btBvhTree Class Reference

Basic Box tree structure. More...

#include <btGImpactBvh.h>

Collaboration diagram for btBvhTree:

Public Member Functions
	btBvhTree ()
void	build_tree (GIM_BVH_DATA_ARRAY &primitive_boxes)
	prototype functions for box tree management
void	clearNodes ()
int	getNodeCount () const
	node count
bool	isLeafNode (int nodeindex) const
	tells if the node is a leaf
int	getNodeData (int nodeindex) const
void	getNodeBound (int nodeindex, btAABB &bound) const
void	setNodeBound (int nodeindex, const btAABB &bound)
int	getLeftNode (int nodeindex) const
int	getRightNode (int nodeindex) const
int	getEscapeNodeIndex (int nodeindex) const
const GIM_BVH_TREE_NODE *	get_node_pointer (int index=0) const

Protected Member Functions
int	_sort_and_calc_splitting_index (GIM_BVH_DATA_ARRAY &primitive_boxes, int startIndex, int endIndex, int splitAxis)
int	_calc_splitting_axis (GIM_BVH_DATA_ARRAY &primitive_boxes, int startIndex, int endIndex)
void	_build_sub_tree (GIM_BVH_DATA_ARRAY &primitive_boxes, int startIndex, int endIndex)

Protected Attributes
int	m_num_nodes
GIM_BVH_TREE_NODE_ARRAY	m_node_array

Detailed Description

Basic Box tree structure.

Definition at line 61 of file btGImpactBvh.h.

Constructor & Destructor Documentation

btBvhTree()

btBvhTree::btBvhTree ( )

inline

Definition at line 77 of file btGImpactBvh.h.

Member Function Documentation

_build_sub_tree()

void btBvhTree::_build_sub_tree ( GIM_BVH_DATA_ARRAY &  primitive_boxes, int  startIndex, int  endIndex  )

protected

Definition at line 153 of file btGImpactBvh.cpp.

_calc_splitting_axis()

int btBvhTree::_calc_splitting_axis ( GIM_BVH_DATA_ARRAY &  primitive_boxes, int  startIndex, int  endIndex  )

protected

Definition at line 65 of file btGImpactBvh.cpp.

_sort_and_calc_splitting_index()

int btBvhTree::_sort_and_calc_splitting_index ( GIM_BVH_DATA_ARRAY &  primitive_boxes, int  startIndex, int  endIndex, int  splitAxis  )

protected

Definition at line 95 of file btGImpactBvh.cpp.

build_tree()

void btBvhTree::build_tree

(

GIM_BVH_DATA_ARRAY &

primitive_boxes

)

prototype functions for box tree management

stackless build tree

Definition at line 200 of file btGImpactBvh.cpp.

clearNodes()

void btBvhTree::clearNodes ( )

inline

Definition at line 86 of file btGImpactBvh.h.

get_node_pointer()

const GIM_BVH_TREE_NODE * btBvhTree::get_node_pointer ( int  index = 0 ) const

inline

Definition at line 135 of file btGImpactBvh.h.

getEscapeNodeIndex()

int btBvhTree::getEscapeNodeIndex ( int  nodeindex ) const

inline

Definition at line 130 of file btGImpactBvh.h.

getLeftNode()

int btBvhTree::getLeftNode ( int  nodeindex ) const

inline

Definition at line 119 of file btGImpactBvh.h.

getNodeBound()

void btBvhTree::getNodeBound ( int  nodeindex, btAABB &  bound  ) const

inline

Definition at line 109 of file btGImpactBvh.h.

getNodeCount()

int btBvhTree::getNodeCount ( ) const

inline

node count

Definition at line 93 of file btGImpactBvh.h.

getNodeData()

int btBvhTree::getNodeData ( int  nodeindex ) const

inline

Definition at line 104 of file btGImpactBvh.h.

getRightNode()

int btBvhTree::getRightNode ( int  nodeindex ) const

inline

Definition at line 124 of file btGImpactBvh.h.

isLeafNode()

bool btBvhTree::isLeafNode ( int  nodeindex ) const

inline

tells if the node is a leaf

Definition at line 99 of file btGImpactBvh.h.

setNodeBound()

void btBvhTree::setNodeBound ( int  nodeindex, const btAABB &  bound  )

inline

Definition at line 114 of file btGImpactBvh.h.

Member Data Documentation

m_node_array

GIM_BVH_TREE_NODE_ARRAY btBvhTree::m_node_array

protected

Definition at line 65 of file btGImpactBvh.h.

m_num_nodes

int btBvhTree::m_num_nodes

protected

Definition at line 64 of file btGImpactBvh.h.

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

• btGImpactBvh.h
• btGImpactBvh.cpp