import traer.animation.*;

Smoother fader;
Smoother3D rotator;
Animator a;
float delta = TWO_PI/8;

void setup()
{
  size( 400, 400, P3D );
  framerate( 50 );
  ortho();
  noFill();
  a = new Animator( 0.9 );
  rotator = a.make3DSmoother();
  fader = a.makeSmoother();
}

void draw()
{
  background( 255 );
  translate( 400, 400, 0 );
  a.tick();
  stroke( fader.getValue() );
  rotateX( rotator.x() );
  rotateY( rotator.y() );
  rotateZ( rotator.z() );
  box( 150 );
}

void keyPressed()
{
  switch ( key )
  {
  case 'x':
    rotator.setXTarget( rotator.getXTarget() + delta );
    break;
  case 'y':
    rotator.setYTarget( rotator.getYTarget() + delta );
    break;
  case 'z':
    rotator.setZTarget( rotator.getZTarget() + delta );
    break;
  case ' ':
    if ( fader.getTarget() == 0 )
      fader.setTarget( 255 );
    else
      fader.setTarget( 0 );
    break;
  }
}