August 2015
Beginner to intermediate
312 pages
6h 24m
English
Content preview from The SparkFun Guide to ProcessingBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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5
Enter the Matrix
You’ve created a number of wonderful things from shapes and lines, and even moved shapes around using an if() statement. Now I’ll cover how to combine the concepts you’ve learned to create images and transform all the pieces of your sketch at once, rather than transforming individual shapes.
WHAT IS A MATRIX?
When you create individual shapes with Processing, you’re actually placing them on a matrix. In simple Processing projects, you can think of a matrix as a way to group a lot of shapes and treat them as a single object. It’s a bit like drawing on a piece of paper: if you wanted to move the picture, you could erase it and redraw it—or you could simply move the whole piece of paper.
Without a matrix, you’d have to move every ...
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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.