DEV-C++乒乓球游戏

#include <graphics.h>
#include <conio.h>
#include <dos.h>

// 定义球拍和球的初始位置及大小
#define PADDLE_WIDTH 10
#define PADDLE_HEIGHT 50
#define BALL_SIZE 10

int paddleX = 20;
int paddleY = 150;
int ballX = 320;
int ballY = 240;
int ballSpeedX = 2;
int ballSpeedY = -2;

void drawPaddle() {
    bar(paddleX, paddleY, paddleX + PADDLE_WIDTH, paddleY + PADDLE_HEIGHT);
}

void drawBall() {
    setfillstyle(SOLID_FILL, WHITE);
    fillellipse(ballX, ballY, BALL_SIZE / 2, BALL_SIZE / 2);
}

void movePaddle(int direction) {
    if (direction == UP && paddleY > 0) {
        paddleY -= 10;
    } else if (direction == DOWN && paddleY < 480 - PADDLE_HEIGHT) {
        paddleY += 10;
    }
}

void moveBall() {
    ballX