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优化特效-溶解材质

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tianmo committed 2026-10-12 10:38:19 +08:00
1 parent 5d58cb3743
commit 5bf02177df
32 files changed
+6537 -8
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Assets/Shaders/Editor/UIMaskShaderGUI.cs
+137 -2
View File
@@ -1,5 +1,6 @@
using UnityEditor;
using UnityEngine;
using System.Collections.Generic;
// UIMask 的材质面板：分组折叠 + 中文标签。
// shader 里用 CustomEditor "UIMaskShaderGUI" 挂上这个类。
@@ -9,6 +10,9 @@ public class UIMaskShaderGUI : ShaderGUI
{
private const string FoldKeyPrefix = "UIMask.GUI.";
// 用来读取 shader 里声明的默认值（新建一个隐藏材质读它的初始值）
private static Material defaultsMaterial;
private class Group
{
public string Label;
@@ -45,7 +49,17 @@ public class UIMaskShaderGUI : ShaderGUI
{
Label = "溶解",
Toggle = "_UseDissolve",
Props = new[] { "_DissolveTex", "_DissolveChannel", "_Dissolve", "_DissolveWidth" }
Props = new[]
{
"_DissolveTex",
"_DissolveChannel",
"_Dissolve",
"_DissolveWidth",
"_DissolveEdgeColor",
"_DissolveEdgeSharpness",
"_DissolveHighlightColor",
"_DissolveHighlightWidth"
}
},
new Group
{
@@ -82,11 +96,15 @@ public class UIMaskShaderGUI : ShaderGUI
EditorGUILayout.BeginVertical(EditorStyles.helpBox);
EditorGUILayout.BeginHorizontal();
bool newExpanded = EditorGUILayout.Foldout(expanded, group.Label, true, EditorStyles.foldoutHeader);
GUILayout.FlexibleSpace();
if (toggle != null)
{
GUILayout.FlexibleSpace();
editor.ShaderProperty(toggle, GUIContent.none, 0);
}
if (GUILayout.Button(new GUIContent("重置", "把本组参数恢复为 shader 默认值"), EditorStyles.miniButton, GUILayout.Width(42f)))
{
ResetGroup(editor, props, group);
}
EditorGUILayout.EndHorizontal();
if (newExpanded != expanded)
@@ -104,6 +122,123 @@ public class UIMaskShaderGUI : ShaderGUI
EditorGUILayout.EndVertical();
}
// 把某一组的属性恢复成 shader 默认值（启用开关同时同步它的关键字）
private static void ResetGroup(MaterialEditor editor, MaterialProperty[] props, Group group)
{
Material sample = null;
foreach (Object target in editor.targets)
{
sample = target as Material;
if (sample != null)
{
break;
}
}
if (sample == null)
{
return;
}
if (defaultsMaterial == null || defaultsMaterial.shader != sample.shader)
{
if (defaultsMaterial != null)
{
Object.DestroyImmediate(defaultsMaterial);
}
defaultsMaterial = new Material(sample.shader) { hideFlags = HideFlags.HideAndDontSave };
}
Undo.RecordObjects(editor.targets, "Reset " + group.Label);
foreach (string name in EnumerateNames(group))
{
MaterialProperty prop = FindProperty(name, props, false);
if (prop == null || !defaultsMaterial.HasProperty(name))
{
continue;
}
switch (prop.type)
{
case MaterialProperty.PropType.Color:
prop.colorValue = defaultsMaterial.GetColor(name);
break;
case MaterialProperty.PropType.Vector:
prop.vectorValue = defaultsMaterial.GetVector(name);
break;
case MaterialProperty.PropType.Texture:
prop.textureValue = defaultsMaterial.GetTexture(name);
break;
default:
float value = defaultsMaterial.GetFloat(name);
prop.floatValue = value;
// 开关类属性（_UseXxx）要把关键字一起恢复，否则面板勾选和实际编译状态会对不上
if (name.StartsWith("_Use"))
{
SetKeyword(editor, KeywordOf(name), value > 0.5f);
}
break;
}
}
foreach (Object target in editor.targets)
{
EditorUtility.SetDirty(target);
}
}
private static IEnumerable<string> EnumerateNames(Group group)
{
if (!string.IsNullOrEmpty(group.Toggle))
{
yield return group.Toggle;
}
foreach (string row in group.Props)
{
int separator = row.IndexOf('|');
if (separator < 0)
{
yield return row;
}
else
{
yield return row.Substring(0, separator);
yield return row.Substring(separator + 1);
}
}
}
private static string KeywordOf(string propertyName)
{
string trimmed = propertyName.StartsWith("_") ? propertyName.Substring(1) : propertyName;
return "_" + trimmed.ToUpperInvariant() + "_ON";
}
private static void SetKeyword(MaterialEditor editor, string keyword, bool enabled)
{
foreach (Object target in editor.targets)
{
var material = target as Material;
if (material == null)
{
continue;
}
if (enabled)
{
material.EnableKeyword(keyword);
}
else
{
material.DisableKeyword(keyword);
}
}
}
// group.Props 里一项 = 一行；写 "A|B" 表示这两个单值属性并排在同一行
private static void DrawProps(MaterialEditor editor, MaterialProperty[] props, string[] rows)
{
Assets/Shaders/VFX.mat
+4
View File
@@ -114,6 +114,8 @@ Material:
- _DetailNormalMapScale: 1
- _Dissolve: 0
- _DissolveChannel: 3
- _DissolveEdgeSharpness: 2
- _DissolveHighlightWidth: 0.08
- _DissolveWidth: 0
- _Distortion: 0
- _DstBlend: 10
@@ -163,6 +165,8 @@ Material:
- _BaseColor: {r: 1, g: 1, b: 1, a: 1}
- _ClipRect: {r: -1, g: -1, b: 1, a: 1}
- _Color: {r: 1, g: 1, b: 1, a: 1}
- _DissolveEdgeColor: {r: 0, g: 0, b: 0, a: 1}
- _DissolveHighlightColor: {r: 0, g: 0, b: 0, a: 1}
- _EdgeColor: {r: 1, g: 1, b: 1, a: 1}
- _EmissionColor: {r: 0, g: 0, b: 0, a: 1}
- _MainTexTiling: {r: 1, g: 1, b: 0, a: 0}
Assets/Shaders/VFX.shader
+20 -1
View File
@@ -9,7 +9,7 @@
// Blend 是固定功能状态，不参与 shader 变体表，所以切换混合模式不产生额外变体。
// 面向美术：程序/技术类参数一律用 [HideInInspector] 隐藏（混合模式内部值、Stencil 组、
// 顶点 Mask 翻转），需要时由程序控制，材质面板只留艺术参数。
Shader "VFX/VFX" {
Shader "VFX/Yeomai_VFX" {
Properties {
[UIMaskBlendMode] _BlendMode ("混合模式", Float) = 0
[HideInInspector] _SrcBlend ("Src Blend", Float) = 5
@@ -38,6 +38,12 @@ Properties {
[UIMaskChannel] _DissolveChannel("通道", Float) = 3
_Dissolve ("溶解进度", Range(0, 1.01)) = 0
_DissolveWidth ("溶解宽度", Range(0, 1)) = 0
// 默认黑色 = 不叠加任何颜色，保证新参数不影响原有溶解效果
[HDR]_DissolveEdgeColor ("溶解边缘颜色", Color) = (0, 0, 0, 1)
_DissolveEdgeSharpness ("边缘锐度 (越大越细)", Range(0.001, 8)) = 2
// 第二层：贴边界的细亮圈（烧纸的燃烧边），同样默认黑色不影响原效果
[HDR]_DissolveHighlightColor ("溶解边缘高亮", Color) = (0, 0, 0, 1)
_DissolveHighlightWidth ("高亮宽度 (越小越细)", Range(0.001, 0.5)) = 0.08
[Toggle] _UseUIMaskClip("启用", Float) = 0
_ClipRect("裁切矩形 (由 Mask / RectMask2D 控制)", Vector) = (-1, -1, 1, 1)
[Toggle] _UseVertexMask("启用", Float) = 0
@@ -124,6 +130,10 @@ Category {
float _DissolveChannel;
fixed _Dissolve;
fixed _DissolveWidth;
fixed4 _DissolveEdgeColor;
fixed _DissolveEdgeSharpness;
fixed4 _DissolveHighlightColor;
fixed _DissolveHighlightWidth;
#endif
// 通道选择：0=R 1=G 2=B 3=A。用点乘取通道，避免动态分量索引（SM2.0 不支持）
@@ -244,6 +254,15 @@ Category {
fixed dissolveMap = UIMaskSampleChannel(_DissolveTex, i.texcoordDissolve, _DissolveChannel);
fixed dissolveAlpha = saturate(smoothstep( DissolveWithParticle, (DissolveWithParticle+_DissolveWidth), dissolveMap));
col.a *= dissolveAlpha;
// 溶解边缘色：越靠近溶解边界越亮。已溶解区域 alpha≈0 不可见，所以视觉上就是沿着溶解轮廓的一圈颜色。
// 做火焰时把颜色设成 HDR 橙红（用 HDR 拾色器的强度调亮），边缘就会像在燃烧。
fixed dissolveEdge = pow(1.0 - dissolveAlpha, _DissolveEdgeSharpness);
col.rgb += _DissolveEdgeColor.rgb * dissolveEdge;
// 细亮圈：只在溶解边界（dissolveAlpha ≈ 0.5）附近加亮，越靠近边界越亮，
// 宽度由 _DissolveHighlightWidth 控制；颜色用 HDR 拉高就是"烧得发白"的亮边。
fixed highlightBand = saturate(1.0 - abs(dissolveAlpha - 0.5) / max(_DissolveHighlightWidth, 0.0001));
col.rgb += _DissolveHighlightColor.rgb * smoothstep(0.0, 1.0, highlightBand);
#endif
#if _USEUIMASKCLIP_ON
Assets/Shaders/particle.mat
+191
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@@ -0,0 +1,191 @@
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Assets/Shaders/particle.mat.meta
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