1 // wanwan.cpp : 定义应用程序的入口点。
2 //
3
4
5 #include <windows.h>
6
7 #include<time.h>
8 #define LEFT VK_LEFT
9 #define RIGHT VK_RIGHT
10 #define DOWN VK_DOWN
11 #define UP VK_UP
12
13
14
15 LRESULT CALLBACK WindowProcedure (HWND, UINT, WPARAM, LPARAM);
16
17 /* Make the class name into a global variable */
18 TCHAR szClassName[ ] = TEXT("WindowsApp");
19
20 int WINAPI WinMain (HINSTANCE hThisInstance,
21 HINSTANCE hPrevInstance,
22 LPSTR lpszArgument,
23 int nFunsterStil)
24
25 {
26 HWND hwnd;
27 MSG messages;
28 WNDCLASSEX wincl;
29
30 wincl.hInstance = hThisInstance;
31 wincl.lpszClassName = szClassName;
32 wincl.lpfnWndProc = WindowProcedure;
33 wincl.style = CS_GLOBALCLASS;
34 wincl.cbSize = sizeof (WNDCLASSEX);
35
36
37 wincl.hIcon = LoadIcon (NULL, IDI_APPLICATION);
38 wincl.hIconSm = LoadIcon (NULL, IDI_APPLICATION);
39 wincl.hCursor = LoadCursor (NULL, IDC_ARROW);
40 wincl.lpszMenuName = NULL; /* No menu */
41 wincl.cbClsExtra = 0; /* No extra bytes after the window class */
42 wincl.cbWndExtra = 0; /* structure or the window instance */
43 /* Use Windows's default color as the background of the window */
44 wincl.hbrBackground = (HBRUSH)GetStockObject(WHITE_BRUSH);
45
46 /* Register the window class, and if it fails quit the program */
47 if (!RegisterClassEx (&wincl))
48 return 0;
49
50 /* The class is registered, let's create the program*/
51 hwnd = CreateWindowEx (
52 WS_EX_TOOLWINDOW, /* Extended possibilites for variation */
53 szClassName, /* Classname */
54 TEXT("SNAKE"), /* Title Text */
55 WS_SYSMENU, /* default window */
56 CW_USEDEFAULT, /* Windows decides the position */
57 CW_USEDEFAULT, /* where the window ends up on the screen */
58 540, /* The programs width */
59 380, /* and height in pixels */
60 HWND_DESKTOP, /* The window is a child-window to desktop */
61 NULL, /* No menu */
62 hThisInstance, /* Program Instance handler */
63 NULL /* No Window Creation data */
64 );
65
66 /* Make the window visible on the screen */
67 ShowWindow (hwnd, nFunsterStil);
68
69 /* Run the message loop. It will run until GetMessage() returns 0 */
70 while (GetMessage (&messages, NULL, 0, 0))
71 {
72 /* Translate virtual-key messages into character messages */
73 TranslateMessage(&messages);
74 /* Send message to WindowProcedure */
75 DispatchMessage(&messages);
76 }
77
78 /* The program return-value is 0 - The value that PostQuitMessage() gave */
79 return messages.wParam;
80 }
81 typedef struct snake
82 {
83 POINT node[1000];
84 int num;
85 int direct;
86 int life;
87 }snk;
88
89 snk a={{{80,60},{60,60}},2,RIGHT,1};
90
91 void rect(HDC hdc,POINT p,int a)
92 {
93 Ellipse(hdc,p.x,p.y,p.x+a,p.y+a);//？？？为什么设为零不行
94 }
95
96
97 // 用来判断边界！！
98 int ismax(POINT a,POINT b,POINT c,int l)
99 {
100 if((a.x<b.x)||(a.x>c.x)||(a.y>c.y)||(a.y<b.y))
101 return 1;
102 else return 0;
103 }
104
105
106 /* This function is called by the Windows function DispatchMessage() */
107
108
109 LRESULT CALLBACK WindowProcedure (HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
110 {
111 HDC hdc;
112 PAINTSTRUCT ps;
113 static HPEN hpen=CreatePen(PS_SOLID,4,RGB(200,0,10)),hpen1=CreatePen(PS_SOLID,4,RGB(0,200,0)),hpen2=CreatePen(PS_SOLID,4,RGB(0,200,200));
114 static HPEN hpenw=CreatePen(PS_SOLID,4,RGB(255,255,255));
115 static int x=0,y=0,score=0,rank=1;
116 static POINT bound1={0,20},bound2;
117 static POINT food={200,200};
118 TCHAR sco[50];
119 static int intv=200;//代表200毫秒
120 static POINT era;
121
122 int i;
123 srand(time(NULL));
124 switch (message) /* handle the messages */
125 {
126 case WM_CREATE:
127 SetTimer(hwnd,1,intv,NULL);
128 break;
129 case WM_DESTROY:
130
131 KillTimer(hwnd,1);
132 PostQuitMessage (0); /* send a WM_QUIT to the message queue */
133 break;
134 case WM_SIZE:
135 bound2.x=LOWORD(lParam);
136 bound2.y=HIWORD(lParam);
137 x=bound2.x/2;y=bound2.y/2;
138 break;
139 case WM_TIMER:
140 era=a.node[a.num-1];
141 for(i=a.num-1;i>=1;i--)
142 a.node[i]=a.node[i-1];
143 switch(a.direct)
144 {
145 case UP:
146 a.node[0].y-=20;break;
147 case DOWN:
148 a.node[0].y+=20;break;
149 case LEFT:
150 a.node[0].x-=20;break;
151 case RIGHT:
152 a.node[0].x+=20;break;
153 }
154
155 InvalidateRect(hwnd,NULL,FALSE);
156 break;
157
158
159
160 case WM_PAINT:
161 if(a.node[0].x==food.x&&a.node[0].y==food.y)
162 {
163
164 a.num++;
165 a.node[a.num-1]=a.node[a.num-2];
166 //防止食物产生在蛇的身上
167
168 for(bool judge=true;judge==true;)
169 {food.x=rand()%(bound2.x/20)*20;
170 food.y=(rand()%((bound2.y-20)/20))*20+20;
171 for(int i=0;i<a.num;i++)
172 if(food.x==a.node[i].x&&food.y==a.node[i].y)
173 judge=true;
174 else
175 judge=false;
176 }
177
178 score+=10;
179 if(score%100==0)//能被100，蛇的移动速度减慢一次
180 {
181 intv-=30;
182 KillTimer(hwnd,1);
183 SetTimer(hwnd,1,intv,NULL);
184 rank++;//在记录分数的时候，分数每增长一位rank需要加1
185 }
186
187 }
188 for(i=1;i<=a.num-1;i++)
189 {
190 if((a.node[0].x==a.node[i].x&&a.node[0].y==a.node[i].y)||ismax(a.node[0],bound1,bound2,19))
191 a.life=0;
192 }
193 if(a.life==1)
194 {
195 wsprintf(sco,TEXT("SCORE: %5d LV: %d"),score,rank);
196 hdc=BeginPaint(hwnd,&ps);
197 TextOut(hdc,20,0,sco,lstrlen(sco));
198 SelectObject(hdc,hpen2);
199 MoveToEx(hdc,0,1,NULL);
200 LineTo(hdc,bound2.x,1);
201 MoveToEx(hdc,0,16,NULL);
202 LineTo(hdc,bound2.x,16);
203 SelectObject(hdc,hpen1);
204 rect(hdc,food,17);
205 SelectObject(hdc,hpen);
206 rect(hdc,a.node[0],17);
207 SelectObject(hdc,hpenw);
208 rect(hdc,era,17);
209 EndPaint(hwnd,&ps);
210 }
211 else
212 {
213 if(MessageBox(NULL,TEXT("a"),TEXT("b"),0)==IDOK);
214 PostQuitMessage (0);
215 }
216
217 break;
218 case WM_KEYDOWN:
219
220
221
222 switch(wParam)
223 {
224 case VK_UP:
225 if(a.direct!=UP&&a.direct!=DOWN)
226 a.direct=UP;
227 break;
228
229 case VK_DOWN:
230 if(a.direct!=UP&&a.direct!=DOWN)
231 a.direct=DOWN;
232 break;
233 case VK_RIGHT:
234 if(a.direct!=RIGHT&&a.direct!=LEFT)
235 a.direct=RIGHT;
236 break;
237 case VK_LEFT:
238 if(a.direct!=RIGHT&&a.direct!=LEFT)
239 a.direct=LEFT;
240 break;
241
242 }
243
244 InvalidateRect(hwnd,NULL,FALSE);
245
246
247 return 0;
248 default: /* for messages that we don't deal with */
249 return DefWindowProc (hwnd, message, wParam, lParam);
250 }
251
252 return 0;
253 }
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