57 lines
2.0 KiB
C#
57 lines
2.0 KiB
C#
using System.Collections;
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using UnityEngine;
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using BaseGames.Feedback;
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namespace BaseGames.VFX
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{
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/// <summary>
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/// 受伤闪白效果控制器。
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/// 通过 MaterialPropertyBlock 修改 SpriteRenderer 材质的 _FlashAmount 参数（0~1）；
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/// 对应 Shader 需暴露 _FlashColor 与 _FlashAmount 两个属性。
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/// 调用 Flash() 触发一次闪白动画（Coroutine 实现，不依赖 UniTask）。
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/// </summary>
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public class HurtFlashController : MonoBehaviour
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{
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[SerializeField] private SpriteRenderer _renderer;
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[SerializeField] private FeedbackConfigSO _config;
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private static readonly int FlashColorID = Shader.PropertyToID("_FlashColor");
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private static readonly int FlashAmountID = Shader.PropertyToID("_FlashAmount");
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private MaterialPropertyBlock _block;
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private Coroutine _flashCoroutine;
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private void Awake()
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{
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Debug.Assert(_config != null, "[HurtFlashController] _config 未赋值，请在 Inspector 中指定 FeedbackConfigSO。", this);
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if (_renderer == null)
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_renderer = GetComponent<SpriteRenderer>();
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_block = new MaterialPropertyBlock();
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}
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/// <summary>触发一次闪白动画。若上一次闪白未结束则重置计时器。</summary>
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public void Flash()
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{
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if (_flashCoroutine != null)
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StopCoroutine(_flashCoroutine);
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_flashCoroutine = StartCoroutine(FlashCoroutine());
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}
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private IEnumerator FlashCoroutine()
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{
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SetFlash(1f);
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yield return new WaitForSeconds(_config.HurtFlashDuration);
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SetFlash(0f);
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_flashCoroutine = null;
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}
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private void SetFlash(float amount)
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{
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_renderer.GetPropertyBlock(_block);
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_block.SetColor(FlashColorID, _config.HurtFlashColor);
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_block.SetFloat(FlashAmountID, amount);
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_renderer.SetPropertyBlock(_block);
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}
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}
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}
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