The SparkFun Guide to Processing

2

Holiday Card

Now that you’re a rectangle-drawing champion, you’ll draw some other shapes and put them to good use. What better way to practice basic drawing than by creating a holiday card?

Through the metaphor of a paper collage, you’ll learn how to compose an image using shapes and lines in Processing. I’ll also give you a deeper look at the line() function and how you can modify lines in different ways. Put on your artist’s hat, because here we go!

GATHER YOUR MATERIALS

• Colored pencils

• Graph paper

DRAWING MORE SHAPES!

You can draw a number of basic shapes in Processing, and each shape is always defined by points on the Cartesian coordinate plane. Here is a rundown of the basic geometric shapes and the parameters that you need to pass ...