31 lines
625 B
JavaScript
31 lines
625 B
JavaScript
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import { Interpolant } from '../Interpolant.js';
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/**
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*
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* Interpolant that evaluates to the sample value at the position preceeding
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* the parameter.
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*
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* @author tschw
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*/
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function DiscreteInterpolant( parameterPositions, sampleValues, sampleSize, resultBuffer ) {
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Interpolant.call( this, parameterPositions, sampleValues, sampleSize, resultBuffer );
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}
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DiscreteInterpolant.prototype = Object.assign( Object.create( Interpolant.prototype ), {
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constructor: DiscreteInterpolant,
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interpolate_: function ( i1 /*, t0, t, t1 */ ) {
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return this.copySampleValue_( i1 - 1 );
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}
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} );
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export { DiscreteInterpolant };
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