Shader "Unlit/UnlitBlend2"
{
	Properties
	{
		_MainTex ("Texture", 2D) = "white" {}
		_BlendTex ("Texture", 2D) = "white" {}
	}
	SubShader
	{
		Tags { "RenderType"="Opaque" }
		LOD 100

		Pass
		{
			CGPROGRAM
			#pragma vertex vert
			#pragma fragment frag
			
			#include "UnityCG.cginc"

			struct appdata
			{
				float4 vertex : POSITION;
				float2 uv : TEXCOORD0;
				float2 uv1 : TEXCOORD1;
			};

			struct v2f
			{
				float2 uv : TEXCOORD0;
				float2 uv1 : TEXCOORD1;
				float4 vertex : SV_POSITION;
			};

			sampler2D _MainTex;
			sampler2D _BlendTex;
			float4 _MainTex_ST;
			float4 _BlendTex_ST;
			
			v2f vert (appdata v)
			{
				v2f o;
				v.uv1 = v.vertex.xyz;
				o.vertex = mul(UNITY_MATRIX_MVP, v.vertex);
				o.uv = TRANSFORM_TEX(v.uv, _MainTex);
				o.uv1 = TRANSFORM_TEX(v.uv1, _BlendTex);
				return o;
			}
			
			fixed4 frag (v2f i) : SV_Target
			{
				// sample the texture
				fixed4 col = tex2D(_MainTex, i.uv);
				fixed4 blend = tex2D(_BlendTex, i.uv1);
				return col * (1.0 - blend.a);
			}
			ENDCG
		}
	}
}