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October 31, 2015 17:59
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| 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 BattleFieldTemplate2 extends JPanel { | |
| final boolean COLORDED_MODE = false; | |
| final int BF_WIDTH = 576; | |
| final int BF_HEIGHT = 576; | |
| int bulletX=-100; | |
| int bulletY=-100; | |
| int bulletSpeed = 5; | |
| int tankX = 0; | |
| int tankY = 0; | |
| int time=1; | |
| int tankDirection; | |
| String[][] battleField = { | |
| {"B", "B", "B", "B", "B", "B", "B", "B", "B"}, | |
| {"B", " ", "B", "B", "B", "B", "B", " ", "B"}, | |
| {"B", " ", " ", "B", "B", "B", " ", " ", "B"}, | |
| {"B", "B", " ", " ", "B", " ", " ", "B", "B"}, | |
| {"B", "B", "B", " ", " ", " ", "B", "B", "B"}, | |
| {"B", "B", " ", " ", "B", " ", " ", "B", "B"}, | |
| {"B", " ", " ", "B", "B", "B", " ", " ", "B"}, | |
| {"B", " ", "B", "B", "B", "B", "B", " ", "B"}, | |
| {"B", "B", "B", "B", "B", "B", "B", "B", "B"}}; | |
| void runTheGame() throws Exception | |
| { | |
| while(true) | |
| { | |
| moveToQuadrant(random(),random()); | |
| fire(); | |
| } | |
| } | |
| void moveToQuadrant(int x,int y)throws Exception | |
| { | |
| System.out.println("x="+x+" y="+y); | |
| System.out.println(getQuadrantXY(x,y)); | |
| int x1=64*(x-1); | |
| int y1=64*(y-1); | |
| while(tankX!=x1 || tankY!=y1) | |
| { | |
| if(tankX<x1) | |
| move(4); | |
| else | |
| if(tankX>x1) | |
| move(3); | |
| else | |
| if(tankY<y1) | |
| move(2); | |
| else | |
| if(tankY>y1) | |
| move(1); | |
| } | |
| } | |
| static String getQuadrantXY(int x,int y) | |
| { | |
| return 64*(x-1)+"_"+64*(y-1); | |
| } | |
| void move(int direction)throws Exception | |
| { | |
| tankDirection=direction; | |
| 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(10); | |
| i++; | |
| } | |
| } | |
| int random ()throws Exception | |
| { | |
| TimeUnit.NANOSECONDS.sleep(time++); | |
| return(int)(System.nanoTime()%9+1); | |
| } | |
| void fire()throws Exception | |
| { | |
| bulletX =tankX+25; | |
| bulletY =tankY+25; | |
| if(tankDirection==1) | |
| { | |
| while(bulletY>-14) | |
| { | |
| bulletY--; | |
| repaint(); | |
| TimeUnit.MILLISECONDS.sleep(bulletSpeed); | |
| } | |
| } | |
| else | |
| if(tankDirection==2) | |
| { | |
| while(bulletY<574) | |
| { | |
| bulletY++; | |
| repaint(); | |
| TimeUnit.MILLISECONDS.sleep(bulletSpeed); | |
| } | |
| } | |
| else | |
| if(tankDirection==3) | |
| { | |
| while(bulletX>-14) | |
| { | |
| bulletX--; | |
| repaint(); | |
| TimeUnit.MILLISECONDS.sleep(bulletSpeed); | |
| } | |
| } | |
| else | |
| if(tankDirection==4) | |
| { | |
| while(bulletX<576) | |
| { | |
| bulletX++; | |
| repaint(); | |
| TimeUnit.MILLISECONDS.sleep(bulletSpeed); | |
| } | |
| } | |
| } | |
| // Magic bellow. Do not worry about this now, you will understand everything in this course. | |
| // Please concentrate on your tasks only. | |
| public static void main(String[] args) throws Exception { | |
| BattleFieldTemplate2 bf = new BattleFieldTemplate2(); | |
| bf.runTheGame(); | |
| } | |
| public BattleFieldTemplate2() throws Exception { | |
| JFrame frame = new JFrame("BATTLE FIELD, DAY 2"); | |
| frame.setLocation(750, 150); | |
| frame.setMinimumSize(new Dimension(BF_WIDTH+15, BF_HEIGHT + 35)); | |
| 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); | |
| } | |
| } | |
| for (int j = 0; j < battleField.length; j++) { | |
| for (int k = 0; k < battleField.length; k++) { | |
| if (battleField[j][k].equals("B")) { | |
| String coordinates = getQuadrantXY(j + 1, k + 1); | |
| int separator = coordinates.indexOf("_"); | |
| int y = Integer.parseInt(coordinates.substring(0, separator)); | |
| int x = Integer.parseInt(coordinates.substring(separator + 1)); | |
| g.setColor(new Color(0, 0, 255)); | |
| g.fillRect(x, y, 64, 64); | |
| } | |
| } | |
| } | |
| g.setColor(new Color(255, 0, 0)); | |
| g.fillRect(tankX, tankY, 64, 64); | |
| g.setColor(new Color(0, 255, 0)); | |
| if (tankDirection == 1) { | |
| g.fillRect(tankX + 20, tankY, 24, 34); | |
| } else if (tankDirection == 2) { | |
| g.fillRect(tankX + 20, tankY + 30, 24, 34); | |
| } else if (tankDirection == 3) { | |
| g.fillRect(tankX, tankY + 20, 34, 24); | |
| } else { | |
| g.fillRect(tankX + 30, tankY + 20, 34, 24); | |
| } | |
| g.setColor(new Color(255, 255, 0)); | |
| g.fillRect(bulletX, bulletY, 14, 14); | |
| } | |
| } |
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