package closestpair.version2;

import java.util.Comparator;

public class Point {
	public final double x;
	public final double y;

	public Point(double x, double y) {
		this.x = x;
		this.y = y;
	}

	public static final Comparator<Point> xComparator =
		new Comparator<Point>() {
		@Override
		public int compare(Point p1, Point p2) {
			if(p1.x > p2.x) return 1;
			if(p1.x < p2.x) return -1;
			return 0;
		}
	};

	public static final Comparator<Point> yComparator =  
		new Comparator<Point>() {
		@Override
		public int compare(Point p1, Point p2) {
			if(p1.y > p2.y) return 1;
			if(p1.y < p2.y) return -1;
			return 0;
		}
	};

	public static Comparator<Point> xComparator(){
		return xComparator;	
	}
	
	public static Comparator<Point> yComparator(){
		return yComparator;	
	}

	@Override
	public String toString() {
		return "["+x+" ,"+y+"]";
	}

	public double distanceTo(Point point2) {
		double dx = x - point2.x;
		double dy = y - point2.y;

		return Math.sqrt(dx*dx+dy*dy);
	}
}