17-1알파블렌딩

Shader "Custom/17-1"
{
    Properties
    {
		_Color ("Main Color", Color) = (1,1,1,1)
		_MainTex("Texture", 2D) = "white" {}
		_Cutoff("Alpha cutoff", Range(0, 1)) = 0.5
    }
    SubShader
    {
		Tags { "RenderType" = "Transparent" "Queue" = "Transparent"}
		zwrite off
			blend SrcAlpha OneMinusSrcAlpha
		CGPROGRAM
		#pragma surface surf Lambert keepalpha

		struct Input
		{
			float2 uv_MainTex;
		};

		sampler2D _MainTex;

		void surf(Input IN, inout SurfaceOutput o)
		{
			fixed4 c = tex2D(_MainTex, IN.uv_MainTex);
			o.Albedo = c.rgb;
			o.Alpha = c.a;
		}
		ENDCG
    }
    FallBack "Diffuse"
}