Open the project's VideoSynth folder and find the src folder there. It contains the project's source code files, as shown in the following screenshot:
The project's folder contents (the center column) and its source code files placed in the src folder (the right column)
There are three source files:
main.cpp: This file contains the code to initiate a window and run the app. We will leave it unchanged.ofApp.h: This file is a declaration of theofAppapplication class, which consists of a declaration of the functions, such assetup(),update(),draw(), and some others. Currently, we do not need to add anything there.ofApp.cpp: This file contains definitions of declared functions. This is the file we will edit right now.
The following functions, declared in the ofApp class, are called by the openFrameworks engine:
setup(): This function is called once at the beginning of the application execution. This is the place to implement a project's initialization...