ZerethShell
File Manager
SQL Manager
/
lib64
/
python3.12
/
turtledemo
/
__pycache__
planet_and_moon.cpython-312.pyc
� �֦i � �~ � d Z ddlmZmZmZmZ dZ G d� de� Z G d� de� Z d� Z e d 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 z GravSys.init s � �� � �A� �F�F�H� r c � � t d� D ]B }| xj | j z c_ | j D ] }|j � � �D y )Ni' )�ranger r r �step)r �ir s r �startz GravSys.start s9 � ��u� �A� �F�F�d�g�g� �F��\�\������ "� r N)�__name__� __module__� __qualname__r r r � r r r r s � ���r r c �$ � e Zd Zd� Zd� Zd� Zd� Zy)�Starc � � t j | |�� | j � || _ | j |� || _ |j j | � || _ | j d� | j � y )N)�shape�user) r r �penup�m�setpos�vr �append�gravSys� resizemode�pendown)r r$ �xr& r( r! s r r z Star.__init__' s` � �����E�*� � � � ���� � � �A�������� � �t�$� �� � ���� � � � �r c � � | j j }| j � | _ | j d|z | j z z | _ y )N� �?)r( r �acc�ar& �r r s r r z Star.init1 s8 � � �\�\�_�_�����������#�b�&����-�'��r c �� � t dd� }| j j D ]Q }|| k7 s� |j � | j � z }|t |j z t |� dz z |z z }�S |S )Nr � )�Vecr( r �pos�Gr$ �abs)r r/ �planetr& s r r. zStar.acc5 si � � ��!�H���l�l�*�*�F���~��J�J�L�����+���a����j��Q����*�A�-�-�� +� �r c � � | j j }| j | j � || j z z � | j j j | � dk7 r7| j | j | j j d � � | j � | _ | j || j z z | _ y )Nr ) r( r r% r4 r& r �index� setheading�towardsr. r/ r0 s r r z Star.step< s� � � �\�\�_�_�� � � �D�H�H�J��D�F�F��*�+� �<�<� � � %� %�d� +�q� 0� �O�O�D�L�L�� � �)=�)=�a�)@� A� B����������"�T�V�V�)�#��r N)r r r r r r. r r r r r r & s � � �(��$r r c �� � t � } | j � | j � j dd� | j � | j � | j d� | j d� | j � | j dd� | j � | j � }| j � | j dd� | j � | j � }t d� }|j |d� |j |d� | j � j d|� | j � j d d� t � }t! d t# dd� t# dd � |d � }|j% d � |j' d� |j � t! dt# dd� t# dd� |d� }|j) d� |j' d� t! d t# dd� t# dd� |d� }|j) d� |j' d� |j+ � |j- � y)Nr � �Z � �compound�orange�bluer7 � i@B g ��circle�yellowg������?i�0 �� �� �greeng�������?�� i' r- zDone!)r �reset� getscreen�tracer�ht�pu�fd�lt� begin_polyrD �end_poly�get_polyr � addcomponent�register_shaper r r3 �color� shapesize�pencolorr r )�s�m1�m2� planetshape�gs�sun�earth�moons r �mainra F s� � ���A��G�G�I��K�K�M����1� ��D�D�F��D�D�F��D�D��G��D�D��H��L�L�N��H�H�Q����J�J�L� ��� �B��L�L�N��H�H�Q�s�O��J�J�L� ��� �B�� �#�K�� � �R��)�� � �R��'��K�K�M� � ��;�7��K�K�M����1� � ��B� �w��A�a��#�a��+�r�8� <�C��I�I�h���M�M�#���F�F�H� ���C�� �C��#�J��H� =�E� �N�N�7�� �O�O�C�� ��3�s�1�:�s�1�S�z�2�x� 8�D��M�M�&���N�N�3���G�G�I��H�H�J� r �__main__N) �__doc__�turtler r r r r3 r5 �objectr r ra r r r r �<module>rf sO ���$ 9� 8��� �f� � $�6� $�@%�N �z���F� �J� r
Kaydet
Vazgeç