void surf(Input IN, inout SurfaceOutputStandard o) {			// Albedo comes from a texture tinted by color			fixed2 scrolledUV = IN.uv_MainTex;			fixed xScrollValue = 5 * _Time;			fixed yScrollValue = 5 * _Time;			scrolledUV += fixed2(xScrollValue, 0);			fixed4 c = tex2D(_MainTex, IN.uv_MainTex);// *_Color;			fixed4 d = tex2D(_FlowTex, scrolledUV);			//if (d.a == 1) {			if(d.a > 0.5) {				o.Albedo = c.rgb;			}			else {				o.Albedo = c.rgb + float3(d.a,d.a,d.a);							}			// Metallic and smoothness come from slider variables			o.Metallic = _Metallic;			o.Smoothness = _Glossiness;			o.Alpha = c.a;		}