BattleFieldTemplate_tankDirection.java

/*
 * Copyright (c) 2014 kademika.com
 */
package Lesson3.KeyPoint4;

import javax.swing.*;
import java.awt.*;

public class BattleFieldTemplate_tankDirection extends JPanel {

    boolean COLORDED_MODE = true;

    int tankX = 0;
    int tankY = 0;

    long speed = 30;
    int tankDirection = 0;

    /**
     * Write your code here.
     */
    void runTheGame() throws Exception {

        move(4);
        move(3);
        move(2);
        move(3);
        move(4);
    }

    void move(int direction) throws Exception {
// задаем начальные переменные
        int up = 1;
        int down = 2;
        int left = 3;
        int right = 4;
        int oneStep = 64;

//разворачиваем танк
        if (tankDirection != direction) {
            tankDirection = direction;
        }

// проверяем корректность введенных данных и начием отрисовывать движение
        if (direction >= 1 && direction <= 4) {
            if (direction == up && tankY != 0) {
                for (int i = 0; i < oneStep; i++) {
                    tankY -= 1;
                    moving();
                }
                System.out.println("Move TANK by one step to the UP");
            } else if (direction == down && tankY < 512) {
                for (int i = 0; i < oneStep; i++) {
                    tankY += 1;
                    moving();
                }
                System.out.println("Move TANK by one step to the DOWN");
            } else if (direction == left && tankX != 0) {
                for (int i = 0; i < oneStep; i++) {
                    tankX -= 1;
                    moving();
                }
                System.out.println("Move TANK by one step to the LEFT");
            } else if (direction == right && tankX < 512) {
                for (int i = 0; i < oneStep; i++) {
                    tankX += 1;
                    moving();
                }
                System.out.println("Move TANK by one step to the RIGHT");
            }
        } else {
            System.out.println("Correct data please input!!!");
        }
    }
//выносим повторяющиеся куски кода в отдельный метод
    void moving() throws Exception {
        repaint();
        Thread.sleep(speed);
    }

    void start(int number) {

        if (number > 0) {
            while (number > 0) {
                System.out.println(number--);
                if (number == 0) {
                    System.out.println(number);
                    System.out.println("Go!");
                }
            }
        } else if (number == 0) {
            System.out.println("Go!");
        } else {
            System.out.println("Start failed");
        }
    }

    void moveRandom() throws Exception {
        long a = System.currentTimeMillis();
        String s = String.valueOf(a);
        String lastChar = s.substring(s.length() - 2, s.length() - 1);
        int lastDigit = Integer.parseInt(lastChar);
        if (lastDigit > 0 && lastDigit < 5) {
            move(lastDigit);
        }
    }

    static String getQuadrant(int v, int h) throws Exception {
        return (v - 1) * 64 + "_" + (h - 1) * 64;
    }

    void moveToQuadrant(int v, int h) throws Exception {

        int up = 1;
        int down = 2;
        int left = 3;
        int right = 4;

        String destination = getQuadrant(v, h); //y_x
        int destX = Integer.valueOf(destination.substring(destination.indexOf("_") + 1));
        int destY = Integer.valueOf(destination.substring(0, destination.indexOf("_")));

        if (tankX < destX) {
            int i = (destX - tankX) / 64;
            while (i > 0) {
                move(right);
                i--;
            }
        } else {
            int i = (tankX - destX) / 64;
            while (i > 0) {
                move(left);
                i--;
            }
        }
        if (tankY < destY) {
            int i = (destY - tankY) / 64;
            while (i > 0) {
                move(down);
                i--;
            }
        } else {
            int i = (tankY - destY) / 64;
            while (i > 0) {
                move(up);
                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_tankDirection bf = new BattleFieldTemplate_tankDirection();
        bf.runTheGame();

    }

    public BattleFieldTemplate_tankDirection() 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);
    }

}