//--------------------------------------------------------
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// [Author]: 第二世界
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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;
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using System.Collections.Generic;
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namespace vnxbqy.UI {
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public class OffsetImage:BaseMeshEffect {
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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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public override void ModifyMesh(VertexHelper vh) {
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List<UIVertex> vertexs = new List<UIVertex>();
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vh.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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vh.Clear();
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var positions = new Vector3[3];
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var uv0s = new Vector2[3];
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var firstQuard = new UIVertex[6] {
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vertexs[0],
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vertexs[1],
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vertexs[2],
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vertexs[3],
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vertexs[4],
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vertexs[5]
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};
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for(var i = 0;i < firstQuard.Length;i++) {
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var vertex = firstQuard[i];
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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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firstQuard[i] = vertex;
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if((i % 3) == 2) {
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positions[0] = firstQuard[i - 2].position;
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uv0s[0] = firstQuard[i - 2].uv0;
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positions[1] = firstQuard[i - 1].position;
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uv0s[1] = firstQuard[i - 1].uv0;
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positions[2] = firstQuard[i].position;
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uv0s[2] = firstQuard[i].uv0;
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UIUtility.AddTriangle(vh,positions,Color.white,uv0s);
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}
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}
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var index = 5 * 6;
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for(int i = 0;i < vertexs.Count;i++) {
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if(i > index) {
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}
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if((i % 3) == 2) {
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positions[0] = vertexs[i - 2].position;
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uv0s[0] = vertexs[i - 2].uv0;
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positions[1] = vertexs[i - 1].position;
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uv0s[1] = vertexs[i - 1].uv0;
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positions[2] = vertexs[i].position;
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uv0s[2] = vertexs[i].uv0;
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UIUtility.AddTriangle(vh,positions,Color.white,uv0s);
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}
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}
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}
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}
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}
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