@physion/app / Exports / CoreObject

Class: CoreObject

Serves as the base class for most classes in Physion.

CoreObject itself extends EventEmitter to allow notifying the outside world on important events.

Hierarchy

• EventEmitter

  ↳ CoreObject

  ↳↳ Asset

  ↳↳ Node

Constructors

constructor

• new CoreObject(): CoreObject

Constructs a new instance.

A unique CoreObject.id will be assigned to the newly created instance.

Returns

CoreObject

Overrides

EventEmitter.constructor

Properties

EVT_NAME_CHANGED

▪ Static Readonly EVT_NAME_CHANGED: "nameChanged"

The name of the event that is emitted whenever the name of this object changes.

The argument suplied is the new CoreObject.name of the object.

---

EVT_PROPERTY_CHANGED

▪ Static Readonly EVT_PROPERTY_CHANGED: "propertyChanged"

The name of the event that is emitted whenever a property of this object changes.

The arguments supplied are: (1) The name of the property that has changed and (2) the new value of that property.

---

ID_LENGTH

▪ Static Readonly ID_LENGTH: 12

---

MAX_NAME_LENGTH

▪ Static Readonly MAX_NAME_LENGTH: 128

Accessors

flags

• get flags(): CoreObjectFlags

Returns

CoreObjectFlags

---

id

• get id(): string

Object's (unique) id

Note that the id of the object cannot be set (it is automatically assigned upon construction)

Returns

string

---

metaObject

• get metaObject(): undefined | MetaObject

Returns the MetaObject that describes this class

Returns

undefined | MetaObject

---

name

• get name(): string

The object's name

The object's name is a free text value which defaults to an empty string.

Note that when the name of the object changes, the CoreObject.EVT_NAME_CHANGED signal will be emitted.

Returns

string

• set name(v): void

Parameters

Name	Type
v	string

Returns

void

Methods

getExtras

▸ getExtras(): any

Returns any extra data that this object needs to save during serialization.

In some cases an object might need to save some extra data without necessarily this extra data being part of its state (e.g. the AssetsLibrary of a Scene). In these cases subclasses can re-implement this method and return the data required.

The default implementation returns undefined meaning that no extra data needs to be saved during serialization.

Returns

any

---

getState

▸ getState(minified?): any

Returns this object's state

The object's state is an object containing key/value pairs corresponding to this object's properties. For example:

{
	id: "Ssba4ch5ruok",
	name: "Circle",
	radius: 2,
   // ...
}

To avoid including properties that are currently in their default value you can set minified = true when calling getState.

Note that read-only properties are not part of the object's state (with the exception of the id)

Parameters

Name	Type	Default value	Description
minified	boolean	false	Whether to return a minified state or not

Returns

any

---

setExtras

▸ setExtras(_x): boolean

Sets any extra data that this object needs during de-serialization.

Returns true on success, otherwise returns false.

The default implementation does nothing and returns true.

Parameters

Name	Type
_x	any

Returns

boolean

---

setFlag

▸ setFlag(flag, on?): void

Parameters

Name	Type	Default value
flag	CoreObjectFlags	undefined
on	boolean	true

Returns

void

---

setState

▸ setState(state, updateId?): boolean

Sets the object's state

Parameters

Name	Type	Default value	Description
state	any	undefined	The state to be set
updateId	boolean	true	Whether to also update the id property

Returns

boolean

True on success otherwise false

---

testFlag

▸ testFlag(flag): boolean

Parameters

Name	Type
flag	CoreObjectFlags

Returns

boolean