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import pygame |
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import sys |
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# 初始化pygame |
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pygame.init() |
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# 设置窗口大小 |
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screen_width, screen_height = 800, 600 |
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screen = pygame.display.set_mode((screen_width, screen_height)) |
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pygame.display.set_caption("简单的球球大作战") |
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# 设置颜色 |
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WHITE = (255, 255, 255) |
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RED = (255, 0, 0) |
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# 创建球球 |
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ball_radius = 20 |
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ball_pos = [screen_width // 2, screen_height // 2] |
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ball_speed = [2, 2] |
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# 游戏主循环 |
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running = True |
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while running: |
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# 处理事件 |
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for event in pygame.event.get(): |
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if event.type == pygame.QUIT: |
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running = False |
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elif event.type == pygame.KEYDOWN: |
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if event.key == pygame.K_UP: |
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ball_speed[1] = -ball_speed[1] |
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elif event.key == pygame.K_DOWN: |
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ball_speed[1] = abs(ball_speed[1]) |
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elif event.key == pygame.K_LEFT: |
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ball_speed[0] = -ball_speed[0] |
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elif event.key == pygame.K_RIGHT: |
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ball_speed[0] = abs(ball_speed[0]) |
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# 更新球球位置 |
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ball_pos[0] += ball_speed[0] |
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ball_pos[1] += ball_speed[1] |
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# 边界检测 |
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if ball_pos[0] - ball_radius < 0 or ball_pos[0] + ball_radius > screen_width: |
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ball_speed[0] = -ball_speed[0] |
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if ball_pos[1] - ball_radius < 0 or ball_pos[1] + ball_radius > screen_height: |
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ball_speed[1] = -ball_speed[1] |
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# 绘制背景 |
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screen.fill(WHITE) |
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# 绘制球球 |
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pygame.draw.circle(screen, RED, ball_pos, ball_radius) |
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# 更新屏幕 |
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pygame.display.flip() |
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# 控制帧率 |
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pygame.time.Clock().tick(60) |
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# 退出pygame |
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pygame.quit() |
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sys.exit() |
