MouseMover

import java.awt.AWTException;
import java.awt.Dimension;
import java.awt.Robot;
import java.awt.Toolkit;
import java.util.Timer;
import java.util.TimerTask;

import com.leapmotion.leap.Controller;
import com.leapmotion.leap.Finger;
import com.leapmotion.leap.Frame;
import com.leapmotion.leap.Vector;

public class MouseMover
{
    private Controller controller;
    private Robot robot;

    private MouseMover() throws AWTException
    {
        controller = new Controller();
        robot = new Robot();

        LeapTask task = new LeapTask();
        Timer timer = new Timer();
        timer.schedule(task, 0, 33);
    }

    public static void main(String[] args) throws AWTException
    {
        new MouseMover();
    }

    private class LeapTask extends TimerTask
    {
        private long lastFrame = 0;

        @Override
        public void run()
        {
            if (controller.isConnected())
            {
                Frame frame = controller.frame();
                if (frame.id() == lastFrame) return; //Nothing to be done

                Finger finger = frame.fingers().frontmost();
                if (finger.isValid())
                {
                    Vector pos = finger.tipPosition();
                    Vector dir = finger.direction();

                    Vector onScreen = pos.plus(dir.times(-(pos.getZ()/dir.getZ())));
                    Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();

                    double x = (onScreen.getX() + 100)/250*screenSize.getWidth();
                    double y = (200-(onScreen.getY() - 200))/200*screenSize.getHeight();

                    robot.mouseMove((int)x, (int)y);
                    //X: -200:200
                    //Y: 100:400
                }
            }
        }
    }
}