61 lines
2.2 KiB
C#
61 lines
2.2 KiB
C#
// Assets/Scripts/World/Liquid/UnderwaterPostProcessingController.cs
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using System.Collections;
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using BaseGames.Core.Events;
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using UnityEngine;
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using UnityEngine.Rendering;
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namespace BaseGames.World.Liquid
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{
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public class UnderwaterPostProcessingController : MonoBehaviour
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{
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[SerializeField] private Volume _underwaterVolume; // 水下专属 Volume（WeightMode）
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[SerializeField] private float _blendInDuration = 0.3f;
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[SerializeField] private float _blendOutDuration = 0.3f;
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[SerializeField] private LiquidEventChannelSO _onLiquidEntered; // EVT_LiquidEntered
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[SerializeField] private LiquidEventChannelSO _onLiquidExited; // EVT_LiquidExited
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private Coroutine _blendCoroutine;
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private readonly CompositeDisposable _subs = new();
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private void OnEnable()
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{
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_onLiquidEntered?.Subscribe(OnLiquidEntered).AddTo(_subs);
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_onLiquidExited?.Subscribe(OnLiquidExited).AddTo(_subs);
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}
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private void OnDisable() => _subs.Clear();
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private void OnLiquidEntered(LiquidEvent evt)
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{
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if (evt.LiquidType != LiquidType.Water) return;
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BlendVolume(1f, _blendInDuration);
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}
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private void OnLiquidExited(LiquidEvent evt)
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{
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if (evt.LiquidType != LiquidType.Water) return;
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BlendVolume(0f, _blendOutDuration);
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}
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private void BlendVolume(float target, float duration)
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{
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if (_blendCoroutine != null) StopCoroutine(_blendCoroutine);
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_blendCoroutine = StartCoroutine(BlendRoutine(target, duration));
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}
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private IEnumerator BlendRoutine(float target, float duration)
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{
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if (_underwaterVolume == null) yield break;
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float start = _underwaterVolume.weight;
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float elapsed = 0f;
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while (elapsed < duration)
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{
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elapsed += Time.deltaTime;
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_underwaterVolume.weight = Mathf.Lerp(start, target, elapsed / duration);
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yield return null;
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}
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_underwaterVolume.weight = target;
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}
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}
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}
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