// Unity built-in shader source. Copyright (c) 2016 Unity Technologies. MIT license (see license.txt)

// Unlit shader. Simplest possible colored shader.
// - no lighting
// - no lightmap support
// - no texture

Shader "Unlit/AlwaysTop" {
    Properties{
        _Color("Main Color", Color) = (1,1,1,1)
    }

        SubShader{
            Tags { "Queue" = "Transparent" "IgnoreProjector" = "True" "RenderType" = "Transparent"}
            LOD 100

            ZTest Off
            Cull Off
            Blend SrcAlpha OneMinusSrcAlpha

            Pass {
                CGPROGRAM
                    #pragma vertex vert
                    #pragma fragment frag
                    #pragma target 2.0
                    #pragma multi_compile_fog

                    #include "UnityCG.cginc"

                    struct appdata_t {
                        float4 vertex : POSITION;
                        UNITY_VERTEX_INPUT_INSTANCE_ID
                    };

                    struct v2f {
                        float4 vertex : SV_POSITION;
                        UNITY_FOG_COORDS(0)
                        UNITY_VERTEX_OUTPUT_STEREO
                    };

                    fixed4 _Color;

                    v2f vert(appdata_t v)
                    {
                        v2f o;
                        UNITY_SETUP_INSTANCE_ID(v);
                        UNITY_INITIALIZE_VERTEX_OUTPUT_STEREO(o);
                        o.vertex = UnityObjectToClipPos(v.vertex);
                        UNITY_TRANSFER_FOG(o,o.vertex);
                        return o;
                    }

                    fixed4 frag(v2f i) : COLOR
                    {
                        fixed4 col = _Color;
                        UNITY_APPLY_FOG(i.fogCoord, col);
                        //UNITY_OPAQUE_ALPHA(col.a);
                        return col;
                    }
                ENDCG
            }
    }

}