// Demonstrates fish and canvas features 	
	
import java.awt.*;	
import javax.swing.*;	
import java.io.*;	
import java.util.*;	
	
public class FishDemo {	
	// main(): application entry point 	
	public static void main(String[] args) throws IOException {	
		JFrame window = new JFrame("Fish still life");	
		window.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);	
		window.setSize(1000, 1000);	
		window.setVisible(true);	
	
		Canvas canvas = new Canvas();	
		canvas.setSize(1000, 1000);	
		canvas.setBackground(Color.BLUE);	
	
		Container c = window.getContentPane();	
	
		FlowLayout manager = new FlowLayout();	
		c.setLayout(manager);	
	
		c.add(canvas);	
	
		int x = 300;
		int y = 300;
	
		System.out.print("Enter any character when ready.");
		char inChar;
		
		Graphics g = canvas.getGraphics();		
		
		do		
		{	

			inChar = (char)System.in.read();	
			g.clearRect(0, 0, 1000, 1000);			
  			Fish fish1 = new Fish();	
  			Fish fish2 = new Fish();
			switch (inChar){
			
				case 'k': {
					x = x + 10; 
					System.out.println("x = " + x);
					break;
				}
				case 'j': {
					x = x - 10;
					System.out.println("x = " + x);
					break;

				}
				case 'i': {
					y = y - 10;
					System.out.println("y = " + y);
					break;

				}
				case 'm': {
					y = y + 10;
					System.out.println("y = " + y);
					break;

				}
			}

  			Random die = new Random();
			fish1.setPosition(x, y);	
			fish1.paint(g);	
			fish2.setPosition(x + 50 + die.nextInt(60), y + 50 + die.nextInt(60));	
			fish2.paint(g);	


		}while(inChar !='e'); 
	}	
}