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avoid recalculating normals for simple move

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Summary: If offset_verts_ is used to move meshes with a single vector, the normals won't change so don't need to recalculate. I am planning to allow user-specified vertex normals. This change means that user-specified vertex normals won't get overwritten when they don't need to be.

Reviewed By: nikhilaravi

Differential Revision: D27765256

fbshipit-source-id: f6e4d308ac9ac023030325cb75a18d39b966cf88
This commit is contained in:
Jeremy Reizenstein
2021-05-04 05:35:24 -07:00
committed by Facebook GitHub Bot
parent 17633808d8
commit 502f15aca7
2 changed files with 12 additions and 4 deletions
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9
tests/test_meshes.py
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@@ -486,6 +486,7 @@ class TestMeshes(TestCaseMixin, unittest.TestCase):
self.assertClose(
new_mesh.verts_normals_list()[i],
new_mesh_naive.verts_normals_list()[i],
atol=1e-6,
)
self.assertClose(
new_mesh.faces_normals_list()[i],
@@ -533,10 +534,14 @@ class TestMeshes(TestCaseMixin, unittest.TestCase):
# check face areas, normals and vertex normals
self.assertClose(
new_mesh.verts_normals_packed(), new_mesh_naive.verts_normals_packed()
new_mesh.verts_normals_packed(),
new_mesh_naive.verts_normals_packed(),
atol=1e-6,
)
self.assertClose(
new_mesh.verts_normals_padded(), new_mesh_naive.verts_normals_padded()
new_mesh.verts_normals_padded(),
new_mesh_naive.verts_normals_padded(),
atol=1e-6,
)
self.assertClose(
new_mesh.faces_normals_packed(), new_mesh_naive.faces_normals_packed()