Shader "ZTest/ZTest"
{
    Properties{
        [HideInInspector] _MainTex("Texture",2D) = "white" {}
        _MainColor("Color",Color) = (1,1,1,1)
        [Enum(off,0,on,1)]_ZWriteMode("ZWrite Mode",Float) = 1
        [Enum(UnityEngine.Rendering.CompareFunction)]_ZComp("ZTest Comp",Float) = 4
    }

    SubShader{
        Pass {
            Tags {"RenderType" = "Opaque" "Queue" = "Geometry"}
            ZWrite [_ZWriteMode]
            ZTest [_ZComp]
            Cull off
            CGPROGRAM
            #pragma vertex vert
            #pragma fragment frag
            #pragma multi_compile_fog

            #include "UnityCG.cginc"
            struct appdata {
                float4 vertex : POSITION;
                float2 uv:TEXCOORD0;
            };

            struct v2f {
                float2 uv:TEXCOORD0;
                UNITY_FOG_COORDS(1)
                float4 vertex : SV_POSITION;
            };

            sampler2D _MainTex;
            float4 _MainTex_ST;
            float4 _MainColor;

            v2f vert(appdata v) {
                v2f o;
                o.vertex = UnityObjectToClipPos(v.vertex);
                o.uv = TRANSFORM_TEX(v.uv, _MainTex);
                UNITY_TRANSFER_FOG(o, o.vertex);
                return o;
            }

            fixed4 frag(v2f i) : SV_Target{
                half4 col = _MainColor;
                UNITY_APPLY_FOG(i.fogColor, col);
                return col;
            }

            ENDCG
        }
    }

}