Accueil / npm / three@0.186.1 / src / animation / tracks / QuaternionKeyframeTrack.js
QuaternionKeyframeTrack.js
import { KeyframeTrack } from '../KeyframeTrack.js';
import { QuaternionLinearInterpolant } from '../../math/interpolants/QuaternionLinearInterpolant.js';
/**
* A track for Quaternion keyframe values.
*
* @augments KeyframeTrack
*/
class QuaternionKeyframeTrack extends KeyframeTrack {
/**
* Constructs a new Quaternion keyframe track.
*
* @param {string} name - The keyframe track's name.
* @param {Array<number>} times - A list of keyframe times.
* @param {Array<number>} values - A list of keyframe values.
* @param {(InterpolateLinear|InterpolateDiscrete|InterpolateSmooth)} [interpolation] - The interpolation type.
*/
constructor( name, times, values, interpolation ) {
super( name, times, values, interpolation );
}
/**
* Overwritten so the method returns Quaternion based interpolant.
*
* @static
* @param {TypedArray} [result] - The result buffer.
* @return {QuaternionLinearInterpolant} The new interpolant.
*/
InterpolantFactoryMethodLinear( result ) {
return new QuaternionLinearInterpolant( this.times, this.values, this.getValueSize(), result );
}
}
/**
* The value type name.
*
* @type {string}
* @default 'quaternion'
*/
QuaternionKeyframeTrack.prototype.ValueTypeName = 'quaternion';
// ValueBufferType is inherited
// DefaultInterpolation is inherited;
QuaternionKeyframeTrack.prototype.InterpolantFactoryMethodSmooth = undefined;
export { QuaternionKeyframeTrack };