Leap Motion Video Scrubbing.pde

/*
Simple video scrubbing example using Leap Motion
Made for Processing – requires LeapMotionP5 library

An open hand pauses the video and then allows you to scrub the video left and right.
Closing your hand plays the video.

http://brendandawes.com/blog/leapmotion
*/

import processing.video.*;
import javax.swing.*; 
import java.io.*;

import com.onformative.leap.LeapMotionP5;
import com.leapmotion.leap.Hand;
import com.leapmotion.leap.Finger;



Movie movie;

LeapMotionP5 leap;

boolean isPaused = false;

void setup(){
  size(displayWidth,displayHeight);
	leap = new LeapMotionP5(this);
	selectFile();
}

void draw(){
	background(0);

	image(movie, width/2-movie.width/2, height/2-movie.height/2, movie.width, movie.height);
  ArrayList fingers = leap.getFingerList();
	
	if (fingers.size() > 1) {
		isPaused = true;
		movie.pause();
	} else {
		isPaused = false;
		movie.play();
	}
  if (isPaused) {
    
    Finger f1 = (Finger) fingers.get(0);
    PVector p1 = leap.getTip(f1);
    showTime(p1.x);
    for (Hand hand: leap.getHandList()) {
      PVector handPos = leap.getPosition(hand);
      if (handPos != null ) {
        int framePos = int(map(handPos.x,0,displayWidth,0,movie.duration()));
        movie.jump(framePos);
        movie.play();
        movie.pause();  
      }
    }
  }
	
		
}

void showTime(float x) {

    stroke(255);
    line(x, 0, x, height);
    noStroke();
    fill(0);
    rect(x+1, height/2-20, 100, 30);
    fill(255);
    textSize(18);
    text(movie.time()/60, x, height/2); 

}


void movieEvent(Movie m) {
  m.read();

  
}

void selectFile() {
 try { 
  UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName()); 
} catch (Exception e) { 
  e.printStackTrace();  
}  
final JFileChooser fc = new JFileChooser(); 
int chosenFile = fc.showOpenDialog(this); 
if (chosenFile == JFileChooser.APPROVE_OPTION) { 
    File file = fc.getSelectedFile(); 
    initializeMovieWithFile(file.getPath());     
  } else {
  
  }
  
}

void initializeMovieWithFile(String filePath){
  movie = null;
  movie = new Movie(this, filePath);
  movie.play();
}

public void stop() {
  leap.stop();
}