85 lines
2.5 KiB
C#
85 lines
2.5 KiB
C#
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using System.Collections.Generic;
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using UnityEngine;
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public class MaterialAlphaHub : MonoBehaviour
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{
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// 注：Unity不支持运行时获得全部属性名称，因此需要编辑器脚本来初始化这个列表
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public RendererAlphaData[] rendererAlphaDatas;
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public float alphaRatio = 1f;
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private float _lastAlphaRatio;
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private void Awake()
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{
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_lastAlphaRatio = alphaRatio;
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}
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private void Start()
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{
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SetCurrentRatio();
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}
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private void LateUpdate()
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{
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if (_lastAlphaRatio != alphaRatio)
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{
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_lastAlphaRatio = alphaRatio;
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SetCurrentRatio();
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}
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}
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private void SetCurrentRatio()
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{
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for (var i = 0; i < rendererAlphaDatas.Length; i++)
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rendererAlphaDatas[i].SetMaterialAlpha(alphaRatio);
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}
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[System.Serializable]
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// 注：这个类实例仅能使用编辑器代码构造
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public class RendererAlphaData
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{
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public Renderer renderer;
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public MaterialAlphaData[] materialDatas;
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public void SetMaterialAlpha(float ratio)
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{
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// 注：以materialDatas记录数量为准，实际翅膀会额外添加XRay材质
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for (var i = 0; i < materialDatas.Length; i++)
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materialDatas[i].SetMaterialAlpha(renderer.materials[i], ratio);
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}
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}
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// 注：这个类实例仅能使用编辑器代码构造
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[System.Serializable]
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public class MaterialAlphaData
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{
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public List<PropertyAlphaData> parameterList = new List<PropertyAlphaData>();
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public void SetMaterialAlpha(Material material, float ratio)
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{
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for (var i = 0; i < parameterList.Count; i++)
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{
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// 注：考虑到实际操作中，可能有颜色变化问题，因此每一帧都重新取得RGB值
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var color = material.GetColor(parameterList[i].NameId);
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color.a = parameterList[i].alpha * ratio;
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material.SetColor(parameterList[i].NameId, color);
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}
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}
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}
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// 注：Unity不支持泛型序列化，因此不能使用KeyValue和MyTuple
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[System.Serializable]
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public struct PropertyAlphaData
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{
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public int NameId
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{
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get
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{
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if (_nameId == null)
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_nameId = Shader.PropertyToID(name);
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return _nameId.Value;
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}
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}
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private int? _nameId;
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public string name;
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public float alpha;
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}
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}
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