BattleFieldTemplate.java

/*
 * Copyright (c) 2014 kademika.com
 */
package tank;

import java.awt.Color;
import java.awt.Dimension;
import java.awt.Graphics;
import java.util.concurrent.TimeUnit;

import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.WindowConstants;

public class BattleFieldTemplate extends JPanel {

	boolean COLORDED_MODE = true;
	
	int tankX = 0;
	int tankY = 0;
	
	long speed = 10;
	
	/**
	 * Write your code here.
	 */
	void runTheGame() throws Exception
	{
		String v,h;
		int i=0;
		
		while(true)
		{
		    TimeUnit.NANOSECONDS.sleep(i++);
			v=random1();
		    TimeUnit.NANOSECONDS.sleep(i++);
			h=random2();
			
		    moveToQuadrant(v,h);
		    
		    System.out.println(v+"_"+h);
		    TimeUnit.SECONDS.sleep(3);
		}
		
	}
	static String getQuadrant(String v,String g)
	{
		String vertical="abcdefghi";
		String gorizont="123456789";
		
		String quadrant=64*gorizont.indexOf(g)+"_"+64*vertical.indexOf(v);
		
		return quadrant;
	}
	void moveToQuadrant(String v,String h)throws Exception
	{
		String str=getQuadrant(v,h);
		
		int x=Integer.parseInt(str.substring(0,str.indexOf("_")));
		int y=Integer.parseInt(str.substring(str.indexOf("_")+1));
		
		while(tankX!=x || tankY!=y)
		{
		   if(tankX<x)
			 move(4);
		   else
			   if(tankX>x)
			        move(3);
			   else 
		                 if(tankY<y)
			              move(2);
		                 else
			              if(tankY>y)
				           move(1);
		}
		
	}
	
     String random1()throws Exception
	{
		String vertical="abcdefghi";
		String coordinata;
   	 
		int i=9;
   	 
   	 while(i==9)
   		 i=(int)(System.nanoTime()%10);
   	 
        coordinata=String.valueOf(vertical.charAt(i));
   	    
		 return(coordinata);
	}
     String random2()throws Exception
     {
    	 String gorizont="123456789";
    	 String coordinata;
    	 int i=9;
    	 
    	 while(i==9)
    		 i=(int)(System.nanoTime()%10);
    	 
         coordinata=String.valueOf(gorizont.charAt(i));
    	 
 		 return(coordinata);
     }
	
	void move(int direction)throws Exception
	{
	    int i=1;
		while(i<=64)
		{
		   if(direction==1 && tankY>0)
			 tankY--;
		   else
			   if(direction==2 && tankY<512)
				  tankY++;
			   else
				   if(direction==3 && tankX>0)
					  tankX--;
				   else
					   if(direction==4 && tankX<512)
						  tankX++;
		   
		   
		   repaint();
		   TimeUnit.MILLISECONDS.sleep(speed);
		   i++;
		}
	}

	
	// Magic bellow. Do not worry about this now, you will understand everything in this course.
	// Please concentrate on your tasks only.

	final int BF_WIDTH = 576;
	final int BF_HEIGHT = 576;
	
	public static void main(String[] args) throws Exception {
		BattleFieldTemplate bf = new BattleFieldTemplate();
		bf.runTheGame();
	}

	public BattleFieldTemplate() throws Exception {
		JFrame frame = new JFrame("BATTLE FIELD, DAY 2");
		frame.setLocation(500, 150);
		frame.setMinimumSize(new Dimension(BF_WIDTH, BF_HEIGHT + 22));
		frame.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
		frame.getContentPane().add(this);
		frame.pack();
		frame.setVisible(true);
	}

	@Override
	protected void paintComponent(Graphics g) {
		super.paintComponent(g);
		
		int i = 0;
		Color cc;
		for (int v = 0; v < 9; v++) {
			for (int h = 0; h < 9; h++) {
				if (COLORDED_MODE) {
					if (i % 2 == 0) {
						cc = new Color(252, 241, 177);
					} else {
						cc = new Color(233, 243, 255);
					}
				} else {
					cc = new Color(180, 180, 180);
				}
				i++;
				g.setColor(cc);
				g.fillRect(h * 64, v * 64, 64, 64);
			}
		}
		
		g.setColor(new Color(255, 0, 0));
		g.fillRect(tankX, tankY, 64, 64);
	}

}