Template Class BVHRaycaster

• Defined in File BVHRaycaster.hpp

Nested Relationships

Nested Types

• Struct BVHRaycaster::Ray

• Struct BVHRaycaster::TriangleIntersectionResult

Inheritance Relationships

Base Type

• public lvr2::RaycasterBase< IntT > (Template Class RaycasterBase)

Class Documentation

template<typename IntT>
class BVHRaycaster : public lvr2::RaycasterBase<IntT>

BVHRaycaster: CPU version of BVH Raycasting: WIP.

Public Functions

BVHRaycaster(const MeshBufferPtr mesh, unsigned int stack_size)

Constructor: Stores mesh as member.

BVHRaycaster(const MeshBufferPtr mesh)

virtual bool castRay(const Vector3f &origin, const Vector3f &direction, IntT &intersection)

Cast a single ray onto the mesh.

Parameters:

• origin – [in] Ray origin

• direction – [in] Ray direction

• intersection – [out] User defined intersection output

Returns:

true Intersection found

Returns:

false Not intersection found

Protected Functions

inline Vector3f barycentric(const Vector3f &p, const Vector3f &a, const Vector3f &b, const Vector3f &c) const

Protected Attributes

BVHTree<BaseVector<float>> m_bvh

indexArray m_faces

floatArr m_vertices

const unsigned int *m_BVHindicesOrTriLists

const float *m_BVHlimits

const float *m_TriangleIntersectionData

const unsigned int *m_TriIdxList

const unsigned int m_stack_size

struct Ray

Data type to store information about a ray.

Public Members

Vector3f dir

Vector3f invDir

Vector3i rayDirSign

struct TriangleIntersectionResult

A struct to return the calculation results of a triangle intersection.

Public Members

bool hit

unsigned int pBestTriId

Vector3f pointHit

float hitDist