class MainView(View):
logo = None
btn_start = None
btn_exit = None
context = None
def __init__(self, context):
self.btn_start = Button('Start Game', self._on_start)
self.btn_exit = Button('Exit Game', self._on_exit)
self.context = context
self.logo = pygame.image.load('img/logo.png')
w, h = self.logo.get_size()
# 调整界面适应 Logo 大小以及显示按钮
self.context.screen = pygame.display.set_mode(
(int(w * 1.5), int(h * 2)), 0, 32)
# 设置界面标题
pygame.display.set_caption('Python Snake Game v1.0')
View.__init__(self, context.screen)
def on_draw(self):
# 绘制界面
self._on_draw()
# 绘制按钮
self.btn_start.on_draw(self.context.screen)
self.btn_exit.on_draw(self.context.screen)
def on_event(self, event):
# 监控各种事件
self.btn_start.on_event(event)
self.btn_exit.on_event(event)
def _on_exit(self):
# 控制退出状态
print('exit game')
self.context.running = False
def _on_start(self):
# 切换界面到游戏界面
print('start game')
self.context.view = GameView(self.context)
def _on_draw(self):
'''
计算各个按钮的位置以及Logo的位置
'''
s_w, s_h = self.context.screen.get_size()
l_w, l_h = self.logo.get_size()
x, y, bs_w, bs_h = self.btn_start.get_box()
x, y, be_w, be_h = self.btn_exit.get_box()
y_start = l_h + 50
'''
界面元素排版
'''
self.btn_start.pos = (s_w / 2 - bs_w / 2, y_start)
self.btn_exit.pos = (s_w / 2 - be_w / 2, y_start + bs_h + 4)
self.context.screen.blit(self.logo,
(s_w / 2 - l_w / 2, s_h / 2 - l_h / 2))
class GameOverView(View):
btn_replay = None
btn_exit = None
context = None
game_over = None
def __init__(self, context):
self.btn_replay = Button('Replay Game', self._on_start)
self.btn_exit = Button('Exit Game', self._on_exit)
font = pygame.font.SysFont('arial', 32)
self.game_over = font.render('Game Over', True, (0, 0, 0))
self.context = context
def on_draw(self):
s_w, s_h = self.context.screen.get_size()
l_w, l_h = self.game_over.get_size()
x, y, bs_w, bs_h = self.btn_replay.get_box()
x, y, be_w, be_h = self.btn_exit.get_box()
# 所有元素高度
y_h = bs_h + be_h + l_h + 4 + 50
y_start = s_h / 2 - y_h / 2 + 50
'''
界面元素排版
'''
self.btn_replay.pos = (s_w / 2 - bs_w / 2, y_start)
self.btn_exit.pos = (s_w / 2 - be_w / 2, y_start + bs_h + 4)
self.context.screen.blit(self.game_over,
(s_w / 2 - l_w / 2, s_h / 2 - y_h / 2))
# 绘制按钮
self.btn_replay.on_draw(self.context.screen)
self.btn_exit.on_draw(self.context.screen)
def _on_exit(self):
# 控制退出状态
print('exit game')
self.context.running = False
def _on_start(self):
# 切换界面到游戏界面
print('start game')
self.context.view = GameView(self.context)
def on_event(self, event):
# 监控各种事件
self.btn_replay.on_event(event)
self.btn_exit.on_event(event)
'''
初始化音频播放器
'''
# 初始化
pygame.mixer.init()
def click_test():
print('button clicked')
button = Button(text='Start Game', callable=click_test)
# 1. 游戏死循环
while running:
# 2. 获取事件流
for event in pygame.event.get():
button.on_event(event)
# 3. 处理事件流
if event.type == QUIT:
# 结束运行
running = False
screen.fill((0xff, 0xff, 0xff))
button.on_draw(screen)
# 3. 刷新显示窗口
pygame.display.flip()
clock.tick(60)
# 4. 退出框架
pygame.quit()
