30 lines
802 B
C++
30 lines
802 B
C++
#ifndef IGL_SOLID_ANGLE_H
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#define IGL_SOLID_ANGLE_H
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#include "igl_inline.h"
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#include <Eigen/Dense>
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namespace igl
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{
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// Compute the signed solid angle subtended by the oriented 3d triangle (A,B,C) at some point P
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//
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// Inputs:
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// A 3D position of corner
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// B 3D position of corner
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// C 3D position of corner
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// P 3D position of query point
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// Returns signed solid angle
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template <
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typename DerivedA,
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typename DerivedB,
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typename DerivedC,
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typename DerivedP>
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IGL_INLINE typename DerivedA::Scalar solid_angle(
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const Eigen::MatrixBase<DerivedA> & A,
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const Eigen::MatrixBase<DerivedB> & B,
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const Eigen::MatrixBase<DerivedC> & C,
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const Eigen::MatrixBase<DerivedP> & P);
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}
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#ifndef IGL_STATIC_LIBRARY
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# include "solid_angle.cpp"
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#endif
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#endif
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