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BodyGyro

Show deprecated

BodyGyro

Show deprecated

The BodyGyro object applies a torque (or rotational force) on a BasePart such that it maintains a constant angular displacement, or orientation. This allows for the creation of parts that point in a certain direction, as if a real gyroscope were acting upon it. It is the rotational counterpart to a BodyPosition. If you would like to maintain a constant angular velocity, use a BodyAngularVelocity instead.

The BodyGyro/CFrame|CFrame property controls the goal orientation. Only the angular components of the DataType/CFrame are used - position will make no difference. BodyGyro/MaxTorque|MaxTorque limits the amount of angular force that may be applied. BodyGyro/P|P controls the power used in achieving the goal orientation. Finally, BodyGyro/D|D controls dampening behavior.

Setting the Orientation (CFrame)

Like all CFrame-type properties, the BodyGyro/CFrame property isn’t editable in the Properties window in Studio. Since there’s no physical component to a BodyGyro, you should use the Command bar or another scripting method to set the CFrame. A common technique used to set the goal orientation is to use a part’s present orientation: simply set the BodyGyro/CFrame to the Part’s BasePart/CFrame|CFrame. For example:

workspace.Part.BodyGyro.CFrame = workspace.Part.CFrame

You can also use a CFrame constructor which initializes rotation, such as: CFrame.fromAxisAngle, CFrame.fromEulerAnglesXYZ or CFrame.fromEulerAnglesYXZ. Beware of gimbal lock as you decide on the method and angles (in radians). Additionally, you could use CFrame.new(gyro.Parent.Position, targetPosition) in order to have the BodyGyro “look at” a targetPosition.

Troubleshooting

  • If your part isn’t moving at all, the assembly most likely has mass larger than what the BodyGyro can move. Try raising the BodyGyro/MaxTorque|MaxTorque and/or BodyGyro/P|P (power) properties. You should also check that no BasePart/Anchored|Anchored parts are within the assembly or in the way of the assembly.

  • If your part isn’t moving on all axes, double check the axis in question has sufficient BodyGyro/MaxTorque. Alternatively, if the part allows movement on an axis and shouldn’t, be sure the MaxTorque is nonzero on that axis and refine the manner in which you are setting the BodyGyro’s BodyGyro/CFrame|CFrame.

  • If your part is moving too quickly, consider raising the BodyGyro/D|D (dampening) property.

  • If your part is moving too slowly, consider lowering the BodyGyro/D|D (dampening) property. Also consider raising the BodyGyro/MaxTorque|MaxTorque and/or BodyGyro/P|P (power) properties.

Properties

CFrame

CFrame

Determines the target orientation (translational component ignored)

float

D

Determines the amount of dampening to use in reaching the goal BodyGyro/CFrame|CFrame

Vector3

MaxTorque

Determines the limit on how much torque that may be applied to each axis

float

P

Determines how aggressive of a torque is applied in reaching the goal orientation

Inherited from Instance: Show Hide

int

DataCost

[ReadOnly] [NotReplicated]

The cost of saving the instance using data persistence.

Instance

Parent

Determines the hierarchical parent of the Instance.

bool

RobloxLocked

If true, the Instance and its descendants cannot be indexed or edited by a Script or LocalScript and will throw an error if it is attempted.

string

ClassName

[ReadOnly] [NotReplicated]

A read-only string representing the class this Instance belongs to.

string

Name

A non-unique identifier of the Instance.

bool

Archivable

Determines if an Instance can be cloned using /Instance/Clone or saved to file.

Functions

Inherited from Instance: Show Hide

Objects

GetChildren ( )

Returns an array containing all of the Instance's children.

void

Destroy ( )

Sets the Instance/Parent property to nil, locks the Instance/Parent property, disconnects all connections and calls Destroy on all children.

Instance

FindFirstChild ( string name , bool recursive )

Returns the first child of the Instance found with the given name.

RBXScriptSignal

GetPropertyChangedSignal ( string property )

Get an event that fires when a given property of an object changes.

string

GetFullName ( )

Returns a string describing the Instance's ancestry.

Instance

FindFirstChildWhichIsA ( string className , bool recursive )

Returns the first child of the Instance for whom Instance/IsA returns true for the given className.

Array

GetDescendants ( )

[CustomLuaState]

Returns an array containing all of the Instance's descendants.

bool

IsAncestorOf ( Instance descendant )

Returns true if an Instance is an ancestor of the given descendant.

bool

IsDescendantOf ( Instance ancestor )

Returns true if an Instance is a descendant of the given ancestor.

Instance

FindFirstChildOfClass ( string className )

Returns the first child of the Instance whose Instance/ClassName|ClassName is equal to the given className.

Instance

FindFirstAncestorWhichIsA ( string className )

Returns the first ancestor of the Instance for whom Instance/IsA returns true for the given className.

Instance

FindFirstAncestorOfClass ( string className )

Returns the first ancestor of the Instance whose Instance/ClassName is equal to the given className.

Instance

FindFirstAncestor ( string name )

Returns the first ancestor of the Instance whose Instance/Name is equal to the given name.

bool

IsA ( string className )

Returns true if an Instance's class matches or inherits from a given class

Instance

WaitForChild ( string childName , double timeOut )

[CustomLuaState] [CanYield]

Returns the child of the Instance with the given name. If the child does not exist, it will yield the current thread until it does.

string

GetDebugId ( int scopeLength )

[NotBrowsable]

Returns a coded string of the Instances DebugId used internally by Roblox.

Instance

Clone ( )

Create a deep copy of a Roblox instance and descendants where Archivable = true.

void

ClearAllChildren ( )

This function destroys all of an Instance's children.

Events

Inherited from Instance: Show Hide

RBXScriptSignal

DescendantRemoving ( Instance descendant )

Fires immediately before a descendant of the Instance is removed.

RBXScriptSignal

AncestryChanged ( Instance child , Instance parent )

Fires when the Instance/Parent property of the object or one of its ancestors is changed.

RBXScriptSignal

ChildAdded ( Instance child )

Fires when an object is parented to this Instance.

RBXScriptSignal

ChildRemoved ( Instance child )

Fires when a child is removed from this Instance.

RBXScriptSignal

DescendantAdded ( Instance descendant )

Fires when a descendant is added to the Instance.

RBXScriptSignal

Changed ( string property )

Fired immediately after a property of an object changes.