Drawing

Drawing

The Drawing object is an implementation of the PlaceableObject container. Each Drawing is a placeable object in the DrawingsLayer.

Constructor

new Drawing()

Extends

Members

_controlled :boolean

Overrides:

An indicator for whether the object is currently controlled

Type:
  • boolean

_hover :boolean

Overrides:

An indicator for whether the object is currently a hover target

Type:
  • boolean

bounds

Overrides:

The bounding box for this PlaceableObject. This is required if the layer uses a Quadtree, otherwise it is optional

center :PIXI.Point

Overrides:

The central coordinate pair of the placeable object based on it's own width and height

Type:
  • PIXI.Point

controlIcon :ControlIcon

Overrides:

A control icon for interacting with the object

Type:

data :abstract.DocumentData

Overrides:

The underlying data object which provides the basis for this placeable object

Type:

document :abstract.Document

Overrides:

A reference to the Scene embedded Document instance which this object represents

Type:

drawing :PIXI.Container

The inner drawing container

Type:
  • PIXI.Container

embeddedName :string

Overrides:

Identify the official Document name for this PlaceableObject class

Type:
  • string

fov :PIXI.Circle

Overrides:

The field-of-vision polygon for the object, if it has been computed

Type:
  • PIXI.Circle

frame :PIXI.Container

The Graphics outer frame and handles

Type:
  • PIXI.Container

FREEHAND_SAMPLE_RATE :number

The rate at which points are sampled (in milliseconds) during a freehand drawing workflow

Type:
  • number

id :string

Overrides:

The id of the corresponding Document which this PlaceableObject represents.

Type:
  • string

isPolygon :boolean

A Boolean flag for whether or not the Drawing is a Polygon type (either linear or freehand)

Type:
  • boolean

isTiled :boolean

A Boolean flag for whether or not the Drawing utilizes a tiled texture background

Type:
  • boolean

layer :PIXI.Container

Overrides:

Provide a reference to the CanvasLayer which contains this PlaceableObject.

Type:
  • PIXI.Container

los :PointSourcePolygon|null

Overrides:

The line-of-sight polygon for the object, if it has been computed

Type:

mouseInteractionManager :MouseInteractionManager

Overrides:

A mouse interaction manager instance which handles mouse workflows related to this object.

Type:

scene :Scene

Overrides:

Retain a reference to the Scene within which this Placeable Object resides

Type:

shape :PIXI.Graphics

The primary drawing shape

Type:
  • PIXI.Graphics

sheet :FormApplication

Overrides:

A Form Application which is used to configure the properties of this Placeable Object or the Document it represents.

Type:

text :PIXI.Text

Text content, if included

Type:
  • PIXI.Text

vision :Object

Overrides:

Track the field of vision for the placeable object. This is necessary to determine whether a player has line-of-sight towards a placeable object or vice-versa

Type:
  • Object

Methods

(protected) _canConfigure()

Overrides:

Does the User have permission to configure the Placeable Object?

(protected) _canControl()

Overrides:

Does the User have permission to control the Placeable Object?

(protected) _canCreate()

Overrides:

Does the User have permission to create the underlying Document?

(protected) _canDelete()

Overrides:

Does the User have permission to delete the underlying Document?

(protected) _canDrag()

Overrides:

Does the User have permission to drag this Placeable Object?

(protected) _canHover()

Overrides:

Does the User have permission to hover on this Placeable Object?

(protected) _canHUD()

Overrides:

Can the User access the HUD for this Placeable Object?

(protected) _canUpdate()

Overrides:

Does the User have permission to update the underlying Document?

(protected) _canView()

Overrides:

Does the User have permission to view details of the Placeable Object?

_createDrawing()

Create the components of the drawing element, the drawing container, the drawn shape, and the overlay text

(protected) _createInteractionManager()

Overrides:

Create a standard MouseInteractionManager for the PlaceableObject

_getShiftedPosition(dx, dy) → {Object}

Overrides:

Obtain a shifted position for the Placeable Object

Parameters:
Name Type Description
dx number

The number of grid units to shift along the X-axis
dy number

The number of grid units to shift along the Y-axis
Returns:

The shifted target coordinates

Type
Object

_onClickLeft(event)

Overrides:
See:
  • MouseInteractionManager#_handleClickLeft

Callback actions which occur on a single left-click event to assume control of the object

Parameters:
Name Type Description
event PIXI.InteractionEvent

The triggering canvas interaction event

_onClickLeft2(event)

Overrides:
See:
  • MouseInteractionManager#_handleClickLeft2

Callback actions which occur on a double left-click event to activate

Parameters:
Name Type Description
event PIXI.InteractionEvent

The triggering canvas interaction event

_onClickRight(event)

Overrides:
See:
  • MouseInteractionManager#_handleClickRight

Callback actions which occur on a single right-click event to configure properties of the object

Parameters:
Name Type Description
event PIXI.InteractionEvent

The triggering canvas interaction event

_onClickRight2(event)

Overrides:
See:
  • MouseInteractionManager#_handleClickRight2

Callback actions which occur on a double right-click event to configure properties of the object

Parameters:
Name Type Description
event PIXI.InteractionEvent

The triggering canvas interaction event

(protected) _onControl(options)

Overrides:

Additional events which trigger once control of the object is established

Parameters:
Name Type Description
options Object

Optional parameters which apply for specific implementations

(protected) _onCreate()

Overrides:

Register pending canvas operations which should occur after a new PlaceableObject of this type is created

(protected) _onDelete()

Overrides:

Define additional steps taken when an existing placeable object of this type is deleted

_onDragLeftCancel(event)

Overrides:
See:
  • MouseInteractionManager#_handleDragCancel

Callback actions which occur on a mouse-move operation.

Parameters:
Name Type Description
event MouseEvent

The triggering mouse click event

(async) _onDragLeftDrop(event) → {Promise.<*>}

Overrides:
See:
  • MouseInteractionManager#_handleDragDrop

Callback actions which occur on a mouse-move operation.

Parameters:
Name Type Description
event PIXI.InteractionEvent

The triggering canvas interaction event
Returns:
Type
Promise.<*>

_onDragLeftMove(event)

Overrides:
See:
  • MouseInteractionManager#_handleDragMove

Callback actions which occur on a mouse-move operation.

Parameters:
Name Type Description
event PIXI.InteractionEvent

The triggering canvas interaction event

_onDragLeftStart(event)

Overrides:
See:
  • MouseInteractionManager#_handleDragStart

Callback actions which occur when a mouse-drag action is first begun.

Parameters:
Name Type Description
event PIXI.InteractionEvent

The triggering canvas interaction event

_onHoverIn(event, options)

Overrides:
See:
  • MouseInteractionManager#_handleMouseOver

Actions that should be taken for this Placeable Object when a mouseover event occurs

Parameters:
Name Type Description
event PIXI.InteractionEvent

The triggering canvas interaction event
options object

Options which customize event handling

Properties
Name Type Attributes Default Description
hoverOutOthers boolean <optional>
 true

Trigger hover-out behavior on sibling objects

_onHoverOut(event)

Overrides:
See:
  • MouseInteractionManager#_handleMouseOut

Actions that should be taken for this Placeable Object when a mouseout event occurs

Parameters:
Name Type Description
event PIXI.InteractionEvent

The triggering canvas interaction event

(protected) _onRelease(options)

Overrides:

Additional events which trigger once control of the object is released

Parameters:
Name Type Description
options Object

Options which modify the releasing workflow

(protected) _onUpdate()

Overrides:

Define additional steps taken when an existing placeable object of this type is updated with new data

_updateRotation(options) → {number}

Overrides:

Determine a new angle of rotation for a PlaceableObject either from an explicit angle or from a delta offset.

Parameters:
Name Type Description
options object

An object which defines the rotation update parameters

Properties
Name Type Attributes Default Description
angle number <optional>

An explicit angle, either this or delta must be provided
delta number <optional>
 0

A relative angle delta, either this or the angle must be provided
snap number <optional>
 0

A precision (in degrees) to which the resulting angle should snap. Default is 0.
Returns:

The new rotation angle for the object

Type
number

activateListeners()

Overrides:

Activate interactivity for the Placeable Object

can(user, action) → {boolean}

Overrides:

Test whether a user can perform a certain interaction with regards to a Placeable Object

Parameters:
Name Type Description
user User

The User performing the action
action string

The named action being attempted
Returns:

Does the User have rights to perform the action?

Type
boolean

clear() → {PlaceableObject}

Overrides:

Clear the display of the existing object

Returns:

The cleared object

Type
PlaceableObject

clone() → {PlaceableObject}

Overrides:

Clone the placeable object, returning a new object with identical attributes The returned object is non-interactive, and has no assigned ID If you plan to use it permanently you should call the create method

Returns:

A new object with identical data

Type
PlaceableObject

control(options) → {boolean}

Overrides:

Assume control over a PlaceableObject, flagging it as controlled and enabling downstream behaviors

Parameters:
Name Type Description
options Object

Additional options which modify the control request

Properties
Name Type Description
releaseOthers boolean

Release any other controlled objects first
Returns:

A flag denoting whether or not control was successful

Type
boolean

destroy()

Inherited From:

(async) draw() → {Promise.<PlaceableObject>}

Overrides:

Draw the placeable object into its parent container

Returns:

The drawn object

Type
Promise.<PlaceableObject>

refresh() → {PlaceableObject}

Overrides:

Refresh the current display state of the Placeable Object

Returns:

The refreshed object

Type
PlaceableObject

release(options) → {boolean}

Overrides:

Release control over a PlaceableObject, removing it from the controlled set

Parameters:
Name Type Description
options Object

Options which modify the releasing workflow
Returns:

A Boolean flag confirming the object was released.

Type
boolean

(async) rotate(angle, snap) → {Promise.<PlaceableObject>}

Overrides:

Rotate the PlaceableObject to a certain angle of facing

Parameters:
Name Type Description
angle number

The desired angle of rotation
snap number

Snap the angle of rotation to a certain target degree increment
Returns:

The rotated object

Type
Promise.<PlaceableObject>