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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.
80 lines
2.5 KiB
C++
80 lines
2.5 KiB
C++
// This file is part of libigl, a simple c++ geometry processing library.
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//
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// Copyright (C) 2015 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_AMBIENT_OCCLUSION_H
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#define IGL_AMBIENT_OCCLUSION_H
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#include "igl_inline.h"
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#include "AABB.h"
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#include <Eigen/Core>
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#include <functional>
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namespace igl
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{
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// Compute ambient occlusion per given point
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//
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// Inputs:
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// shoot_ray function handle that outputs hits of a given ray against a
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// mesh (embedded in function handles as captured variable/data)
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// P #P by 3 list of origin points
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// N #P by 3 list of origin normals
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// Outputs:
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// S #P list of ambient occlusion values between 1 (fully occluded) and
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// 0 (not occluded)
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//
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template <
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typename DerivedP,
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typename DerivedN,
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typename DerivedS >
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IGL_INLINE void ambient_occlusion(
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const std::function<
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bool(
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const Eigen::Vector3f&,
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const Eigen::Vector3f&)
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> & shoot_ray,
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const Eigen::PlainObjectBase<DerivedP> & P,
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const Eigen::PlainObjectBase<DerivedN> & N,
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const int num_samples,
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Eigen::PlainObjectBase<DerivedS> & S);
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// Inputs:
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// AABB axis-aligned bounding box hierarchy around (V,F)
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template <
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typename DerivedV,
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int DIM,
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typename DerivedF,
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typename DerivedP,
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typename DerivedN,
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typename DerivedS >
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IGL_INLINE void ambient_occlusion(
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const igl::AABB<DerivedV,DIM> & aabb,
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const Eigen::PlainObjectBase<DerivedV> & V,
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const Eigen::PlainObjectBase<DerivedF> & F,
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const Eigen::PlainObjectBase<DerivedP> & P,
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const Eigen::PlainObjectBase<DerivedN> & N,
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const int num_samples,
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Eigen::PlainObjectBase<DerivedS> & S);
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// Inputs:
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// V #V by 3 list of mesh vertex positions
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// F #F by 3 list of mesh face indices into V
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template <
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typename DerivedV,
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typename DerivedF,
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typename DerivedP,
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typename DerivedN,
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typename DerivedS >
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IGL_INLINE void ambient_occlusion(
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const Eigen::PlainObjectBase<DerivedV> & V,
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const Eigen::PlainObjectBase<DerivedF> & F,
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const Eigen::PlainObjectBase<DerivedP> & P,
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const Eigen::PlainObjectBase<DerivedN> & N,
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const int num_samples,
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Eigen::PlainObjectBase<DerivedS> & S);
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};
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#ifndef IGL_STATIC_LIBRARY
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# include "ambient_occlusion.cpp"
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#endif
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#endif
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