WaterFlush/Assets/Art/Shader/ULitShadow.shader

Shader "Unlit/ULitShadow"
{
    Properties
    {
        _MainTex ("Texture", 2D) = "white" {}
    }
    SubShader
    {
        Tags {"Queue"= "Geometry" "RenderType"="Opaque" }
        

        Pass
        {
            CGPROGRAM
            #pragma vertex vert
            #pragma fragment frag
         

            #include "UnityCG.cginc"
            #include "Lighting.cginc"
            #include "AutoLight.cginc"

            struct appdata
            {
                float4 vertex : POSITION;
                float2 uv : TEXCOORD0;
            };

            struct v2f
            {
                float2 uv : TEXCOORD0;  
                float3 worldPos: TEXCOORD1;
                SHADOW_COORDS(2)
                float4 vertex : SV_POSITION;
            };

            sampler2D _MainTex;
            float4 _MainTex_ST;

            v2f vert (appdata v)
            {
                v2f o;
                o.vertex = UnityObjectToClipPos(v.vertex);
                o.worldPos = mul(unity_ObjectToWorld,float4(v.vertex.xyz,1)).xyz;
                TRANSFER_SHADOW(o);
                o.uv = TRANSFORM_TEX(v.uv, _MainTex);               
                return o;
            }

            fixed4 frag (v2f i) : SV_Target
            {                
                fixed4 col = tex2D(_MainTex, i.uv);   
                UNITY_LIGHT_ATTENUATION(myatten,i,i.worldPos); 
                col.rgb *= myatten;
                return col;
            }
            ENDCG
        }
    }
}