CodeGidSurface шейдер в ShaderLab обёртке от Unity
пишем самую важную часть кода, а всю рутину при компиляции Unity вставляет за нас
[post10644 surface]
struct SurfaceOutputStandardSpecular
{
fixed3 Albedo; // diffuse color
fixed3 Specular; // specular color
fixed3 Normal; // tangent space normal, if written
half3 Emission;
half Smoothness; // 0=rough, 1=smooth
half Occlusion; // occlusion (default 1)
fixed Alpha; // alpha for transparencies
};[post10644 surface]
struct SurfaceOutputStandard
{
fixed3 Albedo; // base (diffuse or specular) color
fixed3 Normal; // tangent space normal, if written
half3 Emission;
half Metallic; // 0=non-metal, 1=metal
half Smoothness; // 0=rough, 1=smooth
half Occlusion; // occlusion (default 1)
fixed Alpha; // alpha for transparencies
};[post10644 surfaceshader]
#pragma surface surf StandardShader "Custom/SH_surf"
{
SubShader
{
CGPROGRAM
#pragma surface surf Standard
sampler2D _MainTex;
struct Input
{
float3 color : RED;
};
void surf (Input IN, inout SurfaceOutputStandard o)
{
o.Albedo = IN.color;
o.Alpha = 1;
}
ENDCG
}
}#pragma surface <surface function> <lighting model> <optional parameters>[post10604 pragma]
[post10639 lightingmodel]
Shader "Custom/World/Cut"
{
Properties
{
_MainTex ("Albedo (RGB)", 2D) = "white" {}
_pov("pov", int) = 0
_pos("Vector",vector) = (0,0,0,0)
}
SubShader
{
CGPROGRAM
//surface
#pragma surface surf Lambert
//model
#pragma target 3.0
//vars
sampler2D _MainTex;
int _pov;
fixed4 _pos;
struct Input
{
float2 uv_MainTex;
float3 worldPos;
};
void surf(Input IN, inout SurfaceOutput o)
{
switch (_pov)
{
case 0:
clip(IN.worldPos.z > _pos.z ? 1 : -1);
break;
case 1:
clip(IN.worldPos.x < _pos.x ? 1 : -1);
break;
case 2:
clip(IN.worldPos.z > _pos.z ? 1 : -1);
break;
case 3:
clip(IN.worldPos.x < _pos.x ? 1 : -1);
break;
}
o.Albedo = tex2D(_MainTex, IN.uv_MainTex).rgb;
}
ENDCG
}
FallBack "Diffuse"
}