Junios World

using UnityEngine;
using System.Collections;
using System.Runtime.InteropServices;


public class NeoMouse : MonoBehaviour
{
	[DllImport("user32.dll", CharSet = CharSet.Auto, ExactSpelling = true)]
	[return: MarshalAs(UnmanagedType.Bool)]
	public static extern bool ClipCursor(ref RECT rcClip);
	[DllImport("user32.dll")]
	[return: MarshalAs(UnmanagedType.Bool)]
	public static extern bool GetClipCursor(out RECT rcClip);
	[DllImport("user32.dll")]
	static extern int GetForegroundWindow();
	[DllImport("user32.dll")]
	[return: MarshalAs(UnmanagedType.Bool)]
	static extern bool GetWindowRect(int hWnd, ref RECT lpRect);

	[StructLayout(LayoutKind.Sequential)]
	public struct RECT
	{
		public int Left;
		public int Top;
		public int Right;
		public int Bottom;
		public RECT(int left, int top, int right, int bottom)
		{
			Left = left;
			Top = top;
			Right = right;
			Bottom = bottom;
		}
	}

	RECT currentClippingRect;
	RECT originalClippingRect = new RECT();
	int hWnd = 0;

	void Start()
	{
		hWnd = GetForegroundWindow();
		GetWindowRect(hWnd, ref currentClippingRect);
		GetClipCursor(out originalClippingRect);
		ClipCursor(ref currentClippingRect);
	}

	void OnApplicationQuit()
	{
		ClipCursor(ref originalClippingRect);
	}
}