vendors/AlphaTab/PerformanceData.js

// File imports
import Pitch from "../ML5/PitchDetection/Pitch";

/**
 * @class
 * @classdesc Encapsulates performance data
 * @category AlphaTab
 * @author Daniel Griessler <dgriessler20@gmail.com>
 */
class PerformanceData {
    /**
     * Creates a PerformanceData object
     */
    constructor() {
        /**
         * TODO: Description
         */
        this.pitches = [];
    }

    /**
     * Clear the pitches from storage
     */
    clear() {
        this.pitches.length = 0;
    }

    /**
     * Creates a new pitch and stores it in the list of pitches
     * @param {Number} note Midi value to be stored in the list of values
     * @param {Number} time Time when the note was started
     */
    addPitch(note, time) {
        const EPSILON = 0.00001;
        try {
            if (this.pitches[this.pitches.length - 1].midival !== note) {
                if (
                    Math.abs(
                        this.pitches[this.pitches.length - 1].time - time
                    ) < EPSILON
                ) {
                    this.pitches[this.pitches.length - 1].midival = note;
                } else {
                    this.pitches.push(new Pitch(note, time));
                }
            }
        } catch (e) {
            this.pitches.push(new Pitch(note, time));
        }
    }
}

export default PerformanceData;