using System.Collections;
using System.Collections.Generic;
using UnityEngine.VFX;
using UnityEngine;

public class WavzController : MonoBehaviour
{

    public float bpm;
    public float beatsPerBar;
    public float barsPerPhrase;
    public float phraseLengthSec;
    public float min;
    public float max;

    private VisualEffect vfx;

    void Start() {
        vfx = gameObject.GetComponent<VisualEffect>();

        min = 0.5f;
        max = 128f;

        bpm = 120f;
        // assume 4 beats per bar * 8 bars per phrase
        beatsPerBar = 4.0f;
        barsPerPhrase = 8.0f;
        phraseLengthSec = (bpm / 60.0f) * beatsPerBar * barsPerPhrase;

        Debug.Log($"phrase length in seconds {phraseLengthSec}");
    }

    void Update() {
        float x = max * Mathf.Abs(Mathf.Sin(Time.time / phraseLengthSec)) + min;
        float y = max * Mathf.Abs(Mathf.Sin(    Time.time / (phraseLengthSec / 2))) + min;
        float z = max * Mathf.Abs(Mathf.Sin(Time.time / (phraseLengthSec / 3))) + min;
        vfx.SetFloat("AttractionSpeed", y);
        vfx.SetFloat("AttractionForce", y);
        vfx.SetFloat("StickDistance", z);
        vfx.SetFloat("StickForce", z);
    }

    public void SetStickiness(float v) {
        // vfx.SetFloat("StickDistance", z);
        // vfx.SetFloat("StickForce", z);
    }
}