63 lines
1.8 KiB
C++
63 lines
1.8 KiB
C++
// Copyright 2021 The Manifold 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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#pragma once
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#include "manifold/common.h"
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namespace manifold {
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/** @addtogroup Structs
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* @{
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*/
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/**
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* @brief Polygon vertex.
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*/
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struct PolyVert {
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/// X-Y position
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vec2 pos;
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/// ID or index into another vertex vector
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int idx;
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};
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/**
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* @brief Single polygon contour, wound CCW, with indices. First and last point
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* are implicitly connected. Should ensure all input is
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* [ε-valid](https://github.com/elalish/manifold/wiki/Manifold-Library#definition-of-%CE%B5-valid).
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*/
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using SimplePolygonIdx = std::vector<PolyVert>;
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/**
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* @brief Set of indexed polygons with holes. Order of contours is arbitrary.
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* Can contain any depth of nested holes and any number of separate polygons.
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* Should ensure all input is
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* [ε-valid](https://github.com/elalish/manifold/wiki/Manifold-Library#definition-of-%CE%B5-valid).
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*/
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using PolygonsIdx = std::vector<SimplePolygonIdx>;
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/** @} */
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/** @addtogroup Triangulation
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* @ingroup Core
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* @brief Polygon triangulation
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* @{
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*/
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std::vector<ivec3> TriangulateIdx(const PolygonsIdx &polys,
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double epsilon = -1);
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std::vector<ivec3> Triangulate(const Polygons &polygons, double epsilon = -1);
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ExecutionParams &PolygonParams();
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/** @} */
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} // namespace manifold
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