import pygame import math from pygame.sprite import Sprite class Detector(Sprite): def __init__(self, screen, robot, dusts): super().__init__() # initialize detector and its location self.screen = screen self.robot = robot self.dusts = dusts # load image and get rectangle self.image = pygame.image.load('images/detector.png').convert_alpha() self.rect = self.image.get_rect() def get_nearest_dust(self): # Obtain the nearest location information of dust nearest_dust = None min_distance = float('inf') for dust in self.dusts: distance = math.sqrt((dust.rect.centerx - self.robot.rect.centerx) ** 2 + (dust.rect.centery - self.robot.rect.centery) ** 2) if distance < min_distance and distance <= 1: nearest_dust = dust min_distance = distance return nearest_dust def blitme(self): # Draw the detector at the specific location self.screen.blit(self.image, self.rect) def update(self): # Update position to be at the center of the robot self.rect.center = self.robot.rect.center
时间: 2024-02-10 12:24:14 浏览: 130
Python库 | pygame_easy_menu-0.0.11-py3-none-any.whl
这段代码是一个名为 "Detector" 的类,继承自 Pygame 的 Sprite 类。它用于表示一个探测器,可以检测到最近的灰尘。在初始化时,它接收屏幕、机器人和灰尘的参数,并加载探测器的图像。get_nearest_dust() 方法用于获取最近的灰尘的位置信息,它会遍历所有的灰尘对象,计算机器人与每个灰尘之间的距离,并返回最近的灰尘对象。blitme() 方法用于绘制探测器在屏幕上的位置,update() 方法用于更新探测器的位置,使其始终位于机器人中心。
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