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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
1.3 KiB
C++
46 lines
1.3 KiB
C++
// This file is part of libigl, a simple c++ geometry processing library.
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//
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// Copyright (C) 2013 Alec Jacobson <alecjacobson@gmail.com>
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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_RAY_SPHERE_INTERSECT_H
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#define IGL_RAY_SPHERE_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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// Compute the intersection between a ray from O in direction D and a sphere
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// centered at C with radius r
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//
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// Inputs:
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// o origin of ray
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// d direction of ray
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// c center of sphere
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// r radius of sphere
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// Outputs:
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// t0 parameterization of first hit (set only if exists) so that hit
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// position = o + t0*d
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// t1 parameterization of second hit (set only if exists)
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//
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// Returns the number of hits
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template <
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typename Derivedo,
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typename Derivedd,
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typename Derivedc,
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typename r_type,
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typename t_type>
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IGL_INLINE int ray_sphere_intersect(
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const Eigen::PlainObjectBase<Derivedo> & o,
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const Eigen::PlainObjectBase<Derivedd> & d,
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const Eigen::PlainObjectBase<Derivedc> & c,
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r_type r,
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t_type & t0,
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t_type & t1);
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}
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#ifndef IGL_STATIC_LIBRARY
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#include "ray_sphere_intersect.cpp"
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#endif
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#endif
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