37 lines
1.4 KiB
Python
37 lines
1.4 KiB
Python
# coding: UTF-8
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# 创建开启游戏的play按钮
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import pygame.font
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class Button():
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"""初始化按钮的属性"""
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def __init__(self, ai_settings, screen, msg):
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self.screen = screen
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self.screen_rect = screen.get_rect()
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# 设置按钮的尺寸和其他属性
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self.width, self.height = 200, 50
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self.button_color = (0, 208, 0) # 按钮框的颜色--和外星人一样的颜色
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self.text_color = (255, 0, 0) # 文本颜色--红色
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self.font = pygame.font.SysFont(None, 48) # 使用默认字体，字号为48
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# 设置按钮的rect并使其居中
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self.button_rect = pygame.Rect(0, 0, self.width, self.height)
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self.button_rect.center = self.screen_rect.center
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# 按钮的标签只需要创建一次
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self.prep_msg(msg)
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def prep_msg(self, msg):
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"""
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将文本渲染成图像并使其在按钮上居中
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"""
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self.msg_image = self.font.render(msg, True, self.text_color) # 将存储在msg中的文本转换成图像
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self.msg_image_rect = self.msg_image.get_rect()
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self.msg_image_rect.center = self.button_rect.center
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def draw_button(self):
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"""绘制一个用颜色填充的按钮，然后绘制文本"""
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self.screen.fill(self.button_color, self.button_rect)
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self.screen.blit(self.msg_image, self.msg_image_rect) |