High-level interface to the Box2D physics. More...

#include <BoxScene.h>

Public Member Functions
	Box2DScene ()
virtual	~Box2DScene ()
virtual void	AfterConstruction ()
void	SetTimeStep (float TimeSt)
float	GetTimeStep () const
void	SetIterations (int Iters)
int	GetIterations () const
void	SetGravity (const vec2 &G)
vec2	GetGravity () const
bool	IsPaused () const
void	SetPause (bool p)
void	Update (float dt)
	Update internal state.
bool	GetWarmStarting () const
bool	GetAccumulateImpulses () const
bool	GetPositionCorrection () const
void	SetAccumulateImpulses (bool _AccImp)
void	SetPositionCorrection (bool _PosCorr)
void	SetWarmStarting (bool _WarmSt)
void	ClearBodies (bool ToDelete)
void	ClearJoints (bool ToDelete)
Box2DBody *	GetBody (int idx) const
void	SetBody (int i, Box2DBody *B)
Box2DJoint *	GetJoint (int idx) const
void	SetJoint (int i, Box2DJoint *J)
size_t	GetNumBodies () const
size_t	GetNumJoints () const
Box2DBody *	CreateBody (const vec2 &Size, float Mass, float Friction) const
Box2DJoint *	CreateJoint (Box2DBody B1, Box2DBody B2, const vec2 &Anchor, float Softness, float Bias) const
void	AddBody (Box2DBody *B)
void	AddJoint (Box2DJoint *J)
void	RemoveBody (size_t idx)
void	RemoveBodyIdx (int idx)
void	RemoveJointIdx (int idx)
int	GetJointIndex (const std::string &JName) const
int	GetBodyIndex (const std::string &BName) const
Box2DJoint *	GetJointByName (const std::string &JName) const
Box2DBody *	GetBodyByName (const std::string &BName) const
int	GetJointAtPoint (const vec2 &Pt, float SearchRadius)
int	GetBodyAtPoint (const vec2 &Pt, float SearchRadius)
bool	HasJointsForBody (Box2DBody *B) const
	Check if this body is attached to something.
virtual bool	EndLoad ()
	Custom termination of the loading process.
Box2DBody *	AddGround (const vec2 &Pos, float Angle, const vec2 &Size, float Friction)
	Static box.
void	MakeSuspensionBridge (Box2DBody *Ground, const std::string &NameBase, int NumPlanks, float PlankMass, float PlankFriction, bool Attach1, bool Attach2)
	A suspension bridge (Attach1/2 allow creation of ropes)
void	RenderDebug (clCanvas *C)
Public Attributes
std::vector< Box2DJoint * >	FJoints
	Tmp array to load joints.
std::vector< Box2DBody * >	FBodies
	Tmp array to load bodies.
Private Attributes
World *	FWorld
	Box2D world.
float	FLocalTime
	Time counter for the simulation.
float	FTimeStep
	Internal update rate for fixed frames/sec.
bool	FPaused
	Pause flag.

Detailed Description

High-level interface to the Box2D physics.

/ TODO: add water patches / TODO: add mechanism creation (suspension bridge, multipendulum etc.)

Constructor & Destructor Documentation

Box2DScene::Box2DScene ( ) [inline]

virtual Box2DScene::~Box2DScene ( ) [inline, virtual]

Member Function Documentation

void Box2DScene::AddBody ( Box2DBody * B ) [inline]

Box2DBody * Box2DScene::AddGround	(	const vec2 &	Pos,
		float	Angle,
		const vec2 &	Size,
		float	Friction
	)

Static box.

void Box2DScene::AddJoint ( Box2DJoint * J ) [inline]

virtual void Box2DScene::AfterConstruction ( ) [inline, virtual]

Reimplemented from iObject.

void Box2DScene::ClearBodies ( bool ToDelete ) [inline]

void Box2DScene::ClearJoints ( bool ToDelete ) [inline]

Box2DBody* Box2DScene::CreateBody	(	const vec2 &	Size,
		float	Mass,
		float	Friction
	)		const `[inline]`

Box2DJoint* Box2DScene::CreateJoint	(	Box2DBody *	B1,
		Box2DBody *	B2,
		const vec2 &	Anchor,
		float	Softness,
		float	Bias
	)		const `[inline]`

virtual bool Box2DScene::EndLoad ( ) [inline, virtual]

Custom termination of the loading process.

Run the EndLoad() for each loaded body and joint

Add to the world

Return standart post-serialization

Reimplemented from iObject.

bool Box2DScene::GetAccumulateImpulses ( ) const [inline]

Box2DBody* Box2DScene::GetBody ( int idx ) const [inline]

int Box2DScene::GetBodyAtPoint	(	const vec2 &	Pt,
		float	SearchRadius
	)

Box2DBody* Box2DScene::GetBodyByName ( const std::string & BName ) const [inline]

int Box2DScene::GetBodyIndex ( const std::string & BName ) const [inline]

vec2 Box2DScene::GetGravity ( ) const [inline]

int Box2DScene::GetIterations ( ) const [inline]

Box2DJoint* Box2DScene::GetJoint ( int idx ) const [inline]

int Box2DScene::GetJointAtPoint	(	const vec2 &	Pt,
		float	SearchRadius
	)

Box2DJoint* Box2DScene::GetJointByName ( const std::string & JName ) const [inline]

int Box2DScene::GetJointIndex ( const std::string & JName ) const [inline]

size_t Box2DScene::GetNumBodies ( ) const [inline]

size_t Box2DScene::GetNumJoints ( ) const [inline]

bool Box2DScene::GetPositionCorrection ( ) const [inline]

float Box2DScene::GetTimeStep ( ) const [inline]

bool Box2DScene::GetWarmStarting ( ) const [inline]

Property(Name=Pause, Type=bool, Getter=IsPaused, Setter=SetPause) Property(Name=TimeStep, Type=float, Getter=GetTimeStep, Setter=SetTimeStep) Property(Name=Gravity, Type=vec2, Setter=SetGravity, Getter=GetGravity) Property(Name=Bodies, Type=Box2DBody, IndexType=int, FieldName=FBodies, NetIndexedGetter=GetBody, NetIndexedSetter=SetBody ) Property(Name=Joints, Type=Box2DJoint, IndexType=int, FieldName=FJoints, NetIndexedGetter=GetJoint, NetIndexedSetter=SetJoint) Property(Category="Box2D Properties", Name=Iterations, Type=int, Setter=SetIterations, Getter=GetIterations) Property(Category="Box2D Properties", Name=AccumulateImpulses, Type=bool, Getter=GetAccumulateImpulses, Setter=SetAccumulateImpulses) Property(Category="Box2D Properties", Name=PositionCorrection, Type=bool, Getter=GetPositionCorrection, Setter=SetPositionCorrection) Property(Category="Box2D Properties", Name=WarmStarting, Type=bool, Getter=GetWarmStarting, Setter=SetWarmStarting)

bool Box2DScene::HasJointsForBody ( Box2DBody * B ) const [inline]

Check if this body is attached to something.

bool Box2DScene::IsPaused ( ) const [inline]

void Box2DScene::MakeSuspensionBridge	(	Box2DBody *	Ground,
		const std::string &	NameBase,
		int	NumPlanks,
		float	PlankMass,
		float	PlankFriction,
		bool	Attach1,
		bool	Attach2
	)