Shader "Custom/GizmoSelectEncode"
{
    Properties
    {
        _ID("ID", Color) = (0,0,0,1) 
    }

    SubShader
    {
        Tags {"RenderType"="Opaque"} // 标记为不透明
        LOD 100 // 细节级别

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

            struct appdata
            {
                float4 vertex : POSITION;
            };

            struct v2f
            {
                float4 vertex : SV_POSITION;
            };

            fixed4 _ID;

            v2f vert (appdata v)
            {
                v2f o;
                o.vertex = UnityObjectToClipPos(v.vertex);
                o.vertex.z = 1;
                return o;
            }

            fixed4 frag (v2f i) : SV_Target
            {
                return _ID; 
            }
            ENDCG
        }
    }
    FallBack "Diffuse" 
}