FadeEffect.cs

Go to the documentation of this file.

using System;
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;
 
namespace PixoVR.Core.Fade
{
    public class FadeEffect : MonoBehaviour
    {
        [SerializeField] private RawImage _fadeRawImage;
 
        public void Fade(FadeAction fadeAction,Action callback,Action centerCallback=null)
        {
            switch (fadeAction)
            {
                case FadeAction.FadeIn:
                    StartCoroutine(FadeIn(callback));
                    break;
                case FadeAction.FadeOut:
                    StartCoroutine(FadeOut(callback));
                    break;
                case FadeAction.FadeInAndOut:
                    StartCoroutine(FadeInAndOut(callback,centerCallback));
                    break;
                case FadeAction.FadeOutAndIn:
                    StartCoroutine(FadeOutAndIn(callback));
                    break;
            }
        }
 
        private IEnumerator FadeIn(Action callback)
        {
            for (float i = 0; i <= 1; i += Time.deltaTime)
            {
                _fadeRawImage.color = new Color(0, 0, 0, i);
                yield return null;
            }
            callback?.Invoke();
            _fadeRawImage.color = new Color(0, 0, 0, 1);
        }
 
        private IEnumerator FadeOut(Action callback)
        {
            for (float i = 1; i >= 0; i -= Time.deltaTime)
            {
                _fadeRawImage.color = new Color(0, 0, 0, i);
                yield return null;
            }
            callback?.Invoke();
            _fadeRawImage.color = new Color(0, 0, 0, 0);
        }
 
        private IEnumerator FadeInAndOut(Action callback,Action centerCallback)
        {
            for (float i = 0; i <= 1; i += Time.deltaTime)
            {
                _fadeRawImage.color = new Color(0, 0, 0, i);
                yield return null;
            }
            centerCallback?.Invoke();
            yield return new WaitForSeconds(1);
 
            for (float i = 1; i >= 0; i -= Time.deltaTime)
            {
                _fadeRawImage.color = new Color(0, 0, 0, i);
                yield return null;
            }
            _fadeRawImage.color = new Color(0, 0, 0, 0);
            callback?.Invoke();
        }
 
        private IEnumerator FadeOutAndIn(Action callback)
        {
            for (float i = 1; i >= 0; i -= Time.deltaTime)
            {
                _fadeRawImage.color = new Color(0, 0, 0, i);
                yield return null;
            }
            yield return new WaitForSeconds(1);
 
            for (float i = 0; i <= 1; i += Time.deltaTime)
            {
                _fadeRawImage.color = new Color(0, 0, 0, i);
                yield return null;
            }
            _fadeRawImage.color = new Color(0, 0, 0, 1);
            callback?.Invoke();
        }
    }
 
    public enum FadeAction
    {
        FadeIn,
        FadeOut,
        FadeInAndOut,
        FadeOutAndIn
    }
}