>_<:Only a little change in the function of MyPaint(...),besides the
initial value have some changes.
>_<:resource
>_<:code:
1 #include <windows.h>
2 // C 运行时头文件
3 #include <stdlib.h>
4 #include <cstdio>
5 #include <malloc.h>
6 #include <memory.h>
7 #include <tchar.h>
8 #include <time.h>
9 #include <string>
10 #include <cmath>
11
12 // 全局变量:
13 HINSTANCE hInst; // 当前实例
14 HBITMAP bg , ball[2];
15 HDC hdc,mdc,bufdc;
16 HWND hWnd;
17 RECT rect;//窗口矩形
18 int x[2] , y[2];//位置
19 int vx[2] , vy[2];//速度
20 int ax[2] , ay[2];//加速度
21 int t=1 , num=0;//时间
22
23 // 此代码模块中包含的函数的前向声明:
24 ATOM MyRegisterClass(HINSTANCE hInstance);
25 BOOL InitInstance(HINSTANCE, int);
26 LRESULT CALLBACK WndProc(HWND, UINT, WPARAM, LPARAM);
27 INT_PTR CALLBACK About(HWND, UINT, WPARAM, LPARAM);
28 void MyPaint(HDC hdc);
29
30
31 int APIENTRY _tWinMain(HINSTANCE hInstance,
32 HINSTANCE hPrevInstance,
33 LPTSTR lpCmdLine,
34 int nCmdShow){
35
36 MSG msg;
37 MyRegisterClass(hInstance);
38 // 执行应用程序初始化:
39 if (!InitInstance (hInstance, nCmdShow)){
40 return FALSE;
41 }
42 // 主消息循环:
43 while (GetMessage(&msg, NULL, 0, 0)){
44 TranslateMessage(&msg);
45 DispatchMessage(&msg);
46 }
47 return (int) msg.wParam;
48 }
49
50 // 函数: MyRegisterClass()
51 //
52 // 目的: 注册窗口类。
53 ATOM MyRegisterClass(HINSTANCE hInstance){
54 WNDCLASSEX wcex;
55
56 wcex.cbSize = sizeof(WNDCLASSEX);
57
58 wcex.style = CS_HREDRAW | CS_VREDRAW;
59 wcex.lpfnWndProc = WndProc;
60 wcex.cbClsExtra = 0;
61 wcex.cbWndExtra = 0;
62 wcex.hInstance = hInstance;
63 wcex.hIcon = NULL;
64 wcex.hCursor = LoadCursor(NULL, IDC_ARROW);
65 wcex.hbrBackground = (HBRUSH)(COLOR_WINDOW+1);
66 wcex.lpszMenuName = "Beautifulzzzz";
67 wcex.lpszClassName = "Beautifulzzzz";
68 wcex.hIconSm = NULL;
69
70 return RegisterClassEx(&wcex);
71 }
72
73 //
74 // 函数: InitInstance(HINSTANCE, int)
75 //
76 // 目的: 保存实例句柄并创建主窗口
77 //
78 // 注释:
79 //
80 // 在此函数中，我们在全局变量中保存实例句柄并
81 // 创建和显示主程序窗口。
82 // 棋盘拼接以及调用InitGame()开始棋局
83 BOOL InitInstance(HINSTANCE hInstance, int nCmdShow){
84 HBITMAP bmp;
85 hInst = hInstance; // 将实例句柄存储在全局变量中
86
87 hWnd = CreateWindow("Beautifulzzzz","Beautifulzzzz", WS_OVERLAPPEDWINDOW,
88 CW_USEDEFAULT, 0, CW_USEDEFAULT, 0, NULL, NULL, hInstance, NULL);
89
90 if (!hWnd)
91 {
92 return FALSE;
93 }
94
95 MoveWindow(hWnd,10,10,600,450,true);
96 ShowWindow(hWnd, nCmdShow);
97 UpdateWindow(hWnd);
98
99 hdc=GetDC(hWnd);
100 mdc=CreateCompatibleDC(hdc);
101 bufdc=CreateCompatibleDC(hdc);
102
103 bmp=CreateCompatibleBitmap(hdc,600,480);
104 SelectObject(mdc,bmp);
105
106 bg=(HBITMAP)LoadImageA(NULL,"bg.bmp",IMAGE_BITMAP,640,480,LR_LOADFROMFILE);
107 ball[0]=(HBITMAP)LoadImageA(NULL,"ball0.bmp",IMAGE_BITMAP,52,26,LR_LOADFROMFILE);
108 ball[1]=(HBITMAP)LoadImageA(NULL,"ball1.bmp",IMAGE_BITMAP,52,26,LR_LOADFROMFILE);
109
110 GetClientRect(hWnd,&rect);//取得内部窗口区域的大小；
111
112 x[0]=0;y[0]=100;vx[0]=5;vy[0]=0;ax[0]=0;ay[0]=1;
113
114 SetTimer(hWnd,1,10,NULL);
115 MyPaint(hdc);
116
117 return TRUE;
118 }
119
120 //
121 // 函数: WndProc(HWND, UINT, WPARAM, LPARAM)
122 //
123 // 目的: 处理主窗口的消息。
124 //
125 // WM_COMMAND - 处理应用程序菜单
126 // WM_PAINT - 绘制主窗口
127 // WM_DESTROY - 发送退出消息并返回
128 //
129 LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam){
130 int wmId, wmEvent;
131 PAINTSTRUCT ps;
132
133 switch (message){
134 case WM_TIMER:
135 A:MyPaint(hdc);
136 break;
137 case WM_PAINT:
138 hdc = BeginPaint(hWnd, &ps);
139 goto A;// TODO: 在此添加任意绘图代码...
140 EndPaint(hWnd, &ps);
141 break;
142 case WM_DESTROY:
143 DeleteDC(mdc);
144 DeleteDC(bufdc);
145 DeleteObject(bg);
146 DeleteObject(ball[0]);
147 DeleteObject(ball[1]);
148
149 KillTimer(hWnd,1);
150 ReleaseDC(hWnd,hdc);
151
152 PostQuitMessage(0);
153 break;
154 default:
155 return DefWindowProc(hWnd, message, wParam, lParam);
156 }
157 return 0;
158 }
159
160 //MyPaint()
161 //1、窗口贴图
162 //2、计算小球贴图坐标并判断小球是否碰撞窗口边缘
163 void MyPaint(HDC hdc){
164 SelectObject(bufdc,bg);
165 BitBlt(mdc,0,0,640,480,bufdc,0,0,SRCCOPY);
166
167 SelectObject(bufdc,ball[0]);
168 BitBlt(mdc,x[0],y[0],26,26,bufdc,26,0,SRCAND);
169 BitBlt(mdc,x[0],y[0],26,26,bufdc,0,0,SRCPAINT);
170
171 BitBlt(hdc,0,0,640,480,mdc,0,0,SRCCOPY);
172
173 for(int i=0;i<1;i++){
174 //计算x轴方向坐标及速度
175 vx[i]+=ax[i];
176 x[i]+=vx[i];
177
178 if(x[i]<=0){
179 x[i]=0;
180 vx[i]=-vx[i];
181 }else if(x[i]>=rect.right-26){
182 x[i]=rect.right-26;
183 vx[i]=-vx[i];
184 }
185 //计算y轴方向坐标及速度
186 vy[i]+=ay[i];
187 y[i]+=vy[i];
188
189 if(y[i]<=0){
190 y[i]=0;
191 vy[i]=-vy[i]-1;
192 }else if(y[i]>=rect.bottom-26){
193 y[i]=rect.bottom-26;
194 vy[i]=-vy[i]-1;
195 }
196 }
197 }
[游戏模版21] Win32 物理引擎 能量守恒,布布扣,bubuko.com
时间： 2024-12-19 15:34:23