chore:模型调整

tools/compare_new_model_scale.py

@@ -0,0 +1,51 @@
+"""Compare dimensions of new GLB assets with matching project FBX assets."""
+
+from pathlib import Path
+import csv
+import bpy
+from mathutils import Vector
+
+
+PROJECT = Path(__file__).resolve().parent.parent
+ASSET_ROOT = PROJECT / "docs" / "asset"
+NEW_ROOT = next(path for path in ASSET_ROOT.iterdir() if path.is_dir() and any(path.rglob("*.glb")))
+REFERENCE_ROOT = PROJECT / "assets" / "Models"
+OUTPUT = PROJECT / "tools" / "new_model_scale_comparison.csv"
+
+
+def clear_scene():
+    bpy.ops.object.select_all(action="SELECT")
+    bpy.ops.object.delete(use_global=False)
+
+
+def dimensions(path: Path, extension: str):
+    clear_scene()
+    if extension == ".glb":
+        bpy.ops.import_scene.gltf(filepath=str(path))
+    else:
+        bpy.ops.import_scene.fbx(filepath=str(path))
+    points = []
+    for obj in bpy.context.scene.objects:
+        if obj.type == "MESH":
+            points.extend(obj.matrix_world @ Vector(corner) for corner in obj.bound_box)
+    low = [min(point[i] for point in points) for i in range(3)]
+    high = [max(point[i] for point in points) for i in range(3)]
+    return tuple(round(high[i] - low[i], 5) for i in range(3))
+
+
+references = {path.stem: path for path in REFERENCE_ROOT.rglob("*.fbx")}
+rows = []
+for glb in sorted(NEW_ROOT.rglob("*.glb")):
+    reference = references.get(glb.stem)
+    if reference is None:
+        continue
+    glb_size = dimensions(glb, ".glb")
+    fbx_size = dimensions(reference, ".fbx")
+    ratios = [fbx_size[i] / glb_size[i] for i in range(3) if glb_size[i] > 0 and fbx_size[i] > 0]
+    rows.append((glb.stem, *glb_size, *fbx_size, round(sum(ratios) / len(ratios), 5)))
+
+with OUTPUT.open("w", newline="", encoding="utf-8-sig") as file:
+    writer = csv.writer(file)
+    writer.writerow(("model", "glb_x", "glb_y", "glb_z", "project_fbx_x", "project_fbx_y", "project_fbx_z", "project_to_new_ratio"))
+    writer.writerows(rows)
+print(f"Wrote {len(rows)} comparisons to {OUTPUT}")