修改

2026-07-04 01:48:39 +08:00
parent 6e414a3022
commit aace7e68cc
10 changed files with 408 additions and 5 deletions
@@ -0,0 +1,77 @@
+Shader "IndianOcean/AbyssEdgeGlow"
+{
+    // 悬崖边缘发光线 Shader
+    // 加法混合 + Queue 3200（在黑暗遮罩之后渲染）
+    // UV.y = 1 在顶部（亮），UV.y = 0 在底部（暗）
+    // 用于 CliffWallBuilder 生成的边缘条带，勾勒地面断开处的轮廓
+    Properties
+    {
+        _Color ("发光颜色", Color) = (0.2, 0.6, 0.9, 1.0)
+        _Intensity ("亮度", Range(0.1, 5.0)) = 1.5
+        _Gradient ("渐变（越大边缘越硬）", Range(0.1, 3.0)) = 1.0
+    }
+    SubShader
+    {
+        Tags
+        {
+            "RenderType" = "Transparent"
+            "Queue" = "Transparent+200"
+            "RenderPipeline" = "UniversalPipeline"
+        }
+        Blend SrcAlpha One
+        ZWrite Off
+        ZTest LEqual
+        Cull Off
+
+        Pass
+        {
+            Name "EdgeGlow"
+            HLSLPROGRAM
+            #pragma vertex vert
+            #pragma fragment frag
+            #pragma multi_compile_instancing
+
+            #include "Packages/com.unity.render-pipelines.universal/ShaderLibrary/Core.hlsl"
+
+            struct Attributes
+            {
+                float4 positionOS : POSITION;
+                float2 uv : TEXCOORD0;
+                UNITY_VERTEX_INPUT_INSTANCE_ID
+            };
+
+            struct Varyings
+            {
+                float4 positionCS : SV_POSITION;
+                float2 uv : TEXCOORD0;
+                UNITY_VERTEX_INPUT_INSTANCE_ID
+            };
+
+            CBUFFER_START(UnityPerMaterial)
+                float4 _Color;
+                float  _Intensity;
+                float  _Gradient;
+            CBUFFER_END
+
+            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;
+                return output;
+            }
+
+            half4 frag(Varyings input) : SV_Target
+            {
+                // UV.y: 1=顶部(亮), 0=底部(暗)
+                float glow = pow(input.uv.y, _Gradient);
+                float3 col = _Color.rgb * _Intensity;
+                return half4(col, glow);
+            }
+            ENDHLSL
+        }
+    }
+    FallBack Off
+}