贪吃蛇游戏：避免食物音效重复播放
package game;
import javax.sound.sampled.; import javax.swing.; import java.awt.*; import java.awt.event.KeyEvent; import java.awt.event.KeyListener; import java.io.File; import java.io.IOException; import java.util.ArrayList; import java.util.Random;
public class SnakeGame extends JFrame implements KeyListener {
// 游戏界面大小
private final int WIDTH = 800;
private final int HEIGHT = 840;
// 网格大小
private static final int GRID_SIZE = 40;
// 贪吃蛇移动速度
private static final int SNAKE_SPEED = GRID_SIZE;
// 贪吃蛇
private final ArrayList
initSnake();
initFood();
this.add(j);
// 播放背景音乐
playMusic('C:\Users\彭 杨\IdeaProjects\untitled\src\G0tch_ - 托马斯臭火车_1_1.WAV');
// 显示窗口
setVisible(true);
}
// 初始化贪吃蛇
private void initSnake() {
// 初始长度为3
snake.add(new Point(4, 2));
snake.add(new Point(3, 2));
snake.add(new Point(2, 2));
}
// 初始化食物
private void initFood() {
Random random = new Random();
int x = random.nextInt((WIDTH-2*GRID_SIZE) / GRID_SIZE);
int y = random.nextInt((HEIGHT-2*GRID_SIZE) / GRID_SIZE);
food = new Point(x+1, y+1);
}
// 绘制游戏界面
@Override
public void paint(Graphics g) {
// 清空画布
g.clearRect(0, 0, WIDTH, HEIGHT);
// 绘制贪吃蛇
g.setColor(Color.red);
for (Point p : snake) {
g.fillOval(p.x * GRID_SIZE, p.y * GRID_SIZE, GRID_SIZE, GRID_SIZE);
}
// 绘制蛇头
j.setBounds(snake.get(0).x*GRID_SIZE-7,snake.get(0).y*GRID_SIZE-30,40,40);
// 绘制网格
g.setColor(Color.blue);
for (int i = 0; i < WIDTH / GRID_SIZE; i++) {
g.drawLine(i * GRID_SIZE, 0, i * GRID_SIZE, HEIGHT);
}
for (int i = 0; i < HEIGHT / GRID_SIZE; i++) {
g.drawLine(0, i * GRID_SIZE, WIDTH, i * GRID_SIZE);
}
// 绘制食物
g.setColor(Color.PINK);
g.fillOval(food.x * GRID_SIZE, food.y * GRID_SIZE, GRID_SIZE, GRID_SIZE);
// 显示得分
g.setColor(Color.darkGray);
g.setFont(new Font('微软雅黑', Font.PLAIN, 20));
g.drawString('得分：' + score, 650, 100);
//绘制黑色方格边框
g.setColor(Color.black);
for (int i = 0; i <WIDTH/GRID_SIZE ; i++) {
g.fillRect(i*GRID_SIZE,0,40,40);
g.fillRect(i*GRID_SIZE,800,40,40);
g.fillRect(0,i*GRID_SIZE,40,40);
g.fillRect(760,i*GRID_SIZE,40,40);
}
}
// 重写 update() 方法，调用 paint() 方法
@Override
public void update(Graphics g) {
paint(g);
}
// 贪吃蛇移动
private void moveSnake() {
// 计算新的蛇头位置
Point head = new Point(snake.get(0).x + direction.x, snake.get(0).y + direction.y);
// 判断是否撞墙
if (head.x < 1 || head.x >= (WIDTH / GRID_SIZE)-1 || head.y < 1 || head.y >= (HEIGHT / GRID_SIZE)-1) {
JOptionPane.showMessageDialog(this, '你是真的菜,才'+score+'分');
System.exit(0);
}
// 判断蛇头是否与蛇身相撞
for (int i = 1; i < snake.size(); i++) {
if (head.equals(snake.get(i))) {
JOptionPane.showMessageDialog(this, '你是真的菜,才'+score+'分');
System.exit(0);
}
}
// 判断是否吃到食物
if (head.equals(food)) {
// 判断当前音效是否正在播放
if (!isPlaying) {
// 随机播放音效
Random random = new Random();
int index = random.nextInt(8);
String filePath = '';
switch (index) {
case 0:
filePath = 'C:\Users\彭 杨\IdeaProjects\untitled\src\snake\emmmm__（van）_1.WAV';
break;
case 1:
filePath = 'C:\Users\彭 杨\IdeaProjects\untitled\src\snake\I love that_ （van）_1.WAV';
break;
case 2:
filePath = 'C:\Users\彭 杨\IdeaProjects\untitled\src\snake\oh!夜色！_1.WAV';
break;
case 3:
filePath = 'C:\Users\彭 杨\IdeaProjects\untitled\src\snake\务必让螳螂乱摸_（van）_1.WAV';
break;
case 4:
filePath = 'C:\Users\彭 杨\IdeaProjects\untitled\src\snake\啊_this good_（van）_1.WAV';
break;
case 5:
filePath = 'C:\Users\彭 杨\IdeaProjects\untitled\src\snake\啊？快哉！（王）_1.WAV';
break;
case 6:
filePath = 'C:\Users\彭 杨\IdeaProjects\untitled\src\snake\来！_1.WAV';
break;
case 7:
filePath = 'C:\Users\彭 杨\IdeaProjects\untitled\src\snake\洞子大（van）_1.WAV';
break;
}
// 播放音效
playMusic(filePath);
// 将当前音效标记为正在播放
isPlaying = true;
}
// 更新贪吃蛇和食物
snake.add(0, head);
initFood();
// 如果吃到食物，则将 score 的值加上 10
score += 10;
} else {
snake.add(0, head);
snake.remove(snake.size() - 1);
// 将当前音效标记为未播放
isPlaying = false;
}
// 刷新游戏界面 repaint();
}
// 键盘按下事件处理
@Override
public void keyPressed(KeyEvent e) {
switch (e.getKeyCode()) {
case KeyEvent.VK_UP:
if (direction.y != 1) {
direction.x = 0;
direction.y = -1;
}
break;
case KeyEvent.VK_DOWN:
if (direction.y != -1) {
direction.x = 0;
direction.y = 1;
}
break;
case KeyEvent.VK_LEFT:
if (direction.x != 1) {
direction.x = -1;
direction.y = 0;
}
break;
case KeyEvent.VK_RIGHT:
if (direction.x != -1) {
direction.x = 1;
direction.y = 0;
}
break;
}
}
// 必须实现的方法
@Override
public void keyTyped(KeyEvent e) {
}
// 必须实现的方法
@Override
public void keyReleased(KeyEvent e) {
}
// 播放音乐
private void playMusic(String filePath) {
File musicFile = new File(filePath);
try {
AudioInputStream audioStream = AudioSystem.getAudioInputStream(musicFile);
Clip clip = AudioSystem.getClip();
clip.open(audioStream);
clip.loop(Clip.LOOP_CONTINUOUSLY);
} catch (UnsupportedAudioFileException | IOException | LineUnavailableException e) {
e.printStackTrace();
}
}
public static void main(String[] args) {
SnakeGame game = new SnakeGame();
// 游戏循环
while (true) {
game.moveSnake();
try {
Thread.sleep(8000 / SNAKE_SPEED);
} catch (InterruptedException i) {
i.printStackTrace();
}
}
// 关闭旧的界面
}
原文地址: https://www.cveoy.top/t/topic/op26 著作权归作者所有。请勿转载和采集!