一大波优化

unity/Assets/Light/scripts/LightMaskSystem.cs

@@ -42,7 +42,6 @@ namespace IndianOceanAssets.Engine2_5D
         [SerializeField] private Transform followTarget;
         [SerializeField] private Transform maskPlane;
         [SerializeField] private Vector3 maskOffset = new Vector3(0f, 5f, 0f);
-        [SerializeField] private float planeSize = 50f;
 
         // Shader Property IDs
         private static readonly int LightDataID     = Shader.PropertyToID("_LightData");

unity/Assets/Light/shaders/IndianOcean_DarknessOverlay.mat

@@ -31,7 +31,7 @@ Material:
     - _EchoRadius: 39.41617
     - _EchoWidth: 2.5
     - _LightSoftness: 1
-    - _MinBrightness: 0
+    - _MinBrightness: 1
     m_Colors:
     - _DarknessColor: {r: 0.01, g: 0.01, b: 0.02, a: 1}
     - _EchoCenter: {r: -2.4399998, g: -1.5000057, b: 0, a: 0}

unity/Assets/Light/shaders/SpriteDissolve.mat

@@ -0,0 +1,39 @@
+%YAML 1.1
+%TAG !u! tag:yousandi.cn,2023:
+--- !u!21 &2100000
+Material:
+  serializedVersion: 8
+  m_ObjectHideFlags: 0
+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  m_Name: SpriteDissolve
+  m_Shader: {fileID: 4800000, guid: 329aabb9d7e77d04295a944f844af20e, type: 3}
+  m_Parent: {fileID: 0}
+  m_ModifiedSerializedProperties: 0
+  m_ValidKeywords: []
+  m_InvalidKeywords: []
+  m_LightmapFlags: 4
+  m_EnableInstancingVariants: 0
+  m_DoubleSidedGI: 0
+  m_CustomRenderQueue: -1
+  stringTagMap: {}
+  disabledShaderPasses: []
+  m_LockedProperties: 
+  m_SavedProperties:
+    serializedVersion: 3
+    m_TexEnvs:
+    - _MainTex:
+        m_Texture: {fileID: 0}
+        m_Scale: {x: 1, y: 1}
+        m_Offset: {x: 0, y: 0}
+    m_Ints: []
+    m_Floats:
+    - _CastShadow: 0
+    - _DissolveAmount: 0
+    - _DissolveEdgeWidth: 0.08
+    - _DissolveNoiseScale: 10
+    m_Colors:
+    - _Color: {r: 1, g: 1, b: 1, a: 1}
+    - _DissolveEdgeColor: {r: 1, g: 0.8, b: 0.3, a: 1}
+  m_BuildTextureStacks: []

unity/Assets/Light/shaders/SpriteDissolve.mat.meta

@@ -0,0 +1,8 @@
+fileFormatVersion: 2
+guid: XngdtS34U3q7jtUf6N0YEJu6txcsCpUWL91rvDjiR9mHR2rHf2SeiDQ=
+NativeFormatImporter:
+  externalObjects: {}
+  mainObjectFileID: 2100000
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

unity/Assets/Light/shaders/SpriteDissolve.shader

@@ -0,0 +1,154 @@
+Shader "Custom/SpriteDissolve"
+{
+    // 敌人死亡消隐 Shader
+    // 基于噪声的溶解效果，带发光边缘
+    Properties
+    {
+        _MainTex ("Texture", 2D) = "white" {}
+        _Color ("颜色", Color) = (1, 1, 1, 1)
+        
+        [Header(Dissolve)]
+        _DissolveAmount ("溶解进度", Range(0, 1)) = 0
+        _DissolveEdgeWidth ("边缘宽度", Range(0, 0.3)) = 0.05
+        _DissolveEdgeColor ("边缘颜色", Color) = (1, 0.8, 0.3, 1)
+        _DissolveNoiseScale ("噪声缩放", Float) = 10
+        
+        // 阴影设置（保持与项目一致）
+        [MaterialToggle] _CastShadow ("投射阴影", Float) = 0
+    }
+    SubShader
+    {
+        Tags
+        {
+            "RenderPipeline" = "UniversalPipeline"
+            "Queue" = "Transparent"
+            "RenderType" = "Transparent"
+        }
+        
+        Blend SrcAlpha OneMinusSrcAlpha
+        ZWrite Off
+        Cull Off
+
+        Pass
+        {
+            Name "SpriteDissolve"
+            
+            HLSLPROGRAM
+            #pragma vertex vert
+            #pragma fragment frag
+
+            #include "Packages/com.unity.render-pipelines.universal/ShaderLibrary/Core.hlsl"
+
+            struct Attributes
+            {
+                float4 positionOS : POSITION;
+                float2 uv : TEXCOORD0;
+                float4 color : COLOR;
+                UNITY_VERTEX_INPUT_INSTANCE_ID
+            };
+
+            struct Varyings
+            {
+                float4 positionCS : SV_POSITION;
+                float2 uv : TEXCOORD0;
+                float4 color : COLOR;
+                UNITY_VERTEX_INPUT_INSTANCE_ID
+            };
+
+            TEXTURE2D(_MainTex);
+            SAMPLER(sampler_MainTex);
+            
+            half4 _Color;
+            half _DissolveAmount;
+            half _DissolveEdgeWidth;
+            half4 _DissolveEdgeColor;
+            float _DissolveNoiseScale;
+
+            // 简单的哈希噪声
+            float hash(float2 p)
+            {
+                float3 p3 = frac(float3(p.xyx) * 0.1031);
+                p3 += dot(p3, p3.yzx + 33.33);
+                return frac((p3.x + p3.y) * p3.z);
+            }
+
+            // 值噪声（平滑插值）
+            float valueNoise(float2 p)
+            {
+                float2 i = floor(p);
+                float2 f = frac(p);
+                f = f * f * (3.0 - 2.0 * f); // smoothstep
+                
+                float a = hash(i);
+                float b = hash(i + float2(1, 0));
+                float c = hash(i + float2(0, 1));
+                float d = hash(i + float2(1, 1));
+                
+                return lerp(lerp(a, b, f.x), lerp(c, d, f.x), f.y);
+            }
+
+            // 分形噪声（多层叠加）
+            float fbm(float2 p)
+            {
+                float value = 0.0;
+                float amplitude = 0.5;
+                for (int i = 0; i < 4; i++)
+                {
+                    value += amplitude * valueNoise(p);
+                    p *= 2.0;
+                    amplitude *= 0.5;
+                }
+                return value;
+            }
+
+            Varyings vert(Attributes input)
+            {
+                Varyings output;
+                UNITY_SETUP_INSTANCE_ID(input);
+                UNITY_TRANSFER_INSTANCE_ID(input, output);
+                
+                output.positionCS = TransformObjectToHClip(input.positionOS.xyz);
+                output.uv = input.uv;
+                output.color = input.color;
+                return output;
+            }
+
+            half4 frag(Varyings input) : SV_Target
+            {
+                UNITY_SETUP_INSTANCE_ID(input);
+                
+                half4 texColor = SAMPLE_TEXTURE2D(_MainTex, sampler_MainTex, input.uv);
+                half4 color = texColor * _Color * input.color;
+                
+                // 如果 alpha 太小，直接丢弃
+                if (color.a < 0.01)
+                    discard;
+                
+                // 计算噪声
+                float noise = fbm(input.uv * _DissolveNoiseScale);
+                
+                // 溶解判定
+                float dissolveEdge = smoothstep(
+                    _DissolveAmount - _DissolveEdgeWidth,
+                    _DissolveAmount + _DissolveEdgeWidth,
+                    noise
+                );
+                
+                // 完全溶解区域
+                if (noise < _DissolveAmount)
+                    discard;
+                
+                // 边缘发光
+                half edgeGlow = (1.0 - dissolveEdge) * step(_DissolveAmount, noise);
+                color.rgb += _DissolveEdgeColor.rgb * edgeGlow * _DissolveEdgeColor.a;
+                
+                // 整体淡出（溶解后期整体变淡）
+                color.a *= lerp(1.0, 0.3, _DissolveAmount);
+                
+                return color;
+            }
+            ENDHLSL
+        }
+    }
+    FallBack "Sprites/Default"
+}

unity/Assets/Light/shaders/SpriteDissolve.shader.meta

@@ -0,0 +1,9 @@
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+guid: DHgW5Hv/AXJ4FVCaTjexQVJQLVXJgr6jZu7Vz9GpO936bn5BeMA1Iv0=
+ShaderImporter:
+  externalObjects: {}
+  defaultTextures: []
+  nonModifiableTextures: []
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: