The task needs to be done in processing language code. your job is to Implement a class HappyFace : 1. A HappyFace has position x, y and radius r, all of float

The task needs to be done in processing language code. your job is to Implement a class HappyFace : 1. A HappyFace has position x, y and radius r, all of float type. 2. A HappyFace has fill color and