/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package input;

/**
 *
 * @author MPA3
 */

// Coded By Fakhrurazi <3


import java.util.Scanner;
public class Input {

    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) {
        final double pi = 3.142;
        int graphHeight, graphWidth, angle, aspectedGraphHeight, row, column, x, y, angleStep;
        int radius;
        int  ans;


            //String s = "";
        System.out.println("|Area of Circle Calculator|");
        System.out.println("Choose Mode: \n1.Diameter\n2.Radius");
           Scanner input = new Scanner(System.in);
           int sel = input.nextInt();
           if(sel == 1){

               System.out.println("Insert value in Diameter: ");
               ans = input.nextInt();
              // ans = (diameter/2) * (daimeter/2);
               System.out.println("The area of circle is: " + (pi * (ans/2) * (ans/2) ));

           }else if(sel == 2){

               System.out.println("Insert value in Radius: ");
               ans = input.nextInt();
               //radius = radius2;
               System.out.println("The area of circle is: " + (pi * ans * ans));


           }else {

               System.out.println("Wrong Selection. Exiting...");
           }
    char[][] circle = new char [150][150];
   // Scanner in = new Scanner(System.in);


System.out.print("\n\n\t\t\t###### Draw circle #######\n");
    //System.out.print( "\n\t\tEnter graph Height: ");
    //graphHeight = in.nextInt();
    graphHeight = 20;
    //System.out.print( "\t\tEnter graph Width: ");
    //graphWidth = in.nextInt();
    graphWidth = 20;
    System.out.print( "\t\tRadius of circle: ");
    radius = input.nextInt();
     //radius = ans;


    //converting degree to radian by multiplying with pi/180
    angle = (int)(360 * Math.PI/180);

    //.5 is for precision
    aspectedGraphHeight = (int)(graphHeight/2.0);


    // define graphpaper
    for(row=0; row<=aspectedGraphHeight; row++)
    {
        for(column=0; column<=graphWidth; column++)
        {
        circle[row][column]=' ';
        }
    }

    //horizontal axis
    for(column = 0; column <= graphWidth; column++)
    {
        row = aspectedGraphHeight / 2;
        circle[row][column] = '-';
    }

    //vertical axis
    for(row = 0; row <= aspectedGraphHeight; row++)
    {
         column = graphWidth / 2;
         circle[row][column] = '|';
    }

    //points of circle

    for (angle = 0; angle <= 360; angle += 1)
    {
       x = (int)(radius * Math.cos(angle));
       y = (int)(radius * Math.sin(angle));

     row = (aspectedGraphHeight/2 - y/2);
     // y is divided by scaling factor 2 for aspected ratio of characters in terminal
     column = graphWidth/2 + x;
     circle[row][column] = '.';
    }


    //print circle
    for(row = 0; row<=aspectedGraphHeight; row++)
        {
             for(column = 0; column<=graphWidth; column++)
             System.out.print(circle[row][column]);
             System.out.println(" ");
        }
}
}