Blender 2.9, Python Buildings, Cars, Videos

Blender video production that proceeded slowly, but for the time being video in two and a half months "Video of Hirano Ophthalmology Parking Information" Is done. One paragraph here. I had the aim of writing almost everything in python, but at the end I manually pasted the texture around the signboard of Book Off. It took two and a half months for the four-second video to be inefficient, but anyway, there is a sense of accomplishment that "I didn't stop halfway through for two and a half months." The reason for continuing

You may like or dislike whether or not to announce the production process, but I think it's better to create a place to show it to people on the way. It is an internet environment in 2020 with a lot of Japanese python materials, but it is difficult to find materials to collect under the condition of "2.8 instead of blender 2.7, and python" unless you search for both sentences and videos in both English and Japanese. The whole python script is written below, but in addition to the script, two image textures (signboard image) are required to reproduce the video. 14.jpg 21.jpg 34.jpg 51.jpg

#bpy_nh36,Body, map building. Stairs,2 signboards 2020.10.28 work
import bpy
import bmesh
import math
from math import radians
from mathutils import Matrix

#========= DELETE ALL mesh, light, camera,2 lines to delete all=========
for item in bpy.data.objects:
    bpy.data.objects.remove(item)
  
def hex_to_rgb( hex_value ): #=== hex color code to RGB
    b = (hex_value & 0xFF) / 255.0
    g = ((hex_value >> 8) & 0xFF) / 255.0
    r = ((hex_value >> 16) & 0xFF) / 255.0
    return r, g, b

def add_material(obj, material_name, h):  #=== material to cube 
    material = bpy.data.materials.get(material_name)
    if material is None:
        material = bpy.data.materials.new(material_name)
    material.use_nodes = True
    principled_bsdf = material.node_tree.nodes['Principled BSDF']
    if principled_bsdf is not None:
        principled_bsdf.inputs[0].default_value = (*hex_to_rgb(h), 1)  
    obj.active_material = material
# =================== definition , create apartment #FThick=1.5 meter (3 meter per floor )
xy_bump = 1.05 #  building wide and narrow cube xy_bump ( 1 wide cube plus 1 narrow cube makes one floor)
def create_apartment(x_origin, y_origin, z_rot, NumOfStories, xScale, yScale, FThick, odd_color, even_color):
    for i in range (0, 2*NumOfStories, 2):
        bpy.ops.mesh.primitive_cube_add(size=2, enter_editmode=False, align='WORLD', location=(x_origin, y_origin, i * FThick), rotation=(0.0, 0.0, z_rot), scale=(xScale, yScale, FThick))
        obj = bpy.context.object
#        add_material( obj, "color01", odd_color )  
        add_material( obj, "", odd_color )  
        bpy.ops.mesh.primitive_cube_add(size=2, enter_editmode=False, align='WORLD', location=(x_origin, y_origin, FThick + i * FThick), rotation=(0.0, 0.0, z_rot), scale=(xScale*xy_bump, yScale*xy_bump, FThick))
        obj = bpy.context.object
#        add_material( obj, "color02", even_color ) 
        add_material( obj, "", even_color )    
  
# ======== create now z_rot:rotation,  NumOfStories:floors, 
# create_apartment(x_origin, y_origin, z_rot, NumOfStories, xScale, yScale, FThick, odd_color, even_color):
create_apartment(-21, -27, 1/180*3.14, 5, 15, 25, 1.5, 0x2F2F2F, 0xffe4b5) #ryowa #DARKSLATEGRAY#2F4F4F
create_apartment(-31, 4, -30/180*3.14, 15, 15, 18, 1.5, 0x2F2F2F, 0xffe4b5)  #HBF #DARKSLATEGRAY#2F4F4F
create_apartment(-25, 20, -30/180*3.14, 8, 18, 15, 1.5, 0xffe4b5, 0x222222) #apt5 bldg
create_apartment(-23, 40, 0/180*3.14, 2, 15, 30, 1.2, 0xeeeeee, 0x6495ed)  #boff #MAROON#800000 ,#DARKGRAY#A9A9A9  ##lightskyblue#87cefa #cornflowerblue#6495ed

create_apartment(-20, 68, 0/180*3.14, 4, 9, 9, 1.5, 0x2F2F2F, 0xffe4b5) #cosmos -20, 67, 10m 10m
create_apartment(14, 70, 0/180*3.14, 4, 22, 11, 1.5, 0x2F2F2F, 0xffe4b5) #seikei  x14,y70, 22m 11m
create_apartment(-50, 53, 0/180*3.14, 10, 10, 10, 1.5, 0x2F2F2F, 0xffe4b5) #lumiere_k1 -49,53,  scale 6,6
create_apartment(-60, 55, 0/180*3.14, 10, 12, 12, 1.5, 0x2F2F2F, 0xffe4b5) #lumiere_k2 -49,53,  scale 6,6
# ====== create kanbans ...  2 planes
bpy.ops.mesh.primitive_plane_add(size=4, enter_editmode=False, align='WORLD', location=(-15, 48, 6.25), rotation=(3.14/2, 0, 3.14/2), scale=(1,1,1))
bpy.context.active_object.name = 'kanban_book'
bpy.ops.mesh.primitive_plane_add(size=4, enter_editmode=False, align='WORLD', location=(-15, 13, 3.5), rotation=(3.14/2, 0, 3.14*0.4), scale=(1,1,1))
bpy.ops.transform.resize(value=(1, 3, 0.7)) 
bpy.context.active_object.name = 'kanban_higa'

#==================== beginning of STAIRS . skew rectangle
pi = math.pi
# URL https://tamaki-py.hatenablog.com/entry/2019/06/03/223545
#'''Must start in object mode.Script does not work when scene is empty.'''
##Change to object mode.
#bpy.ops.object.mode_set(mode='OBJECT')
##Select all objects.
#bpy.ops.object.select_all(action='SELECT')
##Delete all selected objects.
#bpy.ops.object.delete()
#'''Create a cube,Switch to edit mode.'''
#Place the cube.
#######(-49,60, 0)
# === stairs east face
bpy.ops.mesh.primitive_cube_add(size=1, location=(-51, 61, 0)) ##lumiere_koi_bldg stairs
bpy.ops.transform.resize(value=(0.1, 4, 1.4))

#Switch to edit mode.
bpy.ops.object.mode_set(mode='EDIT')
#Deselect all meshes.
bpy.ops.mesh.select_all(action='DESELECT')
'''Switch to face mode,Rotate one surface.'''
#Set to face mode.
bpy.ops.mesh.select_mode(type="FACE")
#Instantiation of bmesh object.
b_mesh = bmesh.from_edit_mesh(bpy.context.object.data)
b_mesh.faces.ensure_lookup_table()
b_mesh.faces[3].select = True # ===  face number (3) south face 
bpy.ops.transform.translate(value=(0, 0, 3)) #=== move a face upward
bpy.ops.object.mode_set(mode='OBJECT')

for i in range(8):
    bpy.ops.object.duplicate_move(OBJECT_OT_duplicate={"linked":False, "mode":'TRANSLATION'}, TRANSFORM_OT_translate={"value":(0, 0, 3), "orient_type":'GLOBAL', "orient_matrix":((1, 0, 0), (0, 1, 0), (0, 0, 1)), "orient_matrix_type":'GLOBAL', "constraint_axis":(False, False, False), })
# === lumiere_koi_bldg stairs west face
bpy.ops.mesh.primitive_cube_add(size=1, location=(-53, 61, 0)) ##lumiere_koi_bldg stairs
bpy.ops.transform.resize(value=(0.1, 4, 1.4))

#Switch to edit mode.
bpy.ops.object.mode_set(mode='EDIT')
#Deselect all meshes.
bpy.ops.mesh.select_all(action='DESELECT')
'''Switch to face mode,Rotate one surface.'''
#Set to face mode.
bpy.ops.mesh.select_mode(type="FACE")
#Instantiation of bmesh object.
b_mesh = bmesh.from_edit_mesh(bpy.context.object.data)
b_mesh.faces.ensure_lookup_table()
b_mesh.faces[1].select = True # ===  face number (3) south face 
bpy.ops.transform.translate(value=(0, 0, 3)) #=== move a face upward
bpy.ops.object.mode_set(mode='OBJECT')
for i in range(8):
    bpy.ops.object.duplicate_move(OBJECT_OT_duplicate={"linked":False, "mode":'TRANSLATION'}, TRANSFORM_OT_translate={"value":(0, 0, 3), "orient_type":'GLOBAL', "orient_matrix":((1, 0, 0), (0, 1, 0), (0, 0, 1)), "orient_matrix_type":'GLOBAL', "constraint_axis":(False, False, False), })
# === lumiere_koi_bldg stairs north rectrangle face 
bpy.ops.mesh.primitive_cube_add(size=1, location=(-52, 63, 0)) ##lumiere_koi_bldg stairs
bpy.ops.transform.resize(value=(2,0.1,1.4)) #(0.1, 4, 1.4))
for i in range(8):
    bpy.ops.object.duplicate_move(OBJECT_OT_duplicate={"linked":False, "mode":'TRANSLATION'}, TRANSFORM_OT_translate={"value":(0, 0, 3), "orient_type":'GLOBAL', "orient_matrix":((1, 0, 0), (0, 1, 0), (0, 0, 1)), "orient_matrix_type":'GLOBAL', "constraint_axis":(False, False, False), })
#============================ end of STAIRS 

## === hodoukyo horizontal part
bpy.ops.mesh.primitive_cube_add(size=1, location=(-52, 67, 2.5))
bpy.ops.transform.resize(value=(2, 8, 1))
## === hodoukyo "v-shape" arch over the bridge
vlen = 12
vb_height =5 #apex height
ct_x = -52 # center x 
ct_y =  67 # center y
for i in range(-vlen, (vlen +1) ):  #（  (-3, 3)If you write, 3 on the minus side, 1 on the origin, 2 on the plus side, 6 in total)
    x= i/2
    y= i/2
    z= vb_height - abs(i) / 8
    bpy.ops.mesh.primitive_cube_add(size=0.3, location=(ct_x + x*0.3, ct_y + y*0.3, z))
    bpy.ops.mesh.primitive_cube_add(size=0.3, location=(ct_x + x*0.3, ct_y -y*0.3, z))
    bpy.ops.mesh.primitive_cube_add(size=0.3, location=(ct_x + x*0.3, ct_y + -vlen*0.3/2, 3.5))
    bpy.ops.mesh.primitive_cube_add(size=0.3, location=(ct_x + x*0.3, ct_y + vlen*0.3/2, 3.5))
## === hodoukyo stairs part
bpy.ops.mesh.primitive_cube_add(size=1, location=(-49, 70, 1.3))
bpy.ops.transform.resize(value=(6, 2, 0.3))
# URL https://suzulang.com/blender-2-8-python-rotate/
#Specify the currently active object in obj
obj = bpy.context.active_object

def rotate_object(rot_mat):
    # decompose world_matrix's components, and from them assemble 4x4 matrices
    orig_loc, orig_rot, orig_scale = obj.matrix_world.decompose()
    #
    orig_loc_mat   = Matrix.Translation(orig_loc)
    orig_rot_mat   = orig_rot.to_matrix().to_4x4()
    orig_scale_mat = (Matrix.Scale(orig_scale[0],4,(1,0,0)) @ 
                      Matrix.Scale(orig_scale[1],4,(0,1,0)) @ 
                      Matrix.Scale(orig_scale[2],4,(0,0,1)))
    #
    # assemble the new matrix
    obj.matrix_world = orig_loc_mat @ rot_mat @ orig_rot_mat @ orig_scale_mat 
# Matrix.Create a rotation matrix with Rotation
# Matrix.Rotation(Radian rotation angle, 4 ,Axis of rotation)
#4 means 4x4 matrix
#The axis of rotation is(x,y,z)Besides the format'X'Or'Y'Or'Z'You can also specify the axis name like
rotate_object( Matrix.Rotation( radians(30), 4, (0,1,0) ) )


## === end of  hodoukyo

# =====  road
bpy.ops.mesh.primitive_plane_add(size=2, enter_editmode=False, align='WORLD', location=(-7, 90, 0), scale=(1, 1, 1))
bpy.ops.transform.resize(value=(3, 200, 1))
bpy.ops.mesh.primitive_plane_add(size=2, enter_editmode=False, align='WORLD', location=(-0.6, 120, 0), scale=(1, 1, 1), rotation=(0.0, 0.0, -6/180*3.14))
bpy.ops.transform.resize(value=(100, 1, 1))

# Add a plane for ground  ==================
bpy.ops.mesh.primitive_plane_add(size=400.0, align='WORLD', location=(0.0, 0.0, -0.5), rotation=(0.0, 0.0, 0.0) )
matp = bpy.data.materials.new('Plane')
matp.diffuse_color = (0.08, 0.08, 0.03, 0) 
obj = bpy.context.view_layer.objects.active
obj.data.materials.append(matp)

# ================== world - surface - background (background) 
bpy.data.worlds["World"].node_tree.nodes["Background"].inputs[0].default_value = (0.01, 0.15, 0.25, 1)
bpy.data.worlds["World"].node_tree.nodes["Background"].inputs[1].default_value = 0.7      

# ============== "light"
# create light datablock, set attributes
#light_data = bpy.data.lights.new(name="light_spot1", type='SPOT')
light_data = bpy.data.lights.new(name="light_spot1", type='SUN')
light_data.energy = 5
# create new object with our light datablock
light_object1 = bpy.data.objects.new(name="light_spot1", object_data=light_data)
# link light object
bpy.context.collection.objects.link(light_object1)
# make it active 
bpy.context.view_layer.objects.active = light_object1
#change location
light_object1.location = (20, -10, 50)
light_object1.delta_rotation_euler = (1.3, 0, 0.3) #Look straight down at zero zero zero.
# update scene, if needed
dg = bpy.context.evaluated_depsgraph_get() 
dg.update()

light_data = bpy.data.lights.new(name="light_spot2", type='SPOT')
light_data.energy = 20000
# create new object with our light datablock
light_object2 = bpy.data.objects.new(name="light_spot2", object_data=light_data)
# link light object
bpy.context.collection.objects.link(light_object2)
# make it active 
bpy.context.view_layer.objects.active = light_object2
#change location
light_object2.location = (-20, 60, 40)
light_object2.delta_rotation_euler = (0.1, 0, 0.3) #Look straight down at zero zero zero.
# update scene, if needed
dg = bpy.context.evaluated_depsgraph_get() 
dg.update()

light_data = bpy.data.lights.new(name="light_spot3", type='SPOT')
light_data.energy = 20000
# create new object with our light datablock
light_object3 = bpy.data.objects.new(name="light_spot3", object_data=light_data)
# link light object
bpy.context.collection.objects.link(light_object3)
# make it active 
bpy.context.view_layer.objects.active = light_object3
#change location
light_object3.location = (-50, 60, 40)
light_object3.delta_rotation_euler = (0.1, 0, 0.3) #Look straight down at zero zero zero.
# update scene, if needed
dg = bpy.context.evaluated_depsgraph_get() 
dg.update()


# ================
#======= KOI HONMACHI Map ======
bpy.ops.object.load_reference_image(filepath="/Users/nh7/Dropbox/blenderF/bpykmapR2.jpg ")
bpy.context.active_object.name = 'plane_map1'

bpy.context.object.scale[0] = 106
bpy.context.object.scale[1] = 106
bpy.context.object.location[0] = -58.6
bpy.context.object.location[1] = 70.7
#======= KOI HONMACHI Map ======END 


#======= car body manufacturing start
bpy.ops.mesh.primitive_cube_add(size=1, location=(0, 0, 0), scale=(1, 1, 1))
bpy.context.active_object.name = 'b_base'
bpy.ops.transform.resize(value=(1.5,3.4,0.9))
bpy.ops.mesh.primitive_plane_add(size=1, location=(0, -0.45, 0.4))
bpy.context.active_object.name = 'b_top'
bpy.ops.object.editmode_toggle()
bpy.ops.mesh.inset(thickness=0.1, depth=0.6)
bpy.ops.object.editmode_toggle()
bpy.ops.transform.resize(value=(1.5,2.5,1))
bpy.data.objects['b_base'].select_set(True)
bpy.data.objects['b_top'].select_set(True)
for x in bpy.context.selected_objects: # same COLOR on tires and body
    objdd =  x.data
    mat = bpy.data.materials.new('Car_color')
    #h = 0xdc143c  ###0xdc143c= crimson
    h = 0x800000 #ox800000=maroon
    mat.diffuse_color = (*hex_to_rgb(h), 1) #======   COLOR
    objdd.materials.append(mat)
bpy.data.objects['b_base'].select_set(False)
bpy.data.objects['b_top'].select_set(False)

bpy.ops.mesh.primitive_cylinder_add(vertices=16, radius=0.3 , depth=1.6, end_fill_type='NGON', location=(0,1.0,-0.3) )
bpy.context.active_object.name = 'tire_fr'
bpy.ops.transform.rotate(value=90/180*3.14, orient_axis='Y' )
bpy.ops.mesh.primitive_cylinder_add(vertices=16, radius=0.3 , depth=1.6, end_fill_type='NGON', location=(0,-1.2,-0.3) )
bpy.context.active_object.name = 'tire_rr'
bpy.ops.transform.rotate(value=90/180*3.14, orient_axis='Y' )
bpy.data.objects['tire_fr'].select_set(True)
bpy.data.objects['tire_rr'].select_set(True)
for x in bpy.context.selected_objects: # same COLOR on tires and body
    objdd =  x.data
    mat = bpy.data.materials.new('Car_color') 
    h = 0x2f4f4f ###gray?????darkslategray
    mat.diffuse_color = (*hex_to_rgb(h), 1) #======   COLOR
    objdd.materials.append(mat)


bpy.data.objects['b_base'].select_set(True)
bpy.data.objects['b_top'].select_set(True)
bpy.data.objects['tire_fr'].select_set(True)
bpy.data.objects['tire_rr'].select_set(True)
bpy.ops.object.join()
bpy.context.active_object.name = 'joined_car1'
bpy.data.objects['joined_car1'].select_set(True)


#======= END of car body manufacturing 

# ================ CAR movement with KEY FRAME 
bpy.context.scene.frame_start = 1
bpy.context.scene.frame_end = 60
bpy.context.scene.frame_current = 10

bpy.data.objects['joined_car1'].select_set(True)
objects = bpy.data.objects

bpy.context.scene.frame_current = 1 # set frame to 1
objects['joined_car1'].location = (-8,-9,1)  # set location
bpy.ops.transform.rotate(value=0/180*3.14, orient_axis='Z' )
bpy.ops.anim.keyframe_insert_menu(type='Location') # KEY FRAME
bpy.ops.anim.keyframe_insert_menu(type='Rotation')

bpy.context.scene.frame_current = 10 # set frame to 10
objects['joined_car1'].location = (-8,15,1)
bpy.ops.transform.rotate(value=0/180*3.14, orient_axis='Z' )
bpy.ops.anim.keyframe_insert_menu(type='Location') # KEY FRAME
bpy.ops.anim.keyframe_insert_menu(type='Rotation')

bpy.context.scene.frame_current = 20
objects['joined_car1'].location = (-8,53,1)
bpy.ops.transform.rotate(value=-2/180*3.14, orient_axis='Z' )
bpy.ops.anim.keyframe_insert_menu(type='Location') # KEY FRAME
bpy.ops.anim.keyframe_insert_menu(type='Rotation')

bpy.context.scene.frame_current = 22
objects['joined_car1'].location = (-10,59,1)
bpy.ops.transform.rotate(value=-30/180*3.14, orient_axis='Z' )
#objects['car_body'].rotation = (0,0,15/180*3.14)
bpy.ops.anim.keyframe_insert_menu(type='Location') # KEY FRAME
bpy.ops.anim.keyframe_insert_menu(type='Rotation')

bpy.context.scene.frame_current = 25
objects['joined_car1'].location = (-14,60,1)
bpy.ops.transform.rotate(value=-30/180*3.14, orient_axis='Z' )
#objects['car_body'].rotation = (0,0,15/180*3.14)
bpy.ops.anim.keyframe_insert_menu(type='Location') # KEY FRAME
bpy.ops.anim.keyframe_insert_menu(type='Rotation')

bpy.context.scene.frame_current = 40
objects['joined_car1'].location = (-30,64,1)
bpy.ops.transform.rotate(value=-30/180*3.14, orient_axis='Z' )
#objects['car_body'].rotation = (0,0,30/180*3.14)
bpy.ops.anim.keyframe_insert_menu(type='Location') # KEY FRAME
bpy.ops.anim.keyframe_insert_menu(type='Rotation')

bpy.context.scene.frame_current = 50
objects['joined_car1'].location = (-45,65,1)
#bpy.ops.transform.rotate(value=0/180*3.14, orient_axis='Z' )
bpy.ops.anim.keyframe_insert_menu(type='Location') # KEY FRAME
bpy.ops.anim.keyframe_insert_menu(type='Rotation')

bpy.context.scene.frame_current = 60
objects['joined_car1'].location = (-65,65,1)
bpy.ops.transform.rotate(value=0/180*3.14, orient_axis='Z' )
#objects['car_body'].rotation = (0,0,30/180*3.14)
bpy.ops.anim.keyframe_insert_menu(type='Location') # KEY FRAME
bpy.ops.anim.keyframe_insert_menu(type='Rotation')

bpy.ops.transform.rotate(value=0, orient_axis='Z' )

# ================ END of CAR movement

# ================ make a new CURVE for camera movement
# ==== nunoheya BEGIN
curvedata = bpy.data.curves.new("my curve", type='CURVE')    
curvedata.dimensions = '3D'    

polyline = curvedata.splines.new('BEZIER')
polyline.bezier_points.add(2) #Number of control points-1

polyline.bezier_points[0].co = -1,-61,18
polyline.bezier_points[0].handle_left = -1,-74,18
polyline.bezier_points[0].handle_right = -6,-45,18

polyline.bezier_points[1].co = 0,30,18
polyline.bezier_points[1].handle_left = -3,15,18
polyline.bezier_points[1].handle_right = 0,43,18

polyline.bezier_points[2].co = -18,62,20
polyline.bezier_points[2].handle_left = 0,58,20
polyline.bezier_points[2].handle_right = -30,62,20

obj = bpy.data.objects.new("my bezier", curvedata) 
#Create a new collection
newCol = bpy.data.collections.new('Collection 1')
#Link collection to current scene
bpy.context.scene.collection.children.link(newCol)
#Link objects to collection
newCol.objects.link(obj)
# ==== nunoheya END


#  ================== = camera movement
#bpy.ops.curve.primitive_bezier_circle_add(enter_editmode=False, align='WORLD', location=(20, 20, 30))
bpy.ops.object.empty_add(type='CUBE', align='WORLD', location=(0,0,0))
bpy.ops.object.camera_add(enter_editmode=False, align='VIEW', location=(0,0,0), rotation=(0, 0, 0))

bpy.data.objects['Empty'].select_set(True)
bpy.data.objects['Camera'].select_set(True)

bpy.context.view_layer.objects.active = bpy.data.objects['Empty']
bpy.ops.object.parent_set(type='OBJECT')

bpy.data.objects['Camera'].select_set(False)
bpy.data.objects['Empty'].select_set(True)

bpy.ops.object.constraint_add(type='FOLLOW_PATH')
#bpy.context.object.constraints["Follow Path"].target = bpy.data.objects["BezierCircle"]
bpy.context.object.constraints["Follow Path"].target = bpy.data.objects["my bezier"]

bpy.context.object.constraints["Follow Path"].use_curve_follow = True
bpy.context.object.constraints["Follow Path"].use_fixed_location = True

bpy.data.objects['Empty'].select_set(False)
bpy.data.objects['Camera'].select_set(True)

bpy.ops.object.constraint_add(type='TRACK_TO')

#bpy.context.object.constraints["Track To"].target = bpy.data.objects["Cube.016"]
bpy.context.object.constraints["Track To"].target = bpy.data.objects["joined_car1"]
bpy.context.object.constraints["Track To"].up_axis = 'UP_Y'
bpy.context.object.constraints["Track To"].track_axis = 'TRACK_NEGATIVE_Z'  #5m00sec
#Camera Keyframe #(Insert keyframe to object's Offset Factor Python API - stack exchange)
bpy.data.objects['Camera'].select_set(False)
bpy.data.objects['Empty'].select_set(True)
bpy.context.scene.frame_current = 1
bpy.context.object.constraints["Follow Path"].offset_factor = 0
ob = bpy.context.object
# ob.constraints['Follow Path']
# bpy.data.objects['Empty'].constraints["Follow Path"]
# [bpy.data.objects['Empty'].constraints["Follow Path"]]
con = ob.constraints.get("Follow Path")
con.offset_factor = 0.0
con.keyframe_insert("offset_factor", frame=1)
con.offset_factor = 0.25
con.keyframe_insert("offset_factor", frame=12)
con.offset_factor = 0.50
con.keyframe_insert("offset_factor", frame=18)
con.offset_factor = 0.70
con.keyframe_insert("offset_factor", frame=30)
con.offset_factor = 0.80
con.keyframe_insert("offset_factor", frame=50)
con.offset_factor = 0.99
con.keyframe_insert("offset_factor", frame=60)

# ==== END of camera movement

# ======== to EDIT mode, then OBJECT mode ===

#「#Transition to edit mode "2.Improved about 2 lines for 8.
 
#Transition to edit mode
#Argument arg_objectname: Specified object name
#Return value
def set_mode_edit(arg_objectname='Default'):
  #Scan all objects so that the operation does not apply to other objects
  for ob in bpy.context.scene.objects:
    #Set to non-selected state
    #ob.select=False  #blender2.7
    ob.select_set(False)
  #Get the specified object
  selectob = bpy.data.objects[arg_objectname]
  #Change the change object to be active
  #bpy.context.scene.objects.active = selectob  #blender2.7
  bpy.context.view_layer.objects.active = selectob
  #
  #Move to edit mode
  bpy.ops.object.mode_set(mode='EDIT', toggle=False)
  return
#Function execution example
set_mode_edit('my bezier')
# =====
#「#Transition to object mode "2.Improved about 2 lines for 8.

#Transition to object mode
#Argument arg_objectname: Specified object name
#Return value
def set_mode_object(arg_objectname='Default'):
  #Scan all objects so that the operation does not apply to other objects
    for ob in bpy.context.scene.objects:
    #Set to non-selected state
    #ob.select=False
        ob.select_set(False)
  #Get the specified object
    selectob = bpy.data.objects[arg_objectname]
  #Change the change object to be active
  #bpy.context.scene.objects.active = selectob
    bpy.context.view_layer.objects.active = selectob
  #Move to object mode
    bpy.ops.object.mode_set(mode='OBJECT', toggle=False)
    return
#Function execution example
set_mode_object('my bezier')
# ======== to EDIT mode, then OBJECT mode ===   END

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