书写方式

Shader "UIEffect/UV Cross"
{
    Properties
    {
      [PerRendererData]  _MainTex ("Texture", 2D) = "white" {}

        _Vector("Count And Move",Vector)=(1,1,1,1)
    _xOffset("xOffset",float)=10
    //_yOffset("_yOffset",float)=10
    _Rotate("Rotate",float)=10
    _Scale("Scale",float)=1


    }
    SubShader
    {
        // No culling or depth
        Cull Off ZWrite Off ZTest Always
        Blend SrcAlpha OneMinusSrcAlpha
        Tags {"Queue"="Transparent"
}
        Pass
        {
            CGPROGRAM
            #pragma vertex vert
            #pragma fragment frag

            #include "UnityCG.cginc"

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

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

            };

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

            sampler2D _MainTex;
            float4 _Vector;
float _xOffset;
//float _yOffset;
float _Rotate;
float _Scale;

            fixed4 frag (v2f i) : SV_Target
            {
                float2 count=_Vector.xy;
i.uv=i.uv-0.5;

                float2 uv=i.uv*count* ((sin(_Time.x*_Scale)+1)/2+1);
                float2 finalUV = uv;
float angle=_Rotate*_Time.x;
                finalUV.x = uv.x * cos(angle) - uv.y * sin(angle);

                finalUV.y = uv.x * sin(angle) + uv.y * cos(angle);

                finalUV += float2(0.5f, 0.5f);


                uv=finalUV;

                uv.y+=_Time.x*_Vector.w;
                uv.x+=_Time.x*_Vector.z*(((floor(uv.y)%2)-0.5)*2);

                uv.x+=(floor(uv.y)%2)*_xOffset;
                //uv.y+=(floor(uv.x)%2)*_yOffset;


                fixed4 col = tex2D(_MainTex, uv);

//return fixed4(1,1,1,1);
                return col*i.color;
            }
            ENDCG
        }
    }
}