Members

<static> DYNAMIC :Number

Dynamic body. Dynamic bodies body can move and respond to collisions and forces.

Source - physics/p2/Body.js, line 1289

<static> KINEMATIC :Number

Kinematic body. Kinematic bodies only moves according to its .velocity, and does not respond to collisions or force.

Source - physics/p2/Body.js, line 1305

<static> STATIC :Number

Static body. Static bodies do not move, and they do not respond to forces or collision.

Source - physics/p2/Body.js, line 1297

allowSleep :boolean

-

Source - physics/p2/Body.js, line 1402

angle :number

The angle of the Body in degrees from its original orientation. Values from 0 to 180 represent clockwise rotation; values from 0 to -180 represent counterclockwise rotation. Values outside this range are added to or subtracted from 360 to obtain a value within the range. For example, the statement Body.angle = 450 is the same as Body.angle = 90. If you wish to work in radians instead of degrees use the property Body.rotation instead. Working in radians is faster as it doesn't have to convert values. The angle of this Body in degrees.

Source - physics/p2/Body.js, line 1425

angularDamping :number

Damping is specified as a value between 0 and 1, which is the proportion of velocity lost per second. The angular damping acting acting on the body.

Source - physics/p2/Body.js, line 1449

angularForce :number

The angular force acting on the body.

Source - physics/p2/Body.js, line 1470

angularVelocity :number

The angular velocity of the body.

Source - physics/p2/Body.js, line 1490

collidesWith :array

Array of CollisionGroups that this Bodies shapes collide with.

Source - physics/p2/Body.js, line 95

collideWorldBounds :boolean

A Body can be set to collide against the World bounds automatically if this is set to true. Otherwise it will leave the World. Note that this only applies if your World has bounds! The response to the collision should be managed via CollisionMaterials. Also note that when you set this it will only effect Body shapes that already exist. If you then add further shapes to your Body after setting this it will not proactively set them to collide with the bounds. Should the Body collide with the World bounds?

Source - physics/p2/Body.js, line 1748

damping :number

Damping is specified as a value between 0 and 1, which is the proportion of velocity lost per second. The linear damping acting on the body in the velocity direction.

Source - physics/p2/Body.js, line 1510

<internal> data :p2.Body

The p2 Body data.

Internal:

• This member is internal (protected) and may be modified or removed in the future.

Source - physics/p2/Body.js, line 59

debug :boolean

Enable or disable debug drawing of this body

Source - physics/p2/Body.js, line 1719

debugBody :Phaser.Physics.P2.BodyDebug

Reference to the debug body.

Source - physics/p2/Body.js, line 105

dynamic :boolean

Returns true if the Body is dynamic. Setting Body.dynamic to 'false' will make it static.

Source - physics/p2/Body.js, line 1340

fixedRotation :boolean

-

Source - physics/p2/Body.js, line 1531

force :Phaser.Physics.P2.InversePointProxy

The force applied to the body.

Source - physics/p2/Body.js, line 71

game :Phaser.Game

Local reference to game.

Source - physics/p2/Body.js, line 33

gravity :Phaser.Point

A locally applied gravity force to the Body. Applied directly before the world step. NOTE: Not currently implemented.

Source - physics/p2/Body.js, line 76

<readonly> id :number

The Body ID. Each Body that has been added to the World has a unique ID.

Source - physics/p2/Body.js, line 1704

inertia :number

The inertia of the body around the Z axis..

Source - physics/p2/Body.js, line 1554

kinematic :boolean

Returns true if the Body is kinematic. Setting Body.kinematic to 'false' will make it static.

Source - physics/p2/Body.js, line 1373

mass :number

-

Source - physics/p2/Body.js, line 1574

motionState :number

The type of motion this body has. Should be one of: Body.STATIC (the body does not move), Body.DYNAMIC (body can move and respond to collisions) and Body.KINEMATIC (only moves according to its .velocity).

Source - physics/p2/Body.js, line 1598

offset :Phaser.Point

The offset of the Physics Body from the Sprite x/y position.

Source - physics/p2/Body.js, line 53

onBeginContact :Phaser.Signal

Dispatched when a first contact is created between shapes in two bodies. This event is fired during the step, so collision has already taken place. The event will be sent 4 parameters: The body it is in contact with, the shape from this body that caused the contact, the shape from the contact body and the contact equation data array.

Source - physics/p2/Body.js, line 83

onEndContact :Phaser.Signal

Dispatched when contact ends between shapes in two bodies. This event is fired during the step, so collision has already taken place. The event will be sent 3 parameters: The body it is in contact with, the shape from this body that caused the contact and the shape from the contact body.

Source - physics/p2/Body.js, line 90

removeNextStep :boolean

To avoid deleting this body during a physics step, and causing all kinds of problems, set removeNextStep to true to have it removed in the next preUpdate.

Source - physics/p2/Body.js, line 100

rotation :number

The angle of the Body in radians. If you wish to work in degrees instead of radians use the Body.angle property instead. Working in radians is faster as it doesn't have to convert values. The angle of this Body in radians.

Source - physics/p2/Body.js, line 1621

sleepSpeedLimit :number

.

Source - physics/p2/Body.js, line 1644

sprite :Phaser.Sprite

Reference to the parent Sprite.

Source - physics/p2/Body.js, line 43

static :boolean

Returns true if the Body is static. Setting Body.static to 'false' will make it dynamic.

Source - physics/p2/Body.js, line 1307

type :number

The type of physics system this body belongs to.

Source - physics/p2/Body.js, line 48

velocity :Phaser.Physics.P2.InversePointProxy

The velocity of the body. Set velocity.x to a negative value to move to the left, position to the right. velocity.y negative values move up, positive move down.

Source - physics/p2/Body.js, line 66

world :Phaser.Physics.P2

Local reference to the P2 World.

Source - physics/p2/Body.js, line 38

x :number

The x coordinate of this Body.

Source - physics/p2/Body.js, line 1664

y :number

The y coordinate of this Body.

Source - physics/p2/Body.js, line 1684

Methods

addCapsule(length, radius, offsetX, offsetY, rotation) → {p2.Capsule}

Adds a Capsule shape to this Body. You can control the offset from the center of the body and the rotation.

Parameters:

Name	Type	Argument	Default	Description
length	number			The distance between the end points in pixels.
radius	number			Radius of the capsule in pixels.
offsetX	number	<optional>	0	Local horizontal offset of the shape relative to the body center of mass.
offsetY	number	<optional>	0	Local vertical offset of the shape relative to the body center of mass.
rotation	number	<optional>	0	Local rotation of the shape relative to the body center of mass, specified in radians.

Returns:

p2.Capsule -

The Capsule shape that was added to the Body.

Source - physics/p2/Body.js, line 919

addCircle(radius, offsetX, offsetY, rotation) → {p2.Circle}

Adds a Circle shape to this Body. You can control the offset from the center of the body and the rotation.

Parameters:

Name	Type	Argument	Default	Description
radius	number			The radius of this circle (in pixels)
offsetX	number	<optional>	0	Local horizontal offset of the shape relative to the body center of mass.
offsetY	number	<optional>	0	Local vertical offset of the shape relative to the body center of mass.
rotation	number	<optional>	0	Local rotation of the shape relative to the body center of mass, specified in radians.

Returns:

p2.Circle -

The Circle shape that was added to the Body.

Source - physics/p2/Body.js, line 828

addFixture(fixtureData) → {array}

Add a polygon fixture. This is used during #loadPolygon.

Parameters:

Name	Type	Description
fixtureData	string	The data for the fixture. It contains: isSensor, filter (collision) and the actual polygon shapes.

Returns:

array -

An array containing the generated shapes for the given polygon.

Source - physics/p2/Body.js, line 1155

addLine(length, offsetX, offsetY, rotation) → {p2.Line}

Adds a Line shape to this Body. The line shape is along the x direction, and stretches from [-length/2, 0] to [length/2,0]. You can control the offset from the center of the body and the rotation.

Parameters:

Name	Type	Argument	Default	Description
length	number			The length of this line (in pixels)
offsetX	number	<optional>	0	Local horizontal offset of the shape relative to the body center of mass.
offsetY	number	<optional>	0	Local vertical offset of the shape relative to the body center of mass.
rotation	number	<optional>	0	Local rotation of the shape relative to the body center of mass, specified in radians.

Returns:

p2.Line -

The Line shape that was added to the Body.

Source - physics/p2/Body.js, line 899

addParticle(offsetX, offsetY, rotation) → {p2.Particle}

Adds a Particle shape to this Body. You can control the offset from the center of the body and the rotation.

Parameters:

Name	Type	Argument	Default	Description
offsetX	number	<optional>	0	Local horizontal offset of the shape relative to the body center of mass.
offsetY	number	<optional>	0	Local vertical offset of the shape relative to the body center of mass.
rotation	number	<optional>	0	Local rotation of the shape relative to the body center of mass, specified in radians.

Returns:

p2.Particle -

The Particle shape that was added to the Body.

Source - physics/p2/Body.js, line 882

addPhaserPolygon(key, object)

Reads the shape data from a physics data file stored in the Game.Cache and adds it as a polygon to this Body. The shape data format is based on the custom phaser export in.

Parameters:

Name	Type	Description
key	string	The key of the Physics Data file as stored in Game.Cache.
object	string	The key of the object within the Physics data file that you wish to load the shape data from.

Source - physics/p2/Body.js, line 1118

addPlane(offsetX, offsetY, rotation) → {p2.Plane}

Adds a Plane shape to this Body. The plane is facing in the Y direction. You can control the offset from the center of the body and the rotation.

Parameters:

Name	Type	Argument	Default	Description
offsetX	number	<optional>	0	Local horizontal offset of the shape relative to the body center of mass.
offsetY	number	<optional>	0	Local vertical offset of the shape relative to the body center of mass.
rotation	number	<optional>	0	Local rotation of the shape relative to the body center of mass, specified in radians.

Returns:

p2.Plane -

The Plane shape that was added to the Body.

Source - physics/p2/Body.js, line 865

addPolygon(options, points) → {boolean}

Reads a polygon shape path, and assembles convex shapes from that and puts them at proper offset points. The shape must be simple and without holes. This function expects the x.y values to be given in pixels. If you want to provide them at p2 world scales then call Body.data.fromPolygon directly.

Parameters:

Name	Type	Description
options	object	An object containing the build options: Properties Name Type Argument Default Description optimalDecomp boolean <optional> false Set to true if you need optimal decomposition. Warning: very slow for polygons with more than 10 vertices. skipSimpleCheck boolean <optional> false Set to true if you already know that the path is not intersecting itself. removeCollinearPoints boolean | number <optional> false Set to a number (angle threshold value) to remove collinear points, or false to keep all points.
points	Array.<number> | number	An array of 2d vectors that form the convex or concave polygon. Either [[0,0], [0,1],...] or a flat array of numbers that will be interpreted as [x,y, x,y, ...], or the arguments passed can be flat x,y values e.g. setPolygon(options, x,y, x,y, x,y, ...) where x and y are numbers.

Returns:

boolean -

True on success, else false.

Source - physics/p2/Body.js, line 939

addRectangle(width, height, offsetX, offsetY, rotation) → {p2.Rectangle}

Adds a Rectangle shape to this Body. You can control the offset from the center of the body and the rotation.

Parameters:

Name	Type	Argument	Default	Description
width	number			The width of the rectangle in pixels.
height	number			The height of the rectangle in pixels.
offsetX	number	<optional>	0	Local horizontal offset of the shape relative to the body center of mass.
offsetY	number	<optional>	0	Local vertical offset of the shape relative to the body center of mass.
rotation	number	<optional>	0	Local rotation of the shape relative to the body center of mass, specified in radians.

Returns:

p2.Rectangle -

The Rectangle shape that was added to the Body.

Source - physics/p2/Body.js, line 846

addShape(shape, offsetX, offsetY, rotation) → {p2.Shape}

Add a shape to the body. You can pass a local transform when adding a shape, so that the shape gets an offset and an angle relative to the body center of mass. Will automatically update the mass properties and bounding radius.

Parameters:

Name	Type	Argument	Default	Description
shape	p2.Shape			The shape to add to the body.
offsetX	number	<optional>	0	Local horizontal offset of the shape relative to the body center of mass.
offsetY	number	<optional>	0	Local vertical offset of the shape relative to the body center of mass.
rotation	number	<optional>	0	Local rotation of the shape relative to the body center of mass, specified in radians.

Returns:

p2.Shape -

The shape that was added to the body.

Source - physics/p2/Body.js, line 804

addToWorld()

Adds this physics body to the world.

Source - physics/p2/Body.js, line 720

adjustCenterOfMass()

Moves the shape offsets so their center of mass becomes the body center of mass.

Source - physics/p2/Body.js, line 395

applyDamping(dt)

Apply damping, see http://code.google.com/p/bullet/issues/detail?id=74 for details.

Parameters:

Name	Type	Description
dt	number	Current time step.

Source - physics/p2/Body.js, line 406

applyForce(force, worldX, worldY)

Apply force to a world point. This could for example be a point on the RigidBody surface. Applying force this way will add to Body.force and Body.angularForce.

Parameters:

Name	Type	Description
force	Float32Array | Array	The force vector to add.
worldX	number	The world x point to apply the force on.
worldY	number	The world y point to apply the force on.

Source - physics/p2/Body.js, line 418

clearCollision(clearGroup, clearMask, shape)

Clears the collision data from the shapes in this Body. Optionally clears Group and/or Mask.

Parameters:

Name	Type	Argument	Default	Description
clearGroup	boolean	<optional>	true	Clear the collisionGroup value from the shape/s?
clearMask	boolean	<optional>	true	Clear the collisionMask value from the shape/s?
shape	p2.Shape	<optional>		An optional Shape. If not provided the collision data will be cleared from all Shapes in this Body.

Source - physics/p2/Body.js, line 295

clearShapes()

Removes all Shapes from this Body.

Source - physics/p2/Body.js, line 786

collides(group, callback, callbackContext, shape)

Adds the given CollisionGroup, or array of CollisionGroups, to the list of groups that this body will collide with and updates the collision masks.

Parameters:

Name	Type	Argument	Description
group	Phaser.Physics.CollisionGroup | array		The Collision Group or Array of Collision Groups that this Bodies shapes will collide with.
callback	function	<optional>	Optional callback that will be triggered when this Body impacts with the given Group.
callbackContext	object	<optional>	The context under which the callback will be called.
shape	p2.Shape	<optional>	An optional Shape. If not provided the collision mask will be added to all Shapes in this Body.

Source - physics/p2/Body.js, line 340

createBodyCallback(object, callback, callbackContext)

Sets a callback to be fired any time a shape in this Body impacts with a shape in the given Body. The impact test is performed against body.id values. The callback will be sent 4 parameters: This body, the body that impacted, the Shape in this body and the shape in the impacting body. Note that the impact event happens after collision resolution, so it cannot be used to prevent a collision from happening. It also happens mid-step. So do not destroy a Body during this callback, instead set safeDestroy to true so it will be killed on the next preUpdate.

Parameters:

Name	Type	Description
object	Phaser.Sprite | Phaser.TileSprite | Phaser.Physics.P2.Body | p2.Body	The object to send impact events for.
callback	function	The callback to fire on impact. Set to null to clear a previously set callback.
callbackContext	object	The context under which the callback will fire.

Source - physics/p2/Body.js, line 152

createGroupCallback(group, callback, callbackContext)

Sets a callback to be fired any time this Body impacts with the given Group. The impact test is performed against shape.collisionGroup values. The callback will be sent 4 parameters: This body, the body that impacted, the Shape in this body and the shape in the impacting body. This callback will only fire if this Body has been assigned a collision group. Note that the impact event happens after collision resolution, so it cannot be used to prevent a collision from happening. It also happens mid-step. So do not destroy a Body during this callback, instead set safeDestroy to true so it will be killed on the next preUpdate.

Parameters:

Name	Type	Description
group	Phaser.Physics.CollisionGroup	The Group to send impact events for.
callback	function	The callback to fire on impact. Set to null to clear a previously set callback.
callbackContext	object	The context under which the callback will fire.

Source - physics/p2/Body.js, line 192

destroy()

Destroys this Body and all references it holds to other objects.

Source - physics/p2/Body.js, line 759

getCollisionMask() → {number}

Gets the collision bitmask from the groups this body collides with.

Returns:

number -

The bitmask.

Source - physics/p2/Body.js, line 219

loadPolygon(key, object) → {boolean}

Reads the shape data from a physics data file stored in the Game.Cache and adds it as a polygon to this Body.

Parameters:

Name	Type	Description
key	string	The key of the Physics Data file as stored in Game.Cache.
object	string	The key of the object within the Physics data file that you wish to load the shape data from.

Returns:

boolean -

True on success, else false.

Source - physics/p2/Body.js, line 1227

moveBackward(speed)

Moves the Body backwards based on its current angle and the given speed. The speed is represented in pixels per second. So a value of 100 would move 100 pixels in 1 second (1000ms).

Parameters:

Name	Type	Description
speed	number	The speed at which it should move backwards.

Source - physics/p2/Body.js, line 545

moveDown(speed)

If this Body is dynamic then this will move it down by setting its y velocity to the given speed. The speed is represented in pixels per second. So a value of 100 would move 100 pixels in 1 second (1000ms).

Parameters:

Name	Type	Description
speed	number	The speed at which it should move down, in pixels per second.

Source - physics/p2/Body.js, line 635

moveForward(speed)

Moves the Body forwards based on its current angle and the given speed. The speed is represented in pixels per second. So a value of 100 would move 100 pixels in 1 second (1000ms).

Parameters:

Name	Type	Description
speed	number	The speed at which it should move forwards.

Source - physics/p2/Body.js, line 528

moveLeft(speed)

If this Body is dynamic then this will move it to the left by setting its x velocity to the given speed. The speed is represented in pixels per second. So a value of 100 would move 100 pixels in 1 second (1000ms).

Parameters:

Name	Type	Description
speed	number	The speed at which it should move to the left, in pixels per second.

Source - physics/p2/Body.js, line 596

moveRight(speed)

If this Body is dynamic then this will move it to the right by setting its x velocity to the given speed. The speed is represented in pixels per second. So a value of 100 would move 100 pixels in 1 second (1000ms).

Parameters:

Name	Type	Description
speed	number	The speed at which it should move to the right, in pixels per second.

Source - physics/p2/Body.js, line 609

moveUp(speed)

If this Body is dynamic then this will move it up by setting its y velocity to the given speed. The speed is represented in pixels per second. So a value of 100 would move 100 pixels in 1 second (1000ms).

Parameters:

Name	Type	Description
speed	number	The speed at which it should move up, in pixels per second.

Source - physics/p2/Body.js, line 622

<internal> postUpdate()

Internal method. This is called directly before the sprites are sent to the renderer and after the update function has finished.

Internal:

• This member is internal (protected) and may be modified or removed in the future.

Source - physics/p2/Body.js, line 664

<internal> preUpdate()

Internal method. This is called directly before the sprites are sent to the renderer and after the update function has finished.

Internal:

• This member is internal (protected) and may be modified or removed in the future.

Source - physics/p2/Body.js, line 648

removeFromWorld()

Removes this physics body from the world.

Source - physics/p2/Body.js, line 745

removeShape(shape) → {boolean}

Remove a shape from the body. Will automatically update the mass properties and bounding radius.

Parameters:

Name	Type	Description
shape	p2.Circle | p2.Rectangle | p2.Plane | p2.Line | p2.Particle	The shape to remove from the body.

Returns:

boolean -

True if the shape was found and removed, else false.

Source - physics/p2/Body.js, line 1005

reset(x, y, resetDamping, resetMass)

Resets the Body force, velocity (linear and angular) and rotation. Optionally resets damping and mass.

Parameters:

Name	Type	Argument	Default	Description
x	number			The new x position of the Body.
y	number			The new x position of the Body.
resetDamping	boolean	<optional>	false	Resets the linear and angular damping.
resetMass	boolean	<optional>	false	Sets the Body mass back to 1.

Source - physics/p2/Body.js, line 687

reverse(speed)

Applies a force to the Body that causes it to 'thrust' backwards (in reverse), based on its current angle and the given speed. The speed is represented in pixels per second. So a value of 100 would move 100 pixels in 1 second (1000ms).

Parameters:

Name	Type	Description
speed	number	The speed at which it should reverse.

Source - physics/p2/Body.js, line 579

rotateLeft(speed)

This will rotate the Body by the given speed to the left (counter-clockwise).

Parameters:

Name	Type	Description
speed	number	The speed at which it should rotate.

Source - physics/p2/Body.js, line 504

rotateRight(speed)

This will rotate the Body by the given speed to the left (clockwise).

Parameters:

Name	Type	Description
speed	number	The speed at which it should rotate.

Source - physics/p2/Body.js, line 516

setCircle(radius, offsetX, offsetY, rotation)

Clears any previously set shapes. Then creates a new Circle shape and adds it to this Body.

Parameters:

Name	Type	Argument	Default	Description
radius	number			The radius of this circle (in pixels)
offsetX	number	<optional>	0	Local horizontal offset of the shape relative to the body center of mass.
offsetY	number	<optional>	0	Local vertical offset of the shape relative to the body center of mass.
rotation	number	<optional>	0	Local rotation of the shape relative to the body center of mass, specified in radians.

Source - physics/p2/Body.js, line 1021

setCollisionGroup(group, shape)

Sets the given CollisionGroup to be the collision group for all shapes in this Body, unless a shape is specified. This also resets the collisionMask.

Parameters:

Name	Type	Argument	Description
group	Phaser.Physics.CollisionGroup		The Collision Group that this Bodies shapes will use.
shape	p2.Shape	<optional>	An optional Shape. If not provided the collision group will be added to all Shapes in this Body.

Source - physics/p2/Body.js, line 267

setMaterial(material, shape)

Adds the given Material to all Shapes that belong to this Body. If you only wish to apply it to a specific Shape in this Body then provide that as the 2nd parameter.

Parameters:

Name	Type	Argument	Description
material	Phaser.Physics.P2.Material		The Material that will be applied.
shape	p2.Shape	<optional>	An optional Shape. If not provided the Material will be added to all Shapes in this Body.

Source - physics/p2/Body.js, line 1080

setRectangle(width, height, offsetX, offsetY, rotation) → {p2.Rectangle}

Clears any previously set shapes. The creates a new Rectangle shape at the given size and offset, and adds it to this Body. If you wish to create a Rectangle to match the size of a Sprite or Image see Body.setRectangleFromSprite.

Parameters:

Name	Type	Argument	Default	Description
width	number	<optional>	16	The width of the rectangle in pixels.
height	number	<optional>	16	The height of the rectangle in pixels.
offsetX	number	<optional>	0	Local horizontal offset of the shape relative to the body center of mass.
offsetY	number	<optional>	0	Local vertical offset of the shape relative to the body center of mass.
rotation	number	<optional>	0	Local rotation of the shape relative to the body center of mass, specified in radians.

Returns:

p2.Rectangle -

The Rectangle shape that was added to the Body.

Source - physics/p2/Body.js, line 1038

setRectangleFromSprite(sprite) → {p2.Rectangle}

Clears any previously set shapes. Then creates a Rectangle shape sized to match the dimensions and orientation of the Sprite given. If no Sprite is given it defaults to using the parent of this Body.

Parameters:

Name	Type	Argument	Description
sprite	Phaser.Sprite | Phaser.Image	<optional>	The Sprite on which the Rectangle will get its dimensions.

Returns:

p2.Rectangle -

The Rectangle shape that was added to the Body.

Source - physics/p2/Body.js, line 1061

setZeroDamping()

Sets the Body damping and angularDamping to zero.

Source - physics/p2/Body.js, line 466

setZeroForce()

Sets the force on the body to zero.

Source - physics/p2/Body.js, line 432

setZeroRotation()

If this Body is dynamic then this will zero its angular velocity.

Source - physics/p2/Body.js, line 443

setZeroVelocity()

If this Body is dynamic then this will zero its velocity on both axis.

Source - physics/p2/Body.js, line 454

shapeChanged()

Updates the debug draw if any body shapes change.

Source - physics/p2/Body.js, line 1104

thrust(speed)

Applies a force to the Body that causes it to 'thrust' forwards, based on its current angle and the given speed. The speed is represented in pixels per second. So a value of 100 would move 100 pixels in 1 second (1000ms).

Parameters:

Name	Type	Description
speed	number	The speed at which it should thrust.

Source - physics/p2/Body.js, line 562

toLocalFrame(out, worldPoint)

Transform a world point to local body frame.

Parameters:

Name	Type	Description
out	Float32Array | Array	The vector to store the result in.
worldPoint	Float32Array | Array	The input world vector.

Source - physics/p2/Body.js, line 478

toWorldFrame(out, localPoint)

Transform a local point to world frame.

Parameters:

Name	Type	Description
out	Array	The vector to store the result in.
localPoint	Array	The input local vector.

Source - physics/p2/Body.js, line 491

updateCollisionMask(shape)

Updates the collisionMask.

Parameters:

Name	Type	Argument	Description
shape	p2.Shape	<optional>	An optional Shape. If not provided the collision group will be added to all Shapes in this Body.

Source - physics/p2/Body.js, line 243