//--------------------------------------------------------
|
// [Author]: 玩个游戏
|
// [ Date ]: Wednesday, August 23, 2017
|
//--------------------------------------------------------
|
using UnityEngine;
|
using System.Collections;
|
using UnityEngine.UI;
|
using System;
|
using System.Collections.Generic;
|
|
|
public class OffsetImage:BaseMeshEffect {
|
|
[SerializeField]
|
Vector2 m_Offset;
|
public Vector2 offset {
|
get {
|
return m_Offset;
|
}
|
set {
|
m_Offset = value;
|
|
}
|
}
|
|
public override void ModifyMesh(VertexHelper vh) {
|
List<UIVertex> vertexs = new List<UIVertex>();
|
vh.GetUIVertexStream(vertexs);
|
|
if(vertexs == null || vertexs.Count == 0) {
|
return;
|
}
|
vh.Clear();
|
|
var positions = new Vector3[3];
|
var uv0s = new Vector2[3];
|
|
var firstQuard = new UIVertex[6] {
|
vertexs[0],
|
vertexs[1],
|
vertexs[2],
|
vertexs[3],
|
vertexs[4],
|
vertexs[5]
|
};
|
|
for(var i = 0;i < firstQuard.Length;i++) {
|
var vertex = firstQuard[i];
|
var position = vertex.position + new Vector3(offset.x,offset.y,0);
|
vertex.position = position;
|
firstQuard[i] = vertex;
|
|
if((i % 3) == 2) {
|
positions[0] = firstQuard[i - 2].position;
|
uv0s[0] = firstQuard[i - 2].uv0;
|
positions[1] = firstQuard[i - 1].position;
|
uv0s[1] = firstQuard[i - 1].uv0;
|
positions[2] = firstQuard[i].position;
|
uv0s[2] = firstQuard[i].uv0;
|
|
UIUtility.AddTriangle(vh,positions,Color.white,uv0s);
|
}
|
}
|
|
|
|
var index = 5 * 6;
|
for(int i = 0;i < vertexs.Count;i++) {
|
|
if(i > index) {
|
|
}
|
|
if((i % 3) == 2) {
|
positions[0] = vertexs[i - 2].position;
|
uv0s[0] = vertexs[i - 2].uv0;
|
positions[1] = vertexs[i - 1].position;
|
uv0s[1] = vertexs[i - 1].uv0;
|
positions[2] = vertexs[i].position;
|
uv0s[2] = vertexs[i].uv0;
|
|
UIUtility.AddTriangle(vh,positions,Color.white,uv0s);
|
}
|
}
|
|
|
|
|
}
|
|
}
|
