Constructor Detail

• Momentum.State

  public Momentum.State(Point initialPosition,
                Point initialVelocity)

  Construct a new Momentum.State.

  Parameters:

  initialPosition - the initial position, which is also set to the current position

  initialVelocity - the initial velocity in pixels per millisecond, which is also set to the current velocity

Method Detail

• getCumulativeElapsedMillis

  public int getCumulativeElapsedMillis()

  Get the cumulative elapsed time in milliseconds since momentum took over.

  Returns:

  the elapsed time in milliseconds

• getElapsedMillis

  public int getElapsedMillis()

  Get the elapsed time in milliseconds since the last time the state was updated.

  Returns:

  the elapsed time in milliseconds

• getInitialPosition

  public Point getInitialPosition()

  Get the initial position when the momentum took over.

  Returns:

  the initial position

• getInitialVelocity

  public Point getInitialVelocity()

  Get the initial velocity in pixels per millisecond when the momentum took over.

  Returns:

  the initial velocity

• getPosition

  public Point getPosition()

  Get the current position.

  Returns:

  the current position

• getVelocity

  public Point getVelocity()

  Get the current velocity in pixels per millisecond.

  Returns:

  the current velocity

• setPosition

  public void setPosition(Point position)

  Set the current position.

  Parameters:

  position - set the current position

• setVelocity

  public void setVelocity(Point velocity)

  Get the current velocity in pixels per millisecond.

  Parameters:

  velocity - set the current velocity

• setCumulativeElapsedMillis

  void setCumulativeElapsedMillis(int cumulativeElapsedMillis)

  Set the cumulative elapsed time in milliseconds since momentum took over.

• setElapsedMillis

  void setElapsedMillis(int elapsedMillis)

  Set the elapsed time in milliseconds since the last time the state was updated.