使用Python的pygame库实现下雪的效果
关于Python中pygame游戏模块的安装使用可见 https://blog.csdn.net/cnds123/article/details/119514520
先给出效果图:
源码如下:
import pygame import random # 初始化pygame pygame.init() # 设置屏幕尺寸 width, height = 800, 600 screen = pygame.display.set_mode((width, height)) # 设置雪花属性 snowflakes = [] for i in range(50): x = random.randrange(0, width) y = random.randrange(0, height) speed = random.uniform(1, 3) size = random.randint(3, 6) # 雪花大小参数 snowflakes.append([x, y, speed, size]) # 循环直到用户关闭窗口 running = True while running: for event in pygame.event.get(): if event.type == pygame.QUIT: running = False # 填充屏幕颜色 screen.fill((200, 200, 200)) # (0, 0, 0)黑色;(200, 200, 200)阴天 # 绘制雪花 for flake in snowflakes: pygame.draw.circle(screen, (255, 255, 255), (int(flake[0]), int(flake[1])), flake[3]) # 使用大小参数绘制雪花 flake[1] += flake[2] # 移动雪花 if flake[1] > height: flake[1] = random.randrange(-50, -10) flake[0] = random.randrange(0, width) # 更新屏幕 pygame.display.flip() # 控制帧率 pygame.time.Clock().tick(30) # 退出pygame pygame.quit()
下面给出改进版
效果图:
使用一张背景图片(我这里文件名:snow_background.jpg),和代码文件放在同一目录下
源码如下:
import pygame import random # 初始化pygame pygame.init() # 设置屏幕尺寸 width, height = 800, 600 screen = pygame.display.set_mode((width, height)) # 加载背景图片 background = pygame.image.load('snow_background.jpg') background = pygame.transform.scale(background, (width, height)) # 设置雪花属性 snowflakes = [] for i in range(50): x = random.randrange(0, width) y = random.randrange(0, height) speed = random.uniform(1, 3) size = random.randint(3, 6) # 雪花大小参数 snowflakes.append([x, y, speed, size]) # 循环直到用户关闭窗口 running = True while running: for event in pygame.event.get(): if event.type == pygame.QUIT: running = False # 填充屏幕颜色 #screen.fill((200, 200, 200)) # (0, 0, 0)黑色;(200, 200, 200)阴天 # 绘制背景图片 screen.blit(background, (0, 0)) # 移动雪花并重新绘制 for flake in snowflakes: pygame.draw.circle(screen, (255, 255, 255), (int(flake[0]), int(flake[1])), flake[3]) # 使用大小参数绘制雪花 flake[1] += flake[2] # 移动雪花 if flake[1] > height: flake[1] = random.randrange(-50, -10) flake[0] = random.randrange(0, width) # 更新屏幕 pygame.display.flip() # 控制帧率 pygame.time.Clock().tick(30) # 退出pygame pygame.quit()
附:RGB 颜色表 https://www.codeeeee.com/color/rgb.html