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Add guards

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This commit is contained in:
kijai 2026-05-10 16:19:07 +03:00
parent e6d551cc73
commit aaee77df7c
1 changed files with 19 additions and 1 deletions
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20
comfy_extras/nodes_save_3d.py
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@ -100,11 +100,29 @@ def save_glb(vertices, faces, filepath, metadata=None,
# Convert tensors to numpy arrays
vertices_np = vertices.cpu().numpy().astype(np.float32)
faces_np = faces.cpu().numpy().astype(np.uint32)
faces_signed = faces.cpu().numpy().astype(np.int64)
uvs_np = uvs.cpu().numpy().astype(np.float32) if uvs is not None else None
colors_np = vertex_colors.cpu().numpy().astype(np.float32) if vertex_colors is not None else None
if colors_np is not None:
colors_np = np.clip(colors_np, 0.0, 1.0)
n_verts = vertices_np.shape[0]
if faces_signed.size > 0:
fmin = int(faces_signed.min())
fmax = int(faces_signed.max())
if fmin < 0 or fmax >= n_verts:
raise ValueError(
f"save_glb: face index out of range [0, {n_verts}): min={fmin}, max={fmax}"
)
if uvs_np is not None and uvs_np.shape[0] != n_verts:
raise ValueError(
f"save_glb: uvs has {uvs_np.shape[0]} entries but vertex count is {n_verts}"
)
if colors_np is not None and colors_np.shape[0] != n_verts:
raise ValueError(
f"save_glb: vertex_colors has {colors_np.shape[0]} entries but vertex count is {n_verts}"
)
faces_np = faces_signed.astype(np.uint32)
texture_png_bytes = None
if texture_image is not None:
import io as _io