CustomSprite.shader

Shader "Custom/CustomSprite"
{
    Properties
    {
        [PerRendererData] _MainTex ("Texture", 2D) = "white" {}
    }
    SubShader
    {
        Tags 
        { 
            "Queue" = "Transparent"
            "RenderType" = "Transparent" 
        }
        Blend One OneMinusSrcAlpha

        Cull Off

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

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

            struct v2f
            {
                float2 uv : TEXCOORD0;
                fixed4 color : COLOR;
                float4 vertex : SV_POSITION;
            };

            sampler2D _MainTex;

            v2f vert (appdata v)
            {
                v2f o;
                o.vertex = UnityObjectToClipPos(v.vertex);
                o.color = v.color;
                o.uv = v.uv;
                return o;
            }

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