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ug::node_tree::Traverser_ProjectPoint Class Reference

traverses a node-tree and projects a given point to the contained geometry. More...

#include <traverser_project_point.h>

+ Inheritance diagram for ug::node_tree::Traverser_ProjectPoint:

Public Member Functions

CollisionElementID get_closest_element_id ()
 
int get_closest_element_type ()
 returns the type of the element to which the closest distance was found.
 
vector3 get_closest_point ()
 
number get_distance ()
 
virtual bool project (const vector3 &point, SPNode nodeGraph, vector3 *pPointNormal=NULL)
 
 Traverser_ProjectPoint ()
 
virtual ~Traverser_ProjectPoint ()
 

Protected Types

enum  SearchState { SEARCHING = 0 , FORCE_FIND , GOT_ONE }
 

Protected Member Functions

virtual void handle_boxed_group (BoxedGroupNode *boxedGroup)
 
virtual void handle_collision_edges (CollisionEdgesNode *colTrisNode)
 
virtual void handle_collision_triangles (CollisionTrianglesNode *colTrisNode)
 
virtual void handle_group (GroupNode *group)
 
- Protected Member Functions inherited from ug::node_tree::Traverser_CollisionTree
CollisionTreeRootNode * get_current_root_node ()
 
virtual void handle_collision_tree_root (CollisionTreeRootNode *colTreeRootNode)
 
 Traverser_CollisionTree ()
 
virtual ~Traverser_CollisionTree ()
 
- Protected Member Functions inherited from ug::node_tree::Traverser
void apply (SPNode &node)
 
template<typename HandlerType >
void register_handler_function (unsigned int oc, HandlerType func)
 
void traverse_object (Object *obj)
 
 Traverser ()
 
virtual ~Traverser ()
 

Protected Attributes

vector3 m_closestPoint
 
number m_distance
 
vector3 m_point
 

Private Attributes

vector3 m_boxMax
 
vector3 m_boxMin
 
bool m_checkNormals
 
CollisionElementID m_closestElemID
 
int m_closestElemIndices [3]
 
int m_closestElemType
 
CollisionTreeRootNode * m_closestRootNode
 
vector3 m_pointNormal
 
SearchState m_searchState
 

Detailed Description

traverses a node-tree and projects a given point to the contained geometry.

Member Enumeration Documentation

◆ SearchState

enum ug::node_tree::Traverser_ProjectPoint::SearchState
protected
Enumerator
SEARCHING 
FORCE_FIND 
GOT_ONE 

Constructor & Destructor Documentation

◆ Traverser_ProjectPoint()

ug::node_tree::Traverser_ProjectPoint::Traverser_ProjectPoint ( )

References m_closestElemID, and m_closestElemType.

◆ ~Traverser_ProjectPoint()

ug::node_tree::Traverser_ProjectPoint::~Traverser_ProjectPoint ( )
virtual

Member Function Documentation

◆ get_closest_element_id()

CollisionElementID ug::node_tree::Traverser_ProjectPoint::get_closest_element_id ( )

after the distance of a point to the geometry has been determined, this funtion returns the id of the element closest to the point.

References m_closestElemID.

◆ get_closest_element_type()

int ug::node_tree::Traverser_ProjectPoint::get_closest_element_type ( )

returns the type of the element to which the closest distance was found.

0: invalid, 2: edge, 3: triangle

◆ get_closest_point()

vector3 ug::node_tree::Traverser_ProjectPoint::get_closest_point ( )
inline

References m_closestPoint.

Referenced by ug::AdjustEdgeLength(), and ug::AdjustEdgeLength().

◆ get_distance()

number ug::node_tree::Traverser_ProjectPoint::get_distance ( )
inline

References m_distance.

◆ handle_boxed_group()

void ug::node_tree::Traverser_ProjectPoint::handle_boxed_group ( BoxedGroupNode *  boxedGroup)
protectedvirtual

Reimplemented from ug::node_tree::Traverser.

References ug::BoxBoundProbe(), ug::BoxBoxIntersection(), FORCE_FIND, GOT_ONE, handle_group(), m_boxMax, m_boxMin, m_point, m_searchState, ug::node_tree::BoxedGroupNode::max_corner(), ug::node_tree::BoxedGroupNode::min_corner(), and SEARCHING.

◆ handle_collision_edges()

void ug::node_tree::Traverser_ProjectPoint::handle_collision_edges ( CollisionEdgesNode *  colTrisNode)
protectedvirtual

Reimplemented from ug::node_tree::Traverser_CollisionTree.

References ug::DistancePointToLine(), ug::node_tree::Traverser_CollisionTree::get_current_root_node(), ug::node_tree::CollisionEdgesNode::get_edge_id(), ug::node_tree::CollisionEdgesNode::get_edges(), ug::node_tree::CollisionTreeRootNode::get_points(), GOT_ONE, m_boxMax, m_boxMin, m_closestElemID, m_closestElemIndices, m_closestElemType, m_closestPoint, m_closestRootNode, m_distance, m_point, m_searchState, ug::node_tree::CollisionEdgesNode::num_edges(), and ug::VecScaleAdd().

◆ handle_collision_triangles()

void ug::node_tree::Traverser_ProjectPoint::handle_collision_triangles ( CollisionTrianglesNode *  colTrisNode)
protectedvirtual

Reimplemented from ug::node_tree::Traverser_CollisionTree.

References ug::CalculateTriangleNormalNoNormalize(), ug::DistancePointToTriangle(), ug::node_tree::Traverser_CollisionTree::get_current_root_node(), ug::node_tree::CollisionTreeRootNode::get_points(), ug::node_tree::CollisionTrianglesNode::get_triangle_id(), ug::node_tree::CollisionTrianglesNode::get_triangles(), GOT_ONE, m_boxMax, m_boxMin, m_checkNormals, m_closestElemID, m_closestElemIndices, m_closestElemType, m_closestPoint, m_closestRootNode, m_distance, m_point, m_pointNormal, m_searchState, ug::node_tree::CollisionTrianglesNode::num_triangles(), and ug::VecDot().

◆ handle_group()

void ug::node_tree::Traverser_ProjectPoint::handle_group ( GroupNode *  group)
protectedvirtual

Reimplemented from ug::node_tree::Traverser.

References FORCE_FIND, SmartPtr< T, FreePolicy >::get(), ug::node_tree::GroupNode::get_child(), GOT_ONE, ug::node_tree::Traverser::handle_group(), m_searchState, ug::node_tree::GroupNode::num_children(), SEARCHING, and ug::node_tree::Traverser::traverse_object().

Referenced by handle_boxed_group().

◆ project()

bool ug::node_tree::Traverser_ProjectPoint::project ( const vector3 &  point,
SPNode  nodeGraph,
vector3 *  pPointNormal = NULL 
)
virtual

References ug::node_tree::Traverser::apply(), GOT_ONE, m_checkNormals, m_closestElemID, m_closestElemType, m_distance, m_point, m_pointNormal, m_searchState, and SEARCHING.

Referenced by ug::AdjustEdgeLength(), and ug::AdjustEdgeLength().

Member Data Documentation

◆ m_boxMax

vector3 ug::node_tree::Traverser_ProjectPoint::m_boxMax
private

Referenced by handle_boxed_group(), handle_collision_edges(), and handle_collision_triangles().

◆ m_boxMin

vector3 ug::node_tree::Traverser_ProjectPoint::m_boxMin
private

Referenced by handle_boxed_group(), handle_collision_edges(), and handle_collision_triangles().

◆ m_checkNormals

bool ug::node_tree::Traverser_ProjectPoint::m_checkNormals
private

Referenced by handle_collision_triangles(), and project().

◆ m_closestElemID

CollisionElementID ug::node_tree::Traverser_ProjectPoint::m_closestElemID
private

Referenced by get_closest_element_id(), handle_collision_edges(), handle_collision_triangles(), project(), and Traverser_ProjectPoint().

◆ m_closestElemIndices

int ug::node_tree::Traverser_ProjectPoint::m_closestElemIndices[3]
private

Referenced by handle_collision_edges(), and handle_collision_triangles().

◆ m_closestElemType

int ug::node_tree::Traverser_ProjectPoint::m_closestElemType
private

Referenced by handle_collision_edges(), handle_collision_triangles(), project(), and Traverser_ProjectPoint().

◆ m_closestPoint

vector3 ug::node_tree::Traverser_ProjectPoint::m_closestPoint
protected

Referenced by get_closest_point(), handle_collision_edges(), and handle_collision_triangles().

◆ m_closestRootNode

CollisionTreeRootNode* ug::node_tree::Traverser_ProjectPoint::m_closestRootNode
private

Referenced by handle_collision_edges(), and handle_collision_triangles().

◆ m_distance

number ug::node_tree::Traverser_ProjectPoint::m_distance
protected

Referenced by get_distance(), handle_collision_edges(), handle_collision_triangles(), and project().

◆ m_point

vector3 ug::node_tree::Traverser_ProjectPoint::m_point
protected

Referenced by handle_boxed_group(), handle_collision_edges(), handle_collision_triangles(), and project().

◆ m_pointNormal

vector3 ug::node_tree::Traverser_ProjectPoint::m_pointNormal
private

Referenced by handle_collision_triangles(), and project().

◆ m_searchState

SearchState ug::node_tree::Traverser_ProjectPoint::m_searchState
private

Referenced by handle_boxed_group(), handle_collision_edges(), handle_collision_triangles(), handle_group(), and project().

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