Отчет по учебной

• Название: Отчет по учебной
• Дата: 06.12.2022
• Размер: 415.93 Kb.
• Имя файла: Kursovaya_rabota_v_1_8.docx
• Тип: Отчет; #830166
• страница: 12 из 12

[1]

68 ). pop ()

69

70. 
    other_verts = list (
    
71. 
    selected_edges_verts [0] ^ selected_edges_verts [1]
    

72 )

73

74. 
    if( other_verts [0] > other_verts [1]) :
    
75. 
    other_verts [0] , other_verts [1] = other_verts [1] , other_verts [0]
    

76

77 bm. verts . ensure_lookup_table ()

78

79 vdiff = bv[ other_verts [1]]. co - bv[ other_verts [0] ]. co

80	vdiff [0] *=	sqrt (3) /2.0
81	vdiff [1] *=	sqrt (3) /2.0
82	vrot = vdiff	* rot_matrix
83

84 new_pos = bv[ joint_vert ]. co + vrot

85

86. 
    bpy . ops . mesh . select_all ( action = ’ DESELECT ’)
    
87. 
    bv[ joint_vert ]. select = True
    

88

89 bm. select_flush ( True )

90

91 bpy . ops . transform . translate ( value = tuple ( vrot ))

92

93 bpy . ops . object . mode_set ( mode = ’ OBJECT ’)
Листинг А.5 – Вариации и обобщения.

1. 
   class add_snowflake ( bpy . types . Operator ):
   
2. 
   """ Add a Koch Snowflake """
   
3. 
   bl_idname = " mesh . add_snowflake "
   
4. 
   bl_label = " Add Snowflake "
   
5. 
   bl_options = {’ REGISTER ’, ’ UNDO ’, ’ PRESET ’}
   

6

7. 
   iterations = bpy . props . Int Property (
   
8. 
   name = " Iterations ",
   
9. 
   description = " Number of fractal iterations ",
   
10. 
    min = 0 ,
    
11. 
    max = 6 ,
    
12. 
    default = 2
    

13 )

14

15. 
    sides = bpy . props . Int Property (
    
16. 
    name = " Number of sides ",
    
17. 
    description = " The number of sides of the initial polygon ",
    
18. 
    min = 3 ,
    

19 max = 32 ,

20 default = 6

21 )

22

23. 
    radius = bpy . props . Float Property (
    
24. 
    name = " Radius ",
    
25. 
    description = " Radius of the snowflake ",
    

26 min = 0.1 ,

27 max = 100.0 ,

28. 
    unit = ’ LENGTH ’,
    
29. 
    default = 1.0
    

30 )

31

32. 
    def draw ( self , context ):
    
33. 
    layout = self . layout
    

34

35. 
    box = layout . box ()
    
36. 
    box . prop ( self , ’ radius ’)
    
37. 
    box . prop ( self , ’ sides ’)
    
38. 
    box . prop ( self , ’ iterations ’)
    

39

40 def execute ( self , context ):

41

42. 
    create_snowflake (
    
43. 
    create_mesh_obj (
    
44. 
    ’ snowflake ’, draw_initial_polygon (
    
45. 
    sides = self . sides ,
    
46. 
    radius = self . radius
    

47 )

48 ), iterations = self . iterations

49 )

50

51 return {’ FINISHED ’}
Листинг А.6 – Функция добавления оператора.

1. 
   def menu_func ( self , context ):
   
2. 
   self . layout . operator (
   
3. 
   " mesh . add_snowflake ",
   
4. 
   text = " Snowflake ",
   
5. 
   icon = " PLUGIN "
   

6 )

7

8. 
   def register ():
   
9. 
   bpy . utils . register_module ( __name__ )
   

10

11 bpy . types . INFO_MT_mesh_add . append ( menu_func )

12

13. 
    def unregister ():
    
14. 
    bpy . utils . unregister_module ( __name__ )
    

15

16 bpy . types . INFO_MT_mesh_add . remove ( menu_func )

17

18 if __name__ == " __main__ ":

19 register ()