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Learning Processing, 2nd Edition by Daniel Shiffman

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1

Pixels

A journey of a thousand miles begins with a single step.

—Lao-tzu

In this chapter:

 Specifying pixel coordinates

 Basic shapes: point, line, rectangle, ellipse

 Color: grayscale, RGB

 Color: alpha transparency

Note that you are not doing any programming yet in this chapter! You are just dipping your feet in the water and getting comfortable with the idea of creating onscreen graphics with text-based commands, that is, “code”!

1-1 Graph paper

This book will teach you how to program in the context of computational media, and it will use the development environment Processing (http://www.processing.org) as the basis for all discussion and examples. But before any of this becomes relevant or interesting, you must first channel your eighth-grade ...

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