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Optimization of its_collect_mesh_projection_points_above(): Reserve points.

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This commit is contained in:
Vojtech Bubnik 2021-05-19 13:59:34 +02:00
parent e952aded78
commit 31942e03db
1 changed files with 1 additions and 0 deletions
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src/libslic3r/TriangleMesh.cpp
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@ -902,6 +902,7 @@ void its_shrink_to_fit(indexed_triangle_set &its)
template<typename TransformVertex> template<typename TransformVertex>
void its_collect_mesh_projection_points_above(const indexed_triangle_set &its, const TransformVertex &transform_fn, const float z, Points &all_pts) void its_collect_mesh_projection_points_above(const indexed_triangle_set &its, const TransformVertex &transform_fn, const float z, Points &all_pts)
{ {
all_pts.reserve(all_pts.size() + its.indices.size() * 3);
for (const stl_triangle_vertex_indices &tri : its.indices) { for (const stl_triangle_vertex_indices &tri : its.indices) {
const Vec3f pts[3] = { transform_fn(its.vertices[tri(0)]), transform_fn(its.vertices[tri(1)]), transform_fn(its.vertices[tri(2)]) }; const Vec3f pts[3] = { transform_fn(its.vertices[tri(0)]), transform_fn(its.vertices[tri(1)]), transform_fn(its.vertices[tri(2)]) };
int iprev = 3; int iprev = 3;