Forum Unity3D-France

Code : Tout sélectionner

Shader "Screen_Clamped_Emissive_Fade_Alpha" {
  Properties {
    _Color ( "Main Color", Color ) = ( 1, 1, 1, 1 )
    _Blend ( "Blend", Range ( 0, 1 ) ) = 0.5
    _MainTex ("Main Map", 2D) = "white" {}
    _Texture2 ( "Texture 2", 2D ) = "white" {}
    _AlphaTex ("Alpha mask (R)", 2D) = "white" {}
    _EmissionPower ("Emission Power", Range(0,20)) = 1.0
  }
   
  SubShader {
    Tags { "Queue"="Transparent" "IgnoreProjector"="True" "RenderType"="Transparent" }
    ZWrite Off
    Lighting Off 
    Blend SrcAlpha OneMinusSrcAlpha
    LOD 100
      
    Pass
    {
      SetTexture[_MainTex]
      SetTexture[_Texture2]
      {
        ConstantColor ( 0, 0, 0, [_Blend] )
        Combine texture Lerp( constant ) previous
      }    
    }

    Cull Off
      
    CGPROGRAM   
    #pragma surface surf NoLighting alpha noforwardadd
    #include "UnityCG.cginc"
      
    half4 LightingNoLighting (SurfaceOutput s, half3 lightDir, half atten) {
      half4 c;
      c.rgb = s.Albedo;
      c.a = s.Alpha;
      return c;
    }
    
      
    sampler2D _MainTex;
    sampler2D _Texture2;
    sampler2D _AlphaTex;
    fixed4 _Color;
    float _Blend;
    float _EmissionPower;
      
    struct Input {
      float2 uv_MainTex;
      float2 uv_Texture2;
      float2 uv_AlphaTex;
    };
      
    void surf(Input IN, inout SurfaceOutput o) {
      half4 tex = tex2D(_MainTex, IN.uv_MainTex) * _Color;
      half4 c;
      if (IN.uv_MainTex.x > 1.0 || IN.uv_MainTex.x < 0.0 || IN.uv_MainTex.y > 1.0 || IN.uv_MainTex.y < 0.0)
        c = half4 (0, 0, 0, 0);
      else
        c = tex;
    	half4 tex2  = tex2D ( _Texture2, IN.uv_Texture2 ) * _Color;
      o.Emission = lerp(c.rgb * _EmissionPower, tex2 * _EmissionPower, _Blend );
      o.Albedo = fixed4 (0, 0, 0, 0);
      o.Alpha = tex2D (_AlphaTex, IN.uv_AlphaTex).a;
    }
      
    ENDCG
  }   
  Fallback "Unlit/Texture"
}