Unity中模拟鼠标事件

以下工具类实现了在Unity引擎中模拟鼠标的各种操作，包括：鼠标左键、右键和中键的点击、按下、抬起以及滚轮的上下滚动。

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using System;   public class MouseSimulater {     #region DLLs     [System.Runtime.InteropServices.DllImport("user32.dll")]     private static extern int SetCursorPos(int x, int y);     [System.Runtime.InteropServices.DllImport("user32.dll")]     private static extern void mouse_event(MouseEventFlag dwFlags, int dx, int dy, uint dwData, UIntPtr dwExtraInfo);       // 方法参数说明     // VOID mouse_event(     //     DWORD dwFlags,         // motion and click options     //     DWORD dx,              // horizontal position or change     //     DWORD dy,              // vertical position or change     //     DWORD dwData,          // wheel movement     //     ULONG_PTR dwExtraInfo  // application-defined information     // );       [Flags]     enum MouseEventFlag : uint     {         Move = 0x0001,         LeftDown = 0x0002,         LeftUp = 0x0004,         RightDown = 0x0008,         RightUp = 0x0010,         MiddleDown = 0x0020,         MiddleUp = 0x0040,         XDown = 0x0080,         XUp = 0x0100,         Wheel = 0x0800,         VirtualDesk = 0x4000,         Absolute = 0x8000     }     #endregion       // Unity屏幕坐标从左下角开始，向右为X轴，向上为Y轴     // Windows屏幕坐标从左上角开始，向右为X轴，向下为Y轴       /// <summary>     /// 移动鼠标到指定位置（使用Unity屏幕坐标而不是Windows屏幕坐标）     /// </summary>     public static bool MoveTo(float x, float y)     {         if (x < 0 || y < 0 || x > UnityEngine.Screen.width || y > UnityEngine.Screen.height)             return true;           if (!UnityEngine.Screen.fullScreen)         {             UnityEngine.Debug.LogError("只能在全屏状态下使用！");             return false;         }           SetCursorPos((int)x, (int)(UnityEngine.Screen.height - y));         return true;     }       // 左键单击     public static void LeftClick(float x = -1, float y = -1)     {         if (MoveTo(x, y))         {             mouse_event(MouseEventFlag.LeftDown, 0, 0, 0, UIntPtr.Zero);             mouse_event(MouseEventFlag.LeftUp, 0, 0, 0, UIntPtr.Zero);         }     }       // 右键单击     public static void RightClick(float x = -1, float y = -1)     {         if (MoveTo(x, y))         {             mouse_event(MouseEventFlag.RightDown, 0, 0, 0, UIntPtr.Zero);             mouse_event(MouseEventFlag.RightUp, 0, 0, 0, UIntPtr.Zero);         }     }       // 中键单击     public static void MiddleClick(float x = -1, float y = -1)     {         if (MoveTo(x, y))         {             mouse_event(MouseEventFlag.MiddleDown, 0, 0, 0, UIntPtr.Zero);             mouse_event(MouseEventFlag.MiddleUp, 0, 0, 0, UIntPtr.Zero);         }     }       // 左键按下     public static void LeftDown(float x = -1, float y = -1)     {         if (MoveTo(x, y))         {             mouse_event(MouseEventFlag.LeftDown, 0, 0, 0, UIntPtr.Zero);         }     }       // 左键抬起     public static void LeftUp(float x = -1, float y = -1)     {         if (MoveTo(x, y))         {             mouse_event(MouseEventFlag.LeftUp, 0, 0, 0, UIntPtr.Zero);         }     }       // 右键按下     public static void RightDown(float x = -1, float y = -1)     {         if (MoveTo(x, y))         {             mouse_event(MouseEventFlag.RightDown, 0, 0, 0, UIntPtr.Zero);         }     }       // 右键抬起     public static void RightUp(float x = -1, float y = -1)     {         if (MoveTo(x, y))         {             mouse_event(MouseEventFlag.RightUp, 0, 0, 0, UIntPtr.Zero);         }     }       // 中键按下     public static void MiddleDown(float x = -1, float y = -1)     {         if (MoveTo(x, y))         {             mouse_event(MouseEventFlag.MiddleDown, 0, 0, 0, UIntPtr.Zero);         }     }       // 中键抬起     public static void MiddleUp(float x = -1, float y = -1)     {         if (MoveTo(x, y))         {             mouse_event(MouseEventFlag.MiddleUp, 0, 0, 0, UIntPtr.Zero);         }     }       // 滚轮滚动     public static void ScrollWheel(float value)     {         mouse_event(MouseEventFlag.Wheel, 0, 0, (uint)value, UIntPtr.Zero);     } }