If you are not familiar with the Processing language, read this chapter for an introduction to the creation of 2D shapes, use of geometry transformations and color, and how to handle touchscreen input. The chapter ends with a step-by-step example of a drawing sketch, which we will use in Chapter 3 to learn how to export and upload an app created with Processing to the Google Play Store.
A Programming Sketchbook for Artists and Designers
As we learned in the previous chapter, the Processing language, in conjunction with the PDE, makes it easier for users ...
