using-the-mousewheel-scrollwheel-in-processing

With this 'hack' you can use the scroll wheel / mouse wheel in Processing.

/**
using-the-mousewheel-scrollwheel-in-processing taken from http://processinghacks.com/hacks:using-the-mousewheel-scrollwheel-in-processing
@author Rick Companje
*/
 
void setup() {
  addMouseWheelListener(new java.awt.event.MouseWheelListener() { 
    public void mouseWheelMoved(java.awt.event.MouseWheelEvent evt) { 
      mouseWheel(evt.getWheelRotation());
  }}); 
}
 
void mouseWheel(int delta) {
  println(delta); 
}
 
void draw() {
}