main.cesium.QuaternionSpline.kt Maven / Gradle / Ivy
// Automatically generated - do not modify!
@file:Suppress(
"NON_EXTERNAL_DECLARATION_IN_INAPPROPRIATE_FILE",
)
package cesium
/**
* A spline that uses spherical linear (slerp) interpolation to create a quaternion curve.
* The generated curve is in the class C1.
* @see Online Documentation
*/
@JsName("\$cesium__QuaternionSpline")
external class QuaternionSpline(options: ConstructorOptions) {
/**
* @property [times] An array of strictly increasing, unit-less, floating-point times at each point.
* The values are in no way connected to the clock time. They are the parameterization for the curve.
* @property [points] The array of [Quaternion] control points.
*/
interface ConstructorOptions {
var times: Array
var points: Array
}
/**
* An array of times for the control points.
* @see Online Documentation
*/
val times: Array
/**
* An array of [Quaternion] control points.
* @see Online Documentation
*/
val points: Array
/**
* Finds an index `i` in `times` such that the parameter
* `time` is in the interval `[times[i], times[i + 1]]`.
* @param [time] The time.
* @return The index for the element at the start of the interval.
* @see Online Documentation
*/
fun findTimeInterval(time: Double): Int
/**
* Wraps the given time to the period covered by the spline.
* @param [time] The time.
* @return The time, wrapped around to the updated animation.
* @see Online Documentation
*/
fun wrapTime(time: Double): Double
/**
* Clamps the given time to the period covered by the spline.
* @param [time] The time.
* @return The time, clamped to the animation period.
* @see Online Documentation
*/
fun clampTime(time: Double): Double
/**
* Evaluates the curve at a given time.
* @param [time] The time at which to evaluate the curve.
* @param [result] The object onto which to store the result.
* @return The modified result parameter or a new instance of the point on the curve at the given time.
* @see Online Documentation
*/
fun evaluate(
time: Double,
result: Quaternion? = definedExternally,
): Quaternion
}