TriangleMesh Class Reference

ray-tracable representaion of a mesh TriangleMesh encapsulates a kd-tree containing triangles. It can be constructed using the vertex and index buffers of a mesh. Ray-intersection and random surface sampling are supported. More...

Inherits Intersectable.

List of all members.

Public Member Functions
float	getSurfaceArea ()
	return total surface area
void	sampleSurface (Radion &radion)
	return random surface radion
bool	intersect (const Ray &ray, float &depth, float rayMin, float rayMax)
	pure virtual function, must be implemented to carry out the intersection test
	TriangleMesh (Material *material, unsigned short *indexBuffer, unsigned int nFaces, D3DVERTEX *vertexBuffer, unsigned int nVertices)
	constructor to build a TriangleMesh from mesh buffers. Vertex format has to be per struct D3DVERTEX.
Private Member Functions
void	buildAreaTree ()
	build area tree from root
double	buildAreaTree (unsigned int u)
	build area tree from given node (recursively)
void	sampleSurface (unsigned int u, double rnd, Radion &radion)
	return random surface radion from area subtree under node u (recursive)
Private Attributes
TriangleMesh::Patch *	meshPatches
	A triangle with ray-intersection. mesh triangles array.
unsigned int	nMeshPatches
	number of mesh triangles
unsigned int	nAreaTreeNodes
	number of nodes in area tree (for selection ~ area)
double	surfaceArea
	total surface
double *	areaTree
	area tree nodes array
Classes
class	Patch
	A triangle with ray-intersection. More...

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Detailed Description

ray-tracable representaion of a mesh TriangleMesh encapsulates a kd-tree containing triangles. It can be constructed using the vertex and index buffers of a mesh. Ray-intersection and random surface sampling are supported.

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The documentation for this class was generated from the following files:

• TriangleMesh.h
• TriangleMesh.cpp

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