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| Shader "Unlit/MatCat1_Code"
{
Properties
{
_MainTex ("diffuse", 2D) = "white" {}
_MatCatAddTex ("MatCatAdd", 2D) = "white" {}
_MatCatAddIntensity ("MatCatAddIntensity", Float) = 0.35
_MatCatTex ("MatCat", 2D) = "white" {}
_MatCatIntensity ("MatCatIntensity", Float) = 5.0
_RampTex("Ramp", 2D) = "white" {}
}
SubShader
{
Tags { "RenderType"="Opaque" }
LOD 100
Pass
{
CGPROGRAM
#pragma vertex vert
#pragma fragment frag
#include "UnityCG.cginc"
struct appdata
{
float4 vertex : POSITION;
float2 uv : TEXCOORD0;
float3 normal : NORMAL;
};
struct v2f
{
float2 uv : TEXCOORD0;
float3 normal_world : TEXCOORD1;
float3 view_world : TEXCOORD2;
float4 vertex : SV_POSITION;
};
sampler2D _MainTex;
float4 _MainTex_ST;
sampler2D _MatCatAddTex;
float4 _MatCatAddTex_ST;
float _MatCatAddIntensity;
sampler2D _MatCatTex;
float4 _MatCatTex_ST;
float _MatCatIntensity;
sampler2D _RampTex;
float4 _RampTex_ST;
v2f vert (appdata v)
{
v2f o;
o.vertex = UnityObjectToClipPos(v.vertex);
o.uv = TRANSFORM_TEX(v.uv, _MainTex);
o.normal_world = mul(float4(v.normal,0.0) ,unity_WorldToObject);
float3 pos_world = mul(unity_ObjectToWorld, v.vertex);
o.view_world = normalize( _WorldSpaceCameraPos - pos_world );
return o;
}
fixed4 frag(v2f i) : SV_Target
{
half3 normal_world = normalize(i.normal_world);
fixed4 col;
fixed4 col_diffuse = tex2D(_MainTex, i.uv);
half2 MatCat_uv = (mul(UNITY_MATRIX_V, half4(normal_world, 0.0)).xy + 1.0f) * 0.5f;
fixed4 col_MatCatAdd = tex2D(_MatCatAddTex, MatCat_uv) * _MatCatAddIntensity;
fixed4 col_MatCat = tex2D(_MatCatTex, MatCat_uv) * _MatCatIntensity;
half3 view_dir = normalize(i.view_world);
half fresnel = 1.0f - saturate(dot(normal_world, view_dir));
fixed4 col_Ramp = tex2D(_RampTex, half2(fresnel, 0.5f));
col = col_diffuse * col_MatCat * col_Ramp;
col += col_MatCatAdd ;
return col;
}
ENDCG
}
}
}
|
