package seabedexplorer.data;

/**
 * LaserReading. Stores an angle, as recorded by a laser camera, as well as a 
 * distance that is a useful property of the laser camera itself.
 * 
 * @author Dan Lawrence
 * @version %I%, %G%
 */
public class LaserReading extends TopographicalMapping{
    
    /**
     * The recorded angle, in degrees.
     */
    double angle;
    
    /**
     * The distance between the camera and the laser, in meters.
     */
    double distance;
    
    /**
     * Constructor. Is the only way to set the values of the reading, and the 
     * distance.
     * 
     * @param angleIn The recorded angle, in degrees.
     * 
     * @param distanceIn The distance between the camera and the laser, in 
     * meters.
     */
    public LaserReading(double angleIn, double distanceIn) {    
        angle = angleIn;
        distance = distanceIn;
        
        calculateDepth();
        
        System.out.println("Laser camera depth reading stored successfully.\n");
    }

    @Override
    void calculateDepth() {
        depth = distance / Math.tan(angle / (180/Math.PI));
    }  
    
    /**
     * Returns the angle, of the same data type it is stored as (double).
     */
    public double getAngle() {
        return angle;
    }
    
    /**
     * Returns the distance, of the same data type it is stored as (double).
     */
    public double getDistance() {
        return distance;
    }
    
    @Override
    public String toString() {
        return "Laser camera reading:\n"
            +  "    Recorded angle: " + angle + "°\n"
            +  "    Determined depth: " + depth + "m\n";
    }
}