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  2. Model

Model

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  2. model

Model

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Models are container objects, meaning they hold objects and group objects together. They are best used to hold collections of BaseParts and have a number of functions that extend their functionality.

At their most basic level, Models allow developers to group selections of BaseParts together. This is particularly useful when building environments in Roblox Studio as it means the grouped parts can be moved and rotated together. When not storing collections of BaseParts it is recommended that developers use the Folder object, as they will not benefit from the additional functionality Models provide.

To access some of the extended functionality Models provide, the Model/PrimaryPart property needs to be set. This property points to the BasePart within the Model that is to be used when moving or otherwise manipulating the model.

Models have a wide range of applications, including being used for Roblox Player Characters. They also have a number of unique behaviors that are important to keep in mind when using them:

  • When a Humanoid and a Part named “Head” are parented under a model, a name-tag GUI will appear with the name of the model.

  • If a Part's position on the Y axis hits the Workspace/FallenPartsDestroyHeight value, and it was the last object inside of a Model, the Model will be destroyed as well.

Properties

ModelLevelOfDetail

LevelOfDetail

BasePart

PrimaryPart

Points to the Model's primary part. The part is the BasePart that is used as a basis when positioning the model using the Model/MoveTo and Model/SetPrimaryPartCFrame functions.

Inherited from Instance: Show Hide

bool

Archivable

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

ClassName

[ReadOnly] [NotReplicated]

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

DataCost

[ReadOnly] [NotReplicated] [Deprecated]

The cost of saving the instance using data persistence.
string

Name

A non-unique identifier of the Instance
Instance

Parent

Determines the hierarchical parent of the Instance
bool

RobloxLocked

[Deprecated]

A deprecated property that used to protect CoreGui objects
bool

archivable

[Hidden] [NotReplicated] [Deprecated]
string

className

[ReadOnly] [NotReplicated] [Deprecated]

Functions

void

BreakJoints ( )

Breaks connections between BaseParts, including surface connections with any adjacent parts, WeldConstraints and all Welds and other JointInstances.
Tuple

GetBoundingBox ( )

Returns a description of a volume that contains all parts of a Model
Vector3

GetExtentsSize ( )

Returns the size of the smallest bounding box that contains all of the BaseParts in the Model, aligned with the Model/PrimaryPart if it is set.
CFrame

GetModelCFrame ( )

[Deprecated]

This value historically returned the CFrame of a central position in the model. It has been deprecated as it did not provide reliable results.
Vector3

GetModelSize ( )

[Deprecated]

Returns the Vector3 size of the Model.
CFrame

GetPrimaryPartCFrame ( )

Returns the CFrame of the Model's Model/PrimaryPart. This function will throw an error if no primary part exists for the Model.
void

MakeJoints ( )

Goes through all BaseParts in the Model. If any part’s side has a SurfaceType that can make a joint it will create a joint with any adjacent parts
void

MoveTo ( Vector3 position )

Moves the Model/PrimaryPart to the given position. If a primary part has not been specified then the root part of the model will be used.
void

ResetOrientationToIdentity ( )

[Deprecated]

Resets the rotation of the model’s parts to the previously set identity rotation, which is done through the Model/SetIdentityOrientation method.
void

SetIdentityOrientation ( )

[Deprecated]

Sets the identity rotation of the given model, allowing you to reset the rotation of the entire model later, through the use of the ResetOrientationToIdentity method.
void

SetPrimaryPartCFrame ( CFrame cframe )

Sets the BasePart/CFrame of the Model's Model/PrimaryPart. All other parts in the model will also be moved and will maintain their orientation and offset respective to the Model/PrimaryPart. This function will throw an error if no Model/PrimaryPart exists for the model.
void

TranslateBy ( Vector3 delta )

Shifts a Model by the given Vector3 offset, preserving the Model's orientation. If another BasePart or Terrain already exists at the new position then the Model will overlap said object.
void

breakJoints ( )

[Deprecated]
void

makeJoints ( )

[Deprecated]
void

move ( Vector3 location )

[Deprecated]
void

moveTo ( Vector3 location )

[Deprecated]

Inherited from Instance: Show Hide

void

ClearAllChildren ( )

This function destroys all of an Instance's children.
Instance

Clone ( )

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

Destroy ( )

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

FindFirstAncestor ( string name )

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

FindFirstAncestorOfClass ( string className )

Returns the first ancestor of the Instance whose Instance/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

FindFirstChild ( string name , bool recursive )

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

FindFirstChildOfClass ( string className )

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

FindFirstChildWhichIsA ( string className , bool recursive )

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

GetAttribute ( string attribute )

Returns the attribute which has been assigned to the given name
RBXScriptSignal

GetAttributeChangedSignal ( string attribute )

Returns an event that fires when the given attribute changes
Dictionary

GetAttributes ( )

Returns a dictionary of string → variant pairs for each of the Instance|Instance’s attributes
Objects

GetChildren ( )

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

GetDebugId ( int scopeLength )

[NotBrowsable]

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

GetDescendants ( )

[CustomLuaState]

Returns an array containing all of the descendants of the instance
string

GetFullName ( )

Returns a string describing the Instance's ancestry.
RBXScriptSignal

GetPropertyChangedSignal ( string property )

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

IsA ( string className )

[CustomLuaState]

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

Remove ( )

[Deprecated]

Sets the object’s Parent to nil, and does the same for all its descendants.
void

SetAttribute ( string attribute , Variant value )

Sets the attribute with the given name to the given value
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.
Objects

children ( )

[Deprecated]

Returns an array of the object’s children.
Instance

clone ( )

[Deprecated]
void

destroy ( )

[Deprecated]
Instance

findFirstChild ( string name , bool recursive )

[Deprecated]
Objects

getChildren ( )

[Deprecated]
bool

isA ( string className )

[Deprecated] [CustomLuaState]
bool

isDescendantOf ( Instance ancestor )

[Deprecated]
void

remove ( )

[Deprecated]

Events

Inherited from Instance: Show Hide

RBXScriptSignal

AncestryChanged ( Instance child , Instance parent )

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

AttributeChanged ( string attribute )

Fires whenever an attribute is changed on the Instance
RBXScriptSignal

Changed ( string property )

[DetectingPropertyChanges]

Fired immediately after a property of an object changes.
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

DescendantRemoving ( Instance descendant )

Fires immediately before a descendant of the Instance is removed.
RBXScriptSignal

childAdded ( Instance child )

[Deprecated]

Code Samples

Basic Model Instantiation

The following sample includes a basic function that takes a table of objects and parents them into a new Model, returning that Model.

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