FW::LeafNode Class Reference

BVH leaf node. More...

#include <BVHNode.hpp>

Inherits FW::BVHNode.

Public Member Functions
	LeafNode (const AABB &bounds, int lo, int hi)
	Constructor. More...
	LeafNode (const LeafNode &s)
	Copy constructor. More...
bool	isLeaf () const
S32	getNumChildNodes () const
BVHNode *	getChildNode (S32) const
	Returns one of the node's child nodes. More...
S32	getNumTriangles () const
Public Member Functions inherited from FW::BVHNode
	BVHNode ()
	Constructor. More...
float	getArea () const
int	getSubtreeSize (BVH_STAT stat=BVH_STAT_NODE_COUNT) const
	Calculates various information about the node's subtree. More...
void	computeSubtreeProbabilities (const Platform &p, float parentProbability, float &sah)
	Calculates node's subtree probabilities and also sah price. More...
float	computeSubtreeSAHCost (const Platform &p) const
	Calculates subtree SAH cost. Requires calculated probabilities. More...
void	deleteSubtree ()
	Deletes node's subtree. More...
void	assignIndicesDepthFirst (S32 index=0, bool includeLeafNodes=true)
	Assigns node's sbutree indices in depth first order. More...
void	assignIndicesBreadthFirst (S32 index=0, bool includeLeafNodes=true)
	Assigns node's subtree indices in breadth first order. More...

Public Attributes
S32	m_lo
	Lower index to the BVH's triangle index array. More...
S32	m_hi
	Higher index to the BVH's triangle index array. More...
Public Attributes inherited from FW::BVHNode
AABB	m_bounds
	Bounding box of the node. More...
float	m_probability
	Probability of coming here (widebvh uses this). More...
float	m_parentProbability
	Probability of coming to parent (widebvh uses this). More...
int	m_treelet
	For queuing tests (qmachine uses this). More...
int	m_index
	in linearized tree (qmachine uses this). More...

Detailed Description

BVH leaf node.

Definition at line 275 of file BVHNode.hpp.

Constructor & Destructor Documentation

FW::LeafNode::LeafNode ( const AABB &  bounds, int  lo, int  hi  )

inline

Constructor.

Parameters

[in]	bounds	Node's bounding box.
[in]	lo	Lower index to the BVH's triangle index array.
[in]	hi	Higher index to the BVH's triangle index array.

Definition at line 285 of file BVHNode.hpp.

FW::LeafNode::LeafNode ( const LeafNode &  s )

inline

Copy constructor.

Parameters

[in]

s

Leaf node to copy.

Definition at line 291 of file BVHNode.hpp.

Member Function Documentation

BVHNode* FW::LeafNode::getChildNode ( S32  ) const

inlinevirtual

Returns one of the node's child nodes.

Parameters

[in]

i

Index of the child node.

Returns

Node's selected child node.

Implements FW::BVHNode.

Definition at line 308 of file BVHNode.hpp.

S32 FW::LeafNode::getNumChildNodes ( ) const

inlinevirtual

Returns

Number of the node's child nodes.

Implements FW::BVHNode.

Definition at line 301 of file BVHNode.hpp.

S32 FW::LeafNode::getNumTriangles ( ) const

inlinevirtual

Returns

Number of node's triangles.

Reimplemented from FW::BVHNode.

Definition at line 313 of file BVHNode.hpp.

bool FW::LeafNode::isLeaf ( ) const

inlinevirtual

Returns

Whether the node is a leaf node (always true).

Implements FW::BVHNode.

Definition at line 296 of file BVHNode.hpp.

Member Data Documentation

S32 FW::LeafNode::m_hi

Higher index to the BVH's triangle index array.

Definition at line 315 of file BVHNode.hpp.

S32 FW::LeafNode::m_lo

Lower index to the BVH's triangle index array.

Definition at line 314 of file BVHNode.hpp.

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

• src/rt/bvh/BVHNode.hpp