Scroll Shader in Unity Standard Rendering Pipeline

Scroll.shader

Shader "Unlit/Scroll"
{
	Properties
	{
		_MainTex ("Texture", 2D) = "white" {}
		_SpeedX ("_SpeedX", float) = 0.5
		_SpeedY("_SpeedY", float) = 0
		_Color("Color (RGBA)", Color) = (1, 1, 1, 1)
	}
	SubShader
	{
		Tags { "Queue" = "Transparent" "IgnoreProjector" = "True" "RenderType" = "Transparent" }
		ZWrite Off
		//Blend SrcAlpha OneMinusSrcAlpha
		
		LOD 100

		Pass
		{
			CGPROGRAM
			#pragma vertex vert
			#pragma fragment frag

			#include "UnityCG.cginc"

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

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

			sampler2D _MainTex;
			float4 _MainTex_ST;
			float _SpeedX,_SpeedY;
			float4 _Color;
			
			v2f vert (appdata v)
			{
				v2f o;
				o.vertex = UnityObjectToClipPos(v.vertex);
				o.uv = TRANSFORM_TEX(v.uv, _MainTex);
				return o;
			}
			
			fixed4 frag (v2f i) : SV_Target
			{
				half4 sub;
				half2 uv = i.uv;
				half t = (_Time.x * _SpeedX) - floor(_Time.x);
				uv.x =  i.uv.x + t;
				half t2 = (_Time.x * _SpeedY) - floor(_Time.x);
				uv.y = i.uv.y + t2;

				fixed4 col = tex2D(_MainTex , uv) * _Color;
        
			

				return col;
			}
			ENDCG
		}
	}
}