import { EventDispatcher , Vector3 } from "three" ; import * as axes from "../core/axes" ; /**
 * JSON representation of rotation settings.
 */ export interface RotationSettingsJSON { up : Vector3 ; pivotOffset : Vector3 ; minAzimuthalAngle : number ; maxAzimuthalAngle : number ; minPolarAngle : number ; maxPolarAngle : number ; invertedX : boolean ; invertedY : boolean ; sensitivityX : number ; sensitivityY : number ; damping : number ; } /**
 * Rotation settings.
 */ export class RotationSettings extends EventDispatcher { /**
     * The up vector. Must be normalized.
     */ private up : Vector3 ; /**
     * A pivot offset. Only affects third person orbiting.
     */ private pivotOffset : Vector3 ; /**
     * The minimum azimuthal angle in radians.
     */ private minAzimuthalAngle : number ; /**
     * The maximum azimuthal angle in radians.
     */ private maxAzimuthalAngle : number ; /**
     * The minimum polar angle in radians.
     */ private minPolarAngle : number ; /**
     * The maximum polar angle in radians.
     */ private maxPolarAngle : number ; /**
     * Indicates whether the horizontal rotation is inverted.
     */ private invertedX : boolean ; /**
     * Indicates whether the vertical rotation is inverted.
     */ private invertedY : boolean ; /**
     * The horizontal rotation sensitivity.
     */ private sensitivityX : number ; /**
     * The vertical rotation sensitivity.
     */ private sensitivityY : number ; /**
     * The damping factor. Range is [0.0, +Infinity]. Set to 0 to disable.
     */ private damping : number ; /**
     * Constructs new rotation settings.
     */ constructor ( ) { super ( ) ; this . up = new Vector3 ( ) ; this . up . copy ( axes . y ) ; this . pivotOffset = new Vector3 ( ) ; this . minAzimuthalAngle = Number . NEGATIVE_INFINITY ; this . maxAzimuthalAngle = Number . POSITIVE_INFINITY ; this . minPolarAngle = 0.0 ; this . maxPolarAngle = Math . PI ; this . invertedX = false ; this . invertedY = false ; this . sensitivityX = 1.0 ; this . sensitivityY = 1.0 ; this . damping = 0.0 ; } return getUpVector ( ) { return this . up ; } param value setUpVector ( value ) { this . up = value ; this . dispatchEvent ( { type : "change" } ) ; } return getPivotOffset ( ) { return this . pivotOffset ; } param value setPivotOffset ( value ) { this . pivotOffset = value ; this . dispatchEvent ( { type : "change" } ) ; } return getMinAzimuthalAngle ( ) { return this . minAzimuthalAngle ; } param value setMinAzimuthalAngle ( value ) { this . minAzimuthalAngle = value ; this . dispatchEvent ( { type : "change" } ) ; } return getMaxAzimuthalAngle ( ) { return this . maxAzimuthalAngle ; } param value setMaxAzimuthalAngle ( value ) { this . maxAzimuthalAngle = value ; this . dispatchEvent ( { type : "change" } ) ; } return getMinPolarAngle ( ) { return this . minPolarAngle ; } param value setMinPolarAngle ( value ) { this . minPolarAngle = value ; this . dispatchEvent ( { type : "change" } ) ; } return getMaxPolarAngle ( ) { return this . maxPolarAngle ; } param value setMaxPolarAngle ( value ) { this . maxPolarAngle = value ; this . dispatchEvent ( { type : "change" } ) ; } return isInvertedX ( ) { return this . invertedX ; } param value setInvertedX ( value ) { this . invertedX = value ; this . dispatchEvent ( { type : "change" } ) ; } return isInvertedY ( ) { return this . invertedY ; } param value setInvertedY ( value ) { this . invertedY = value ; this . dispatchEvent ( { type : "change" } ) ; } return getSensitivityX ( ) { return this . sensitivityX ; } param value setSensitivityX ( value ) { this . sensitivityX = value ; this . dispatchEvent ( { type : "change" } ) ; } return getSensitivityY ( ) { return this . sensitivityY ; } param value setSensitivityY ( value ) { this . sensitivityY = value ; this . dispatchEvent ( { type : "change" } ) ; } param value setSensitivity ( value ) { this . sensitivityX = this . sensitivityY = value ; this . dispatchEvent ( { type : "change" } ) ; } return getDamping ( ) { return this . damping ; } param value setDamping ( value ) { this . damping = value ; this . dispatchEvent ( { type : "change" } ) ; } param settings return copy ( settings ) { this . up . copy ( settings . getUpVector ( ) ) ; this . pivotOffset . copy ( settings . getPivotOffset ( ) ) ; this . minAzimuthalAngle = settings . getMinAzimuthalAngle ( ) ; this . maxAzimuthalAngle = settings . getMaxAzimuthalAngle ( ) ; this . minPolarAngle = settings . getMinPolarAngle ( ) ; this . maxPolarAngle = settings . getMaxPolarAngle ( ) ; this . invertedX = settings . isInvertedX ( ) ; this . invertedY = settings . isInvertedY ( ) ; this . sensitivityX = settings . getSensitivityX ( ) ; this . sensitivityY = settings . getSensitivityY ( ) ; this . damping = settings . getDamping ( ) ; return this ; } return clone ( ) { const clone = new RotationSettings ( ) ; return clone . copy ( this ) ; } param json return fromJSON ( json ) { this . up . copy ( json . up ) ; this . pivotOffset . copy ( json . pivotOffset ) ; this . minAzimuthalAngle = ( json . minAzimuthalAngle !== null ) ? json . minAzimuthalAngle : Number . NEGATIVE_INFINITY ; this . maxAzimuthalAngle = ( json . maxAzimuthalAngle !== null ) ? json . maxAzimuthalAngle : Number . POSITIVE_INFINITY ; this . minPolarAngle = ( json . minPolarAngle !== null ) ? json . minPolarAngle : Number . NEGATIVE_INFINITY ; this . maxPolarAngle = ( json . maxPolarAngle !== null ) ? json . maxPolarAngle : Number . POSITIVE_INFINITY ; this . invertedX = json . invertedX ; this . invertedY = json . invertedY ; this . sensitivityX = json . sensitivityX ; this . sensitivityY = json . sensitivityY ; this . damping = json . damping ; return this ; } toJSON ( ) { return { up : this . up , pivotOffset : this . pivotOffset , minAzimuthalAngle : this . minAzimuthalAngle , maxAzimuthalAngle : this . maxAzimuthalAngle , minPolarAngle : this . minPolarAngle , maxPolarAngle : this . maxPolarAngle , invertedX : this . invertedX , invertedY : this . invertedY , sensitivityX : this . sensitivityX , sensitivityY : this . sensitivityY , damping : this . damping } ; } }