包含vb.net的pset的词条

vb.net 真的没法画点吗?

.NET确实没有提供画一个像素点得方法

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你可以试一下用FillEllipse填充一个宽1像素,高2像素的椭圆

原理就是FillEllipse的时候,最左边那一列一般都会多出一个一像素的点;高至少要2,少了就什么都画不出来

Visual Studio中的VB和VB6.0有什么大的区别?

一、创建窗体方式不同

1、Visual Studio中的VB:向窗体中拖入的组件,都是基于继承,从.Net框架提供的SDK中相应的类继承,经过实例化后,通过添加功能才把组件加入到设计窗体中。

2、VB6.0:应用程序中创建的组件全部是COM组件,即可在COM应用程序中使用的ActiveX控件、ActiveX 类型的DLL 和ActiveX类型的EXE。

二、访问数据库方式不同

1、Visual Studio中的VB:是使用ADO.NET来访问数据库,ADO.NET是.NET框架的一部分,其对应的类库是.Net FrameWork SDK的真子集。

2、VB6.0:通过ADO(Active X Data Object,即:Active X数据对象)来实现对数据库访问的。同时为了保证对早期版本的兼容,也提供RDO(远程数据对象)和DAO(数据访问对象)二种数据访问技术。

三、创建WEB应用方式不同

1、Visual Studio中的VB:是使用ASP.NET技术来编写Web页面。在ASP.NET中使用的也不再是脚本语言,而是真正意义编程语言,其中就可以是VB.NET

2、VB6.0:是使用Active Server Page(简称ASP)来创建在 Web应用程序。在ASP中,编写Web页面并非纯正的VB语言,而是VB脚本语言--VBScript。

参考资料来源:百度百科-Visual Basic

参考资料来源:百度百科-VB.NET

vb 中 pset (500,800) 这个点,在vb.net中怎么写,求代码,谢谢

在VB.NET用绘制实心圆来完成:

下面代码是用黑色在PictureBox1控件上,'绘制一个实心圆,该圆在:直线x=200,y=200,x=200+4,y=200+4所划的矩形区域内。

PictureBox1.CreateGraphics.FillEllipse(Brushes.Black, 200, 200, 4, 4)

绘制空心圆代码如下:

PictureBox1.CreateGraphics.DrawEllipse(Pens.Black, 200, 300, 4, 4)

注意:当最后两个数值不一样时,绘制椭圆。

vb.net编写的贪吃蛇游戏,带代码的

需用VB实现,代码如下

'定义蛇的运动速度枚举值

Private Enum tpsSpeed

QUICKLY = 0

SLOWLY = 1

End Enum

'定义蛇的运动方向枚举值

Private Enum tpsDirection

D_UP = 38

D_DOWN = 40

D_LEFT = 37

D_RIGHT = 39

End Enum

'定义运动区域4个禁区的枚举值

Private Enum tpsForbiddenZone

FZ_TOP = 30

FZ_BOTTOM = 5330

FZ_LEFT = 30

FZ_RIGHT = 5730

End Enum

'定义蛇头及身体初始化数枚举值

Private Enum tpsSnake

SNAKEONE = 1

SNAKETWO = 2

SNAKETHREE = 3

SNAKEFOUR = 4

End Enum

'定义蛇宽度的常量

Private Const SNAKEWIDTH As Integer = 100

'该过程用于显示游戏信息

Private Sub Form_Load()

Me.Show

Me.lblTitle = "BS贪食蛇 — (版本 " App.Major "." App.Minor "." App.Revision ")"

Me.Caption = Me.lblTitle.Caption

frmSplash.Show 1

End Sub

'该过程用于使窗体恢复原始大小

Private Sub Form_Resize()

If Me.WindowState 1 Then

Me.Caption = ""

Me.Height = 6405 '窗体高度为 6405 缇

Me.Width = 8535 '窗体宽度为 8535 缇

Me.Left = (Screen.Width - Width) \ 2

Me.Top = (Screen.Height - Height) \ 2

End If

End Sub

'该过程用于重新开始开始游戏

Private Sub cmdGameStart_MouseDown(Button As Integer, Shift As Integer, X As Single, Y As Single)

Beep

msg = MsgBox("您确认要重新开始游戏吗?", 4 + 32, "BS贪食蛇")

If msg = 6 Then Call m_subGameInitialize

End Sub

'该过程用于暂停/运行游戏

Private Sub chkPause_MouseDown(Button As Integer, Shift As Integer, X As Single, Y As Single)

If Me.chkPause.Caption = "暂停游戏(P)" Then

Me.tmrSnakeMove.Enabled = False

Me.tmrGameTime.Enabled = False

Me.picMoveArea.Enabled = False

Me.lblPauseLab.Visible = True

Me.chkPause.Caption = "继续游戏(R)"

Else

Me.tmrSnakeMove.Enabled = True

Me.tmrGameTime.Enabled = True

Me.picMoveArea.Enabled = True

Me.lblPauseLab.Visible = False

Me.chkPause.Caption = "暂停游戏(P)"

End If

End Sub

'该过程用于显示游戏规则

Private Sub cmdGameRules_MouseDown(Button As Integer, Shift As Integer, X As Single, Y As Single)

Beep

MsgBox " BS贪食蛇:一个规则最简单的趣味游戏,您将用键盘" Chr(13) _

"上的4个方向键来控制蛇的运动方向。在运动过程中蛇" Chr(13) _

"不能后退,蛇的头部也不能接触到运动区域的边线以外" Chr(13) _

"和蛇自己的身体,否则就游戏失败。在吃掉随机出现的" Chr(13) _

"果子后,蛇的身体会变长,越长难度越大。祝您好运!!", 0 + 64, "游戏规则"

End Sub

'该过程用于显示游戏开发信息

Private Sub cmdAbout_MouseDown(Button As Integer, Shift As Integer, X As Single, Y As Single)

Beep

MsgBox "BS贪食蛇" "(V-" App.Major "." App.Minor "版本)" Chr(13) Chr(13) _

"" Chr(13) Chr(13) _

"由PigheadPrince设计制作" Chr(13) _

"CopyRight(C)2002,BestSoft.TCG", 0, "关于本游戏"

End Sub

'该过程用于退出游戏

Private Sub cmdExit_MouseDown(Button As Integer, Shift As Integer, X As Single, Y As Single)

Beep

msg = MsgBox("您要退出本游戏吗?", 4 + 32, "BS贪食蛇")

Select Case msg

Case 6

End

Case 7

Me.chkWindowButton(2).Value = 0

Exit Sub

End Select

End Sub

'该过程用于拖动窗体_(点击图标)

Private Sub imgWindowTop_MouseDown(Button As Integer, Shift As Integer, X As Single, Y As Single)

ReleaseCapture

SendMessage Me.hwnd, WM_SYSCOMMAND, SC_MOVE, 0

End Sub

'该共用过程用于处理窗体控制按钮组的相关操作_(锁定、最小化、退出)

Private Sub chkWindowButton_MouseUp(Index As Integer, Button As Integer, Shift As Integer, X As Single, Y As Single)

If Button 1 Then Exit Sub

Select Case Index

Case 0 '锁定窗体

If Me.chkWindowButton(0).Value = 1 Then

Me.imgWindowTop.BorderStyle = 0

Me.imgWindowTop.Enabled = False

Else

Me.imgWindowTop.BorderStyle = 1

Me.imgWindowTop.Enabled = True

End If

Case 1 '最小化

Me.WindowState = 1

Me.chkWindowButton(1).Value = 0

Me.Caption = "BS贪食蛇 — (V-" App.Major "." App.Minor "版本)"

Case 2 '退出

Beep

msg = MsgBox("您要退出本游戏吗?", 4 + 32, "BS贪食蛇")

Select Case msg

Case 6

End

Case 7

Me.chkWindowButton(2).Value = 0

Exit Sub

End Select

End Select

End Sub

'该过程用于设置蛇运动速度的快慢

Private Sub hsbGameSpeed_Change()

Me.tmrSnakeMove.Interval = Me.hsbGameSpeed.Value

End Sub

'该过程用于通过键盘的方向键改变蛇的运动方向

Private Sub picMoveArea_KeyDown(KeyCode As Integer, Shift As Integer)

Select Case g_intDirection

Case D_UP

If KeyCode = D_DOWN Then Exit Sub

Case D_DOWN

If KeyCode = D_UP Then Exit Sub

Case D_LEFT

If KeyCode = D_RIGHT Then Exit Sub

Case D_RIGHT

If KeyCode = D_LEFT Then Exit Sub

End Select

g_intDirection = KeyCode

End Sub

'该计时循环过程用于计算游戏耗费的秒数并显示

Private Sub tmrGameTime_Timer()

g_lngGameTime = g_lngGameTime + 1

Me.lblGameTime.Caption = g_lngGameTime "秒"

End Sub

'该计时循环过程用于控制蛇的行动轨迹

Private Sub tmrSnakeMove_Timer()

Dim lngSnakeX As Long, lngSnakeY As Long, lngSnakeColor As Long

Dim lngPointX As Long, lngPointY As Long, lngPointColor As Long

Randomize

Me.picMoveArea.SetFocus

Me.picMoveArea.Cls

'确认蛇头的运动方向并获取新的位置

Select Case g_intDirection

Case D_UP '向上运动

g_udtSnake(SNAKEONE).Snake_CurX = g_udtSnake(SNAKEONE).Snake_OldX

g_udtSnake(SNAKEONE).Snake_CurY = g_udtSnake(SNAKEONE).Snake_OldY

g_udtSnake(SNAKEONE).Snake_CurY = g_udtSnake(SNAKEONE).Snake_CurY - SNAKEWIDTH

Case D_DOWN '向下运动

g_udtSnake(SNAKEONE).Snake_CurX = g_udtSnake(SNAKEONE).Snake_OldX

g_udtSnake(SNAKEONE).Snake_CurY = g_udtSnake(SNAKEONE).Snake_OldY

g_udtSnake(SNAKEONE).Snake_CurY = g_udtSnake(SNAKEONE).Snake_CurY + SNAKEWIDTH

Case D_LEFT '向左运动

g_udtSnake(SNAKEONE).Snake_CurX = g_udtSnake(SNAKEONE).Snake_OldX

g_udtSnake(SNAKEONE).Snake_CurX = g_udtSnake(SNAKEONE).Snake_CurX - SNAKEWIDTH

g_udtSnake(SNAKEONE).Snake_CurY = g_udtSnake(SNAKEONE).Snake_OldY

Case D_RIGHT '向右运动

g_udtSnake(SNAKEONE).Snake_CurX = g_udtSnake(SNAKEONE).Snake_OldX

g_udtSnake(SNAKEONE).Snake_CurX = g_udtSnake(SNAKEONE).Snake_CurX + SNAKEWIDTH

g_udtSnake(SNAKEONE).Snake_CurY = g_udtSnake(SNAKEONE).Snake_OldY

End Select

'根据新的位置绘制蛇头

lngSnakeX = g_udtSnake(SNAKEONE).Snake_CurX

lngSnakeY = g_udtSnake(SNAKEONE).Snake_CurY

lngSnakeColor = g_udtSnake(SNAKEONE).Snake_Color

Me.picMoveArea.PSet (lngSnakeX, lngSnakeY), lngSnakeColor

'移动蛇身体其他部分的位置

For i = 2 To g_intSnakeLength

g_udtSnake(i).Snake_CurX = g_udtSnake(i - 1).Snake_OldX

g_udtSnake(i).Snake_CurY = g_udtSnake(i - 1).Snake_OldY

lngSnakeX = g_udtSnake(i).Snake_CurX

lngSnakeY = g_udtSnake(i).Snake_CurY

lngSnakeColor = g_udtSnake(i).Snake_Color

Me.picMoveArea.PSet (lngSnakeX, lngSnakeY), lngSnakeColor

Next i

'更新蛇旧的坐标位置

For j = 1 To g_intSnakeLength

g_udtSnake(j).Snake_OldX = g_udtSnake(j).Snake_CurX

g_udtSnake(j).Snake_OldY = g_udtSnake(j).Snake_CurY

Next j

'判断蛇在移动中是否到了禁区而导致游戏失败

If m_funMoveForbiddenZone(g_udtSnake(SNAKEONE).Snake_CurX, g_udtSnake(SNAKEONE).Snake_CurY) Then

Beep

MsgBox "您的蛇移动到了禁区,游戏失败!", 0 + 16, "BS贪食蛇"

Me.tmrSnakeMove.Enabled = False

Me.tmrGameTime.Enabled = False

Me.picMoveArea.Visible = False

Exit Sub

End If

'判断蛇在移动中是否碰到了自己的身体而导致游戏失败

If m_funTouchSnakeBody(g_udtSnake(SNAKEONE).Snake_CurX, g_udtSnake(SNAKEONE).Snake_CurY) Then

Beep

MsgBox "您的蛇在移动中碰到了自己的身体,游戏失败!", 0 + 16, "BS贪食蛇"

Me.tmrSnakeMove.Enabled = False

Me.tmrGameTime.Enabled = False

Me.picMoveArea.Visible = False

Exit Sub

End If

'判断蛇是否吃到了果子

If m_funEatPoint(g_udtSnake(SNAKEONE).Snake_CurX, g_udtSnake(SNAKEONE).Snake_CurY) Then

'累加玩家的得分并刷新得分显示

g_intPlayerScore = g_intPlayerScore + 1

Me.lblYourScore.Caption = g_intPlayerScore "分"

Call m_subAddSnake '加长蛇的身体

Call m_subGetPoint '获取下一个果子的位置和颜色

Else

'绘制果子

lngPointX = g_udtPoint.Point_X

lngPointY = g_udtPoint.Point_Y

lngPointColor = g_udtPoint.Point_Color

Me.picMoveArea.PSet (lngPointX, lngPointY), lngPointColor

End If

End Sub

'该私有子过程用于初始化游戏

Private Sub m_subGameInitialize()

Erase g_udtSnake '清空蛇的结构数组

g_intPlayerScore = 0 '清空玩家的得分

g_lngGameTime = 0 '清空游戏耗费的秒数

g_intDirection = D_DOWN '设定蛇的初始运动方向为下

g_intSnakeLength = 4 '设定蛇的初始长度

ReDim g_udtSnake(1 To g_intSnakeLength) '重新定义蛇的长度

'定义蛇头部的数据

With g_udtSnake(SNAKEONE)

.Snake_OldX = 530

.Snake_OldY = 530

.Snake_Color = vbBlack

End With

'定义蛇身第2节的数据

With g_udtSnake(SNAKETWO)

.Snake_OldX = 530

.Snake_OldY = 430

.Snake_Color = vbGreen

End With

'定义蛇身第3节的数据

With g_udtSnake(SNAKETHREE)

.Snake_OldX = 530

.Snake_OldY = 330

.Snake_Color = vbYellow

End With

'定义蛇身第4节的数据

With g_udtSnake(SNAKEFOUR)

.Snake_OldX = 530

.Snake_OldY = 230

.Snake_Color = vbRed

End With

Me.picMoveArea.Visible = True

Me.lblYourScore.Caption = g_intPlayerScore "分"

Me.lblGameTime.Caption = g_lngGameTime "秒"

Me.tmrSnakeMove.Interval = Me.hsbGameSpeed.Value

Me.tmrSnakeMove.Enabled = True

Me.tmrGameTime.Enabled = True

Call m_subGetPoint '获取第一个果子的位置和颜色

End Sub


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