1.0.0 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 #ifndef GLM_ENABLE_EXPERIMENTAL
25 # error "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."
26 #elif GLM_MESSAGES == GLM_ENABLE && !defined(GLM_EXT_INCLUDED)
27 # pragma message("GLM: GLM_GTX_closest_point extension included")
28 #endif
29 
30 namespace glm
31 {
34 
38  template<typename genType>
39  GLM_FUNC_DECL bool intersectRayPlane(
40  genType const& orig, genType const& dir,
41  genType const& planeOrig, genType const& planeNormal,
42  typename genType::value_type & intersectionDistance);
43 
47  template<typename T, qualifier Q>
48  GLM_FUNC_DECL bool intersectRayTriangle(
49  vec<3, T, Q> const& orig, vec<3, T, Q> const& dir,
50  vec<3, T, Q> const& v0, vec<3, T, Q> const& v1, vec<3, T, Q> const& v2,
51  vec<2, T, Q>& baryPosition, T& distance);
52 
55  template<typename genType>
56  GLM_FUNC_DECL bool intersectLineTriangle(
57  genType const& orig, genType const& dir,
58  genType const& vert0, genType const& vert1, genType const& vert2,
59  genType & position);
60 
64  template<typename genType>
65  GLM_FUNC_DECL bool intersectRaySphere(
66  genType const& rayStarting, genType const& rayNormalizedDirection,
67  genType const& sphereCenter, typename genType::value_type const sphereRadiusSquared,
68  typename genType::value_type & intersectionDistance);
69 
72  template<typename genType>
73  GLM_FUNC_DECL bool intersectRaySphere(
74  genType const& rayStarting, genType const& rayNormalizedDirection,
75  genType const& sphereCenter, const typename genType::value_type sphereRadius,
76  genType & intersectionPosition, genType & intersectionNormal);
77 
80  template<typename genType>
81  GLM_FUNC_DECL bool intersectLineSphere(
82  genType const& point0, genType const& point1,
83  genType const& sphereCenter, typename genType::value_type sphereRadius,
84  genType & intersectionPosition1, genType & intersectionNormal1,
85  genType & intersectionPosition2 = genType(), genType & intersectionNormal2 = genType());
86 
88 }//namespace glm
89 
90 #include "intersect.inl"
glm::intersectRayPlane
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::intersectLineTriangle
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::intersectRaySphere
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::intersectLineSphere
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::intersectRayTriangle
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::distance
GLM_FUNC_DECL T distance(vec< L, T, Q > const &p0, vec< L, T, Q > const &p1)
Returns the distance between p0 and p1, i.e., length(p0 - p1).
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