Deel 3. Recepten voor software en hardware

3.2 Gebarentaal met de Kinect

import org.openkinect.*; 
import org.openkinect.processing.*; 

//Verwijs naar de klasse 
KinectTracker tracker; 

//Maak een kinect-object aan. 
Kinect kinect; float oldX= 320; 

float oldY= 240; 
PImage schilderij; 

void setup() { 
	size(640,480); 
	kinect = new Kinect(this); 
	tracker = new KinectTracker(); 
	schilderij = loadImage("schilderij.jpg"); 
	background(schilderij); 
} 
void draw() { 
	tracker.track(); 	
	PVector v1 = tracker.getLerpedPos(); 
	stroke(7, 146, 168, 40); 
	strokeWeight(10); 
	line(v1.x,v1.y,oldX,oldY); 
	oldX=v1.x; 	
	oldY=v1.y; 
}
void stop() { 
	tracker.quit(); 
	super.stop(); 
}

3.3 Luchtpiano (of luchtgitaar)

Starten met audio

import ddf.minim.*;

AudioPlayer player;
Minim minim;

void setup(){
  size(512, 200, P2D);

  minim = new Minim(this);

  player = minim.loadFile("beatIT2.mp3", 2048);
  player.play();
}

void draw(){
  background(0);
  stroke(255);
  for(int i = 0; i < player.left.size()-1; i++){
   	strokeWeight(10);
   
   	stroke( player.left.get(i)*254,  150 + player.right.get(i+1)*254, random(254));
   	line(i, 50 + player.left.get(i)*50, i+1, 50 + player.left.get(i+1)*50);

   	stroke(150 + player.right.get(i+1)*254, random(254), player.left.get(i)*254);
   	line(i, 75 + player.left.get(i)*50, i+1, 75 + player.left.get(i+1)*50);
   
   	stroke(150 + player.right.get(i+1)*254, player.left.get(i)*254, player.left.get(i)*254);
   	line(i, 100 + player.left.get(i)*50, i+1, 100 + player.left.get(i+1)*50);
   
   	stroke(40+ player.left.get(i)*254, 50 + player.right.get(i+1)*254, 20+ player.left.get(i)*254);
   	line(i, 125 + player.left.get(i)*50, i+1, 125 + player.left.get(i+1)*50);

  	stroke(random(254), 150 + player.right.get(i+1)*254, player.left.get(i)*254);
   	line(i, 150 + player.left.get(i)*50, i+1, 150 + player.left.get(i+1)*50);
   
  }
}

void stop(){
  player.close();
  minim.stop();
  super.stop();
}