Speedometer

Speedometer.java

public class Speedometer {
  private StatefulOdometer statefulOdometer;
  private Controller controller;
  
  /**
   * Gets the current speed and applies the brakes if activated by eye tracking.
   * @return current speed.
   */
  public double getSpeed() {
    OdometerDelta delta = this.statefulOdometer.getDeltaSinceLastReading();
    double speed = delta.getDisplacement() / delta.getTimeElapsed(TimeUnit.HOURS);
    
    if (this.isActivatedByEyeTracking()) {
      this.controller.applyBreaks();
    }
    return speed;
  }
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