Геймплей
Я следовал учебному пособию и делал все, что писал одинаковые вещи, но он не обнаружил никаких клавиш, любая помощь была бы признательна.
ключевой слушатель не работает
package com.tutorial.main;
import java.awt.Color;
import java.awt.Graphics;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;
import javax.swing.Timer;
import javax.swing.ImageIcon;
import javax.swing.JPanel;
public class Gameplay extends JPanel implements KeyListener, ActionListener{
private int[] snakexlength = new int [750];
private int[] snakeylength = new int [750];
private boolean left = false;
private boolean right = false;
private boolean up = false;
private boolean down = false;
private ImageIcon rightmouth;
private ImageIcon leftmouth;
private ImageIcon upmouth;
private ImageIcon downmouth;
private int lengthofsnake = 3;
private Timer timer;
private int delay = 100;
private ImageIcon snakeimage;
private int moves = 0;
private ImageIcon titleImage;
public Gameplay(){
this.addKeyListener(this);
setFocusable(true);
setFocusTraversalKeysEnabled(false);
timer = new Timer(delay, this);
timer.start();
}
public void paint(Graphics g) {
if(moves == 0) {
snakexlength[2]=50;
snakexlength[1]=75;
snakexlength[0]=100;
snakeylength[2]=100;
snakeylength[1]=100;
snakeylength[0]=100;
}
g.setColor(Color.white);
g.drawRect(24, 10, 851, 55);
titleImage = new ImageIcon("snaketitle.jpg");
titleImage.paintIcon(this, g, 25, 11);
g.setColor(Color.WHITE);
g.drawRect(24, 74, 851, 577);
g.setColor(Color.BLACK);
g.fillRect(25, 75, 850, 575);
rightmouth = new ImageIcon("rightmouth.png");
rightmouth.paintIcon(this, g, snakexlength[0], snakeylength[0]);
for(int a = 0; a < lengthofsnake;a++) {
if(a==0&& right) {
rightmouth = new ImageIcon("rightmouth.png");
rightmouth.paintIcon(this, g, snakexlength[a], snakeylength[a]);
}
if(a==0&& left) {
leftmouth = new ImageIcon("leftmouth.png");
leftmouth.paintIcon(this, g, snakexlength[a], snakeylength[a]);
}
if(a==0&& up) {
upmouth = new ImageIcon("upmouth.png");
upmouth.paintIcon(this, g, snakexlength[a], snakeylength[a]);
}
if(a==0&& down) {
downmouth = new ImageIcon("downmouth.png");
downmouth.paintIcon(this, g, snakexlength[a], snakeylength[a]);
}
if(a!=0) {
snakeimage = new ImageIcon("snakeimage.png");
snakeimage.paintIcon(this, g, snakexlength[a], snakeylength[a]);
}
}
g.dispose();
}
public void actionPerformed(ActionEvent e) {
timer.start();
if(right) {
for(int r =lengthofsnake-1;r>=0;r--) {
snakeylength[r+1] = snakeylength[r];
}
for(int r = lengthofsnake ; r>=0;r--) {
if(r==0) {
snakexlength[r] = snakexlength[r]+25;
}
else {
snakexlength[r] = snakexlength[r-1];
}
if(snakexlength[r] > 850) {
snakexlength[r]=25;
}
}
repaint();
}
if(left) {
for(int r =lengthofsnake-1;r>=0;r--) {
snakeylength[r+1] = snakeylength[r];
}
for(int r = lengthofsnake ; r>=0;r--) {
if(r==0) {
snakexlength[r] = snakexlength[r]-25;
}
else {
snakexlength[r] = snakexlength[r-1];
}
if(snakexlength[r] < 850) {
snakexlength[r]=25;
}
}
repaint();
}
if(up) {
for(int r =lengthofsnake-1;r>=0;r--) {
snakexlength[r+1] = snakexlength[r];
}
for(int r = lengthofsnake ; r>=0;r--) {
if(r==0) {
snakeylength[r] = snakeylength[r]+25;
}
else {
snakeylength[r] = snakeylength[r-1];
}
if(snakeylength[r] < 75) {
snakeylength[r]= 625;
}
}
repaint();
}
if(down) {
for(int r =lengthofsnake-1;r>=0;r--) {
snakexlength[r+1] = snakexlength[r];
}
for(int r = lengthofsnake ; r>=0;r--) {
if(r==0) {
snakeylength[r] = snakeylength[r]-25;
}
else {
snakeylength[r] = snakeylength[r-1];
}
if(snakeylength[r] > 625) {
snakeylength[r]= 75;
}
}
repaint();
}
}
@Override
public void keyReleased(KeyEvent e) {
// TODO Auto-generated method stub
}
@Override
public void keyTyped(KeyEvent e) {
// TODO Auto-generated method stub
}
public void keyPressed(KeyEvent e) {
if(e.getKeyCode() == KeyEvent.VK_D) {
moves++;
right = true;
if(!left) {
right = true;
}
else {
right=false;
left=true;
}
up = false;
down=false;
}
if(e.getKeyCode() == KeyEvent.VK_A) {
moves++;
left = true;
if(!right) {
left = true;
}
else {
left=false;
right=true;
}
up = false;
down=false;
}
if(e.getKeyCode() == KeyEvent.VK_W) {
moves++;
up = true;
if(!down) {
up = true;
}
else {
up=false;
down=true;
}
left = false;
right=false;
}
if(e.getKeyCode() == KeyEvent.VK_S) {
moves++;
down = true;
if(!up) {
down = true;
}
else {
down=false;
up=true;
}
left = false;
right=false;
}
repaint();
}
}
1010 * Основной *
это мой главный
package com.tutorial.main;
import java.awt.Color;
import javax.swing.JFrame;
public class Main {
public static void main(String[] args) {
JFrame obj = new JFrame();
Gameplay gameplay = new Gameplay();
obj.setFocusable(true);
obj.setBounds(10,10,905,700);
obj.setBackground(Color.DARK_GRAY);
obj.setResizable(false);
obj.setVisible(true);
obj.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
obj.add(gameplay);
}
}