41 lines
1.0 KiB
JavaScript
41 lines
1.0 KiB
JavaScript
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import { InterpolateLinear } from '../../constants.js';
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import { KeyframeTrack } from '../KeyframeTrack.js';
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import { QuaternionLinearInterpolant } from '../../math/interpolants/QuaternionLinearInterpolant.js';
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/**
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*
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* A Track of quaternion keyframe values.
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*
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* @author Ben Houston / http://clara.io/
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* @author David Sarno / http://lighthaus.us/
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* @author tschw
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*/
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function QuaternionKeyframeTrack( name, times, values, interpolation ) {
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KeyframeTrack.call( this, name, times, values, interpolation );
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}
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QuaternionKeyframeTrack.prototype = Object.assign( Object.create( KeyframeTrack.prototype ), {
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constructor: QuaternionKeyframeTrack,
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ValueTypeName: 'quaternion',
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// ValueBufferType is inherited
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DefaultInterpolation: InterpolateLinear,
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InterpolantFactoryMethodLinear: function ( result ) {
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return new QuaternionLinearInterpolant( this.times, this.values, this.getValueSize(), result );
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},
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InterpolantFactoryMethodSmooth: undefined // not yet implemented
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} );
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export { QuaternionKeyframeTrack };
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