November 2011
Intermediate to advanced
502 pages
11h 55m
English
Content preview from Foundation HTML5 Animation with JavaScript
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Chapter 4
Trignometry for Animation
What we'll cover in this chapter:
- Colors on the canvas
- The drawing API
- Loading images
- Pixel manipulation
So far, the graphics drawn in the book example programs have used a few simple commands, and the “canvas drawing API” has been alluded to a number of times. But for the most part, the code has been provided without much explanation.
In this chapter, we look at creating visual content using the canvas element. Specifically, you'll see how to work with color using JavaScript, and take a brief tour of the canvas drawing API.
Colors on the canvas
Colors applied to the canvas element are specified using CSS-style ...
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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.