import java.awt.Color;
import java.awt.Graphics2D;
import java.awt.geom.Ellipse2D;

/*
 * Represents asteroids in the game.
 */
public class Asteroid extends GameObject
{
	private int type;			// Type of asteroid: Level 3 is biggest, level 1 is smallest
	
	public Asteroid(double locationX, double locationY, double speedX,
			double speedY, double sizeX, double sizeY, int type) 
	{
		super(locationX, locationY, speedX, speedY, sizeX, sizeY);
		this.type = type;
	}

	public Asteroid explode()
	{
		if (type <= 1)			// Only explode asteroids greater than type 1
			return null;
		
		int newType = type-1;
		
		Asteroid asteroid = new Asteroid(this.locationX, this.locationY, this.speedX, this.speedY, newType*10, newType*10, newType);
		return asteroid;
	}
	
	public String toString()
	{		
		StringBuffer buf = new StringBuffer(100);
		buf.append(super.toString());
		buf.append(" Type: "+type);				
		return buf.toString();
	}

	public int getType() {
		return type;
	}

	public void setType(int type) {
		this.type = type;
	}	
	
	public void draw(Graphics2D g2)
	{	
		int maxw = (int) sizeX, maxh = (int) sizeY;
		int x = (int) locationX, y = (int) locationY;				
		
		// The size of the asteroid is determined by its type.
		// Level 3 asteroid is blue and size is 60,60
		// Level 2 asteroid is yellow and size is 40,40
		// Level 1 asteroid is green and size is 20,20
		// TODO: Draw the asteroid use the Ellipse2D.Double class
		// You just need to set the correct color for g2.
		Ellipse2D.Double circle = new Ellipse2D.Double(x, y, maxh, maxw);		
		g2.fill(circle);					   
	}
}