unity中BringWindowToFront和dragWindow的用法
toggle被选中状态，三个窗口显示；
toggle未被选中，三个窗口消失。
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
public class TestWindowToFront : MonoBehaviour {
private Rect windowRect = new Rect (20, 20, 120, 50);
private Rect windowRect2 = new Rect (80, 20, 120, 50);
private Rect windowRect3 = new Rect (100, 20, 120, 50);
private bool flag = true;
void OnGUI(){
flag = GUI.Toggle (new Rect (20, 100, 120, 50), flag, "Window0 display"); //绘制toggle用来控制窗口的显示
if (flag) {
// windowRect 窗口大小， intIndex为func获取一个ID标识.
windowRect = GUI.Window (0, windowRect, DoMyFirstWindow, "My Window");
windowRect2 = GUI.Window (1, windowRect2, DoMySecondWindow, "Second Window");
windowRect3 = GUI.Window (2, windowRect3, DoMyThirdWindow, "Third Wondow");
}
}
void DoMyFirstWindow(int windowId){
if (GUI.Button (new Rect (10, 20, 100, 20), "Bring to Front"))
GUI.BringWindowToFront (0);
GUI.DragWindow (new Rect (0, 0, 10000, 20));
}
void DoMySecondWindow(int windowId){
if (GUI.Button (new Rect (10, 20, 100, 20), "Bring to front"))
GUI.BringWindowToFront (1);
GUI.DragWindow ();
}
void DoMyThirdWindow(int windowId){
if (GUI.Button (new Rect (10, 20, 100, 20), "Bring to front")) //相对窗口绘制button
GUI.BringWindowToFront (2); //如果响应，则将当前窗口显示至最上
GUI.DragWindow (); //当前窗口可拖拽
}
}