69 lines
1.8 KiB
Python
69 lines
1.8 KiB
Python
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import bpy
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import sys
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import os
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import argparse
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glb_input = "trellis_out/sample.ply"
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obj_output = "obj_output/sample.obj"
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def parse_args():
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argv = sys.argv
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argv = argv[argv.index("--") + 1:] if "--" in argv else []
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p = argparse.ArgumentParser()
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p.add_argument("-i", "--input", default=True)
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p.add_argument("-o", "--output", required=True)
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return p.parse_args(argv)
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def clean():
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bpy.ops.object.select_all(action='SELECT')
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bpy.ops.object.delete(use_global=False)
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def main():
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args = parse_args()
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clean()
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bpy.ops.import_scene.gltf(filepath=args.input) # 支持 .glb/.gltf
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# 只保留 mesh，并合并成一个（符合你“单资产”假设）
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meshes = [o for o in bpy.context.scene.objects if o.type == "MESH"]
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if not meshes:
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raise RuntimeError("No mesh objects found in GLB/GLTF.")
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bpy.ops.object.select_all(action='DESELECT')
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for o in meshes:
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o.select_set(True)
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bpy.context.view_layer.objects.active = meshes[0]
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if len(meshes) > 1:
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bpy.ops.object.join()
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obj = bpy.context.view_layer.objects.active
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obj.select_set(True)
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out_dir = os.path.dirname(args.output)
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if out_dir:
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os.makedirs(out_dir, exist_ok=True)
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# bpy.ops.wm.obj_export(
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# filepath=args.output,
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# export_selected_objects=True,
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# export_normals=True,
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# export_uv=True,
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# )
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bpy.ops.export_scene.obj(
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filepath=args.output,
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use_selection=True, # 只导出选中的对象
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use_normals=True,
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use_uvs=True,
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use_materials=True, # 根据需要改（你原来没导出材质）
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axis_forward='-Z', # glTF 通常是 -Z forward，Y up，可根据需要调整
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axis_up='Y',
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# keep_vertex_order=True, # 可选：保持顶点顺序
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)
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if __name__ == "__main__":
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main()
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