0.9.9 API documentation
intersect.hpp
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1 
14 #pragma once
15 
16 // Dependency:
17 #include <cfloat>
18 #include <limits>
19 #include "../glm.hpp"
20 #include "../geometric.hpp"
21 #include "../gtx/closest_point.hpp"
22 #include "../gtx/vector_query.hpp"
23 
24 #if GLM_MESSAGES == GLM_ENABLE && !defined(GLM_EXT_INCLUDED)
25 # ifndef GLM_ENABLE_EXPERIMENTAL
26 # pragma message("GLM: GLM_GTX_closest_point is an experimental extension and may change in the future. Use #define GLM_ENABLE_EXPERIMENTAL before including it, if you really want to use it.")
27 # else
28 # pragma message("GLM: GLM_GTX_closest_point extension included")
29 # endif
30 #endif
31 
32 namespace glm
33 {
36 
40  template<typename genType>
41  GLM_FUNC_DECL bool intersectRayPlane(
42  genType const& orig, genType const& dir,
43  genType const& planeOrig, genType const& planeNormal,
44  typename genType::value_type & intersectionDistance);
45 
49  template<typename T, qualifier Q>
50  GLM_FUNC_DECL bool intersectRayTriangle(
51  vec<3, T, Q> const& orig, vec<3, T, Q> const& dir,
52  vec<3, T, Q> const& v0, vec<3, T, Q> const& v1, vec<3, T, Q> const& v2,
53  vec<2, T, Q>& baryPosition, T& distance);
54 
57  template<typename genType>
58  GLM_FUNC_DECL bool intersectLineTriangle(
59  genType const& orig, genType const& dir,
60  genType const& vert0, genType const& vert1, genType const& vert2,
61  genType & position);
62 
66  template<typename genType>
67  GLM_FUNC_DECL bool intersectRaySphere(
68  genType const& rayStarting, genType const& rayNormalizedDirection,
69  genType const& sphereCenter, typename genType::value_type const sphereRadiusSquared,
70  typename genType::value_type & intersectionDistance);
71 
74  template<typename genType>
75  GLM_FUNC_DECL bool intersectRaySphere(
76  genType const& rayStarting, genType const& rayNormalizedDirection,
77  genType const& sphereCenter, const typename genType::value_type sphereRadius,
78  genType & intersectionPosition, genType & intersectionNormal);
79 
82  template<typename genType>
83  GLM_FUNC_DECL bool intersectLineSphere(
84  genType const& point0, genType const& point1,
85  genType const& sphereCenter, typename genType::value_type sphereRadius,
86  genType & intersectionPosition1, genType & intersectionNormal1,
87  genType & intersectionPosition2 = genType(), genType & intersectionNormal2 = genType());
88 
90 }//namespace glm
91 
92 #include "intersect.inl"
GLM_FUNC_DECL bool intersectRayTriangle(vec< 3, T, Q > const &orig, vec< 3, T, Q > const &dir, vec< 3, T, Q > const &v0, vec< 3, T, Q > const &v1, vec< 3, T, Q > const &v2, vec< 2, T, Q > &baryPosition, T &distance)
Compute the intersection of a ray and a triangle.
GLM_FUNC_DECL bool intersectRaySphere(genType const &rayStarting, genType const &rayNormalizedDirection, genType const &sphereCenter, const typename genType::value_type sphereRadius, genType &intersectionPosition, genType &intersectionNormal)
Compute the intersection of a ray and a sphere.
GLM_FUNC_DECL bool intersectRayPlane(genType const &orig, genType const &dir, genType const &planeOrig, genType const &planeNormal, typename genType::value_type &intersectionDistance)
Compute the intersection of a ray and a plane.
GLM_FUNC_DECL bool intersectLineTriangle(genType const &orig, genType const &dir, genType const &vert0, genType const &vert1, genType const &vert2, genType &position)
Compute the intersection of a line and a triangle.
GLM_FUNC_DECL bool intersectLineSphere(genType const &point0, genType const &point1, genType const &sphereCenter, typename genType::value_type sphereRadius, genType &intersectionPosition1, genType &intersectionNormal1, genType &intersectionPosition2=genType(), genType &intersectionNormal2=genType())
Compute the intersection of a line and a sphere.
GLM_FUNC_DECL T distance(vec< L, T, Q > const &p0, vec< L, T, Q > const &p1)
Returns the distance betwwen p0 and p1, i.e., length(p0 - p1).
Definition: common.hpp:20