>_<:Learning the physical engine
>_<: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 DWORD tPre,tNow,tCheck;
18 RECT rect;//窗口矩形
19 int x[2];
20 int y[2];
21 int vx[2];
22 int vy[2];
23
24 // 此代码模块中包含的函数的前向声明:
25 ATOM MyRegisterClass(HINSTANCE hInstance);
26 BOOL InitInstance(HINSTANCE, int);
27 LRESULT CALLBACK WndProc(HWND, UINT, WPARAM, LPARAM);
28 INT_PTR CALLBACK About(HWND, UINT, WPARAM, LPARAM);
29 void MyPaint(HDC hdc);
30
31
32 int APIENTRY _tWinMain(HINSTANCE hInstance,
33 HINSTANCE hPrevInstance,
34 LPTSTR lpCmdLine,
35 int nCmdShow){
36
37 MSG msg;
38 MyRegisterClass(hInstance);
39 // 执行应用程序初始化:
40 if (!InitInstance (hInstance, nCmdShow)){
41 return FALSE;
42 }
43 // 主消息循环:
44 while (GetMessage(&msg, NULL, 0, 0)){
45 TranslateMessage(&msg);
46 DispatchMessage(&msg);
47 }
48 return (int) msg.wParam;
49 }
50
51 // 函数: MyRegisterClass()
52 //
53 // 目的: 注册窗口类。
54 ATOM MyRegisterClass(HINSTANCE hInstance){
55 WNDCLASSEX wcex;
56
57 wcex.cbSize = sizeof(WNDCLASSEX);
58
59 wcex.style = CS_HREDRAW | CS_VREDRAW;
60 wcex.lpfnWndProc = WndProc;
61 wcex.cbClsExtra = 0;
62 wcex.cbWndExtra = 0;
63 wcex.hInstance = hInstance;
64 wcex.hIcon = NULL;
65 wcex.hCursor = LoadCursor(NULL, IDC_ARROW);
66 wcex.hbrBackground = (HBRUSH)(COLOR_WINDOW+1);
67 wcex.lpszMenuName = "Beautifulzzzz";
68 wcex.lpszClassName = "Beautifulzzzz";
69 wcex.hIconSm = NULL;
70
71 return RegisterClassEx(&wcex);
72 }
73
74 //
75 // 函数: InitInstance(HINSTANCE, int)
76 //
77 // 目的: 保存实例句柄并创建主窗口
78 //
79 // 注释:
80 //
81 // 在此函数中，我们在全局变量中保存实例句柄并
82 // 创建和显示主程序窗口。
83 // 棋盘拼接以及调用InitGame()开始棋局
84 BOOL InitInstance(HINSTANCE hInstance, int nCmdShow){
85 HBITMAP bmp;
86 hInst = hInstance; // 将实例句柄存储在全局变量中
87
88 hWnd = CreateWindow("Beautifulzzzz","Beautifulzzzz", WS_OVERLAPPEDWINDOW,
89 CW_USEDEFAULT, 0, CW_USEDEFAULT, 0, NULL, NULL, hInstance, NULL);
90
91 if (!hWnd)
92 {
93 return FALSE;
94 }
95
96 MoveWindow(hWnd,10,10,600,450,true);
97 ShowWindow(hWnd, nCmdShow);
98 UpdateWindow(hWnd);
99
100 hdc=GetDC(hWnd);
101 mdc=CreateCompatibleDC(hdc);
102 bufdc=CreateCompatibleDC(hdc);
103
104 bmp=CreateCompatibleBitmap(hdc,600,480);
105 SelectObject(mdc,bmp);
106
107 bg=(HBITMAP)LoadImageA(NULL,"bg.bmp",IMAGE_BITMAP,640,480,LR_LOADFROMFILE);
108 ball[0]=(HBITMAP)LoadImageA(NULL,"ball0.bmp",IMAGE_BITMAP,52,26,LR_LOADFROMFILE);
109 ball[1]=(HBITMAP)LoadImageA(NULL,"ball1.bmp",IMAGE_BITMAP,52,26,LR_LOADFROMFILE);
110
111 GetClientRect(hWnd,&rect);//取得内部窗口区域的大小；
112
113 x[0]=50;y[0]=50;vx[0]=4;vy[0]=4;
114 x[1]=380;y[1]=380;vx[1]=-4;vy[1]=-4;
115
116 SetTimer(hWnd,1,10,NULL);
117 MyPaint(hdc);
118
119 return TRUE;
120 }
121
122 //
123 // 函数: WndProc(HWND, UINT, WPARAM, LPARAM)
124 //
125 // 目的: 处理主窗口的消息。
126 //
127 // WM_COMMAND - 处理应用程序菜单
128 // WM_PAINT - 绘制主窗口
129 // WM_DESTROY - 发送退出消息并返回
130 //
131 LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam){
132 int wmId, wmEvent;
133 PAINTSTRUCT ps;
134
135 switch (message){
136 case WM_TIMER:
137 A:MyPaint(hdc);
138 break;
139 case WM_PAINT:
140 hdc = BeginPaint(hWnd, &ps);
141 goto A;// TODO: 在此添加任意绘图代码...
142 EndPaint(hWnd, &ps);
143 break;
144 case WM_DESTROY:
145 DeleteDC(mdc);
146 DeleteDC(bufdc);
147 DeleteObject(bg);
148 DeleteObject(ball[0]);
149 DeleteObject(ball[1]);
150
151 KillTimer(hWnd,1);
152 ReleaseDC(hWnd,hdc);
153
154 PostQuitMessage(0);
155 break;
156 default:
157 return DefWindowProc(hWnd, message, wParam, lParam);
158 }
159 return 0;
160 }
161
162 //MyPaint()
163 //1、窗口贴图
164 //2、计算小球贴图坐标并判断小球是否碰撞窗口边缘
165 void MyPaint(HDC hdc){
166 SelectObject(bufdc,bg);
167 BitBlt(mdc,0,0,640,480,bufdc,0,0,SRCCOPY);
168
169 SelectObject(bufdc,ball[0]);
170 BitBlt(mdc,x[0],y[0],26,26,bufdc,26,0,SRCAND);
171 BitBlt(mdc,x[0],y[0],26,26,bufdc,0,0,SRCPAINT);
172
173 SelectObject(bufdc,ball[1]);
174 BitBlt(mdc,x[1],y[1],26,26,bufdc,26,0,SRCAND);
175 BitBlt(mdc,x[1],y[1],26,26,bufdc,0,0,SRCPAINT);
176
177 BitBlt(hdc,0,0,640,480,mdc,0,0,SRCCOPY);
178
179 for(int i=0;i<2;i++){
180 //计算x轴方向贴图坐标与速度
181 x[i]+=vx[i];
182 if(x[i]<=0){
183 x[i]=0;
184 vx[i]=-vx[i];
185 }else if(x[i]>=rect.right-26){
186 x[i]=rect.right-26;
187 vx[i]=-vx[i];
188 }
189
190 //计算y轴方向坐标及速度
191 y[i]+=vy[i];
192 if(y[i]<=0){
193 y[i]=0;
194 vy[i]=-vy[i];
195 }else if(y[i]>=rect.bottom-26){
196 y[i]=rect.bottom-26;
197 vy[i]=-vy[i];
198 }
199 }
200
201 if((x[0]-x[1])*(x[0]-x[1])+(y[0]-y[1])*(y[0]-y[1])<=1000){
202 vx[0]=-vx[0];vy[0]=-vy[0];
203 vx[1]=-vx[1];vy[1]=-vy[1];
204 }
205 }
[游戏模版19] Win32 物理引擎 匀速运动,布布扣,bubuko.com
时间： 2024-02-20 11:29:36