A polygon shape. More...

#include <CCPhysicsShape.h>

Inheritance diagram for PhysicsShapePolygon:

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

Vec2	getPoint (int i) const
	Get a point of this polygon's points array. More...

void	getPoints (Vec2 *outPoints) const
	Get this polygon's points array. More...

int	getPointsCount () const
	Get this polygon's points array count. More...

virtual Vec2	getCenter () override
	Get this polygon's center position. 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	getOffset ()
	Get this shape's position offset. 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 PhysicsShapePolygon *	create (const Vec2 *points, int count, const PhysicsMaterial &material=PHYSICSSHAPE_MATERIAL_DEFAULT, const Vec2 &offset=Vec2::ZERO)
	Creates a PhysicsShapePolygon with specified value. More...

local	create ( local points, local count, local PHYSICSSHAPE_MATERIAL_DEFAULT, local ZERO)
	Creates a PhysicsShapePolygon with specified value. More...

static float	calculateArea (const Vec2 *points, int count)
	Calculate the area of a polygon with specified value. More...

static float	calculateMoment (float mass, const Vec2 *points, int count, const Vec2 &offset=Vec2::ZERO)
	Calculate the moment of a polygon with specified value. More...

local	calculateMoment ( local mass, local points, local count, local ZERO)
	Calculate the moment of a polygon 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 (const Vec2 *points, int count, const PhysicsMaterial &material=PHYSICSSHAPE_MATERIAL_DEFAULT, const Vec2 &offset=Vec2::ZERO)
var	init ( var points, var count, var PHYSICSSHAPE_MATERIAL_DEFAULT, var ZERO)
local	init ( local points, local count, local PHYSICSSHAPE_MATERIAL_DEFAULT, local ZERO)
float	calculateArea () override
	calculate the area of this shape More...

virtual void	updateScale () override
	PhysicsShapePolygon ()
virtual	~PhysicsShapePolygon ()
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 polygon shape.

Constructor & Destructor Documentation

PhysicsShapePolygon ( )

protected

var PhysicsShapePolygon ( )

protected

local PhysicsShapePolygon ( )

protected

virtual ~PhysicsShapePolygon ( )

protectedvirtual

var ~PhysicsShapePolygon ( )

protectedvirtual

local ~PhysicsShapePolygon ( )

protectedvirtual

Member Function Documentation

static float calculateArea	(	const Vec2 *	points,
		int	count
	)

static

Calculate the area of a polygon with specified value.

Parameters

points	A Vec2 object pointer, it is an array of Vec2.
count	An interger number, contains the count of the points array.

Returns: A float number.

var calculateArea	(	var	points,
		var	count
	)

static

Calculate the area of a polygon with specified value.

Parameters

points	A Vec2 object pointer, it is an array of Vec2.
count	An interger number, contains the count of the points array.

Returns: A float number.

local calculateArea	(	local	points,
		local	count
	)

static

Calculate the area of a polygon with specified value.

Parameters

points	A Vec2 object pointer, it is an array of Vec2.
count	An interger number, contains the count of the points array.

Returns: A float number.

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.

float calculateDefaultMoment ( )

overridevirtual

Calculate the moment for a polygon.

Returns: A float number.

Reimplemented from PhysicsShape.

var calculateDefaultMoment ( )

overridevirtual

Calculate the moment for a polygon.

Returns: A float number.

Reimplemented from PhysicsShape.

local calculateDefaultMoment ( )

overridevirtual

Calculate the moment for a polygon.

Returns: A float number.

Reimplemented from PhysicsShape.

static float calculateMoment	(	float	mass,
		const Vec2 *	points,
		int	count,
		const Vec2 &	offset = `Vec2::ZERO`
	)

static

Calculate the moment of a polygon with specified value.

Parameters

mass	A float number
points	A Vec2 object pointer, it is an array of Vec2.
count	An interger number, contains the count of the points array.
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	points,
		var	count,
		var	offset = `Vec2::ZERO`
	)

static

Calculate the moment of a polygon with specified value.

Parameters

mass	A float number
points	A Vec2 object pointer, it is an array of Vec2.
count	An interger number, contains the count of the points array.
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	points,
		local	count,
		local	offset = `Vec2::ZERO`
	)

static

Calculate the moment of a polygon with specified value.

Parameters

mass	A float number
points	A Vec2 object pointer, it is an array of Vec2.
count	An interger number, contains the count of the points array.
offset	A Vec2 object, it is the offset from the body’s center of gravity in body local coordinates.

Returns: A float number

static PhysicsShapePolygon* create	(	const Vec2 *	points,
		int	count,
		const PhysicsMaterial &	material = `PHYSICSSHAPE_MATERIAL_DEFAULT`,
		const Vec2 &	offset = `Vec2::ZERO`
	)

static

Creates a PhysicsShapePolygon with specified value.

Parameters

points	A Vec2 object pointer, it is an array of Vec2.
count	An interger number, contains the count of the points array.
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 PhysicsShapePolygon object pointer.

var create	(	var	points,
		var	count,
		var	material = `PHYSICSSHAPE_MATERIAL_DEFAULT`,
		var	offset = `Vec2::ZERO`
	)

static

Creates a PhysicsShapePolygon with specified value.

Parameters

points	A Vec2 object pointer, it is an array of Vec2.
count	An interger number, contains the count of the points array.
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 PhysicsShapePolygon object pointer.

local create	(	local	points,
		local	count,
		local	material = `PHYSICSSHAPE_MATERIAL_DEFAULT`,
		local	offset = `Vec2::ZERO`
	)

static

Creates a PhysicsShapePolygon with specified value.

Parameters

points	A Vec2 object pointer, it is an array of Vec2.
count	An interger number, contains the count of the points array.
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 PhysicsShapePolygon object pointer.

virtual Vec2 getCenter ( )

overridevirtual

Get this polygon's center position.

Returns: A Vec2 object.

Reimplemented from PhysicsShape.

var getCenter ( )

overridevirtual

Get this polygon's center position.

Returns: A Vec2 object.

Reimplemented from PhysicsShape.

local getCenter ( )

overridevirtual

Get this polygon's center position.

Returns: A Vec2 object.

Reimplemented from PhysicsShape.

Vec2 getPoint ( int i ) const

Get a point of this polygon's points array.

Parameters

i	A index of this polygon's points array.

Returns: A point value.

var getPoint ( var i )

Get a point of this polygon's points array.

Parameters

i	A index of this polygon's points array.

Returns: A point value.

local getPoint ( local i )

Get a point of this polygon's points array.

Parameters

i	A index of this polygon's points array.

Returns: A point value.

void getPoints ( Vec2 * outPoints ) const

Get this polygon's points array.

Parameters

outPoints A Vec2 array pointer.

var getPoints ( var outPoints )

Get this polygon's points array.

Parameters

outPoints A Vec2 array pointer.

local getPoints ( local outPoints )

Get this polygon's points array.

Parameters

outPoints A Vec2 array pointer.

int getPointsCount ( ) const

Get this polygon's points array count.

An interger number.

var getPointsCount ( )

Get this polygon's points array count.

An interger number.

local getPointsCount ( )

Get this polygon's points array count.

An interger number.

bool init	(	const Vec2 *	points,
		int	count,
		const PhysicsMaterial &	material = `PHYSICSSHAPE_MATERIAL_DEFAULT`,
		const Vec2 &	offset = `Vec2::ZERO`
	)

protected

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

protected

local init	(	local	points,
		local	count,
		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