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44 lines
1.5 KiB
C++
44 lines
1.5 KiB
C++
// Copyright 2016 The Draco Authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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// This file contains misc functions that are needed by several mesh related
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// algorithms.
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#ifndef DRACO_MESH_MESH_MISC_FUNCTIONS_H_
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#define DRACO_MESH_MESH_MISC_FUNCTIONS_H_
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#include "mesh/corner_table.h"
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#include "mesh/mesh.h"
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namespace draco {
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// Creates a CornerTable from |*mesh|. Returns nullptr on error.
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std::unique_ptr<CornerTable> CreateCornerTable(const Mesh *mesh);
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// Returns the point id stored on corner |ci|.
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PointIndex CornerToPointId(CornerIndex ci, const CornerTable *ct,
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const Mesh *mesh);
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// Returns the point id stored on corner |c|.
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PointIndex CornerToPointId(int c, const CornerTable *ct, const Mesh *mesh);
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// Returns the point id of |c| without using a corner table.
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inline PointIndex CornerToPointId(int c, const Mesh *mesh) {
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return mesh->face(FaceIndex(c / 3))[c % 3];
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}
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} // namespace draco
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#endif // DRACO_MESH_MESH_MISC_FUNCTIONS_H_
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