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import bpy, numpy
from mathutils import *
radius = 150
n_samples = 30
bpy.ops.import_scene.obj(filepath="./woman.obj") # the 4 different meshes that make up woman.obj will be selected but not active
bpy.context.scene.objects.active = bpy.data.objects[0] # join requires there to be a selected object, not just active
bpy.ops.object.join()
bpy.data.objects[0].name = 'woman' #17,938 vertices
bpy.ops.object.modifier_add(type="DECIMATE")
bpy.data.objects['woman'].modifiers['Decimate'].ratio = 0.1 #2,264 vertices
bpy.ops.import_scene.obj(filepath="./man.obj") # now the meshes that make the man are selected, but not active
bpy.context.scene.objects.active = bpy.data.objects[0] # bpy.data.objects is sorted alphabetically all the time! So after renaming previous import to 'woman', objects[0] is part of the new import
bpy.ops.object.join()
bpy.data.objects[0].name = 'man'
bpy.ops.object.modifier_add(type="DECIMATE")
bpy.data.objects['man'].modifiers['Decimate'].ratio = 0.1
# 'man' is both selected and active, we can duplicate as much as we want
for man in range(n_samples // 2): # integer division //, range doesn't take floats
bpy.ops.object.duplicate_move()
bpy.context.active_object.select = False # deselect the object that was just created so we don't duplicate everything each time
bpy.context.scene.objects.active = bpy.data.objects['man'] # join requires there to be a selected object, not just active
bpy.data.objects['man'].select = True
# select the woman and duplicate
bpy.data.objects['man'].select = False
bpy.context.scene.objects.active = bpy.data.objects['woman']
bpy.data.objects['woman'].select = True
for woman in range(n_samples // 2): # integer division //, range doesn't take floats
bpy.ops.object.duplicate_move()
bpy.context.active_object.select = False # deselect the object that was just created so we don't duplicate everything each time
bpy.context.scene.objects.active = bpy.data.objects['woman'] # join requires there to be a selected object, not just active
bpy.data.objects['woman'].select = True
samples = numpy.random.multivariate_normal([-0.5, -0.5], [[radius, 0],[0, radius]], n_samples)
for xy in range(len(samples)):
xyz = tuple(samples[xy]) + (0,) # convert array to tuple, append tuple for z coordinate 0, result is 3-tuple
bpy.data.objects[xy].location = xyz
allObjects = list(bpy.data.objects) # turn the bpy collection into a list so we can shuffle it
numpy.random.shuffle(allObjects) #shuffle the items in place
for blues in range(5):
thisFigurine = allObjects[blues]
thisFigurine.keyframe_insert('location',frame=0)
thisFigurine.location = Vector(((-blues * 6) - 10,0,35))
thisFigurine.keyframe_insert('location',frame=125)
for reds in range(5,10):
thisFigurine = allObjects[reds]
thisFigurine.keyframe_insert('location',frame=125)
thisFigurine.location = Vector((((reds - 4) * 6) + 10,0,35))
thisFigurine.keyframe_insert('location',frame=250)
bpy.ops.wm.save_as_mainfile(filepath="./30menandwomen.blend")
bpy.ops.export_scene.fbx(filepath="./30menandwomen.fbx",
object_types={'MESH'},
bake_anim_use_nla_strips=False,
bake_anim_use_all_actions=False)
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