57 lines
1.8 KiB
C++
57 lines
1.8 KiB
C++
// Copyright (c) 2017 Computer Vision Center (CVC) at the Universitat Autonoma
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// de Barcelona (UAB).
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//
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// This work is licensed under the terms of the MIT license.
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// For a copy, see <https://opensource.org/licenses/MIT>.
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#include "carla/geom/Simplification.h"
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#include "simplify/Simplify.h"
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namespace carla {
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namespace geom {
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void Simplification::Simplificate(const std::unique_ptr<geom::Mesh>& pmesh){
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Simplify::SimplificationObject Simplification;
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for (carla::geom::Vector3D& current_vertex : pmesh->GetVertices()) {
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Simplify::Vertex v;
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v.p.x = current_vertex.x;
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v.p.y = current_vertex.y;
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v.p.z = current_vertex.z;
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Simplification.vertices.push_back(v);
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}
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for (size_t i = 0; i < pmesh->GetIndexes().size() - 2; i += 3) {
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Simplify::Triangle t;
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t.material = 0;
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auto indices = pmesh->GetIndexes();
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t.v[0] = (indices[i]) - 1;
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t.v[1] = (indices[i + 1]) - 1;
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t.v[2] = (indices[i + 2]) - 1;
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Simplification.triangles.push_back(t);
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}
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// Reduce to the X% of the polys
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float target_size = Simplification.triangles.size();
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Simplification.simplify_mesh((target_size * simplification_percentage));
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pmesh->GetVertices().clear();
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pmesh->GetIndexes().clear();
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for (Simplify::Vertex& current_vertex : Simplification.vertices) {
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carla::geom::Vector3D v;
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v.x = current_vertex.p.x;
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v.y = current_vertex.p.y;
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v.z = current_vertex.p.z;
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pmesh->AddVertex(v);
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}
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for (size_t i = 0; i < Simplification.triangles.size(); ++i) {
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pmesh->GetIndexes().push_back((Simplification.triangles[i].v[0]) + 1);
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pmesh->GetIndexes().push_back((Simplification.triangles[i].v[1]) + 1);
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pmesh->GetIndexes().push_back((Simplification.triangles[i].v[2]) + 1);
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}
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}
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} // namespace geom
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} // namespace carla
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