Shader "Yoru/Horizon" {
    Properties {
        _MainTex ("Texture", 2D) = "white" {}
        _TilingCustom ("TilingCustom", Vector) = (1,1,0,0)
        _Color ("Color", Color) = (1,1,1,1)
    }

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

        Pass {
            Blend SrcAlpha OneMinusSrcAlpha
            ZWrite Off
            CGPROGRAM
            #pragma vertex vert
            #pragma fragment frag
            #pragma multi_compile_instancing
            #include "UnityCG.cginc"

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

            struct v2f {
                float2 uv : TEXCOORD0;
                float4 vertex : SV_POSITION;
                UNITY_VERTEX_OUTPUT_STEREO
            };

            sampler2D _MainTex;
            float4 _MainTex_ST;
            float2 _TilingCustom;
            fixed4 _Color;

            v2f vert (appdata v) {
                v2f o;
                UNITY_SETUP_INSTANCE_ID(v);
                UNITY_INITIALIZE_VERTEX_OUTPUT_STEREO(o);
                o.vertex = UnityObjectToClipPos(v.vertex);
                o.uv = v.uv * _TilingCustom;
                return o;
            }

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