Unity-Shader-X光 遮挡透视效果

Shader "ApcShader/XRayEffect"
{
  Properties
  {
    _MainTex("Base 2D", 2D) = "white"{}
    _XRayColor("XRay Color", Color) = (1,1,1,1)
  }

  SubShader
  {
    Tags{ "Queue" = "Geometry+100" "RenderType" = "Opaque" }
    
    //渲染X光效果的Pass
    Pass
    {
      Blend SrcAlpha One
      ZWrite Off
      ZTest Greater

      CGPROGRAM
      #include "Lighting.cginc"
      fixed4 _XRayColor;
      struct v2f
      {
        float4 pos : SV_POSITION;
        float3 normal : normal;
        float3 viewDir : TEXCOORD0;
      };

      v2f vert (appdata_base v)
      {
        v2f o;
        o.pos = UnityObjectToClipPos(v.vertex);
        o.viewDir = ObjSpaceViewDir(v.vertex);
        o.normal = v.normal;
        return o;
      }

      fixed4 frag(v2f i) : SV_Target
      {
        float3 normal = normalize(i.normal);
        float3 viewDir = normalize(i.viewDir);
        float rim = 1 - dot(normal, viewDir);
        return _XRayColor * rim;
      }
      #pragma vertex vert
      #pragma fragment frag
      ENDCG
    }
    
    //正常渲染的Pass
    Pass
    {
      ZWrite On
      CGPROGRAM
      #include "Lighting.cginc"
      sampler2D _MainTex;
      float4 _MainTex_ST;

      struct v2f
      {
        float4 pos : SV_POSITION;
        float2 uv : TEXCOORD0;
      };

      v2f vert(appdata_base v)
      {
        v2f o;
        o.pos = UnityObjectToClipPos(v.vertex);
        o.uv = TRANSFORM_TEX(v.texcoord, _MainTex);
        return o;
      }

      fixed4 frag(v2f i) : SV_Target
      {
        return tex2D(_MainTex, i.uv);
      }

      #pragma vertex vert
      #pragma fragment frag  
      ENDCG
    }
  }
  
  FallBack "Diffuse"
}

Shader "ApcShader/XRayEffect"
{
  Properties
  {
    _MainTex("Base 2D", 2D) = "white"{}
    _XRayColor("XRay Color", Color) = (1,1,1,1)
  }

  SubShader
  {
    Tags{ "Queue" = "Geometry+100" "RenderType" = "Opaque" }
    
    //渲染X光效果的Pass
    Pass
    {
      Blend SrcAlpha One
      ZWrite Off
      ZTest Greater

      CGPROGRAM
      #include "Lighting.cginc"
      fixed4 _XRayColor;
      struct v2f
      {
        float4 pos : SV_POSITION;
        float3 normal : normal;
        float3 viewDir : TEXCOORD0;
      };

      v2f vert (appdata_base v)
      {
        v2f o;
        o.pos = UnityObjectToClipPos(v.vertex);
        o.viewDir = ObjSpaceViewDir(v.vertex);
        o.normal = v.normal;
        return o;
      }

      fixed4 frag(v2f i) : SV_Target
      {
        float3 normal = normalize(i.normal);
        float3 viewDir = normalize(i.viewDir);
        float rim = 1 - dot(normal, viewDir);
        return _XRayColor * rim;
      }
      #pragma vertex vert
      #pragma fragment frag
      ENDCG
    }
    
    //正常渲染的Pass
    Pass
    {
      ZWrite On
      CGPROGRAM
      #include "Lighting.cginc"
      sampler2D _MainTex;
      float4 _MainTex_ST;

      struct v2f
      {
        float4 pos : SV_POSITION;
        float2 uv : TEXCOORD0;
      };

      v2f vert(appdata_base v)
      {
        v2f o;
        o.pos = UnityObjectToClipPos(v.vertex);
        o.uv = TRANSFORM_TEX(v.texcoord, _MainTex);
        return o;
      }

      fixed4 frag(v2f i) : SV_Target
      {
        return tex2D(_MainTex, i.uv);
      }

      #pragma vertex vert
      #pragma fragment frag  
      ENDCG
    }
  }
  
  FallBack "Diffuse"
}