using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;

public class ImageUV1 : BaseMeshEffect
{

    public override void ModifyMesh(VertexHelper vh)
    {
        var vertexs = new List<UIVertex>();
        vh.GetUIVertexStream(vertexs);

        if (vertexs == null || vertexs.Count == 0)
        {
            return;
        }

        vh.Clear();

        var newVertexs = new UIVertex[vertexs.Count];
        var vertex = vertexs[0];
        vertex.normal = vertex.normal.SetX(1);
        vertex.uv1 = vertex.uv0;
        newVertexs[0] = vertex;

        vertex = vertexs[1];
        vertex.normal = vertex.normal.SetX(1);
        vertex.uv1 = vertex.uv0;
        newVertexs[1] = vertex;

        vertex = vertexs[2];
        vertex.normal = vertex.normal.SetX(1);
        vertex.uv1 = vertex.uv0;
        newVertexs[2] = vertex;

        vertex = vertexs[4];
        vertex.normal = vertex.normal.SetX(1);
        vertex.uv1 = vertex.uv0;
        newVertexs[3] = vertex;

        vh.AddUIVertexQuad(newVertexs);
    }

}