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

public class Small_Rings : MonoBehaviour {

    public AnimationCurve FrontRingCurve;
    public float TimeEval;

    public GameObject FrontRing;
    public GameObject RearRing;

    public double AddSpeed;

    public GameObject[] Rings;

    public float Front_OldAngle;
    public float FrontAngleAdd;

    public ConstantForce RearForce;

    public bool AddRandomForce;

    // Update is called once per frame
    void Update ()
    {
        int i = 0;
        foreach (GameObject Ring in Rings)
        {
            i++;
            //Ring.transform.localEulerAngles = new Vector3(Mathf.Lerp(FrontRing.transform.localEulerAngles.x, RearRing.transform.localEulerAngles.x, i * 0.1f), 90, 90);
            Ring.transform.localRotation = Quaternion.Slerp(FrontRing.transform.rotation, RearRing.transform.rotation, i * 0.1f);
        }

        RearForce.relativeTorque = new Vector3(0, 0, 0);

        if (TimeEval < 1)
            TimeEval += Time.deltaTime * 2;
        if (TimeEval > 1)
            TimeEval = 1;

        FrontRing.transform.localEulerAngles = new Vector3(FrontRingCurve.Evaluate(TimeEval), 90, 90);

        if (AddRandomForce && TimeEval >= 1)
        {
            AddRandomForce = false;
            AddForce();
        }
    }

    public void AddForce()
    {
        int RandomNumber = Random.Range(0, 5);
        Front_OldAngle = FrontRing.transform.localRotation.eulerAngles.x;
        switch (RandomNumber)
        {
            case 0:
                FrontAngleAdd = -45;
                break;
            case 1:
                FrontAngleAdd = -45;
                break;
            case 2:
                FrontAngleAdd = 0;
                break;
            case 3:
                FrontAngleAdd = 45;
                break;
            case 4:
                FrontAngleAdd = 45;
                break;
        }
        FrontRingCurve = AnimationCurve.EaseInOut(0, Front_OldAngle, 1, Front_OldAngle + FrontAngleAdd);
        TimeEval = 0;
        float ran = Random.Range(-5, 5);
        if (ran < 1 && ran > -1)
        {
            ran = Random.Range(-5, 5);
        }
        RearForce.relativeTorque = new Vector3(0, ran * 100);
    }
}