#include <CollisionManager.h>

Inheritance diagram for CollisionManager:

Classes
class	MeshCollisionInfo

Public Member Functions
bool	GetRayIntersection (Hit &hit, const Point3D &start, const Vector3D &dir, unsigned int a_itemCategory=ALL, bool ignore_is_collidable=false)
	intersect a ray with all objects in the collision manager More...

void	GetAllRayIntersection (const Point3D &start, const Vector3D &dir, std::vector< Hit > &hits, unsigned int a_itemCategory=ALL, bool ignore_is_collidable=false)
	intersect a ray with all objects in the collision manager More...

void	GetPlaneIntersection (const Point3D &o, const Vector3D &n, PlaneIntersectionInfoStruct &result, unsigned int a_itemCategory=ALL, const BBox *Zone=nullptr)
	intersect a plane with all (triangles) objects in the collision manager More...

CoreModifiable *	GetSphereIntersection (const Point3D &start, const Vector3D &dir, const kfloat Radius, kdouble &Distance, Vector3D &normal, Point3D &intersectP, unsigned int a_itemCategory=ALL)
	intersect a sphere with all objects in the collision manager More...

bool	GetAltitude (kfloat x, kfloat y, kfloat z, kfloat &alt)
	return altitude for the current point More...

void	setCollisionCategories (CoreModifiable *a_Item, unsigned int a_Category=0)
	set collision mask for a specific mItem

void	setActiveMask (unsigned int a_mask)
	set collision mask for all the next items that will be added to the collision manager (should be reset to NONE(0) when we have finish).

Public Member Functions inherited from CoreModifiable
void	Init ()
	Modifiable managmenent.

void	EmptyItemList ()
	remove all items (sons)

CMSP	GetInstanceByPath (const std::string &path)
	return the instance corresponding to the given path in sons tree

std::string	GetRuntimeID () const
	ID.

CoreModifiableAttribute *	getAttribute (KigsID labelid) const
	Attribute management.

u32	getNbArrayElements (KigsID attributeLabel) const
	return element count for an array type attribute

template<typename attribute_type , typename value_type >
attribute_type *	AddDynamicAttribute (KigsID ID, const value_type &value)
	Dynamic attribute management.

const kigs::unordered_map< KigsID, ModifiableMethodStruct > *	GetMethods ()
	Method management.

bool	aggregateWith (CMSP &item, ItemPosition pos=Last)
	Aggregate management.

void	flagAsNotificationCenterRegistered ()
	Flags.

void	InitParametersFromList (const std::vector< CoreModifiableAttribute * > *params)
	Utility. More...

virtual void	UninitModifiable ()
	called when InitModifiable has failled : reset read/write flag on all init params More...

virtual void	ProtectedDestroy ()
	Destroy method decrement refcounter and delete instance if no more used. More...

virtual void	addUser (CoreModifiable *user)
	add the given parent to list

virtual void	removeUser (CoreModifiable *user)
	remove user (parent)

virtual bool	addItem (const CMSP &item, ItemPosition pos=Last)
	add item at first or last position

virtual bool	removeItem (const CMSP &item)
	remove item (son)

Protected Member Functions
void	InitModifiable () override
	default modifiable init : set all initparams to readonly and set initflag to true More...

void	CreateCollisionObject (CoreModifiable *item, unsigned int ColMask)

bool	GetLocalRayIntersection (Hit &hit, const Point3D &start, const Vector3D &dir, const CollisionBaseObject *pCollisionObject)
	recursive internal method return true if itersection found More...

bool	GetLocalSphereIntersection (Hit &hit, const Point3D &start, const Vector3D &dir, const kfloat &Radius, CollisionBaseObject *pCollisionObject)
	recursive internal method More...

bool	RecursiveSearchRayIntersection (CoreModifiable lastCollideNode, Node3D lastNode, CoreModifiable *currentitem, Point3D start, Vector3D dir, Hit &hit, unsigned int lastNodeCategory, unsigned int a_itemCategory=ALL, bool ignore_is_collidable=false)
	recursive internal method More...

void	RecursiveSearchAllRayIntersection (CoreModifiable lastCollideNode, Node3D lastNode, CoreModifiable *currentitem, const Point3D &start, const Vector3D &dir, std::vector< Hit > &hits, unsigned int lastNodeCategory, unsigned int a_itemCategory=ALL, bool ignore_is_collidable=false)

void	RecursiveSearchPlaneIntersection (Node3D lastNode, CoreModifiable currentitem, const Point3D &o, const Vector3D &n, const BBox *Zone, PlaneIntersectionInfoStruct &result, unsigned int lastNodeCategory, unsigned int a_itemCategory=ALL)

bool	RecursiveSearchSphereIntersection (Hit &hit, CoreModifiable *currentitem, const Point3D &start, const Vector3D &dir, const kfloat &Radius, unsigned int a_itemCategory=ALL)
	recursive internal method More...

CoreModifiable *	RecursiveSearchSphereIntersection (OctreeSubNode *currentNode, const Point3D &start, const Vector3D &dir, const kfloat &Radius, const Point3D &lstart, const Vector3D &ldir, const kfloat &lRadius, kdouble &Distance, Vector3D &normal, Point3D &intersectP, bool recurse=true, unsigned int a_itemCategory=ALL)
	recursive internal method More...

bool	GetLocalSphereIntersectionWithRay (Hit &hit, const Point3D &start, const Vector3D &dir, const kfloat &Radius, CollisionBaseObject *pCollisionObject, unsigned int a_itemCategory=ALL)
	recursive internal method

Protected Member Functions inherited from CoreModifiable
void	UpdateAggregates (const Timer &timer, void *addParam)
	Internals.

void	Export (std::vector< CoreModifiable * > &savedList, XMLNode currentNode, bool recursive, ExportSettings settings)
	Export. More...

CoreModifiableAttribute *	GenericCreateDynamicAttribute (CoreModifiable::ATTRIBUTE_TYPE type, KigsID ID)
	create and add dynamic attribute except arrays

Additional Inherited Members
Static Public Member Functions inherited from CoreModifiable
static std::vector< CMSP >	GetRootInstances (const KigsID &cid, bool exactTypeOnly=false)
	static method : return the set of all root instances of the given type

static void	Append (std::string &XMLString, const std::list< CoreModifiable * > &toexport, bool recursive, ExportSettings *settings=nullptr)
	static method to export the several CoreModifiable to an XML file. if recursive flag is set to true, export also all sons tree More...

static void	Export (const std::string &filename, CoreModifiable toexport, bool recursive=false, ExportSettings settings=nullptr)
	static method to export the given CoreModifiable to an XML file. if recursive flag is set to true, export also all sons tree More...

static XMLNode *	ExportToXMLNode (CoreModifiable toexport, XML owner_xml_file, bool recursive, ExportSettings *settings=nullptr)
	static method to export the given CoreModifiable to an XML Node. if recursive flag is set to true, export also all sons tree More...

static std::string	ExportToXMLString (CoreModifiable toexport, bool recursive, ExportSettings settings=nullptr)
	static method to export the given CoreModifiable to an XML file. if recursive flag is set to true, export also all sons tree More...

static void	Export (std::string &XMLString, const std::list< CoreModifiable * > &toexport, bool recursive, ExportSettings *settings=nullptr)
	static method to export the several CoreModifiable to an XML file. if recursive flag is set to true, export also all sons tree More...

static CMSP	Import (const std::string &filename, bool noInit=false, bool keepImportFileName=false, ImportState *state=nullptr, const std::string &override_name="")
	return an new CoreModifiable instance using the description found in XML file given by name

static CMSP	GetInstanceByGlobalPath (const std::string &path)
	static method : return the instance corresponding to the given path, and given search start

static void	debugPrintfFullTree (int maxindent=3)
	Editor. More...

Static Protected Member Functions inherited from CoreModifiable
template<typename StringType >
static CMSP	Import (XMLNodeTemplate< StringType > currentNode, CoreModifiable currentModifiable, ImportState &importState)
	recusrive method to add sons and attributes found in the XML file

Detailed Description

Manager class to manage collision.

Attributes

Key : Scene

Type : reference

Methods

Key : DeserializeAABBTree

Key : GetAllRayIntersection

intersect a ray with all objects in the collision manager search an intersection between a Ray (point and direction), and all the objects in the manager call the recursive method : RecursiveSearchRayIntersection

Key : GetAltitude

return altitude for the current point compute "altitude" = vertical distance from the given point to any object in the collision manager

Key : GetIntersection

Key : OnAddItemCallback

Key : OnDeleteCallBack

Key : OnRemoveItemCallback

Key : SerializeAABBTree

Key : SetAABBTreeFromFile

Member Function Documentation

◆ CreateCollisionObject()

void CollisionManager::CreateCollisionObject	(	CoreModifiable *	item,
		unsigned int	ColMask
	)

protected

for each mItem in the list search if this mItem is already managed by the collision manager

else, construct its AABBTree if it is a mesh and add it to the collision map

◆ GetAllRayIntersection()

void CollisionManager::GetAllRayIntersection	(	const Point3D &	start,
		const Vector3D &	dir,
		std::vector< Hit > &	hits,
		unsigned int	a_itemCategory = `ALL`,
		bool	ignore_is_collidable = `false`
	)

intersect a ray with all objects in the collision manager

search an intersection between a Ray (point and direction), and all the objects in the manager call the recursive method : RecursiveSearchRayIntersection

◆ GetAltitude()

bool CollisionManager::GetAltitude	(	kfloat	x,
		kfloat	y,
		kfloat	z,
		kfloat &	alt
	)

return altitude for the current point

compute "altitude" = vertical distance from the given point to any object in the collision manager

◆ GetLocalRayIntersection()

bool CollisionManager::GetLocalRayIntersection	(	Hit &	hit,
		const Point3D &	start,
		const Vector3D &	dir,
		const CollisionBaseObject *	pCollisionObject
	)

protected

recursive internal method return true if itersection found

compute intersection between a ray and a mesh in the local mesh coordinate system

◆ GetLocalSphereIntersection()

bool CollisionManager::GetLocalSphereIntersection	(	Hit &	hit,
		const Point3D &	start,
		const Vector3D &	dir,
		const kfloat &	Radius,
		CollisionBaseObject *	pCollisionObject
	)

protected

recursive internal method

Utility method used by recursive intersection search

◆ GetPlaneIntersection()

void CollisionManager::GetPlaneIntersection	(	const Point3D &	o,
		const Vector3D &	n,
		PlaneIntersectionInfoStruct &	result,
		unsigned int	a_itemCategory = `ALL`,
		const BBox *	Zone = `nullptr`
	)

intersect a plane with all (triangles) objects in the collision manager

◆ GetRayIntersection()

bool CollisionManager::GetRayIntersection	(	Hit &	hit,
		const Point3D &	start,
		const Vector3D &	dir,
		unsigned int	a_itemCategory = `ALL`,
		bool	ignore_is_collidable = `false`
	)

intersect a ray with all objects in the collision manager

search an intersection between a Ray (point and direction), and all the objects in the manager call the recursive method : RecursiveSearchRayIntersection

◆ GetSphereIntersection()

CoreModifiable * CollisionManager::GetSphereIntersection	(	const Point3D &	start,
		const Vector3D &	dir,
		const kfloat	Radius,
		kdouble &	Distance,
		Vector3D &	normal,
		Point3D &	intersectP,
		unsigned int	a_itemCategory = `ALL`
	)

intersect a sphere with all objects in the collision manager

compute intersection between a moving sphere and all the objects in the collision manager return the nearest intersection if at least one is found

first compute moving sphere BBox in local space

ensure the node is up to date (matrix, bbox...)

◆ InitModifiable()

void CollisionManager::InitModifiable ( )

overrideprotectedvirtual

default modifiable init : set all initparams to readonly and set initflag to true

already done ? then return

Reimplemented from CoreModifiable.

◆ RecursiveSearchAllRayIntersection()

void CollisionManager::RecursiveSearchAllRayIntersection	(	CoreModifiable *	lastCollideNode,
		Node3D *	lastNode,
		CoreModifiable *	item,
		const Point3D &	start,
		const Vector3D &	dir,
		std::vector< Hit > &	hits,
		unsigned int	lastNodeCategory,
		unsigned int	a_itemCategory = `ALL`,
		bool	ignore_is_collidable = `false`
	)

protected

search an intersection between a Ray (point and direction), and the current CoreModifiable this method is recursive

on Node3D, mark as last seen node au recurse to sons

transform Ray in local mesh coordinate system if needed

for each son of the current mItem, if the son is a Mesh

if intersection found, go back to global coordinates and test if this intersection is the best one (nearest)

◆ RecursiveSearchPlaneIntersection()

void CollisionManager::RecursiveSearchPlaneIntersection	(	Node3D *	lastNode,
		CoreModifiable *	currentitem,
		const Point3D &	o,
		const Vector3D &	n,
		const BBox *	Zone,
		PlaneIntersectionInfoStruct &	result,
		unsigned int	lastNodeCategory,
		unsigned int	a_itemCategory = `ALL`
	)

protected

on Node3D, mark as last seen node au recurse to sons

transform Ray in local mesh coordinate system if needed

for each son of the current mItem, if the son is a Mesh

◆ RecursiveSearchRayIntersection()

bool CollisionManager::RecursiveSearchRayIntersection	(	CoreModifiable *	lastCollideNode,
		Node3D *	lastNode,
		CoreModifiable *	item,
		Point3D	start,
		Vector3D	dir,
		Hit &	hit,
		unsigned int	lastNodeCategory,
		unsigned int	a_itemCategory = `ALL`,
		bool	ignore_is_collidable = `false`
	)

protected

recursive internal method

recurse in the Node3D hierarchy to find meshes and BSpheres. this method is recursive

void CollisionManager::RescursiveSearchMesh(CoreModifiable currentitem, std::vector<CoreModifiable>& list) { if ((currentitem->isSubType(Mesh::mClassID)) || (currentitem->isSubType(ModernMeshItemGroup::mClassID)) || (currentitem->isSubType(DrawVertice::mClassID)) || (currentitem->isSubType(Plane::mClassID)) || (currentitem->isSubType(BSphere::mClassID))) { list.push_back(currentitem); } else if (currentitem->isUserFlagSet(UserFlagNode3D) || currentitem->isSubType(ModernMesh::mClassID)) { bool needCollision = true;

! recurse only if NeedCollision flag is true CoreModifiableAttribute *pNeedCollisionAttribute = getAttribute("NeedCollision"); if (pNeedCollisionAttribute) pNeedCollisionAttribute->getValue(needCollision); if (needCollision) { std::vector<ModifiableItemStruct>::const_iterator it; for (it = currentitem->getItems().begin(); it != currentitem->getItems().end(); ++it) { RescursiveSearchMesh((*it).mItem, list); } } } }

search an intersection between a Ray (point and direction), and the current CoreModifiable this method is recursive

on Node3D, mark as last seen node au recurse to sons

transform Ray in local mesh coordinate system if needed

for each son of the current mItem, if the son is a Mesh

then check intersection between ray (local) and mesh

if intersection found, go back to global coordinates and test if this intersection is the best one (nearest)

◆ RecursiveSearchSphereIntersection() [1/2]

bool CollisionManager::RecursiveSearchSphereIntersection	(	Hit &	hit,
		CoreModifiable *	currentitem,
		const Point3D &	start,
		const Vector3D &	dir,
		const kfloat &	Radius,
		unsigned int	a_itemCategory = `ALL`
	)

protected

recursive internal method

Recursive method to search for intersection of a moving sphere in an Node3D

◆ RecursiveSearchSphereIntersection() [2/2]

CoreModifiable * CollisionManager::RecursiveSearchSphereIntersection	(	OctreeSubNode *	currentNode,
		const Point3D &	start,
		const Vector3D &	dir,
		const kfloat &	Radius,
		const Point3D &	lstart,
		const Vector3D &	ldir,
		const kfloat &	lRadius,
		kdouble &	Distance,
		Vector3D &	normal,
		Point3D &	intersectP,
		bool	recurse = `true`,
		unsigned int	a_itemCategory = `ALL`
	)

protected

recursive internal method

Recursive method to search for intersection of a moving sphere in an octree

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

G:/Projects/Github/kigs/framework/Collision/Headers/CollisionManager.h
G:/Projects/Github/kigs/framework/Collision/Sources/CollisionManager.cpp

Classes

Public Member Functions

Protected Member Functions

Additional Inherited Members

Detailed Description

Attributes

Key : Scene

Methods

Key : DeserializeAABBTree

Key : GetAllRayIntersection

Key : GetAltitude

Key : GetIntersection

Key : OnAddItemCallback

Key : OnDeleteCallBack

Key : OnRemoveItemCallback

Key : SerializeAABBTree

Key : SetAABBTreeFromFile

Member Function Documentation

◆ CreateCollisionObject()

◆ GetAllRayIntersection()

◆ GetAltitude()

◆ GetLocalRayIntersection()

◆ GetLocalSphereIntersection()

◆ GetPlaneIntersection()

◆ GetRayIntersection()

◆ GetSphereIntersection()

◆ InitModifiable()

◆ RecursiveSearchAllRayIntersection()

◆ RecursiveSearchPlaneIntersection()

◆ RecursiveSearchRayIntersection()

◆ RecursiveSearchSphereIntersection() [1/2]

◆ RecursiveSearchSphereIntersection() [2/2]