用VB编写一个小游戏

'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()
MeShow
MelblTitle = "BS贪食蛇 — (版本 " & AppMajor & "" & AppMinor & "" & AppRevision & ")"
MeCaption = MelblTitleCaption
frmSplashShow 1
End Sub

'该过程用于使窗体恢复原始大小
Private Sub Form_Resize()
If MeWindowState > 1 Then
MeCaption = ""
MeHeight = 6405 '窗体高度为 6405 缇
MeWidth = 8535 '窗体宽度为 8535 缇
MeLeft = (ScreenWidth - Width) \ 2
MeTop = (ScreenHeight - 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 MechkPauseCaption = "暂停游戏(&P)" Then
MetmrSnakeMoveEnabled = False
MetmrGameTimeEnabled = False
MepicMoveAreaEnabled = False
MelblPauseLabVisible = True
MechkPauseCaption = "继续游戏(&R)"
Else
MetmrSnakeMoveEnabled = True
MetmrGameTimeEnabled = True
MepicMoveAreaEnabled = True
MelblPauseLabVisible = False
MechkPauseCaption = "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-" & AppMajor & "" & AppMinor & "版本)" & Chr(13) & Chr(13) & _
"" & Chr(13) & Chr(13) & _
"由PigheadPrince设计制作" & Chr(13) & _
"CopyRight(C)2002,BestSoftTCG", 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
MechkWindowButton(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 Mehwnd, 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 MechkWindowButton(0)Value = 1 Then
MeimgWindowTopBorderStyle = 0
MeimgWindowTopEnabled = False
Else
MeimgWindowTopBorderStyle = 1
MeimgWindowTopEnabled = True
End If
Case 1 '最小化
MeWindowState = 1
MechkWindowButton(1)Value = 0
MeCaption = "BS贪食蛇 — (V-" & AppMajor & "" & AppMinor & "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
MechkWindowButton(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()
MetmrSnakeMoveInterval = MehsbGameSpeedValue
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
MelblGameTimeCaption = 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
MepicMoveAreaSetFocus
MepicMoveAreaCls
'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
MepicMoveAreaPSet (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
MepicMoveAreaPSet (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"
MetmrSnakeMoveEnabled = False
MetmrGameTimeEnabled = False
MepicMoveAreaVisible = 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"
MetmrSnakeMoveEnabled = False
MetmrGameTimeEnabled = False
MepicMoveAreaVisible = 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
MelblYourScoreCaption = 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_udtPointPoint_X
lngPointY = g_udtPointPoint_Y
lngPointColor = g_udtPointPoint_Color
MepicMoveAreaPSet (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
MepicMoveAreaVisible = True
MelblYourScoreCaption = g_intPlayerScore & "分"
MelblGameTimeCaption = g_lngGameTime & "秒"
MetmrSnakeMoveInterval = MehsbGameSpeedValue
MetmrSnakeMoveEnabled = True
MetmrGameTimeEnabled = True
Call m_subGetPoint '获取第一个果子的位置和颜色
End Sub

'该私有子过程用于返回获取的果子的位置和颜色信息
Private Sub m_subGetPoint()
Dim lngRedValue As Long, lngGreenValue As Long, lngBlueValue As Long
Dim lngPointX As Long, lngPointY As Long, lngPointColor As Long
'随机获取果子的颜色
lngRedValue = Int((255 - 0 + 1) Rnd + 0)
lngGreenValue = Int((255 - 0 + 1) Rnd + 0)
lngBlueValue = Int((255 - 0 + 1) Rnd + 0)
lngPointColor = RGB(lngRedValue, lngGreenValue, lngBlueValue)
'随机获取果子的位置
lngPointX = Int((FZ_LEFT - FZ_RIGHT + 1) Rnd + FZ_RIGHT)
lngPointY = Int((FZ_TOP - FZ_BOTTOM + 1) Rnd + FZ_BOTTOM)
MePSet (lngPointX, lngPointY), lngPointColor
'设置函数返回值
With g_udtPoint
Point_X = lngPointX
Point_Y = lngPointY
Point_Color = lngPointColor
End With
End Sub