forked from OpeningDesign/Bonsai_Tutorials
82 lines
2.8 KiB
Python
82 lines
2.8 KiB
Python
import bpy
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import os
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from natsort import natsorted
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# ========== USER SETTINGS ==========
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blend_folder = r"D:\Dropbox\Gitea_OD\Bonsai_Tutorials\_Model"
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frames_per_stage = 5
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start_frame = 1
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# ===================================
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scene = bpy.context.scene
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scene.frame_start = start_frame
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skip_names = {"House.blend", "House - Copy.blend"}
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blend_files = natsorted(
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f for f in os.listdir(blend_folder)
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if f.lower().endswith(".blend") and f.lower() not in {name.lower() for name in skip_names}
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)
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total_files = len(blend_files)
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collection_instances = []
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for idx, blend_name in enumerate(reversed(blend_files)):
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i = total_files - idx - 1 # Reverse index for frame calculation
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blend_path = os.path.join(blend_folder, blend_name)
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print(f"Linking {blend_name}...")
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# Load only the collection named "IfcProject/My Project"
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with bpy.data.libraries.load(blend_path, link=True) as (data_from, data_to):
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if "IfcProject/My Project" in data_from.collections:
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data_to.collections = ["IfcProject/My Project"]
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else:
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print(f"❌ 'IfcProject/My Project' collection not found in {blend_name}")
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continue
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if not data_to.collections:
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continue
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linked_col = data_to.collections[0]
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# Link collection to the scene collection if not already linked
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if linked_col.name not in [c.name for c in scene.collection.children]:
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scene.collection.children.link(linked_col)
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# Create a collection instance object for the linked collection
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inst_name = f"{blend_name} - IfcProject/My Project"
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inst = bpy.data.objects.new(inst_name, None)
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inst.instance_type = 'COLLECTION'
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inst.instance_collection = linked_col
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bpy.context.collection.objects.link(inst)
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collection_instances.append((inst, i))
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# Now animate visibility so only one is visible at a time
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for inst, i in collection_instances:
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frame_show = start_frame + i * frames_per_stage
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frame_hide = frame_show + frames_per_stage
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# Before show frame: hidden
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inst.hide_render = True
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inst.hide_viewport = True
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inst.keyframe_insert(data_path="hide_render", frame=frame_show - 1)
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inst.keyframe_insert(data_path="hide_viewport", frame=frame_show - 1)
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# Show during frame_show to frame_hide - 1
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inst.hide_render = False
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inst.hide_viewport = False
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inst.keyframe_insert(data_path="hide_render", frame=frame_show)
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inst.keyframe_insert(data_path="hide_viewport", frame=frame_show)
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# After frame_hide: hidden
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inst.hide_render = True
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inst.hide_viewport = True
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inst.keyframe_insert(data_path="hide_render", frame=frame_hide)
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inst.keyframe_insert(data_path="hide_viewport", frame=frame_hide)
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# Set total frame range for animation
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scene.frame_end = start_frame + frames_per_stage * total_files
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print("✅ Master time-lapse setup complete.")
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