You will note that I am using createMediaElementSource within a “source” variable. This simply re-routes the audio from the

Net/javascript-creativity/. You now have your coloring book as shown in Figure 2-3. Figure 2-3. This figure shows a photo of penguins that has been turned into line art and painted on using canvas Summary You should now feel confident about some of the math behind animation, such as linear interpolation. You should also feel that you understand requestAnimationFrame and generally how to set up the framework of an animation. I included some drag-and-drop because I find pure “let’s paint some lines” kind of drawing examples boring.

Animations are not needed for everything, but they can be both decoration as well as extremely useful. I would love to see what you come up with! 33 CHAPTER 3 Audio and Video Basics If we are talking about interactivity, we are going to want to use audio and video. For years we had to use “hacks” such as Flash or Silverlight to add these crucial elements to the web, but we now have audio and video built directly into HTML. In this chapter we go through the ins and outs of both elements (that is,

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JavaScript Creativity: Exploring the Modern Capabilities of JavaScript and HTML5 by Shane Hudson

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