import de.voidplus.leapmotion.*;

// ======================================================
// Table of Contents:
// ├─ 1. Callbacks
// ├─ 2. Hand
// ├─ 3. Arms
// ├─ 4. Fingers
// ├─ 5. Bones
// ├─ 6. Tools
// └─ 7. Devices
// ======================================================


LeapMotion leap;
LaserOut	laser_frame;
int			hand_id;
Attractor[]	attractors = new Attractor[10];
Particle[] particles;

PVector min_pos;
PVector max_pos;

boolean	att_stdout;

void setup() {
	size(800, 500);
	background(0);
	
	int	particle_path_length = 20;
	int	nb_particle = 10;
	boolean particle_stdout = true; // print particle on stdout
	att_stdout = false; // print attroctor on stdout
	// ...

	leap = new LeapMotion(this);
	particles = new Particle[nb_particle];

	laser_frame = new LaserOut(particle_stdout);

	// init_attractors	
	for (int i = 0; i < attractors.length; i++){
		attractors[i] = new Attractor();
	}
	for (int i = 0; i < particles.length; i++){
		if (particle_path_length > 0)
			particles[i] = new Particle(particle_path_length); // number of previous position drawn
		else
			particles[i] = new Particle(); // no previous article

	}
	
}

void draw() {
	background(50);
	// ...

	int fps = leap.getFrameRate();
	int i = 0;
	int	att_id;

	for (Hand hand : leap.getHands ()) {
		if (i >= 2)
		{
			println("\n\n\n\t\t !! MORE THAN 2 hands isn't implemented");
			continue;
		}

		// --------------------------------------------------
		// Drawing
//		hand.draw();
		
//		// update attractors position and draw
//		att_id = i * 5 + 0; // 5 => number of finger
//		PVector	pos  = hand.getIndexFinger().getPositionOfJointDip();
//		attractors[att_id].update_pos(pos);

		int j = 0;
		for (Finger finger : hand.getFingers()) {
	
			att_id = i * 5 + j; // 5 => nunber of finger
			PVector	pos  = finger.getPositionOfJointDip();
			attractors[att_id].update_pos(pos);
			j++;
		}
	i++;
  }

	particles_update_position();
	draw_attractors();
	draw_particles();	
	laser_frame.print_frame(); // print frame on stdout
	disable_attractors();
}


void	disable_attractors(){
	for (Attractor att : attractors){
		att.is_active = false;
	}
}

void	draw_attractors(){
	for (Attractor att : attractors){
		if (att.is_active)
			att.draw();
	}
}

void	draw_particles(){	
	for (Particle p : particles){
		p.draw();
	}
}

void	particles_update_position(){
	for (Particle p : particles){
		p.update_position(attractors);
	}
}

//		println("finger_pos:", pos);

//	//	println("---");
//		int j = 0;
//		for (Finger finger : hand.getFingers()) {
//	
//			// update attractors position and draw
//			att_id = i * 5 + j; // 5 => number of finger
//			PVector	pos  = finger.getPosition();
//			attractors[att_id].update_pos(pos);
//			j++;
//		}