From 31942e03db4a6cd9df6462d4184dbb5fb581c908 Mon Sep 17 00:00:00 2001 From: Vojtech Bubnik Date: Wed, 19 May 2021 13:59:34 +0200 Subject: [PATCH] Optimization of its_collect_mesh_projection_points_above(): Reserve points. --- src/libslic3r/TriangleMesh.cpp | 1 + 1 file changed, 1 insertion(+) diff --git a/src/libslic3r/TriangleMesh.cpp b/src/libslic3r/TriangleMesh.cpp index 8487e43cbd..5e18e43ef6 100644 --- a/src/libslic3r/TriangleMesh.cpp +++ b/src/libslic3r/TriangleMesh.cpp @@ -902,6 +902,7 @@ void its_shrink_to_fit(indexed_triangle_set &its) template 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) { 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;