1 The Fundamentals of Drawing
Sketch 1: A Circle
Drawing a circle requires quite a bit of code in C or Java, but it’s one of the simplest programs in Processing. There isn’t a circle function in Processing, so to draw a circle we draw an ellipse that has equal width and height, which is the same thing as a circle.
Example A
The setup() function calls the predefined
size() function to open a sketch window with a width of 400 pixels and a
height of 300 pixels 1.
The draw() function draws a circle every time it’s called (60 times per second
by default) with the ellipse() function, which has four parameters. The first and second parameters ...
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