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✏️ planet_and_moon.cpython-312.pyc
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� �֦i � �~ � d Z ddlmZmZmZmZ dZ G d� de� Z G d� de� Z d� Zed k( r e� e� y y )a� turtle-example-suite: tdemo_planets_and_moon.py Gravitational system simulation using the approximation method from Feynman-lectures, p.9-8, using turtlegraphics. Example: heavy central body, light planet, very light moon! Planet has a circular orbit, moon a stable orbit around the planet. You can hold the movement temporarily by pressing the left mouse button with the mouse over the scrollbar of the canvas. � )�Shape�Turtle�mainloop�Vec2D� c � � e Zd Zd� Zd� Zd� Zy)�GravSysc �. � g | _ d| _ d| _ y )Nr g{�G�z�?)�planets�t�dt)�selfs �3/usr/lib64/python3.12/turtledemo/planet_and_moon.py�__init__zGravSys.__init__ s � ���������� c �F � | j D ] }|j � � y )N)r �init)r �ps r r zGravSys.init s � ����A� �F�F�H� r c � � t d� D ]B }| xj | j z c_ | j D ] }|j � � �D y )Ni'