shader修改

Assets/Scenes/Start.unity

@@ -806,8 +806,8 @@ ParticleSystemRenderer:
   m_AllowRoll: 1
   m_FreeformStretching: 0
   m_RotateWithStretchDirection: 1
-  m_UseCustomVertexStreams: 0
-  m_VertexStreams: 00010304
+  m_UseCustomVertexStreams: 1
+  m_VertexStreams: 000103041f
   m_UseCustomTrailVertexStreams: 0
   m_TrailVertexStreams: 00010304
   m_Mesh: {fileID: 0}
@@ -827,7 +827,7 @@ ParticleSystem:
   m_PrefabAsset: {fileID: 0}
   m_GameObject: {fileID: 1446505801}
   serializedVersion: 8
-  lengthInSec: 5
+  lengthInSec: 1.2
   simulationSpeed: 1
   stopAction: 0
   cullingMode: 0
@@ -902,7 +902,7 @@ ParticleSystem:
     startLifetime:
       serializedVersion: 2
       minMaxState: 0
-      scalar: 5
+      scalar: 2
       minScalar: 5
       maxCurve:
         serializedVersion: 2
@@ -5031,8 +5031,8 @@ ParticleSystem:
         m_NumColorKeys: 2
         m_NumAlphaKeys: 2
   CustomDataModule:
-    enabled: 0
-    mode0: 0
+    enabled: 1
+    mode0: 1
     vectorComponentCount0: 4
     color0:
       serializedVersion: 2
@@ -5102,8 +5102,8 @@ ParticleSystem:
     colorLabel0: Color
     vector0_0:
       serializedVersion: 2
-      minMaxState: 0
-      scalar: 0
+      minMaxState: 1
+      scalar: 1
       minScalar: 0
       maxCurve:
         serializedVersion: 2
@@ -5111,18 +5111,18 @@ ParticleSystem:
         - serializedVersion: 3
           time: 0
           value: 0
-          inSlope: 0
-          outSlope: 0
-          tangentMode: 0
+          inSlope: 35.363636
+          outSlope: 1
+          tangentMode: 69
           weightedMode: 0
-          inWeight: 0.33333334
+          inWeight: 0
           outWeight: 0.33333334
         - serializedVersion: 3
           time: 1
-          value: 0
-          inSlope: 0
+          value: 1
+          inSlope: 1
           outSlope: 0
-          tangentMode: 0
+          tangentMode: 69
           weightedMode: 0
           inWeight: 0.33333334
           outWeight: 0.33333334

Assets/Shaders/Editor/UIMaskDrawers.cs

@@ -99,3 +99,105 @@ public class UIMaskChannel : UIMaskEnumDrawer
         // 下拉框的值本身就是要采样的通道号，无需同步到别的属性
     }
 }
+
+// 通用模块：粒子自定义数据通道下拉框（shader 里写 [CustomDataChannel]）
+// 选项 9 项：null / Custom1.xyzw / Custom2.xyzw；值 0=null，1~4=Custom1，5~8=Custom2
+// 右侧会提示该通道是否已被同一材质上的其它参数占用
+//（约定：属性名里含 "CustomChannel" 的都会被统计，以后新增参数只要按这个命名即可自动纳入）
+// shader 侧配套函数：CustomDataChannelValue(custom1, custom2, channel) → 取对应通道的值
+public class CustomDataChannel : MaterialPropertyDrawer
+{
+    private static readonly string[] Items =
+    {
+        "null",
+        "Custom1.x", "Custom1.y", "Custom1.z", "Custom1.w",
+        "Custom2.x", "Custom2.y", "Custom2.z", "Custom2.w"
+    };
+
+    private const float HintWidth = 150f;
+
+    public override float GetPropertyHeight(MaterialProperty prop, string label, MaterialEditor editor)
+    {
+        return EditorGUIUtility.singleLineHeight;
+    }
+
+    public override void OnGUI(Rect position, MaterialProperty prop, string label, MaterialEditor editor)
+    {
+        Rect popupRect = new Rect(position.x, position.y, Mathf.Max(60f, position.width - HintWidth - 4f), position.height);
+        Rect hintRect = new Rect(position.xMax - HintWidth, position.y, HintWidth, position.height);
+
+        int index = Mathf.Clamp(Mathf.RoundToInt(prop.floatValue), 0, Items.Length - 1);
+
+        EditorGUI.BeginChangeCheck();
+        EditorGUI.showMixedValue = prop.hasMixedValue;
+        index = EditorGUI.Popup(popupRect, label, index, Items);
+        EditorGUI.showMixedValue = false;
+        if (EditorGUI.EndChangeCheck())
+        {
+            prop.floatValue = index;
+        }
+
+        bool occupied;
+        string hint = DescribeOccupation(editor, prop, index, out occupied);
+        var hintContent = new GUIContent(hint, "数据来自粒子系统的「自定义数据」模块；"
+            + "还需要在粒子渲染器的「自定义顶点流」里按 UV、Custom1.xyzw、Custom2.xyzw 的顺序勾选对应通道。");
+
+        Color oldColor = GUI.color;
+        if (index == 0)
+        {
+            GUI.color = new Color(0.7f, 0.7f, 0.7f);
+        }
+        else
+        {
+            GUI.color = occupied ? new Color(1f, 0.72f, 0.25f) : new Color(0.55f, 0.85f, 0.55f);
+        }
+        EditorGUI.LabelField(hintRect, hintContent, EditorStyles.miniLabel);
+        GUI.color = oldColor;
+    }
+
+    private static string DescribeOccupation(MaterialEditor editor, MaterialProperty prop, int index, out bool occupied)
+    {
+        occupied = false;
+
+        if (index == 0)
+        {
+            return "未使用";
+        }
+
+        var material = editor.targets.Length > 0 ? editor.targets[0] as Material : null;
+        if (material == null)
+        {
+            return string.Empty;
+        }
+
+        Shader shader = material.shader;
+        int count = ShaderUtil.GetPropertyCount(shader);
+        var owners = new System.Collections.Generic.List<string>();
+
+        for (int i = 0; i < count; i++)
+        {
+            string name = ShaderUtil.GetPropertyName(shader, i);
+            if (name == prop.name || !name.Contains("CustomChannel"))
+            {
+                continue;
+            }
+            if (!material.HasProperty(name) || Mathf.RoundToInt(material.GetFloat(name)) != index)
+            {
+                continue;
+            }
+
+            string description = ShaderUtil.GetPropertyDescription(shader, i);
+            owners.Add(string.IsNullOrEmpty(description) ? name : description);
+        }
+
+        if (owners.Count == 0)
+        {
+            return "未占用";
+        }
+
+        occupied = true;
+        return owners.Count == 1
+            ? "已被 " + owners[0] + " 占用"
+            : "已被 " + owners[0] + " 等 " + owners.Count + " 处占用";
+    }
+}

Assets/Shaders/Editor/UIMaskShaderGUI.cs

@@ -55,6 +55,7 @@ public class UIMaskShaderGUI : ShaderGUI
                 "_DissolveChannel",
                 "_Dissolve",
                 "_DissolveWidth",
+                "_DissolveCustomChannel",
                 "_DissolveEdgeColor",
                 "_DissolveEdgeSharpness",
                 "_DissolveHighlightColor",

Assets/Shaders/VFX.shader

@@ -38,6 +38,7 @@ 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
+    [CustomDataChannel] _DissolveCustomChannel ("自定义数据通道", Float) = 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
@@ -130,6 +131,7 @@ Category {
                 float _DissolveChannel;
                 fixed _Dissolve;
                 fixed _DissolveWidth;
+                float _DissolveCustomChannel;
                 fixed4 _DissolveEdgeColor;
                 fixed _DissolveEdgeSharpness;
                 fixed4 _DissolveHighlightColor;
@@ -144,6 +146,15 @@ Category {
                 return dot(c, w);
             }
 
+            // 通用模块：按通道号取粒子自定义数据（供"自定义数据通道"下拉框使用）
+            // channel: 0 = null（返回 0），1~4 = Custom1.xyzw，5~8 = Custom2.xyzw
+            inline float CustomDataChannelValue(float4 custom1, float4 custom2, float channel)
+            {
+                float4 w1 = 1.0 - saturate(abs(channel - float4(1.0, 2.0, 3.0, 4.0)));
+                float4 w2 = 1.0 - saturate(abs(channel - float4(5.0, 6.0, 7.0, 8.0)));
+                return dot(custom1, w1) + dot(custom2, w2);
+            }
+
             #if _USEUIMASKCLIP_ON
                 fixed4 _ClipRect;
             #endif
@@ -156,7 +167,10 @@ Category {
             struct appdata_t {
                 float4 vertex : POSITION;
                 fixed4 color : COLOR;
-                fixed4 texcoord : TEXCOORD0;
+                // 顶点流约定（渲染器 → 自定义顶点流，按此顺序）：UV, Custom1.xyzw, Custom2.xyzw
+                float4 texcoord : TEXCOORD0;    // UV.xy + Custom1.xy
+                float4 texcoord1 : TEXCOORD1;   // Custom1.zw + Custom2.xy
+                float4 texcoord2 : TEXCOORD2;   // Custom2.zw
                 UNITY_VERTEX_INPUT_INSTANCE_ID
             };
 
@@ -165,6 +179,9 @@ Category {
                 fixed4 color : COLOR;
                 fixed4 texcoord : TEXCOORD0;
 
+                float4 customData : TEXCOORD1;    // Custom1.xyzw
+                float4 customData2 : TEXCOORD6;   // Custom2.xyzw
+
                 #if _USEMASK_ON
                     fixed2 texcoordMask : TEXCOORD2;
                 #endif
@@ -202,6 +219,10 @@ Category {
                 o.texcoord.xy = TRANSFORM_TEX(v.texcoord,_MainTex);
                 o.texcoord.zw = v.texcoord.zw;
 
+                // 把打包在各 texcoord 里的粒子自定义数据还原成 Custom1.xyzw / Custom2.xyzw
+                o.customData  = float4(v.texcoord.z,  v.texcoord.w,  v.texcoord1.x, v.texcoord1.y);
+                o.customData2 = float4(v.texcoord1.z, v.texcoord1.w, v.texcoord2.x, v.texcoord2.y);
+
                 #if _USEMASK_ON
                     o.texcoordMask = TRANSFORM_TEX(v.texcoord,_Mask);
                 #endif
@@ -250,7 +271,11 @@ Category {
                 #endif
 
                 #if _USEDISSOLVE_ON
-                    fixed DissolveWithParticle =(_Dissolve*(1-i.texcoord.z)*(1+_DissolveWidth)-_DissolveWidth) ;
+                    // 溶解进度 = 滑条 × 选中的自定义数据通道；通道 = null 时完全用滑条（保持原行为）
+                    fixed customProgress = CustomDataChannelValue(i.customData, i.customData2, _DissolveCustomChannel);
+                    fixed useCustom = step(0.5, _DissolveCustomChannel);
+                    fixed dissolveProgress = _Dissolve * lerp(1.0, customProgress, useCustom);
+                    fixed DissolveWithParticle =(dissolveProgress*(1+_DissolveWidth)-_DissolveWidth) ;
                     fixed dissolveMap = UIMaskSampleChannel(_DissolveTex, i.texcoordDissolve, _DissolveChannel);
                     fixed dissolveAlpha = saturate(smoothstep( DissolveWithParticle, (DissolveWithParticle+_DissolveWidth), dissolveMap));
                     col.a *= dissolveAlpha;

Assets/Shaders/particle.mat

@@ -47,8 +47,8 @@ Material:
         m_Offset: {x: 0, y: 0}
     - _DissolveTex:
         m_Texture: {fileID: 2800000, guid: 94c4ffff470a043f68f9d388161c3b2a, type: 3}
-        m_Scale: {x: 1, y: 1}
-        m_Offset: {x: 0, y: 0}
+        m_Scale: {x: 0.5, y: 0.5}
+        m_Offset: {x: -2.91, y: 0}
     - _EmissionMap:
         m_Texture: {fileID: 0}
         m_Scale: {x: 1, y: 1}
@@ -113,8 +113,10 @@ Material:
     - _Cutoff: 0.5
     - _DetailAlbedoMapScale: 1
     - _DetailNormalMapScale: 1
-    - _Dissolve: 0.4
+    - _Dissolve: 1
     - _DissolveChannel: 0
+    - _DissolveCustomChannel: 1
+    - _DissolveCustomData: 1
     - _DissolveEdgeSharpness: 0.001
     - _DissolveHighlightWidth: 0.203
     - _DissolveWidth: 0.174

Assets/Textures/Square1.png.meta

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Assets/Textures/Trail_23.png.meta

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Assets/Textures/spell_lighting_dc.png.meta

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