80 lines
1.7 KiB
Plaintext
80 lines
1.7 KiB
Plaintext
Shader "Hidden/LIV_ClipPlaneSimpleDebug"
|
|
{
|
|
SubShader
|
|
{
|
|
Tags { "Queue" = "Overlay" "LightMode" = "Always" "IgnoreProjector" = "True" "ForceNoShadowCasting" = "True"}
|
|
|
|
Pass {
|
|
Name "CLIP_PLANE_SIMPLE_DEBUG"
|
|
Cull Off
|
|
ZWrite On
|
|
Fog{ Mode Off }
|
|
|
|
CGPROGRAM
|
|
|
|
#pragma target 4.6
|
|
|
|
#pragma vertex VertexProgram
|
|
#pragma fragment FragmentProgram
|
|
#pragma geometry GeometryProgram
|
|
|
|
#include "UnityCG.cginc"
|
|
|
|
struct VertexData {
|
|
float4 vertex : POSITION;
|
|
float2 uv : TEXCOORD0;
|
|
};
|
|
|
|
struct VertexToGeomData {
|
|
float4 vertex : POSITION;
|
|
float2 uv : TEXCOORD0;
|
|
};
|
|
|
|
struct GeomToFragData {
|
|
float4 vertex : POSITION;
|
|
float2 uv : TEXCOORD0;
|
|
float3 barycentric : TEXCOORD1;
|
|
};
|
|
|
|
VertexToGeomData VertexProgram(VertexData v)
|
|
{
|
|
VertexToGeomData o;
|
|
o.vertex = UnityObjectToClipPos(v.vertex);
|
|
o.uv = v.uv;
|
|
return o;
|
|
}
|
|
|
|
[maxvertexcount(3)]
|
|
void GeometryProgram(triangle VertexToGeomData p[3], inout TriangleStream<GeomToFragData> triStream) {
|
|
GeomToFragData pIn;
|
|
|
|
pIn.vertex = p[0].vertex;
|
|
pIn.uv = p[0].uv;
|
|
pIn.barycentric.xyz = float3(1.0, 0, 0);
|
|
triStream.Append(pIn);
|
|
|
|
pIn.vertex = p[1].vertex;
|
|
pIn.uv = p[1].uv;
|
|
pIn.barycentric.xyz = float3(0, 1.0, 0);
|
|
triStream.Append(pIn);
|
|
|
|
pIn.vertex = p[2].vertex;
|
|
pIn.uv = p[2].uv;
|
|
pIn.barycentric.xyz = float3(0, 0, 1.0);
|
|
triStream.Append(pIn);
|
|
}
|
|
|
|
fixed4 FragmentProgram(GeomToFragData i) : SV_Target
|
|
{
|
|
float3 barys;
|
|
barys.xy = i.barycentric;
|
|
barys.z = 1 - barys.x - barys.y;
|
|
barys = smoothstep(0.0, 0.0 + fwidth(barys), barys);
|
|
return lerp(float4(0.0, 0.0, 0.0, 0.5), float4(0.0, 1.0, 0.0, 0.5), min(barys.x, min(barys.y, barys.z)));
|
|
}
|
|
|
|
ENDCG
|
|
}
|
|
}
|
|
}
|