//--------------------------------------------------------
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// [Author]: 玩个游戏
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// [ Date ]: Wednesday, August 23, 2017
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//--------------------------------------------------------
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using UnityEngine;
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using System.Collections;
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using UnityEngine.UI;
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using System.Collections.Generic;
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public class OffsetImage2:Text {
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[SerializeField]
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Vector2 m_Offset;
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public Vector2 offset {
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get {
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return m_Offset;
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}
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set {
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m_Offset = value;
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}
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}
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protected override void OnPopulateMesh(VertexHelper toFill) {
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base.OnPopulateMesh(toFill);
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List<UIVertex> vertexs = new List<UIVertex>();
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toFill.GetUIVertexStream(vertexs);
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if(vertexs == null || vertexs.Count == 0) {
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return;
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}
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toFill.Clear();
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var newVertexs = new List<UIVertex>();
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var index = 1 * 6 - 1;
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for(int i = 0;i < vertexs.Count;i++) {
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var vertex = vertexs[i];
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if(i == index) {
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newVertexs.AddRange(AddHexgon(vertexs[i - 5].position,new Vector2(offset.x,font.fontSize),Color.white));
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}
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if(i > index) {
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var position = vertex.position + new Vector3(offset.x,offset.y,0);
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vertex.position = position;
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}
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newVertexs.Add(vertex);
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}
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var aaa= this.cachedTextGenerator.verts;
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toFill.AddUIVertexTriangleStream(newVertexs);
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LayoutRebuilder.MarkLayoutForRebuild(this.rectTransform);
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}
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private UIVertex[] AddHexgon(Vector3 _startPosition,Vector2 _offset,Color _color) {
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var hexgon = new UIVertex[4];
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var positions = new Vector3[4];
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positions[0] = _startPosition;
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positions[1] = _startPosition + new Vector3(_offset.x,0,0);
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positions[2] = _startPosition + new Vector3(_offset.x,-_offset.y,0);
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positions[3] = _startPosition + new Vector3(0,-_offset.y,0);
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for(int i = 0;i < 4;i++) {
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hexgon[i] = UIUtility.PackageUIVertexUV1(positions[i],Vector2.zero,_color);
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}
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return hexgon;
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}
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}
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