GLM_GTX_intersect

Functions
template<typename genType >
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())
template<typename genType >
GLM_FUNC_DECL bool	intersectLineTriangle (genType const &orig, genType const &dir, genType const &vert0, genType const &vert1, genType const &vert2, genType &position)
template<typename genType >
GLM_FUNC_DECL bool	intersectRayPlane (genType const &orig, genType const &dir, genType const &planeOrig, genType const &planeNormal, typename genType::value_type &intersectionDistance)
template<typename genType >
GLM_FUNC_DECL bool	intersectRaySphere (genType const &rayStarting, genType const &rayNormalizedDirection, genType const &sphereCenter, typename genType::value_type const sphereRadiusSquered, typename genType::value_type &intersectionDistance)
template<typename genType >
GLM_FUNC_DECL bool	intersectRaySphere (genType const &rayStarting, genType const &rayNormalizedDirection, genType const &sphereCenter, const typename genType::value_type sphereRadius, genType &intersectionPosition, genType &intersectionNormal)
template<typename T , qualifier Q>
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)

Detailed Description

Include <glm/gtx/intersect.hpp> to use the features of this extension.

Add intersection functions

Function Documentation

intersectLineSphere()

GLM_FUNC_DECL bool glm::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.

From GLM_GTX_intersect extension

intersectLineTriangle()

GLM_FUNC_DECL bool glm::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.

From GLM_GTX_intersect extension.

intersectRayPlane()

GLM_FUNC_DECL bool glm::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.

Ray direction and plane normal must be unit length. From GLM_GTX_intersect extension.

intersectRaySphere() [1/2]

GLM_FUNC_DECL bool glm::intersectRaySphere	(	genType const &	rayStarting,
		genType const &	rayNormalizedDirection,
		genType const &	sphereCenter,
		typename genType::value_type const	sphereRadiusSquered,
		typename genType::value_type &	intersectionDistance
	)

Compute the intersection distance of a ray and a sphere.

The ray direction vector is unit length. From GLM_GTX_intersect extension.

intersectRaySphere() [2/2]

GLM_FUNC_DECL bool glm::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.

From GLM_GTX_intersect extension.

intersectRayTriangle()

GLM_FUNC_DECL bool glm::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.

Based om Tomas Möller implementation http://fileadmin.cs.lth.se/cs/Personal/Tomas_Akenine-Moller/raytri/ From GLM_GTX_intersect extension.