rigidBody

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Synopsis

rigidBody([active=boolean], [angularVelocity=boolean], [applyForceAt=string], [bounciness=float], [cache=boolean], [centerOfMass=[float, float, float]], [collisions=boolean], [contactCount=boolean], [contactName=boolean], [contactPosition=boolean], [damping=float], [deleteCache=boolean], [dynamicFriction=float], [force=boolean], [ignore=boolean], [impulse=[float, float, float]], [impulsePosition=[float, float, float]], [initialAngularVelocity=[float, float, float]], [initialVelocity=[float, float, float]], [layer=int], [lockCenterOfMass=boolean], [mass=float], [name=string], [orientation=[float, float, float]], [particleCollision=boolean], [passive=boolean], [position=[float, float, float]], [solver=string], [spinImpulse=[float, float, float]], [standInObject=string], [staticFriction=float], [tesselationFactor=int], [velocity=boolean])

Note: Strings representing object names and arguments must be separated by commas. This is not depicted in the synopsis.

rigidBody is undoable, queryable, and editable.

Return value

In query mode, return type is based on queried flag.

Related

Flags

Long name (short name)	Argument types	Properties
name(n)	string
Assigns the rigid body the given name.
position(p)	[float, float, float]
Sets the initial position (x,y,z) of the rigid body. Default: current position.
orientation(o)	[float, float, float]
Sets the initial orientation (x,y,z) of the rigid body. Default: current orientation.
active(act)	boolean
Creates a rigid body that is active. An active rigid body accepts and causes collisions and is effected by dynamic fields. This is the default.
passive(pas)	boolean
Creates a rigid body that is passive. A passive rigid body does not react to collisions but active rigid bodies can collide with it. Dynamic Fields will not effect a passive rigid body. Only passive rigid bodies can be keyframed.
layer(l)	int
Sets the collision layer of the rigid body. Only rigid bodies in the same collision layer can collide with each other. Range: >= 0 Default: 0.
collisions(cl)	boolean
Truns collisions on/off for the rigid body. If the collisions are turned of the rigid body will not collide with any other rigid body. Default: on.
tesselationFactor(tf)	int
Sets the tesselation factor for a rigid body surface. Range: >= 10 Default: 200.
mass(m)	float
Sets the mass of the rigid body. Range: > 0 Default: 1.0
staticFriction(sf)	float
Sets the static friction for the rigid body. Range: 0.0 - 1.0 Default: 0.2
dynamicFriction(df)	float
Sets the dynamic friction for the rigid body. Range: 0.0 - 1.0 Default: 0.2
bounciness(b)	float
Sets the restitution (or bounciness) of the rigid body. Range: 0.0 - 2.0 Default: 0.6
damping(dp)	float
Sets the damping value of the rigid body. Range: -2.0 - 2.0 Default: 0.0
initialVelocity(iv)	[float, float, float]
Sets the initial velocity of the rigid body. Default: 0.0 0.0 0.0
initialAngularVelocity( iav)	[float, float, float]
Sets the initial angular velocity of the rigid body. Default: 0.0 0.0 0.0
centerOfMass(com)	[float, float, float]
Sets the center of mass (x,y,z) of the rigid body. Default: actual center of mass.
lockCenterOfMass(lcm)	boolean
Locks the center of mass for the rigid body. Default: off
cache(c)	boolean
Turns caching on (1) or off (0) for the rigid body. Default: off
deleteCache(dc)	boolean
Deletes the cache (if one exists) of the rigid body.
particleCollision(pc)	boolean
Turns the ability for a rigid body to collide with particles on and off. The particles will exert a force on the rigid body. Default: off
standInObject(sio)	string
Causes the simulator to use a stand in object for the simulation. The choices are none | cube | sphere. The default is none. Default: none
impulse(i)	[float, float, float]
Applies an impulse (instantaneous) force on a rigid body. Default: 0.0 0.0 0.0
impulsePosition(imp)	[float, float, float]
The position at which the impulse is applied. Default: the bodies center of mass.
spinImpulse(si)	[float, float, float]
Applies an spin impulse (instantaneous rotational) force on a rigid body. Default: 0.0 0.0 0.0
solver(slv)	string
The name of the solver which this rigid node is to resided. If the solver does not exists then the rigid body will not be created. If the edit flag is thrown add the solver exists, the rigid body will be moved to that solver.
ignore(ig)	boolean
Causes the rigid body to be ignored in the rigid solver. Default: off
applyForceAt(afa)	string
Determines how forces are applied to the rigid body. The choices are centerOfMass | boundingBox | verticesOrCVs. Default: boundingBox
velocity(vel)	boolean
Current velocity of rigid body.
angularVelocity(av)	boolean
Current angular velocity of rigid body.
force(f)	boolean
Current force on the rigid body.
contactCount(cc)	boolean
returns the current contact count for the rigid body.
contactPosition(cp)	boolean
returns all the contact position. One position for each contact will be returned.
contactName(cn)	boolean
returns all the rigid body names which are in contact with this shape. One name for each contact will be returned.

Flag can appear in Create mode of command	Flag can appear in Edit mode of command
Flag can appear in Query mode of command	Flag can have multiple arguments, passed either as a tuple or a list.

Python examples

import maya.cmds as cmds

# Creates a rigid body with a initial velocity of 10 in the x
# direction, a bounciness of 0.5 and a static friction coefficent
# of 0.4.
#
cmds.rigidBody( n='myRigidBody', active=True, iv=(10, 0, 0), b=0.5, sf=0.4 )