UGUI实现一键排版对齐
发表于2018-06-27
Unity中实现排版功能，缺少其他工具一样的辅助线，下面就和大家介绍下利用UGUI实现一键排版对齐功能。
支持缩放、锚点、中心点 不同，全部一键搞定。
using System.Collections;
using System.Collections.Generic;
using UnityEditor;
using UnityEngine;
/// <summary>
/// Introduction: GUIAlignOthers
/// Author: Cheng
/// Time:
/// </summary>
public class GUIAlignOthers :Editor
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[MenuItem("GameObject/UI/Align/Top")]
static void AlignTop()
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Align(1);
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[MenuItem("GameObject/UI/Align/Left")]
static void AlignLeft()
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Align(2);
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[MenuItem("GameObject/UI/Align/Right")]
static void AlignRight()
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Align(3);
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[MenuItem("GameObject/UI/Align/Bottom")]
static void AlignBottom()
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Align(4);
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[MenuItem("GameObject/UI/Align/Horizontal")]
static void AlignHorizontal()
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Align(5);
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[MenuItem("GameObject/UI/Align/Vertical")]
static void AlignVertical()
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Align(6);
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static void Align(int type)
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List<RectTransform> rects = new List<RectTransform>();
GameObject[] objects = Selection.gameObjects;
foreach (var obj in objects)
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RectTransform rect = obj.GetComponent<RectTransform>();
if (rect != null)
rects.Add(rect);
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if (rects.Count > 1)
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Align(type, rects);
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static void Align(int type, List<RectTransform> rects)
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RectTransform tenplate = rects[0];
float w = tenplate.sizeDelta.x * tenplate.lossyScale.x;//消除缩放影响
float h = tenplate.sizeDelta.y * tenplate.localScale.y;
float x = tenplate.position.x - tenplate.pivot.x * w; //消除中心点并非pivot非（0.5，0.5）影响
float y = tenplate.position.y - tenplate.pivot.y * h;
switch (type)
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case 1://上对齐
for (int i = 1; i < rects.Count; i++)
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RectTransform trans = rects[i];
float th = trans.sizeDelta.y * trans.localScale.y;
Vector3 pos = trans.position;
pos.y = y + h - th + trans.pivot.y * th;
trans.position = pos;
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break;
case 2://左对齐
for (int i = 1; i < rects.Count; i++)
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RectTransform trans = rects[i];
float tw = trans.sizeDelta.x * trans.lossyScale.x;
Vector3 pos = trans.position;
pos.x = x + tw*trans.pivot.x;
trans.position = pos;
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break;
case 3://右对齐
for (int i = 1; i < rects.Count; i++)
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RectTransform trans = rects[i];
float tw = trans.sizeDelta.x * trans.lossyScale.x;
Vector3 pos = trans.position;
pos.x = x+ w - tw + tw * trans.pivot.x;
trans.position = pos;
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break;
case 4://下对齐
for (int i = 1; i < rects.Count; i++)
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RectTransform trans = rects[i];
float th = trans.sizeDelta.y * trans.localScale.y;
Vector3 pos = trans.position;
pos.y = y + th*trans.pivot.y;
trans.position = pos;
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break;
case 5://水平对齐
for (int i = 1; i < rects.Count; i++)
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RectTransform trans = rects[i];
float th = trans.sizeDelta.y * trans.localScale.y;
Vector3 pos = trans.position;
pos.y = y + 0.5f * h - 0.5f*th + th * trans.pivot.y;
trans.position = pos;
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break;
case 6://垂直对齐
for (int i = 1; i < rects.Count; i++)
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RectTransform trans = rects[i];
float tw = trans.sizeDelta.x * trans.lossyScale.x;
Vector3 pos = trans.position;
pos.x = x + 0.5f * w - 0.5f * tw + tw * trans.pivot.x;
trans.position = pos;
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break;
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