Shader "Unlit/TexOffset_ZhengFan"
{
    Properties
    {
        [HDR] _MainCol("MainCol",color) = (1,1,1,1)
        _MainTex("Texture", 2D) = "white" {}
        _OffsetSpeed("OffsetSpeed",vector) = (1,1,0,0)
        _ZhengFan("ZhengFan",float)=1
    }
        SubShader
        {
            Tags {"Queue" = "Transparent" "RenderType" = "Transparent" }


            Pass
            {
                ZWrite Off
                Blend SrcAlpha OneMinusSrcAlpha 


                CGPROGRAM


                #pragma vertex vert
                #pragma fragment frag


                #include "UnityCG.cginc"

                struct appdata
                {
                    float4 vertex : POSITION;
                    float2 uv : TEXCOORD0;
                    half4 color : COLOR;
                };

                struct v2f
                {
                    float2 uv : TEXCOORD0;
                    float4 vertex : SV_POSITION; 
                    half4 color: TEXCOORD1;

                };

                sampler2D _MainTex;
                float4 _MainTex_ST;
                half4 _MainCol;
                float4 _OffsetSpeed;
                float _ZhengFan;
                v2f vert(appdata v)
                {
                    v2f o;
                    o.vertex = UnityObjectToClipPos(v.vertex);

                    o.uv = v.uv * _MainTex_ST.xy* _ZhengFan + _MainTex_ST.wz + _Time.y * _OffsetSpeed.xy/** _ZhengFan*/; 
                    o.color = v.color;
                    return o;
                }

                half4 frag(v2f i) : SV_Target
                {
                    half4 col = tex2D(_MainTex, i.uv) * _MainCol * i.color;
                    return col;
                }
                ENDCG
            }
        }
}