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