2023年3月21日火曜日
円柱 回転 ３軸 骨格円柱
https://timeblender.blogspot.com/2023/03/blog-post_69.htmlx軸 回転する 円錐
import bpy
import math
# Create a cone
bpy.ops.mesh.primitive_cone_add(radius1=60.0, radius2=0.0, depth=240.0, location=(0.0, 0.0, 0.0))
cone = bpy.context.object
# Set rotation and location for the cone
cone.rotation_euler = (math.radians(90.0), 0.0, 0.0)
cone.location = (0.0, 0.0, 0.0)
# Rotate the cone around the x-axis
rot_angle = 0.0
rot_step = math.radians(5.0)
for i in range(72):
bpy.context.scene.frame_set(i+1)
rot_angle += rot_step
cone.rotation_euler = (rot_angle, 0.0, 0.0)
cone.keyframe_insert(data_path="rotation_euler", index=-1)
# Keep the cone rotated at the final position
bpy.context.scene.frame_set(73)
cone.keyframe_insert(data_path="rotation_euler", index=-1)
end_frame = 73
# Set the waiting period
wait_frames = 40
end_frame += wait_frames
# Set the current frame to the end_frame
current_frame = end_frame
# Keep the cone at the final position and repeat the rotation animation
repeat_frames = end_frame + 72
while True:
current_frame += 1
# Insert a keyframe at the current frame for the cone's rotation
bpy.context.scene.frame_set(current_frame)
rot_angle += rot_step
cone.rotation_euler = (rot_angle, 0.0, 0.0)
cone.keyframe_insert(data_path="rotation_euler", index=-1)
# Stop the loop if current_frame reaches repeat_frames
if current_frame == repeat_frames:
break
y軸方向 x軸回転の円錐
import bpy
import math
# Create a cone
bpy.ops.mesh.primitive_cone_add(radius1=0.0, radius2=60.0, depth=240.0, location=(0.0, 0.0, 0.0))
cone = bpy.context.object
# Set rotation and location for the cone
cone.rotation_euler = (math.radians(90.0), 0.0, 0.0) # Rotate 90 degrees around the x-axis
cone.location = (120.0, 0.0, 0.0) # Set the location of the base of the cone to (120, 0, 0)
# Set the name for the cone object
cone.name = "cone_y方向 x軸回転"
import bpy
import math
# Create a cone
bpy.ops.mesh.primitive_cone_add(radius1=0.0, radius2=60.0, depth=240.0, location=(0.0, 0.0, 0.0))
cone = bpy.context.object
# Set rotation and location for the cone
cone.rotation_euler = ( 0.0,math.radians(270.0), 0.0, ) # Rotate 270 degrees around the y-axis
cone.location = (0.0, 0.0, 0.0) # Set the location of the base of the cone to (0, 0, 0)
# Set the name for the cone object
cone.name = "３軸 cone_x方向 y軸回転"
動く円錐
import bpy
import math
# Create a cone
bpy.ops.mesh.primitive_cone_add(radius1=0.0, radius2=60.0, depth=240.0, location=(0.0, 0.0, 0.0))
cone = bpy.context.object
# Set rotation and location for the cone
cone.rotation_euler = ( 0.0,math.radians(270.0), 0.0, ) # Rotate 270 degrees around the y-axis
cone.location = (0.0, 0.0, 0.0) # Set the location of the base of the cone to (0, 0, 0)
# Set the name for the cone object
cone.name = "３軸 cone_x方向 y軸回転"
# Set start and end frames
start_frame = 1
end_frame = start_frame + 200
# Define the start and end positions
start_pos = (-300.0, 0.0, 0.0)
end_pos = (300.0, 0.0, 0.0)
# Calculate the distance between start_pos and end_pos
distance = abs(math.sqrt((end_pos[0]-start_pos[0])**2 + (end_pos[1]-start_pos[1])**2 + (end_pos[2]-start_pos[2])**2))
# Set the speed multiplier
vvv_velocity = 1.0
# Calculate the velocity required to move the cube at a constant speed
velocity = distance / (end_frame - start_frame) * vvv_velocity
# Move the cube from start_pos to end_pos at a constant speed
for i in range(start_frame, end_frame + 1):
bpy.context.scene.frame_set(i)
bpy.context.object.location = tuple(s + (e-s)*((i-start_frame)*velocity/distance) for s,e in zip(start_pos, end_pos))
bpy.context.object.keyframe_insert(data_path="location", index=-1)
bpy.context.object.keyframe_insert(data_path="scale", index=-1)
# Stop the cube from moving after reaching the end position
bpy.context.scene.frame_set(end_frame)
bpy.context.object.keyframe_insert(data_path="location", index=-1)
bpy.context.object.keyframe_insert(data_path="scale", index=-1)
# Set the waiting period
wait_frames = 40
end_frame += wait_frames
# Set the current frame to the end_frame
current_frame = end_frame
# Keep the cube at the end position and repeat the animation
repeat_frames = end_frame + 200
while True:
current_frame += 1
# Insert a keyframe at the current frame for the cube's location and scale
bpy.context.scene.frame_set(current_frame)
bpy.context.object.location = end_pos
bpy.context.object.keyframe_insert(data_path="location", index=-1)
bpy.context.object.keyframe_insert(data_path="scale", index=-1)
# Stop the loop if current_frame reaches repeat_frames
if current_frame == repeat_frames:
break
My_Camera = "３軸 cone_x方向 y軸回転"
# Create camera data
MyCam_data = bpy.data.cameras.new('My_Camera')
# Add a camera and set its position
cam = bpy.data.objects.new(My_Camera, MyCam_data)
bpy.context.scene.collection.objects.link(cam)
cam.location = (0.0, -30.0, 0.0)
# Add a track constraint to the camera to follow the sphere
track_constraint = cam.constraints.new(type='TRACK_TO')
track_constraint.target = bpy.context.object
track_constraint.track_axis
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