About multiWindowOneAppExample

Learning Objectives

This example demonstrates how an eventListener added to a GUI window uses the values of the parameters displayed to update the appearance of a circle in the main window.

In the code, pay attention to:

• ofAddListener to add a listener method to the GUI window using events().draw
• ofParameterGroup A collection of parameters with events to notify if a parameter changed
• ofParameter holds a value and notifies its listeners when it changes

Expected Behavior

• A circle displayed at the center of the main window changes in color, opacity and scale based on the parameters values of a GUI displayed in a separate window.

Instructions for use:

• drag the sliders of the parameters radius, r, g, b, a, to modify the appearance of the circle.

Other classes used in this file

This Example uses no other classes.