UnityShader应用----序列图动画

1.序列图动画Shader

Shader "Study/SortAnim"
{
    Properties
    {
        _MainTex ("Texture", 2D) = "white" {}
        _HorizontalAmount("Horizontal Amount",float)=12
        _VerticalAmount("Vertical Amount",float)=1
        _Speed("Anim Speed",Range(0,100))=30
    }
    SubShader
    {
        Tags { "RenderType"="Transparent" "Queue"="Transparent" "IgnoreProjector"="True"}

        Pass
        {
            Tags{ "LightMode"="ForwardBase"}
            ZWrite Off
            Blend SrcAlpha OneMinusSrcAlpha
            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;

            v2f vert (appdata v)
            {
                v2f o;
                o.vertex = UnityObjectToClipPos(v.vertex);
                o.uv = TRANSFORM_TEX(v.uv, _MainTex);
                return o;
            }
            float _HorizontalAmount;
            float _VerticalAmount;
            float _Speed;
            fixed4 frag (v2f i) : SV_Target
            {
                float time=floor(_Time.y*_Speed);
                float row=floor(time/_HorizontalAmount);
                float column=time-row*_HorizontalAmount;

                half2 uv=i.uv+half2(column,-row);
                uv.x/=_HorizontalAmount;
                uv.y/=_VerticalAmount;
                // sample the texture
                fixed4 col = tex2D(_MainTex, uv);       
                return col;
            }
            ENDCG
        }
    }
}

2.序列图如下