kotlin-cesium-engine/cesium.engine/VelocityOrientationProperty

VelocityOrientationProperty

external class VelocityOrientationProperty(position: PositionProperty? = definedExternally, ellipsoid: Ellipsoid? = definedExternally)(source)

A Property which evaluates to a Quaternion rotation based on the velocity of the provided PositionProperty.

//Create an entity with position and orientation.
const position = new SampledProperty();
position.addSamples(...);
const entity = viewer.entities.add({
  position : position,
  orientation : new VelocityOrientationProperty(position)
}));
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Parameters

position

The position property used to compute the orientation.

ellipsoid

The ellipsoid used to determine which way is up. Default value - Ellipsoid.default

See also

Constructors

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constructor(position: PositionProperty? = definedExternally, ellipsoid: Ellipsoid? = definedExternally)

Properties

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val definitionChanged: DefaultEvent

Gets the event that is raised whenever the definition of this property changes.

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var ellipsoid: Property?

Gets or sets the ellipsoid used to determine which way is up.

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val isConstant: Boolean

Gets a value indicating if this property is constant.

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var position: Property?

Gets or sets the position property used to compute orientation.

Functions

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fun getValue(time: JulianDate? = definedExternally, result: Quaternion? = definedExternally): Quaternion

Gets the value of the property at the provided time.