左右移動方塊+跳跳球

 import pygame

import sys

import random

pygame.init()

# 畫面設定

WIDTH, HEIGHT = 800, 600

WHITE = (255, 255, 255)

RED = (255, 0, 0)

BLUE = (0, 100, 255)

screen = pygame.display.set_mode((WIDTH, HEIGHT))

pygame.display.set_caption("球四向反彈")

# 玩家方塊

player_width = 100

player_height = 20

player_x = WIDTH // 2 - player_width // 2

player_y = HEIGHT - 75

player_speed = 8

# 球

ball_radius = 20

ball_x = random.randint(ball_radius, WIDTH - ball_radius)

ball_y = 100

ball_x_speed = 4   # 新增：水平速度

ball_y_speed = 5   # 垂直速度

# 分數

score = 0

font = pygame.font.SysFont(None, 36)

clock = pygame.time.Clock()

running = True

while running:

    clock.tick(60)

    # 處理事件

    for event in pygame.event.get():

        if event.type == pygame.QUIT:

            running = False

    # 玩家左右移動

    keys = pygame.key.get_pressed()

    if keys[pygame.K_LEFT]:

        player_x -= player_speed

    if keys[pygame.K_RIGHT]:

        player_x += player_speed

    player_x = max(0, min(WIDTH - player_width, player_x))

    # 球移動（新增水平速度）

    ball_x += ball_x_speed

    ball_y += ball_y_speed

    # 撞到左右邊界反彈

    if ball_x - ball_radius <= 0 or ball_x + ball_radius >= WIDTH:

        ball_x_speed = -ball_x_speed

    # 撞到方塊反彈（僅從上方）

    if (

        player_y <= ball_y + ball_radius <= player_y + player_height

        and player_x <= ball_x <= player_x + player_width

        and ball_y_speed > 0

    ):

        ball_y_speed = -ball_y_speed

        score += 1

    # 撞到頂部反彈

    if ball_y - ball_radius <= 0:

        ball_y_speed = -ball_y_speed

    # 掉出畫面底部（沒接到）：重置球與分數

    if ball_y > HEIGHT:

        ball_x = random.randint(ball_radius, WIDTH - ball_radius)

        ball_y = 100

        ball_x_speed = random.choice([-4, 4])  # 重新設定方向

        ball_y_speed = 5

        score = 0

    # 畫圖

    screen.fill(WHITE)

    pygame.draw.rect(screen, RED, (player_x, player_y, player_width, player_height))

    pygame.draw.circle(screen, BLUE, (int(ball_x), int(ball_y)), ball_radius)

    score_text = font.render(f"Score: {score}", True, (0, 0, 0))

    screen.blit(score_text, (10, 10))

    pygame.display.flip()

pygame.quit()

sys.exit()