unity 动态改鼠图案

官方API:https://docs.unity3d.com/ScriptReference/Cursor.SetCursor.html

图片的格式：

  public  Texture2D ClickedCursorImg;
  Cursor.SetCursor(null, Vector2.zero, CursorMode.Auto);
 Cursor.SetCursor(ClickedCursorImg, Vector2.zero, CursorMode.Auto);