offset shader not moving alpha

Hi im trying to offset my texture, but every time i move it using TRANSFORM_TEX and offseting it it get clipped just where the alpha of my image is, so im guessing it doent translate alpha, is there a way to translate it? Its as if the color are getting clipped by my image alpha, this is my shader code:

Shader "Sprites/TilesetNoMask" { Properties { _MainTex ("Sprite Texture", 2D) = "white" {} _Color ("Tint", Color) = (1,1,1,1) [MaterialToggle] PixelSnap ("Pixel snap", Float) = 0 }

 SubShader
 {
     Tags
     { 
         "Queue"="Transparent+2" 
         "IgnoreProjector"="True" 
         "RenderType"="Transparent" 
         "PreviewType"="Plane"
         "CanUseSpriteAtlas"="True"
     }

     Cull Off
     Lighting Off
     ZWrite Off
     Blend SrcAlpha OneMinusSrcAlpha
     Pass
     {
     CGPROGRAM
         #pragma vertex vert
         #pragma fragment frag
         #pragma target 2.0
         #pragma multi_compile _ PIXELSNAP_ON
         #pragma multi_compile _ ETC1_EXTERNAL_ALPHA
         #include "UnityCG.cginc"

         uniform float4 _MainTex_ST;
         sampler2D _MainTex;

         struct appdata_t
         {
             float4 vertex   : POSITION;
             float4 color    : COLOR;
             float2 texcoord : TEXCOORD0;

         };

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

         };
         
         fixed4 _Color;

         v2f vert(appdata_t IN)
         {
             v2f OUT;
             OUT.vertex = UnityObjectToClipPos(IN.vertex);
             OUT.color = IN.color * _Color;
             OUT.texcoord = TRANSFORM_TEX(IN.texcoord, _MainTex);
             #ifdef PIXELSNAP_ON
             OUT.vertex = UnityPixelSnap (OUT.vertex);
             #endif

             return OUT;
         }


         fixed4 frag(v2f IN) : SV_Target
         {
             fixed4 c = tex2D (_MainTex, IN.texcoord);
             return c;
         }
     ENDCG
     }
 }

}