124 lines
3.7 KiB
Plaintext
124 lines
3.7 KiB
Plaintext
Shader "TrailsFX/Effect/Outline" {
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Properties {
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_MainTex ("Texture", 2D) = "white" {}
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_Color ("Color", Color) = (1,1,1,1)
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_NormalThreshold("Normal Threshold", Float) = 0.1
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_Cull ("Cull", Int) = 2
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}
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SubShader
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{
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Tags { "Queue"="Transparent+101" "RenderType"="Transparent" }
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Pass
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{
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Stencil {
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Ref 2
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ReadMask 2
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Comp NotEqual
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Pass replace
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}
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Blend SrcAlpha OneMinusSrcAlpha
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ZWrite Off
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Cull [_Cull]
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CGPROGRAM
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#pragma vertex vert
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#pragma fragment frag
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#pragma multi_compile_instancing assumeuniformscaling nolightprobe nolodfade nolightmap
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#pragma multi_compile_local _ TRAIL_INTERPOLATE
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#pragma multi_compile_local _ TRAIL_MASK
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#pragma multi_compile_local _ TRAIL_LOCAL
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#include "UnityCG.cginc"
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struct appdata
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{
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float4 vertex : POSITION;
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float3 norm : NORMAL;
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#if TRAIL_MASK
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float2 uv : TEXCOORD0;
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#endif
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#if TRAIL_INTERPOLATE
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float4 prevVertex : TEXCOORD1;
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#endif
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UNITY_VERTEX_INPUT_INSTANCE_ID
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};
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struct v2f
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{
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UNITY_VERTEX_INPUT_INSTANCE_ID
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float4 pos : SV_POSITION;
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#if TRAIL_MASK
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float2 uv : TEXCOORD0;
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#endif
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float3 wsNorm : TEXCOORD1;
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UNITY_VERTEX_OUTPUT_STEREO
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};
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UNITY_INSTANCING_BUFFER_START(Props)
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UNITY_DEFINE_INSTANCED_PROP(fixed4, _Colors)
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#if TRAIL_INTERPOLATE
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UNITY_DEFINE_INSTANCED_PROP(half, _SubFrameKeys)
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#endif
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#if TRAIL_LOCAL
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UNITY_DEFINE_INSTANCED_PROP(float4x4, _ParentMatrices)
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#endif
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UNITY_INSTANCING_BUFFER_END(Props)
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sampler2D _MaskTex;
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float4 _MaskTex_ST;
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float4x4 _PivotMatrix;
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v2f vert (appdata v)
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{
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v2f o;
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UNITY_SETUP_INSTANCE_ID(v);
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UNITY_INITIALIZE_OUTPUT(v2f, o);
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UNITY_TRANSFER_INSTANCE_ID(v, o);
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UNITY_INITIALIZE_VERTEX_OUTPUT_STEREO(o);
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float4 vertex = v.vertex;
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#if TRAIL_INTERPOLATE
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half key = UNITY_ACCESS_INSTANCED_PROP(Props, _SubFrameKeys);
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vertex.xyz = lerp(v.prevVertex.xyz, vertex.xyz, key);
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#endif
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#if TRAIL_LOCAL
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vertex = mul(unity_ObjectToWorld, vertex);
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float4x4 parentMatrix = UNITY_ACCESS_INSTANCED_PROP(Props, _ParentMatrices);
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vertex = mul(parentMatrix, vertex);
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vertex = mul(_PivotMatrix, vertex);
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o.pos = mul(UNITY_MATRIX_VP, vertex);
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#else
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o.pos = UnityObjectToClipPos(vertex);
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#endif
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o.wsNorm = UnityObjectToWorldNormal(v.norm);
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#if TRAIL_MASK
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o.uv = TRANSFORM_TEX(v.uv, _MaskTex);
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#endif
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return o;
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}
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float _NormalThreshold;
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fixed4 frag (v2f i) : SV_Target
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{
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UNITY_SETUP_INSTANCE_ID(i);
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fixed4 col = UNITY_ACCESS_INSTANCED_PROP(Props, _Colors);
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fixed dx = saturate(dot(fwidth(i.wsNorm), 1.0.xxx) / _NormalThreshold);
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col *= dx;
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#if TRAIL_MASK
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fixed4 mask = tex2D(_MaskTex, i.uv);
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col.a *= mask.r;
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#endif
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return col;
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}
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ENDCG
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}
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}
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} |