/*
Blast site x, y? 100 80
Blast radius? 75
*/

import java.awt.*;
import java.io.*;

public class Bomb {
    public static void main(String[] args) throws FileNotFoundException {
        Scanner console = new Scanner(System.in);
        System.out.print("Blast site x, y? ");
        int blastSiteX = console.nextInt();
        int blastSiteY = console.nextInt();
        
        System.out.print("Blast radius? ");
        int blastRadius = console.nextInt();
        
        Point center = new Point(blastSiteX, blastSiteY);
        Circle bomb = new Circle(center, blastRadius);
        
        DrawingPanel panel = new DrawingPanel(300, 300);
        Graphics g = panel.getGraphics();
        bomb.draw(g);
        
        Point[] cities = getCities();
        for (int i = 0; i < cities.length; i++) {
            if (bomb.contains(cities[i])) {
                g.setColor(Color.MAGENTA);
            } else {
                g.setColor(Color.BLACK);
            }
            
            cities[i].draw(g);
        }
    }
    
    public static Point[] getCities() throws FileNotFoundException {
        Scanner input = new Scanner(new File("cities.txt"));
        int numCities = input.nextInt();
        
        Point[] cities = new Point[numCities];
        
        for (int i = 0; i < numCities; i++) {
            int cityX = input.nextInt();
            int cityY = input.nextInt();
            // Point city = new Point(cityX, cityY);
            // cities[i] = city;
            cities[i] = new Point(cityX, cityY);
        }
        
        return cities;
    }
}