68 lines
1.8 KiB
Python
68 lines
1.8 KiB
Python
from boundedturtle import BoundedTurtle
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import random
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class Drone(BoundedTurtle):
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droneList = [] # static variable
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def __init__(self, speed, x_min, x_max, y_min, y_max):
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"""
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Initialize the drone.
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:param speed: Speed of drone.
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:param x_min: Minimum x coordinate of the screen.
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:param x_max: Maximum x coordinate of the screen.
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:param y_min: Minimum y coordinate of the screen.
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:param y_max: Maximum y coordinate of the screen.
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"""
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super().__init__(speed, x_min, x_max, y_min, y_max)
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self.penup()
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self.getscreen().tracer(False)
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if 'images/Drone64.gif' not in self.getscreen().getshapes():
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self.getscreen().addshape('images/Drone64.gif')
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self.shape('images/Drone64.gif')
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self.resizemode('user')
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self.turtlesize(10, 10, 1)
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x = random.uniform(x_min * 0.9, x_max * 0.9)
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self.goto(x, y_max * 1.1)
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self.setheading(270)
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self.getscreen().tracer(True)
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Drone.droneList = Drone.get_drones()
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Drone.droneList.append(self)
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self.__alive = True
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def move(self):
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"""
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Moves the drone.
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"""
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self.forward(self.get_speed())
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if self.below_bottom_bound():
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return True
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return False
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def remove(self):
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self.__alive = False
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self.hideturtle()
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@property
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def alive(self):
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return self.__alive
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@staticmethod
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def destory_all():
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"""
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Destroy all drones.
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:return: None
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"""
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for drone in Drone.droneList:
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drone.remove()
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Drone.droneList = []
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@staticmethod
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def get_drones():
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"""
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:return: List of alive drones.
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"""
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return [x for x in Drone.droneList if x.__alive]
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