using UnityEngine;
using Assets.WasapiAudio.Scripts.Unity;

public class LineController : TripsitterAve {
    public LineRenderer prefab;

    public int LineCount = 64;
    public float LineWidth = 0.5f;
    public float LineSpacing = 1.0f;

    private LineRenderer[] lines;
    private float AudioScale = 10;
    private float Power = 1.5f;
    private int z = 0;

    void Start() {
        lines = new LineRenderer[LineCount];

        for (int i = 0; i < LineCount; i++) {
            LineRenderer lineRenderer = GameObject.Instantiate(prefab);
            lineRenderer.transform.parent = transform;

            lineRenderer.widthMultiplier = LineWidth;
            lineRenderer.transform.Translate(0.0f, 0.0f, LineSpacing * 1.0f);
            lineRenderer.positionCount = SpectrumSize;
            lines[i] = lineRenderer;
        }
    }

    void Update() {
        var spectrumData = GetSpectrumData();

        LineRenderer line = lines[z];

        for (int i = 0; i < SpectrumSize; i++) {
            var audioScale = Mathf.Pow(spectrumData[i] * AudioScale, Power);
            var x = LineSpacing * i;
            line.SetPosition(i, new Vector3(x, audioScale, 0.0f));
        }

        z = (z + 1) % LineCount;
    }
}