old_contents: import viz
  import vizproximity
  import vizshape
  import viztask
  
  import vrlab
  
  
  class Target:
      '''A target is a single cube in the motion-capture space.
  
      Subjects are tasked with touching the cubes during the experiment.
      '''
  
      def __init__(self, index, x, y, z):
          self.center = x, y, z
          self.sphere = vizshape.addSphere(0.2)
          self.sphere.setPosition(self.center)
          self.sphere.color(viz.WHITE)
          self.sensor = vizproximity.addBoundingSphereSensor(self.sphere, scale=1)
          self.signal = viztask.Signal()
          self.sound = viz.addAudio('{:02d}.wav'.format(index))
  
      def activate(self, prox):
          prox.clearSensors()
  
          prox.addSensor(self.sensor)
  
          prox.onEnter(self.sensor, lambda e: vrlab.sounds.drip.play())
          prox.onEnter(self.sensor, lambda e: self.sphere.color(viz.BLUE))
          prox.onEnter(self.sensor, self.signal.send)
  
          prox.onExit(self.sensor, lambda e: self.sphere.color(viz.WHITE))
  
  
  NUMBERED = (
      Target( 0, -1.98, 0.05, -1.86),
      Target( 1, -1.72, 1.83,  2.26),
      Target( 2,  0.00, 0.05,  1.86),
      Target( 3,  1.73, 0.05, -1.79),
      Target( 4,  1.89, 0.99,  2.26),
      Target( 5, -2.14, 0.93,  0.10),
      Target( 6, -0.24, 0.90, -1.76),
      Target( 7,  1.51, 1.81, -1.76),
      Target( 9,  1.79, 0.05,  0.00),
      Target(10,  0.10, 1.89,  0.10),
      Target(11, -0.24, 1.86,  2.26),
  )
  
  
  CIRCUITS = (
      (10, 0, 1, 3, 8, 4, 11, 7, 9, 6, 5, 2),
      (7, 1, 0, 11, 9, 2, 8, 3, 6, 4, 10, 5),
      (3, 0, 8, 11, 5, 10, 6, 1, 4, 2, 9, 7),
      (11, 8, 7, 3, 4, 6, 9, 5, 0, 2, 1, 10),
      (4, 7, 8, 5, 6, 0, 3, 1, 9, 10, 2, 11),
      (10, 3, 9, 1, 2, 4, 5, 7, 11, 0, 6, 8),
  )
  
new_contents: import viz
  import vizproximity
  import vizshape
  import viztask
  
  import vrlab
  
  
  class Target:
      '''A target is a single cube in the motion-capture space.
  
      Subjects are tasked with touching the cubes during the experiment.
      '''
  
      def __init__(self, index, x, y, z):
          self.index = index
          self.center = x, y, z
          self.sphere = vizshape.addSphere(0.1)
          self.sphere.setPosition(self.center)
          self.sphere.color(viz.WHITE)
          self.sensor = vizproximity.addBoundingSphereSensor(self.sphere, scale=1)
          self.signal = viztask.Signal()
          self.sound = viz.addAudio('{:02d}.wav'.format(index))
  
      def activate(self, prox):
          prox.clearSensors()
  
          prox.addSensor(self.sensor)
  
          prox.onEnter(self.sensor, lambda e: vrlab.sounds.drip.play())
          prox.onEnter(self.sensor, lambda e: self.sphere.color(viz.BLUE))
          prox.onEnter(self.sensor, self.signal.send)
  
          prox.onExit(self.sensor, lambda e: self.sphere.color(viz.WHITE))
  
          self.sphere.color(viz.GREEN)
          self.sound.play()
  
  
  NUMBERED = (
      Target( 0, -1.82, 0.05, -1.96),
      Target( 1, -1.70, 1.82,  2.18),
      Target( 2, -0.02, 0.05,  1.78),
      Target( 3,  1.88, 0.05, -1.82),
      Target( 4,  1.94, 0.93,  2.26),
      Target( 5, -1.98, 0.97,  0.08),
      Target( 6, -0.10, 1.05, -1.80),
      Target( 7,  1.71, 1.88, -1.76),
      Target( 8,  2.00, 1.04, -1.73),
      Target( 9,  1.83, 0.05,  0.02),
      Target(10,  0.14, 1.90,  0.10),
      Target(11, -0.18, 1.86,  2.21),
  )
  
  
  CIRCUITS = (
      (10, 0, 1,  3, 8,  4, 11, 7,  9,  6,  5,  2),
      ( 7, 1, 0, 11, 9,  2,  8, 3,  6,  4, 10,  5),
      ( 3, 0, 8, 11, 5, 10,  6, 1,  4,  2,  9,  7),
      (11, 8, 7,  3, 4,  6,  9, 5,  0,  2,  1, 10),
      ( 4, 7, 8,  5, 6,  0,  3, 1,  9, 10,  2, 11),
      (10, 3, 9,  1, 2,  4,  5, 7, 11,  0,  6,  8),
  )
  
subject: Reposition target cubes. Further fixes for reconstructed code.