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Fix glTF transformation

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This commit is contained in:
Thomas Krijnen
2020-04-03 16:21:16 +02:00
parent 47b2da6082
commit 5d21d26f24
1 changed files with 5 additions and 7 deletions
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src/serializers/GltfSerializer.cpp
+5 -7
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@@ -169,14 +169,12 @@ void GltfSerializer::write(const ifcopenshell::geometry::TriangulationElement* o
const double* m = o->transformation().data().components.data();
// @todo verify
// nb: note that this contains the Y-UP transform as well.
// nb: note that this applies the Y-UP transform.
const std::array<double, 16> matrix_flat = {
m[0], m[ 2], -m[ 1], 0,
m[3], m[ 5], -m[ 4], 0,
m[6], m[ 8], -m[ 7], 0,
m[9], m[11], -m[10], 1
m[ 0], m[ 2], -m[ 1], m[ 3],
m[ 4], m[ 6], -m[ 5], m[ 7],
m[ 8], m[10], -m[ 9], m[11],
m[12], m[14], -m[13], m[15]
};
static const std::array<double, 16> identity_matrix = {1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1};