package class1_3_DuckStrategies_v2;

import java.awt.Point;

/**
 * This class represents a specialized type of Duck
 * @author hornick
 */
public class RubberDuck extends Duck {
	/**
	 * RubberDuck-specific constructor
	 */
	public RubberDuck(String name) {
		super(name, "rubber.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, random.nextInt(3)+1 ); 
	}

	/**
	 * This method OVERRIDES the Duck's default quacking behavior,
	 * because RubberDucks don't make any sound.
	 */
	@Override
	public void quack() {
		// do nothing - Note same (duplicate) behavior implemented by Decoy
	}
	
	/**
	 * This method OVERRIDES the Duck's default swimming behavior,
	 * because RubberDucks only bob around.
	 */
	@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
		}

		if( (currentPos.y > (DuckPond.PONDSIZE-image.getHeight(null)))  // leaving the window's top edge
				|| (currentPos.y < 0) ) {//... or bottom edge
			increment.y = -increment.y; // reverse direction
		}

		currentPos.x += increment.x; // increment the position of the duck
		currentPos.y += increment.y; 
		
		// Create a new random increment for the next movement (the next time this method is called)
		// Note: increments between -2 and +2 will be generated.
		increment = new Point(random.nextInt(5)-2, random.nextInt(5)-2 ); 

		setLocation(currentPos); // ...and update its location in the container
	}



}