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Trimesh now recalculates aabb on rescale #327

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Trimesh now recalculates aabb on rescale #327

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764d9b3
Trimesh now recalculates aabb
royalmustard Apr 20, 2020
2339693
cargo fmt
Apr 20, 2020
c2c619b
Merge remote-tracking branch 'upstream/master'
royalmustard Jun 13, 2020
4a8d401
Merge remote-tracking branch 'upstream/master'
royalmustard Jul 28, 2020
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18 changes: 18 additions & 0 deletions src/shape/trimesh.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -378,6 +378,24 @@ impl<N: RealField> TriMesh<N> {
for pt in &mut self.points {
pt.coords.component_mul_assign(scale)
}
//Recalculate aabb, method taken from constructor
let mut leaves = Vec::with_capacity(self.faces.len());
for (i, face) in self.faces.iter().enumerate() {
let triangle = Triangle::new(
self.points[face.indices[0]],
self.points[face.indices[1]],
self.points[face.indices[2]],
);
let bv = triangle.local_aabb();
leaves.push((i, bv.clone()));
}
self.bvt = BVT::new_balanced(leaves);

//don't know if neccessary here
// Set face.bvt_leaf
for (i, leaf) in self.bvt.leaves().iter().enumerate() {
self.faces[*leaf.data()].bvt_leaf = i;
}
}

/// Applies a non-uniform scale to this triangle mesh.
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