JunShi101ShiNei/Assets/shader/chuantou.shader

// Upgrade NOTE: replaced 'mul(UNITY_MATRIX_MVP,*)' with 'UnityObjectToClipPos(*)'

Shader "PengLu/OccTransVF"   
{  
    Properties   
    {   
        _MainTex ("Base (RGB)", 2D) = "white" {}  
        _RimColor("RimColor",Color) = (0,1,1,1)
		_RimPower ("Rim Power", Range(0.1,8.0)) = 1.0
    }  
      
    SubShader   
    {  
        
        LOD 300  
  		Tags { "Queue" = "Geometry+500" "RenderType"="Opaque" } 
        Pass
		{
			Blend SrcAlpha One
			ZWrite off
			Lighting off
 
			ztest greater
 
			CGPROGRAM
			#pragma vertex vert
			#pragma fragment frag
			#include "UnityCG.cginc"
 
			float4 _RimColor;
			float _RimPower;
			
			struct appdata_t {
				float4 vertex : POSITION;
				float2 texcoord : TEXCOORD0;
				float4 color:COLOR;
				float4 normal:NORMAL;
			};
 
			struct v2f {
				float4  pos : SV_POSITION;
				float4	color:COLOR;
			} ;
			v2f vert (appdata_t v)
			{
				v2f o;
				o.pos = UnityObjectToClipPos(v.vertex);
				float3 viewDir = normalize(ObjSpaceViewDir(v.vertex));
                float rim = 1 - saturate(dot(viewDir,v.normal ));
                o.color = _RimColor*pow(rim,_RimPower);
				return o;
			}
			float4 frag (v2f i) : COLOR
			{
				return i.color; 
			}
			ENDCG
		}
        pass  
        {  
            ZWrite on
            ZTest less 
 
            CGPROGRAM  
            #pragma vertex vert  
            #pragma fragment frag  
            sampler2D _MainTex;  
            float4 _MainTex_ST;
              
            struct appdata {  
                float4 vertex : POSITION;  
                float2 texcoord : TEXCOORD0;  
            };  
            
            struct v2f  {  
                float4 pos : POSITION;  
                float2 uv : TEXCOORD0;  
            };  
            
            v2f vert (appdata v) 
            {  
                v2f o;  
                o.pos = UnityObjectToClipPos(v.vertex);  
                o.uv = v.texcoord;  
                return o;  
            } 
             
            float4 frag (v2f i) : COLOR  
            {  
                float4 texCol = tex2D(_MainTex, i.uv);  
                return texCol;  
            }  
            ENDCG  
        }  
    } 
    FallBack "Diffuse" 
}