拡散が ピンク電車の1倍

aaa   拡散が ピンク電車の1倍

flame x10 で　2000

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# Set the speed multiplier

vvv_velocity = 10 / 3.16227766017

# Set the speed multiplier

vvv_velocity = 10 / 1.41

(((-90)**2 + (30)**2))** 0.5

1/30 *( (90**2+30**2) **0.5)

flame 200 no 　ままで

VVV を　１０倍設定に

1/30 *( (90**2+30**2) **0.5)

1/3.16227766017

 -90 ,-30, 0

1/1.41   

-60,-30,0

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捨ての

end_frame = start_frame + 400
end_frame = start_frame + 200 修正　さらに

1/ (((((-90)**2 + (30)**2))** 0.5) / 30 )

3.16

0.31622776601

1/( ((((-60)**2 + (30)**2))** 0.5) / 30 )

0.4472135955

捨て

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import bpy

import math

# Create a sphere object

bpy.ops.mesh.primitive_uv_sphere_add(radius=2.0, location=(-90.0, 0.0, 0.0))

# Set start and end frames

start_frame = 1

end_frame = start_frame + 2000

# Define the start and end positions

start_pos = (-90.0, 0.0, 0.0)

end_pos = (0.0, -30.0, 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 = 10 / 3.16227766017

# Calculate the velocity required to move the sphere at a constant speed

velocity = distance / (end_frame - start_frame) * vvv_velocity

# Move the sphere 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)

# Stop the sphere from moving after reaching the end position

bpy.context.scene.frame_set(end_frame)

bpy.context.object.keyframe_insert(data_path="location", index=-1)

# Set the waiting period

wait_frames = 0

end_frame += wait_frames

# Set the current frame to the end_frame

current_frame = end_frame

# Keep the sphere 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 sphere's location

    bpy.context.scene.frame_set(current_frame)

    bpy.context.object.location = end_pos

    bpy.context.object.keyframe_insert(data_path="location", index=-1)

    

    # Stop the loop if current_frame reaches repeat_frames

    if current_frame == repeat_frames:

        break

# Add a camera and set its position

cam_data = bpy.data.cameras.new('Camera')

cam = bpy.data.objects.new('Camera', cam_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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単位速度1の　電車　先端

import bpy

import math

# Create a sphere object

bpy.ops.mesh.primitive_uv_sphere_add(radius=2.0, location=(-30.0, 0.0, 0.0))

# Set start and end frames

start_frame = 1

end_frame = start_frame + 2000

# Define the start and end positions

start_pos = (-30.0, 0.0, 0.0)

end_pos = (0.0, -30.0, 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 = 10 / 1.41

# Calculate the velocity required to move the sphere at a constant speed

velocity = distance / (end_frame - start_frame) * vvv_velocity

# Move the sphere 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)

# Stop the sphere from moving after reaching the end position

bpy.context.scene.frame_set(end_frame)

bpy.context.object.keyframe_insert(data_path="location", index=-1)

# Set the waiting period

wait_frames = 0

end_frame += wait_frames

# Set the current frame to the end_frame

current_frame = end_frame

# Keep the sphere 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 sphere's location

    bpy.context.scene.frame_set(current_frame)

    bpy.context.object.location = end_pos

    bpy.context.object.keyframe_insert(data_path="location", index=-1)

    

    # Stop the loop if current_frame reaches repeat_frames

    if current_frame == repeat_frames:

        break

# Add a camera and set its position

cam_data = bpy.data.cameras.new('Camera')

cam = bpy.data.objects.new('Camera', cam_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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