package class1_3_DuckStrategies_v2;

import java.awt.Point;

/**
 * This class represents a specialized type of Duck
 * @author hornick
 */
public class Decoy extends Duck {
	/**
	 * Decoy-specific constructor
	 */
	public Decoy(String name) {
		super(name,"decoy.jpg");
		
		// this value defines how far the duck moves each update period - s random value between 1 and 3.
		increment = new Point(random.nextInt(3)+1, 0 ); 
	}
	
	/**
	 * This method OVERRIDES the Duck's default quacking behavior,
	 * because Decoys don't make any sound.
	 */
	@Override
	public void quack() {
		// do nothing - Note same (duplicate) behavior implemented by RubberDuck
	}
	
	/**
	 * This method OVERRIDES the Duck's default swimming behavior,
	 * because Decoys only swim back and forth.
	 */
	@Override
	public void swim() {
		if( (currentPos.x > (DuckPond.PONDSIZE-image.getWidth(null))) // leaving the window's right edge
				|| (currentPos.x < 0) ) { // ...or left edge
			increment.x = -increment.x; // reverse direction
		}

		currentPos.x += increment.x; // increment the position of the duck
		setLocation(currentPos); // ...and update its location in the container
	}

}