Random

34         void Load_DeThiThat()
35         {
36             try
37             {
38                 SqlConnection cnn = new SqlConnection("server=.\\SQLEXPRESS;database=QL_Thitracnghiem;integrated security =true");
39                 SqlDataAdapter da = new SqlDataAdapter("select cauhoi.mach,cauhoi,a,b,c,d ,dapan from cauhoi,DAPAN where cauhoi.mach=DAPAN.mach", cnn);
40                 DataTable BangQuestion = new DataTable();
41                 da.Fill(BangQuestion);
42                 TaoBangRandomCauHoi(BangQuestion);
43             }
44             catch (Exception ex)
45             { MessageBox.Show(ex.Message); }
46             p = 60;//nhap thoi gian thi
47             s = 60;
48             h = 0;
49         }

50         void TaoBangRandomCauHoi(DataTable BangQuestion)
51         {
52
53             try
54             {
55                 Random Rnd = new Random();
56                 ArrayList ArrQuestion = new ArrayList();
57
58                 ArrQuestion.Clear();
59                 int x, dem = 0;
60                 int SoCauTrongBangGoc = BangQuestion.Rows.Count;
61                 while (dem < SoCauNgauNhien)
62                 {
63                     x = Rnd.Next(0, SoCauTrongBangGoc);
64                     if (!ArrQuestion.Contains(x))
65                     {
66                         ArrQuestion.Add(x);
67                         dem++;
68                     }
69                 }
70                 for (int j = SoCauTrongBangGoc - 1; j >= 0; j--)
71                     if (!ArrQuestion.Contains(j))
72                         BangQuestion.Rows.RemoveAt(j);
73
74                 BangDeThi = BangQuestion;
75                 BangDeThi.Columns.Add("cauhoi,DAPAN");
76
77             }
78             catch (Exception ex)
79             { MessageBox.Show(ex.Message); }
80
81         }

82         void TaoBangRandomCauTraLoi()
83         {
84             try
85             {
86                 SoCauHoi = BangDeThi.Rows.Count;
87                 string DapAnDung = "";
88                 string A, B, C, D;
89                 int DapAn;
90                 Random Rnd = new Random();
91                 ArrayList ArrDapAn = new ArrayList();
92                 for (int i = 0; i < SoCauHoi; i++)
93                 {
94                     A = "";
95                     B = "";
96                     C = "";
97                     D = "";
98                     DapAnDung = "";
99                     DapAn = 0;
100                     ArrDapAn.Clear();
101                     ArrDapAn.Add(2);
102                     ArrDapAn.Add(3);
103                     ArrDapAn.Add(4);
104                     ArrDapAn.Add(5);
105
106                     DapAn = Rnd.Next(ArrDapAn.Count);
107                     A = BangDeThi.Rows[i][(int)ArrDapAn[DapAn]].ToString();
108                     if ((BangDeThi.Rows[i][6].ToString().ToUpper().Contains("A") && (int)ArrDapAn[DapAn] == 2) || (BangDeThi.Rows[i][6].ToString().ToUpper().Contains("B") && (int)ArrDapAn[DapAn] == 3) || (BangDeThi.Rows[i][6].ToString().ToUpper().Contains("C") && (int)ArrDapAn[DapAn] == 4) || (BangDeThi.Rows[i][6].ToString().ToUpper().Contains("D") && (int)ArrDapAn[DapAn] == 5))
109                         DapAnDung += "A";
110                     ArrDapAn.RemoveAt(DapAn);
111                     DapAn = Rnd.Next(ArrDapAn.Count);
112                     B = BangDeThi.Rows[i][(int)ArrDapAn[DapAn]].ToString();
113                     if ((BangDeThi.Rows[i][6].ToString().ToUpper().Contains("A") && (int)ArrDapAn[DapAn] == 2) || (BangDeThi.Rows[i][6].ToString().ToUpper().Contains("B") && (int)ArrDapAn[DapAn] == 3) || (BangDeThi.Rows[i][6].ToString().ToUpper().Contains("C") && (int)ArrDapAn[DapAn] == 4) || (BangDeThi.Rows[i][6].ToString().ToUpper().Contains("D") && (int)ArrDapAn[DapAn] == 5))
114                         DapAnDung += "B";
115                     ArrDapAn.RemoveAt(DapAn);
116                     DapAn = Rnd.Next(ArrDapAn.Count);
117                     C = BangDeThi.Rows[i][(int)ArrDapAn[DapAn]].ToString();
118                     if ((BangDeThi.Rows[i][6].ToString().ToUpper().Contains("A") && (int)ArrDapAn[DapAn] == 2) || (BangDeThi.Rows[i][6].ToString().ToUpper().Contains("B") && (int)ArrDapAn[DapAn] == 3) || (BangDeThi.Rows[i][6].ToString().ToUpper().Contains("C") && (int)ArrDapAn[DapAn] == 4) || (BangDeThi.Rows[i][6].ToString().ToUpper().Contains("D") && (int)ArrDapAn[DapAn] == 5))
119                         DapAnDung += "C";
120                     ArrDapAn.RemoveAt(DapAn);
121                     DapAn = Rnd.Next(ArrDapAn.Count);
122                     D = BangDeThi.Rows[i][(int)ArrDapAn[DapAn]].ToString();
123                     if ((BangDeThi.Rows[i][6].ToString().ToUpper().Contains("A") && (int)ArrDapAn[DapAn] == 2) || (BangDeThi.Rows[i][6].ToString().ToUpper().Contains("B") && (int)ArrDapAn[DapAn] == 3) || (BangDeThi.Rows[i][6].ToString().ToUpper().Contains("C") && (int)ArrDapAn[DapAn] == 4) || (BangDeThi.Rows[i][6].ToString().ToUpper().Contains("D") && (int)ArrDapAn[DapAn] == 5))
124                         DapAnDung += "D";
125                     BangDeThi.Rows[i][2] = A;
126                     BangDeThi.Rows[i][3] = B;
127                     BangDeThi.Rows[i][4] = C;
128                     BangDeThi.Rows[i][5] = D;
129                     BangDeThi.Rows[i][6] = DapAnDung;
130                 }
131             }
132             catch (Exception ex)
133             { MessageBox.Show(ex.Message); }
134         }

190         private void frmThiThat_Load(object sender, EventArgs e)
191         {
192
193
194             lbNgaythang.Text = DateTime.Now.Day.ToString() + "/" + DateTime.Now.Month.ToString() + "/" + DateTime.Now.Year.ToString();
195
196             {
197                 try
198                 {
199                     if (DeThi == true)
200                         Load_DeThiThat();
201                     else
202                         Load_DeThiThat();
203                     TaoBangRandomCauTraLoi();
204                     LoadCauHoiVaoControl();
205                     timer1.Start();
206
207                     btPre.Enabled = false;
208                 }
209                 catch (Exception ex)
210                 { MessageBox.Show(ex.Message); }
211             }
212
213         }

8     public void OnClick()
9     {
10         if( Input.GetKey( KeyCode.LeftShift ) || Input.GetKey( KeyCode.RightShift ) )
11         {
12             Vector3 colVector = new Vector3( Random.Range( 0.0f, 1.0f ), Random.Range( 0.0f, 1.0f ), Random.Range( 0.0f, 1.0f ) );
13             this.photonView.RPC( "ColorRpc", PhotonTargets.AllBufferedViaServer, colVector );
14         }
15         else
16         {
17             if( this.photonView.ownerId == PhotonNetwork.player.ID )
18             {
19                 Debug.Log( "Not requesting ownership. Already mine." );
20                 return;
21             }
22
23             this.photonView.RequestOwnership();
24         }
25     }

10  void GoBall() {
11   float rand = Random.Range (0, 2);
12   if (rand < 1) {
13    rb2d.AddForce (new Vector2 (20, -15));
14   } else {
15    rb2d.AddForce (new Vector2 (-20, -15));
16   }
17  }

10     void Start()
11     {
12         // If a user should be "findable", the client must set a playerName before connecting.
13         // This is then used during connect and the client can be found by others.
14         // Setting the playerName before connect, enables others to locate your game:
15         PhotonNetwork.playerName = "usr" + (int)Random.Range(0, 9);
16
17
18         // Photon Cloud does not implement community features for users but can work with external friends lists.
19         // We assume you get some list of IDs of your friends.
20         friendListOfSomeCommunity = FetchFriendsFromCommunity();
21
22
23         GuiRect = new Rect(Screen.width / 4, 80, Screen.width / 2, Screen.height - 100);
24     }

52     public void OnGUI()
53     {
54         if (!PhotonNetwork.insideLobby)
55         {
56             // this feature is only available on the Master Client. Check either: insideLobby or
57             // PhotonNetwork.connectionStateDetailed == PeerState.Authenticated or
58             // PhotonNetwork.connectionStateDetailed == PeerState.JoinedLobby
59
60             // for simplicity (and cause we know we WILL join the lobby, we can just check that)
61             return;
62         }
63
64
65         GUILayout.BeginArea(GuiRect);
66
67         GUILayout.Label("Your (random) name: " + PhotonNetwork.playerName);
68         GUILayout.Label("Your friends: " + string.Join(", ",this.friendListOfSomeCommunity));
69
70
71         GUILayout.BeginHorizontal();
72         if (GUILayout.Button("Find Friends"))
73         {
74             PhotonNetwork.FindFriends(this.friendListOfSomeCommunity);
75         }
76         if (GUILayout.Button("Create Room"))
77         {
78             PhotonNetwork.CreateRoom(null); // just a random room
79         }
80         GUILayout.EndHorizontal();
81
82
83         if (PhotonNetwork.Friends != null)
84         {
85             foreach (FriendInfo info in PhotonNetwork.Friends)
86             {
87                 GUILayout.BeginHorizontal();
88                 GUILayout.Label(info.ToString());
89                 if (info.IsInRoom)
90                 {
91                     if (GUILayout.Button("join"))
92                     {
93                         PhotonNetwork.JoinRoom(info.Room);
94                     }
95                 }
96                 GUILayout.EndHorizontal();
97             }
98         }
99
100         GUILayout.EndArea();
101     }

15     public void OnGUI()
16     {
17         if (PhotonNetwork.connectionStateDetailed != PeerState.Joined)
18         {
19             return;
20         }
21
22         GUILayout.BeginArea(GuiRect);
23
24         GUILayout.Label("In-Game");
25         GUILayout.Label("For simplicity, this demo just shows the players in this room. The list will expand when more join.");
26         GUILayout.Label("Your (random) name: " + PhotonNetwork.playerName);
27         GUILayout.Label(PhotonNetwork.playerList.Length + " players in this room.");
28         GUILayout.Label("The others are:");
29         foreach (PhotonPlayer player in PhotonNetwork.otherPlayers)
30         {
31             GUILayout.Label(player.ToString());
32         }
33
34         if (GUILayout.Button("Leave"))
35         {
36             PhotonNetwork.LeaveRoom();
37         }
38         GUILayout.EndArea();
39     }

28     void OnGUI()
29     {
30         GUI.skin = this.Skin;
31         GUILayout.Space(10);
32
33         GUILayout.BeginHorizontal();
34         GUILayout.Space(10);
35         scrollPos = GUILayout.BeginScrollView(scrollPos, GUILayout.Width(320));
36
37         GUILayout.Label("Basics", m_Headline);
38         if (GUILayout.Button("Demo Boxes", GUILayout.Width(280)))
39         {
40             demoDescription = "Demo Boxes\n\nUses ConnectAndJoinRandom script.\n(joins a random room or creates one)\n\nInstantiates simple prefab.\nSynchronizes positions without smoothing.";
41             demoBtn = new DemoBtn() { Text = "Start", Link = "DemoBoxes-Scene" };
42         }
43         if (GUILayout.Button("Demo Worker", GUILayout.Width(280)))
44         {
45             demoDescription = "Demo Worker\n\nJoins the default lobby and shows existing rooms.\nLets you create or join a room.\nInstantiates an animated character.\nSynchronizes position and animation state of character with smoothing.\nImplements simple in-room Chat via RPC calls.";
46             demoBtn = new DemoBtn() { Text = "Start", Link = "DemoWorker-Scene" };
47         }
48         if (GUILayout.Button("Movement Smoothing", GUILayout.Width(280)))
49         {
50             demoDescription = "Movement Smoothing\n\nUses ConnectAndJoinRandom script.\nShows several basic ways to update positions of remote objects.";
51             demoBtn = new DemoBtn() { Text = "Start", Link = "DemoSynchronization-Scene" };
52         }
53
54         GUILayout.Label("Advanced", m_Headline);
55         if (GUILayout.Button("Ownership Transfer", GUILayout.Width(280)))
56         {
57             demoDescription = "Ownership Transfer\n\nShows how to transfer the ownership of a PhotonView.\nThe owner will send position updates of the GameObject.\nTransfer can be edited per PhotonView and set to Fixed (no transfer), Request (owner has to agree) or Takeover (owner can't object).";
58             this.demoBtn = new DemoBtn() { Text = "Start", Link = "DemoChangeOwner-Scene" };
59             this.webLink = new DemoBtn();
60         }
61         if (GUILayout.Button("Pickup, Teams, Scores", GUILayout.Width(280)))
62         {
63             demoDescription = "Pickup, Teams, Scores\n\nUses ConnectAndJoinRandom script.\nImplements item pickup with RPCs.\nUses Custom Properties for Teams.\nCounts score per player and team.\nUses PhotonPlayer extension methods for easy Custom Property access.";
64             this.demoBtn = new DemoBtn() { Text = "Start", Link = "DemoPickup-Scene" };
65             this.webLink = new DemoBtn();
66         }
67
68         GUILayout.Label("Feature Demos", m_Headline);
69         if (GUILayout.Button("Chat", GUILayout.Width(280)))
70         {
71             demoDescription = "Chat\n\nUses the Chat API (now part of PUN).\nSimple UI.\nYou can enter any User ID.\nAutomatically subscribes some channels.\nAllows simple commands via text.\n\nRequires configuration of Chat App ID in scene.";
72             this.demoBtn = new DemoBtn() { Text = "Start", Link = "DemoChat-Scene" };
73             this.webLink = new DemoBtn();
74         }
75         if (GUILayout.Button("RPG Movement", GUILayout.Width(280)))
76         {
77             demoDescription = "RPG Movement\n\nDemonstrates how to use the PhotonTransformView component to synchronize position updates smoothly using inter- and extrapolation.\n\nThis demo also shows how to setup a Mecanim Animator to update animations automatically based on received position updates (without sending explicit animation updates).";
78             this.demoBtn = new DemoBtn() { Text = "Start", Link = "DemoRPGMovement-Scene" };
79             this.webLink = new DemoBtn();
80         }
81         if (GUILayout.Button("Mecanim Animations", GUILayout.Width(280)))
82         {
83             demoDescription = "Mecanim Animations\n\nThis demo shows how to use the PhotonAnimatorView component to easily synchronize Mecanim animations.\n\nIt also demonstrates another feature of the PhotonTransformView component which gives you more control how position updates are inter-/extrapolated by telling the component how fast the object moves and turns using SetSynchronizedValues().";
84             this.demoBtn = new DemoBtn() { Text = "Start", Link = "DemoMecanim-Scene" };
85             this.webLink = new DemoBtn();
86         }
87         if (GUILayout.Button("2D Game", GUILayout.Width(280)))
88         {
89             demoDescription = "2D Game Demo\n\nSynchronizes animations, positions and physics in a 2D scene.";
90             this.demoBtn = new DemoBtn() { Text = "Start", Link = "Demo2DJumpAndRunWithPhysics-Scene" };
91             this.webLink = new DemoBtn();
92         }
93         if (GUILayout.Button("Friends & Authentication", GUILayout.Width(280)))
94         {
95             demoDescription = "Friends & Authentication\n\nShows connect with or without (server-side) authentication.\n\nAuthentication requires minor server-side setup (in Dashboard).\n\nOnce connected, you can find (made up) friends.\nJoin a room just to see how that gets visible in friends list.";
96             this.demoBtn = new DemoBtn() { Text = "Start", Link = "DemoFriends-Scene" };
97             this.webLink = new DemoBtn();
98         }
99
100         GUILayout.Label("Tutorial", m_Headline);
101         if (GUILayout.Button("Marco Polo Tutorial", GUILayout.Width(280)))
102         {
103             demoDescription = "Marco Polo Tutorial\n\nFinal result you could get when you do the Marco Polo Tutorial.\nSlightly modified to be more compatible with this package.";
104             this.demoBtn = new DemoBtn() { Text = "Start", Link = "MarcoPolo-Scene" };
105             this.webLink = new DemoBtn() { Text = "Open Tutorial (www)", Link = "http://tinyurl.com/nmylf44" };
106         }
107         GUILayout.EndScrollView();
108
109         GUILayout.BeginVertical(GUILayout.Width(Screen.width - 345));
110         GUILayout.Label(demoDescription);
111         GUILayout.Space(10);
112         if (!string.IsNullOrEmpty(this.demoBtn.Text))
113         {
114             if (GUILayout.Button(this.demoBtn.Text))
115             {
116                 Application.LoadLevel(this.demoBtn.Link);
117             }
118         }
119         if (!string.IsNullOrEmpty(this.webLink.Text))
120         {
121             if (GUILayout.Button(this.webLink.Text))
122             {
123                 Application.OpenURL(this.webLink.Link);
124             }
125         }
126         GUILayout.EndVertical();
127
128
129         GUILayout.EndHorizontal();
130     }