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button.py
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button.py
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"""
用于维护按钮类的模块
"""
import pygame
# 按钮的基类,我们可以通过实例化按钮类来创建各种按钮
class Button():
# 初始化按钮
def __init__(self, settings, screen, msg):
self.screen = screen
self.screen_rect = self.screen.get_rect()
self.settings = settings
# 设置按钮的尺寸
self.width = 200
self.height = 50
# 设置按钮的颜色
self.button_color = (0, 255, 0)
# 设置文本的颜色
self.text_color = (255, 255, 255)
# 设置文本的字体
self.font = pygame.font.Font(None, 48)
# 设置按钮的图像
self.rect = pygame.Rect(0, 0, self.width, self.height)
# 将按钮设置到屏幕中间
self.rect.center = self.screen_rect.center
# 将文本渲染成 Surface对象
self.prep_msg(msg)
def prep_msg(self, msg):
# 将文本字符串渲染成一个Surface对象
self.msg_image = self.font.render(msg, True, self.text_color, self.button_color)
# 获取文本的坐标
self.msg_rect = self.msg_image.get_rect()
# 将文本位置放到按钮中间
self.msg_rect.center = self.rect.center
def draw_button(self):
self.screen.fill(self.button_color, self.rect)
self.screen.blit(self.msg_image, self.msg_rect)