Shader "Custom/Alpha/NormalAlpha" {
    Properties{
        _Color("Color", Color) = (1,1,1,1)
        _MainTex("Albedo (RGB)", 2D) = "white" {}

    }
        SubShader{
            Tags { "RenderType" = "Opaque" "Queue" = "Transparent" }
            LOD 200

            CGPROGRAM

        //再最后添加alpha参数，就可以实现模型的透明设置
        #pragma surface surf Lambert alpha 

        // Use shader model 3.0 target, to get nicer looking lighting
        #pragma target 3.0

        sampler2D _MainTex;

        struct Input {
            float2 uv_MainTex;
        };


        fixed4 _Color;

        void surf(Input IN, inout SurfaceOutput o) {
            // Albedo comes from a texture tinted by color
            fixed4 c = tex2D(_MainTex, IN.uv_MainTex) * _Color;
            o.Albedo = c.rgb;
            o.Alpha = c.a;
        }
        ENDCG
    }
        FallBack "Diffuse"
}