[游戏学习27] MFC 匀速运动

 

>_<:理解上一个时间函数的概念和用法,本节的实现也比较简单

>_<:就是简单的绘图+时间函数

>_<:TicTac.h

 1 #define EX 1            //该点左鼠标
 2 #define OH 2            //该点右鼠标
 3 
 4 class CMyApp : public CWinApp
 5 {
 6 public:
 7     virtual BOOL InitInstance ();
 8 };
 9 
10 class CMainWindow : public CFrameWnd     //不是继承CFrameWnd 因此需要在CMainWindow()自己定义窗口类了
11 {
12 protected:
13     CPoint pos,killpos;
14     int vx,vy,ax,ay;
15     int killvx,killvy,killax,killay;
16     int num,Length;
17 
18 public:
19     CMainWindow ();
20 
21 protected:
22     virtual void PostNcDestroy ();//在程序终止之前销毁CMainWindow对象
23     afx_msg int OnCreate (LPCREATESTRUCT lpcs);
24     afx_msg void OnTimer (UINT nTimerID);
25     DECLARE_MESSAGE_MAP ()
26 };

>_<:TicTac.cpp

  1 #include <afxwin.h>
  2 #include "TicTac.h"
  3 #define ID_TIMER_ELLIPSE 1
  4 #define ID_TIMER_RECTANGLE 2
  5 
  6 CMyApp myApp;
  7 
  8 /////////////////////////////////////////////////////////////////////////
  9 // CMyApp member functions
 10 
 11 BOOL CMyApp::InitInstance ()
 12 {
 13     m_pMainWnd = new CMainWindow;
 14     m_pMainWnd->ShowWindow (m_nCmdShow);
 15     m_pMainWnd->UpdateWindow ();
 16     return TRUE;
 17 }
 18 
 19 /////////////////////////////////////////////////////////////////////////
 20 // CMainWindow message map and member functions
 21 
 22 BEGIN_MESSAGE_MAP (CMainWindow, CFrameWnd)
 23     ON_WM_CREATE ()
 24     ON_WM_TIMER ()
 25 END_MESSAGE_MAP ()
 26 
 27 CMainWindow::CMainWindow ()
 28 {
 29     //初始化游戏
 30     //InitGame();
 31     pos=CPoint(0,0);
 32     vx=killvx=20;
 33     vy=killvy=20 ;
 34     ax=ay=killax=killay=0;
 35     Length=6;
 36     num=0;
 37 
 38 
 39     
 40     //注册一个 WNDCLASS 窗口类.
 41     CString strWndClass = AfxRegisterWndClass (
 42         CS_DBLCLKS,                                        // Class style(有双击时间发生的窗口类型)
 43         AfxGetApp ()->LoadStandardCursor (IDC_ARROW),   // Class cursor(加载一个系统光标,也可自己定义)
 44         (HBRUSH) (COLOR_3DFACE + 1),                    // Background brush(每次::BeginPaint时用它清空客户区);COLOR_3DFACE+1是指定窗口具有与按钮对话框一致的背景色和其他一些3D属性;默认为灰亮色
 45         AfxGetApp ()->LoadStandardIcon (IDI_WINLOGO)    // Class icon(加载系统图标,也可自己定义)
 46     );
 47 
 48     //调用CWnd::CreateEx()创建主窗口
 49     //第一个参数表示0个或是多个WS_EX标志组合;2:AfxRegisterWndClass()返回的WNDCLASS名称;
 50     //3、标题;4、窗口样式
 51     CreateEx (0, strWndClass, _T ("Timer"),
 52         WS_OVERLAPPED | WS_SYSMENU | WS_CAPTION | WS_MINIMIZEBOX,   //WS_THICKFRAME窗口可调大小属性(这里不用)
 53         CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, //初始位置和大小,这里用CW_USEDEFAULT让Windows拾取窗口和大小
 54         NULL, NULL);
 55 
 56     //处理窗口位置和尺寸
 57     CRect rect (0, 0, 840, 400);       //理想客户区窗口矩形形状
 58     CalcWindowRect (&rect);            //根据分辨率、菜单...计算窗口矩形大小(必须在窗口创建后调用)
 59 
 60     SetWindowPos (NULL, 0, 0, rect.Width (), rect.Height (),
 61         SWP_NOZORDER | SWP_NOMOVE | SWP_NOREDRAW);
 62 }
 63 
 64 //在程序结束之前销毁创建的CMainWindow对象
 65 void CMainWindow::PostNcDestroy ()
 66 {
 67     delete this;
 68 }
 69 
 70 
 71 
 72 int CMainWindow::OnCreate (LPCREATESTRUCT lpcs)//回掉函数
 73 {
 74     if (CFrameWnd::OnCreate (lpcs) == -1)
 75         return -1;
 76 
 77     if (!SetTimer (ID_TIMER_ELLIPSE, 100, NULL)) {
 78         MessageBox (_T ("Error: SetTimer failed"));
 79         return -1;
 80     }
 81     return 0;
 82 }
 83 
 84 void CMainWindow::OnTimer (UINT nTimerID)
 85 {
 86     CRect rect;
 87     GetClientRect (&rect);
 88     
 89     
 90     pos.x+=vx;
 91     if(pos.x>rect.right-30){
 92         pos.x=rect.right-30;
 93         vx=-vx;
 94     }
 95     if(pos.x<0){
 96         pos.x=0;
 97         vx=-vx;
 98     }
 99     pos.y+=vy;
100     if(pos.y>rect.bottom-30){
101         pos.y=rect.bottom-30;
102         vy=-vy;
103     }
104     if(pos.y<0){
105         pos.y=0;
106         vy=-vy;
107     }
108 
109 
110     if(num++==0)killpos=pos;
111     if(num>=Length){
112     killpos.x+=killvx;
113     if(killpos.x>rect.right-30){
114         killpos.x=rect.right-30;
115         killvx=-killvx;
116     }
117     if(killpos.x<0){
118         killpos.x=0;
119         killvx=-killvx;
120     }
121     killpos.y+=killvy;
122     if(killpos.y>rect.bottom-30){
123         killpos.y=rect.bottom-30;
124         killvy=-killvy;
125     }
126     if(killpos.y<0){
127         killpos.y=0;
128         killvy=-killvy;
129     }}
130     
131     CClientDC dc (this);
132     
133     
134     CPen pen(PS_NULL,1,RGB(0,0,0));
135     dc.SelectObject(&pen);
136     if(num==1)dc.Rectangle(rect);
137     dc.Ellipse(killpos.x,killpos.y,killpos.x+30,killpos.y+30);
138     ::DeleteObject(&pen);
139 
140     CBrush brush(RGB(10,10,240));
141     dc.SelectObject (&brush);
142     dc.Ellipse(pos.x,pos.y,pos.x+30,pos.y+30);
143     ::DeleteObject(&brush);
144 
145     CBrush brush1(RGB(255,0,0));
146     dc.SelectObject (&brush1);
147     dc.Ellipse(pos.x+5,pos.y+5,pos.x+25,pos.y+25);
148     ::DeleteObject(&brush1);
149 }
posted @ 2014-05-18 17:32  beautifulzzzz  阅读(790)  评论(0编辑  收藏  举报