A circle shape. More...

#include <CCPhysicsShape.h>

Inheritance diagram for PhysicsShapeCircle:

Public Member Functions
virtual float	calculateDefaultMoment () override
	Calculate the moment for a circle. More...

float	getRadius () const
	Get the circle's radius. More...

virtual Vec2	getOffset () override
	Get this circle's position offset. More...

Public Member Functions inherited from PhysicsShape
PhysicsBody *	getBody () const
	Get the body that this shape attaches. More...

Type	getType () const
	Return this shape's type. More...

float	getArea () const
	Return this shape's area. More...

float	getMoment () const
	Get this shape's moment. More...

void	setMoment (float moment)
	Set this shape's moment. More...

void	setTag (int tag)
	Set this shape's tag. More...

int	getTag () const
	Get this shape's tag. More...

float	getMass () const
	Get the mass of this shape. More...

void	setMass (float mass)
	Set this shape's mass. More...

float	getDensity () const
	Get this shape's density. More...

void	setDensity (float density)
	Set this shape's density. More...

float	getRestitution () const
	Get this shape's restitution. More...

void	setRestitution (float restitution)
	Set this shape's restitution. More...

float	getFriction () const
	Get this shape's friction. More...

void	setFriction (float friction)
	Set this shape's friction. More...

const PhysicsMaterial &	getMaterial () const
	Get this shape's PhysicsMaterial object. More...

local	getMaterial ()
	Get this shape's PhysicsMaterial object. More...

void	setMaterial (const PhysicsMaterial &material)
	Set this shape's material. More...

local	setMaterial ( local material)
	Set this shape's material. More...

virtual Vec2	getCenter ()
	Get this shape's center position. More...

local	getCenter ()
	Get this shape's center position. More...

bool	containsPoint (const Vec2 &point) const
	Test point is inside this shape or not. More...

void	setCategoryBitmask (int bitmask)
	Set a mask that defines which categories this physics body belongs to. More...

var	setCategoryBitmask ( var bitmask)
	Set a mask that defines which categories this physics body belongs to. More...

local	setCategoryBitmask ( local bitmask)
	Set a mask that defines which categories this physics body belongs to. More...

int	getCategoryBitmask () const
	Get a mask that defines which categories this physics body belongs to. More...

var	getCategoryBitmask ()
	Get a mask that defines which categories this physics body belongs to. More...

local	getCategoryBitmask ()
	Get a mask that defines which categories this physics body belongs to. More...

void	setContactTestBitmask (int bitmask)
	A mask that defines which categories of bodies cause intersection notifications with this physics body. More...

int	getContactTestBitmask () const
	Get a mask that defines which categories of bodies cause intersection notifications with this physics body. More...

void	setCollisionBitmask (int bitmask)
	A mask that defines which categories of physics bodies can collide with this physics body. More...

int	getCollisionBitmask () const
	Get a mask that defines which categories of physics bodies can collide with this physics body. More...

void	setGroup (int group)
	Set the group of body. More...

int	getGroup ()
	Get the group of body. More...

Public Member Functions inherited from Ref
void	retain ()
	Retains the ownership. More...

void	release ()
	Releases the ownership immediately. More...

Ref *	autorelease ()
	Releases the ownership sometime soon automatically. More...

unsigned int	getReferenceCount () const
	Returns the Ref's current reference count. More...

virtual	~Ref ()
	Destructor. More...

Static Public Member Functions
static PhysicsShapeCircle *	create (float radius, const PhysicsMaterial &material=PHYSICSSHAPE_MATERIAL_DEFAULT, const Vec2 &offset=Vec2(0, 0))
	Creates a PhysicsShapeCircle with specified value. More...

local	create ( local radius, local PHYSICSSHAPE_MATERIAL_DEFAULT, local 0)
	Creates a PhysicsShapeCircle with specified value. More...

static float	calculateArea (float radius)
	Calculate the area of a circle with specified radius. More...

static float	calculateMoment (float mass, float radius, const Vec2 &offset=Vec2::ZERO)
	Calculate the moment of a circle with specified value. More...

local	calculateMoment ( local mass, local radius, local ZERO)
	Calculate the moment of a circle with specified value. More...

Static Public Member Functions inherited from PhysicsShape
static void	recenterPoints (Vec2 *points, int count, const Vec2 &center=Vec2::ZERO)
	Move the points to the center. More...

local	recenterPoints ( local points, local count, local ZERO)
	Move the points to the center. More...

static Vec2	getPolyonCenter (const Vec2 *points, int count)
	Get center of the polyon points. More...

Protected Member Functions
bool	init (float radius, const PhysicsMaterial &material=PHYSICSSHAPE_MATERIAL_DEFAULT, const Vec2 &offset=Vec2::ZERO)
virtual float	calculateArea () override
	calculate the area of this shape More...

virtual void	updateScale () override
	PhysicsShapeCircle ()
	PhysicsShapeCircle ()
virtual	~PhysicsShapeCircle ()
Protected Member Functions inherited from PhysicsShape
void	setBody (PhysicsBody *body)
virtual void	setScale (float scaleX, float scaleY)
local	setScale ( local scaleX, local scaleY)
void	addShape (cpShape *shape)
	PhysicsShape ()
virtual	~PhysicsShape ()=0
local	~PhysicsShape ()
Protected Member Functions inherited from Ref
	Ref ()
	Constructor. More...

	Ref ()
	Constructor. More...

Additional Inherited Members
Public Types inherited from PhysicsShape
enum	Type { UNKNOWN, CIRCLE, BOX, POLYGEN, EDGESEGMENT, EDGEBOX, EDGEPOLYGEN, EDGECHAIN }

Protected Attributes inherited from PhysicsShape
PhysicsBody *	_body
std::vector< cpShape * >	_cpShapes
Type	_type
float	_area
float	_mass
float	_moment
float	_scaleX
float	_scaleY
float	_newScaleX
float	_newScaleY
PhysicsMaterial	_material
int	_tag
int	_categoryBitmask
int	_collisionBitmask
int	_contactTestBitmask
int	_group
Protected Attributes inherited from Ref
unsigned int	_referenceCount
	count of references More...

local	_referenceCount
	count of references More...

Detailed Description

A circle shape.

Constructor & Destructor Documentation

PhysicsShapeCircle ( )

protected

var PhysicsShapeCircle ( )

protected

local PhysicsShapeCircle ( )

protected

virtual ~PhysicsShapeCircle ( )

protectedvirtual

var ~PhysicsShapeCircle ( )

protectedvirtual

local ~PhysicsShapeCircle ( )

protectedvirtual

Member Function Documentation

static float calculateArea ( float radius )

static

Calculate the area of a circle with specified radius.

Parameters

radius A float number

Returns: A float number

var calculateArea ( var radius )

static

Calculate the area of a circle with specified radius.

Parameters

radius A float number

Returns: A float number

local calculateArea ( local radius )

static

Calculate the area of a circle with specified radius.

Parameters

radius A float number

Returns: A float number

virtual float calculateArea ( )

overrideprotectedvirtual

calculate the area of this shape

Reimplemented from PhysicsShape.

var calculateArea ( )

overrideprotectedvirtual

calculate the area of this shape

Reimplemented from PhysicsShape.

local calculateArea ( )

overrideprotectedvirtual

calculate the area of this shape

Reimplemented from PhysicsShape.

virtual float
calculateDefaultMoment ( )

overridevirtual

Calculate the moment for a circle.

Returns: A float number.

Reimplemented from PhysicsShape.

var calculateDefaultMoment ( )

overridevirtual

Calculate the moment for a circle.

Returns: A float number.

Reimplemented from PhysicsShape.

local calculateDefaultMoment ( )

overridevirtual

Calculate the moment for a circle.

Returns: A float number.

Reimplemented from PhysicsShape.

static float calculateMoment	(	float	mass,
		float	radius,
		const Vec2 &	offset = `Vec2::ZERO`
	)

static

Calculate the moment of a circle with specified value.

Parameters

mass	A float number
radius	A float number
offset	A Vec2 object, it is the offset from the body’s center of gravity in body local coordinates.

Returns: A float number

var calculateMoment	(	var	mass,
		var	radius,
		var	offset = `Vec2::ZERO`
	)

static

Calculate the moment of a circle with specified value.

Parameters

mass	A float number
radius	A float number
offset	A Vec2 object, it is the offset from the body’s center of gravity in body local coordinates.

Returns: A float number

local calculateMoment	(	local	mass,
		local	radius,
		local	offset = `Vec2::ZERO`
	)

static

Calculate the moment of a circle with specified value.

Parameters

mass	A float number
radius	A float number
offset	A Vec2 object, it is the offset from the body’s center of gravity in body local coordinates.

Returns: A float number

static PhysicsShapeCircle* create	(	float	radius,
		const PhysicsMaterial &	material = `PHYSICSSHAPE_MATERIAL_DEFAULT`,
		const Vec2 &	offset = `Vec2(0, 0)`
	)

static

Creates a PhysicsShapeCircle with specified value.

Parameters

radius	A float number, it is the circle's radius.
material	A PhysicsMaterial object, the default value is PHYSICSSHAPE_MATERIAL_DEFAULT.
offset	A Vec2 object, it is the offset from the body’s center of gravity in body local coordinates.

Returns: An autoreleased PhysicsShapeCircle object pointer.

var create	(	var	radius,
		var	material = `PHYSICSSHAPE_MATERIAL_DEFAULT`,
		var	offset = `Vec2(0, 0)`
	)

static

Creates a PhysicsShapeCircle with specified value.

Parameters

radius	A float number, it is the circle's radius.
material	A PhysicsMaterial object, the default value is PHYSICSSHAPE_MATERIAL_DEFAULT.
offset	A Vec2 object, it is the offset from the body’s center of gravity in body local coordinates.

Returns: An autoreleased PhysicsShapeCircle object pointer.

local create	(	local	radius,
		local	material = `PHYSICSSHAPE_MATERIAL_DEFAULT`,
		local	offset = `Vec2(0, 0)`
	)

static

Creates a PhysicsShapeCircle with specified value.

Parameters

radius	A float number, it is the circle's radius.
material	A PhysicsMaterial object, the default value is PHYSICSSHAPE_MATERIAL_DEFAULT.
offset	A Vec2 object, it is the offset from the body’s center of gravity in body local coordinates.

Returns: An autoreleased PhysicsShapeCircle object pointer.

virtual Vec2 getOffset ( )

overridevirtual

Get this circle's position offset.

Returns: A Vec2 object.

Reimplemented from PhysicsShape.

var getOffset ( )

overridevirtual

Get this circle's position offset.

Returns: A Vec2 object.

Reimplemented from PhysicsShape.

local getOffset ( )

overridevirtual

Get this circle's position offset.

Returns: A Vec2 object.

Reimplemented from PhysicsShape.

float getRadius ( ) const

Get the circle's radius.

Returns: A float number.

var getRadius ( )

Get the circle's radius.

Returns: A float number.

local getRadius ( )

Get the circle's radius.

Returns: A float number.

bool init	(	float	radius,
		const PhysicsMaterial &	material = `PHYSICSSHAPE_MATERIAL_DEFAULT`,
		const Vec2 &	offset = `Vec2::ZERO`
	)

protected

var init	(	var	radius,
		var	material = `PHYSICSSHAPE_MATERIAL_DEFAULT`,
		var	offset = `Vec2::ZERO`
	)

protected

local init	(	local	radius,
		local	material = `PHYSICSSHAPE_MATERIAL_DEFAULT`,
		local	offset = `Vec2::ZERO`
	)

protected

virtual void updateScale ( )

overrideprotectedvirtual

Reimplemented from PhysicsShape.

var updateScale ( )

overrideprotectedvirtual

Reimplemented from PhysicsShape.

local updateScale ( )

overrideprotectedvirtual

Reimplemented from PhysicsShape.

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

/Users/minggo/SourceCode/cocos2d-x/cocos/physics/CCPhysicsShape.h

Public Member Functions

Static Public Member Functions

Protected Member Functions

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation