using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.Rendering.PostProcessing;

public class PostProcessingController : MonoBehaviour
{
    PostProcessVolume ppv;
    Bloom bloom;
    Grain grain;
    ColorGrading colorGrading;
    LensDistortion lensDistortion;
    Vignette vignette;
    DepthOfField depthOfField;
    PlayerController playerController;
    [SerializeField] private float maxDistance;
    private List<float> originalValues;



    void Start()
    {
        ppv = GetComponent<PostProcessVolume>();
        ppv.profile.TryGetSettings(out bloom);
        ppv.profile.TryGetSettings(out grain);
        ppv.profile.TryGetSettings(out colorGrading);
        ppv.profile.TryGetSettings(out vignette);
        ppv.profile.TryGetSettings(out depthOfField);
        ppv.profile.TryGetSettings(out lensDistortion);

        playerController = GameObject.FindGameObjectWithTag("Player").GetComponent<PlayerController>();
    }

    void Update()
    {
        UpdatePostProcessing(Vector3.Distance(playerController.transpassedCoordinate, playerController.transform.position));
    }
    public void UpdatePostProcessing(float distance)
    {
        if (playerController.transpassedCoordinate != Vector3.zero)
        {
            if (distance < maxDistance)
            {
                bloom.dirtIntensity.value = 30 * distance / maxDistance;
                grain.intensity.value = 1 * distance / maxDistance;
                lensDistortion.intensity.value = 40 * distance / maxDistance;
                vignette.intensity.value = 0.7f * distance / maxDistance;
                if (depthOfField.focusDistance.value <= 10 && distance != 0)
                    depthOfField.focusDistance.value = maxDistance / distance;
                else depthOfField.focusDistance.value = 10;
            }
        }
    }
}