In this project you will write a program that takes user input from the mouse to allow the user to interact with your program. You may find the following functions and variables helpful (you can find full descriptions at processing.org):
mouseButton
mouseClicked()
mouseDragged()
mouseMoved()
mousePressed()
mousePressed
mouseReleased()
mouseWheel()
mouseX
mouseY
pmouseX
pmouseY
Your program can work anyway you want, have fun and be creative!