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https://github.com/SoftFever/OrcaSlicer.git
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2ae2672ee9
Fixing dep build script on Windows and removing some warnings. Use bundled igl by default. Not building with the dependency scripts if not explicitly stated. This way, it will stay in Fix the libigl patch to include C source files in header only mode.
46 lines
1.5 KiB
C++
46 lines
1.5 KiB
C++
// This file is part of libigl, a simple c++ geometry processing library.
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//
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// Copyright (C) 2016 Francisca Gil Ureta <gilureta@cs.nyu.edu>
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//
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// This Source Code Form is subject to the terms of the Mozilla Public License
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// v. 2.0. If a copy of the MPL was not distributed with this file, You can
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// obtain one at http://mozilla.org/MPL/2.0/.
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#ifndef IGL_SEGMENT_SEGMENT_INTERSECT_H
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#define IGL_SEGMENT_SEGMENT_INTERSECT_H
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#include "igl_inline.h"
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#include <Eigen/Core>
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namespace igl
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{
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// Determine whether two line segments A,B intersect
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// A: p + t*r : t \in [0,1]
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// B: q + u*s : u \in [0,1]
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// Inputs:
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// p 3-vector origin of segment A
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// r 3-vector direction of segment A
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// q 3-vector origin of segment B
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// s 3-vector direction of segment B
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// eps precision
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// Outputs:
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// t scalar point of intersection along segment A, t \in [0,1]
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// u scalar point of intersection along segment B, u \in [0,1]
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// Returns true if intersection
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template<typename DerivedSource, typename DerivedDir>
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IGL_INLINE bool segments_intersect(
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const Eigen::PlainObjectBase <DerivedSource> &p,
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const Eigen::PlainObjectBase <DerivedDir> &r,
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const Eigen::PlainObjectBase <DerivedSource> &q,
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const Eigen::PlainObjectBase <DerivedDir> &s,
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double &t,
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double &u,
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double eps = 1e-6
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);
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}
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#ifndef IGL_STATIC_LIBRARY
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# include "segment_segment_intersect.cpp"
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#endif
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#endif //IGL_SEGMENT_SEGMENT_INTERSECT_H
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