Jogl3Mouse.java 文件源码

@Override
public void mouseWheelMoved(MouseWheelEvent e) {
    synchronized (lock) {
        int d = e.getWheelRotation(); 

        if (d < 0) {
            curDir = ScrollDirection.UP; 
        }
        else if (d > 0) {
            curDir = ScrollDirection.DOWN; 
        }
        else {
            curDir = ScrollDirection.NONE; 
        }
    }
}