using System.Collections;
using System.Collections.Generic;
using Cinemachine;
using TMPro;
using UnityEngine;

public class GameManager : MonoBehaviour
{
    public static float movespeed = 0f;
    public float acceleration = 5;

    public float maxspeed = 30f;
    public CinemachineVirtualCamera cam;

    public float minFov = 50;
    public float maxFov = 90;
    public float Distance;

    public float max_shake_ferquency = 2f;
    public float max_shake_amplitude = 0.08f;

    public TMP_Text txtSpeed;
    public TMP_Text txtDistance;
    public float FovRange => maxFov - minFov;
    void Start()
    {

    }

    // Update is called once per frame
    void FixedUpdate()
    {
        float input = Input.GetAxis("Vertical");
        movespeed += input * acceleration * Time.deltaTime;
        movespeed = Mathf.Clamp(movespeed, 0, maxspeed);

        float x = (FovRange / maxspeed) * movespeed;

        cam.m_Lens.FieldOfView = minFov + x;
        cam.GetCinemachineComponent<CinemachineBasicMultiChannelPerlin>().m_FrequencyGain = max_shake_ferquency * movespeed / maxspeed;
        cam.GetCinemachineComponent<CinemachineBasicMultiChannelPerlin>().m_AmplitudeGain = max_shake_amplitude * movespeed / maxspeed;
        float displaySpeed = movespeed * 2;

        txtSpeed.text = displaySpeed.ToString("n0") + " km/h";
        Distance += displaySpeed * Time.deltaTime / 3600;
        txtDistance.text = Distance.ToString("n2") + " km";

        float fontSize = Mathf.Lerp(10f, 15f, movespeed / maxspeed);
        txtSpeed.fontSize = fontSize;
        txtDistance.fontSize = fontSize;
    }

}