python-小游戏-弹球对决

需要安装pygame

代码—game-Pong.py

import pygame
import random

# Initialize pygame
pygame.init()

# Set up the screen
WIDTH = 600
HEIGHT = 400
BALL_RADIUS = 20
PAD_WIDTH = 10
PAD_HEIGHT = 80
WHITE = (255, 255, 255)
PURPLE = (128, 0, 128)
RED = (255, 0, 0)
GREEN = (0, 255, 0)
LIME = (0, 128, 0)
screen = pygame.display.set_mode((WIDTH, HEIGHT))
pygame.display.set_caption("Pong")

# Set up the clock
clock = pygame.time.Clock()

# Initialize variables
LEFT = False
RIGHT = True
ball_pos = [0, 0]
ball_vel = [0, 0]
paddle1_pos = HEIGHT // 2 - PAD_HEIGHT // 2
paddle2_pos = HEIGHT // 2 - PAD_HEIGHT // 2
paddle1_vel = 0
paddle2_vel = 0
score1 = 0
score2 = 0

# Function to spawn the ball
def spawn_ball(direction):
    global ball_pos, ball_vel
    ball_pos = [WIDTH // 2, HEIGHT // 2]
    vx = random.randrange(120, 240) / 60
    vy = -random.randrange(60, 180) / 60
    if direction == LEFT:
        vx = -vx
    ball_vel = [vx, vy]

# Function to handle events
def handle_events():
    global paddle1_vel, paddle2_vel
    for event in pygame.event.get():
        if event.type == pygame.QUIT:
            pygame.quit()
            quit()
        elif event.type == pygame.KEYDOWN:
            if event.key == pygame.K_w:
                paddle1_vel -= 4
            elif event.key == pygame.K_s:
                paddle1_vel += 4
            elif event.key == pygame.K_UP:
                paddle2_vel -= 4
            elif event.key == pygame.K_DOWN:
                paddle2_vel += 4
        elif event.type == pygame.KEYUP:
            if event.key == pygame.K_w or event.key == pygame.K_s:
                paddle1_vel = 0
            elif event.key == pygame.K_UP or event.key == pygame.K_DOWN:
                paddle2_vel = 0

# Function to update game state
def update():
    global paddle1_pos, paddle2_pos, ball_pos, ball_vel, score1, score2, paddle1_vel, paddle2_vel
    ball_pos[0] += ball_vel[0]
    ball_pos[1] += ball_vel[1]
    if ball_pos[1] - BALL_RADIUS <= 0 or ball_pos[1] + BALL_RADIUS >= HEIGHT:
        ball_vel[1] = -ball_vel[1]
    if ball_pos[0] - BALL_RADIUS <= PAD_WIDTH:
        if paddle1_pos <= ball_pos[1] <= paddle1_pos + PAD_HEIGHT:
            ball_vel[0] = -ball_vel[0]
            ball_vel[0] += ball_vel[0] / 10
            ball_vel[1] += ball_vel[1] / 10
        else:
            score2 += 1
            spawn_ball(True)
    elif ball_pos[0] + BALL_RADIUS >= WIDTH - PAD_WIDTH:
        if paddle2_pos <= ball_pos[1] <= paddle2_pos + PAD_HEIGHT:
            ball_vel[0] = -ball_vel[0]
            ball_vel[0] += ball_vel[0] / 10
            ball_vel[1] += ball_vel[1] / 10
        else:
            score1 += 1
            spawn_ball(False)
    if not (0 <= paddle1_pos + paddle1_vel <= HEIGHT - PAD_HEIGHT):
        paddle1_vel = 0
    if not (0 <= paddle2_pos + paddle2_vel <= HEIGHT - PAD_HEIGHT):
        paddle2_vel = 0
    paddle1_pos += paddle1_vel
    paddle2_pos += paddle2_vel

# Function to draw everything
def draw():
    screen.fill((0, 0, 0))
    pygame.draw.line(screen, PURPLE, [WIDTH // 2, 0], [WIDTH // 2, HEIGHT], 3)
    pygame.draw.line(screen, RED, [PAD_WIDTH, 0], [PAD_WIDTH, HEIGHT], 1)
    pygame.draw.line(screen, GREEN, [WIDTH - PAD_WIDTH, 0], [WIDTH - PAD_WIDTH, HEIGHT], 1)
    pygame.draw.circle(screen, PURPLE, [WIDTH // 2, HEIGHT // 2], 85, 4)
    pygame.draw.circle(screen, WHITE, ball_pos, BALL_RADIUS, 13)
    pygame.draw.circle(screen, WHITE, ball_pos, BALL_RADIUS, 7)
    pygame.draw.rect(screen, WHITE, [0, paddle1_pos, PAD_WIDTH, PAD_HEIGHT])
    pygame.draw.rect(screen, WHITE, [WIDTH - PAD_WIDTH, paddle2_pos, PAD_WIDTH, PAD_HEIGHT])
    font = pygame.font.Font(None, 55)
    score1_text = font.render(str(score1), True, RED)
    score2_text = font.render(str(score2), True, LIME)
    screen.blit(score1_text, [180, 50])
    screen.blit(score2_text, [420, 50])


def main():
    global ball_pos, ball_vel, paddle1_pos, paddle2_pos, paddle1_vel, paddle2_vel, score1, score2

    # 初始化球和球拍的位置、速度等变量
    paddle1_vel = 0
    paddle2_vel = 0

    spawn_ball(bool(random.randrange(0, 2)))  # 生成球

    while True:
        handle_events()  # 处理事件
        update()  # 更新游戏状态
        draw()  # 绘制游戏画面
        pygame.display.update()  # 更新显示
        clock.tick(60)  # 控制帧率


# Run the game
if __name__ == "__main__":
    main()

运行代码