写了api程序窗口一闪而过，不知怎么回事？求大侠帮忙
#include<windows.h>#include<time.h>
#define LEFT 0X01
#define RIGHT 0X02
#define UP 0x03
#define DOWN 0x04
#define C_W 600
#define C_H 600
typedef struct SNAKE
{
unsigned char head_x;
unsigned char head_y;
unsigned char tail_x;
unsigned char tail_y;
unsigned char h_index;
unsigned char t_index;
unsigned char s_state;
unsigned char foodstate;
unsigned char score;
}Snake;
Snake snake;
typedef struct CNT
{
unsigned char direction;
unsigned char count;
}Count;
Count count[30];
unsigned char map[60][60]={'0'};
LRESULT CALLBACK WndProc(HWND hwnd,UINT msg,WPARAM wParam,LPARAM lParam);
int WINAPI WinMain(HINSTANCE hInstance,
HINSTANCE hPrevInstance,
PSTR szCmdLine,
int iCmdshow)
{
snake.head_x=1;
snake.head_y=0;
snake.tail_x=0;
snake.tail_y=0;
snake.foodstate=1;
snake.s_state=1;
snake.score=0;
count[snake.h_index].count=2;
count[snake.h_index].direction=RIGHT;
count[snake.t_index].count=2;
count[snake.t_index].direction=RIGHT;
static TCHAR szName[]=TEXT("tcs_me");
HWND hwnd;
MSG msg;
WNDCLASS wndclass;
wndclass.cbClsExtra=0;
wndclass.cbWndExtra=0;
wndclass.hbrBackground =(HBRUSH)GetStockObject(WHITE_BRUSH);
wndclass.hCursor =LoadCursor(NULL,IDC_ARROW);
wndclass.hIcon =LoadIcon(NULL,IDI_APPLICATION);
wndclass.hInstance =hInstance;
wndclass.lpfnWndProc =WndProc;
wndclass.lpszClassName =szName;
wndclass.lpszMenuName =NULL;
wndclass.style =CS_HREDRAW|CS_VREDRAW;
RegisterClass(&wndclass);//注册窗口类
hwnd=CreateWindow( szName,
TEXT("贪吃蛇"),
WS_OVERLAPPEDWINDOW,
0,
0,
C_W,
C_H,
NULL,
NULL,
hInstance,
NULL);
ShowWindow(hwnd,iCmdshow);
HDC hdc;
RECT rect;
hdc=GetDC(hwnd);
HBRUSH hbrush;
hbrush=CreateSolidBrush(RGB(255,0,0));
rect.left =0;
rect.top =0;
rect.right =20;
rect.bottom =10;
FillRect(hdc,&rect,hbrush);
UpdateWindow(hwnd);
ReleaseDC(hwnd,hdc);
SetTimer(hwnd,1,100,NULL);
srand((int)time(0));
while(GetMessage(&msg,NULL,0,0))
{
TranslateMessage(&msg);
DispatchMessage(&msg);
}
return msg.wParam;
}
LRESULT CALLBACK WndProc(HWND hwnd,UINT msg,WPARAM wParam,LPARAM lParam)
{
TCHAR szScore[10];
TCHAR f_x,f_y;
HDC hdc;
hdc=GetDC(hwnd);
// RECT rect;
// HBRUSH hbrush;
switch(msg)
{
case WM_KEYDOWN:
{
if(wParam>=VK_LEFT&&wParam<=VK_DOWN)
{
if(snake.s_state==1)snake.s_state=0;
else snake.s_state=1;
}
else if(wParam==VK_LEFT)
{
snake.h_index=(snake.h_index+1)%30;
count[snake.h_index].direction=LEFT;
count[snake.h_index].count=1;
}
else if(wParam==VK_RIGHT)
{
snake.h_index=(snake.h_index+1)%30;
count[snake.h_index].direction=RIGHT;
count[snake.h_index].count=1;
}
else if(wParam==VK_UP)
{
snake.h_index=(snake.h_index+1)%30;
count[snake.h_index].direction=UP;
count[snake.h_index].count=1;
}
else if(wParam==VK_DOWN)
{
snake.h_index=(snake.h_index+1)%30;
count[snake.h_index].direction=DOWN;
count[snake.h_index].count=1;
}
break;
}
case WM_TIMER:
time_t t;
HDC hdc;
hdc=GetDC(hwnd);
HBRUSH hbrush;//画刷
RECT rect;//矩形左上角和右下角左标
//head
HEAD: switch(count[snake.h_index].direction)
{
case LEFT:
{
if(snake.head_x>0)snake.head_x--;
else snake.head_x=60;
}
case RIGHT:
{
if(snake.head_x<60)snake.head_x++;
else snake.head_x=0;
}
case UP:
{
if(snake.head_y>0)snake.head_y--;
else snake.head_y=60;
}
case DOWN:
{
if(snake.head_y>0)snake.head_y--;
else snake.head_y=60;
}
default:break;
}
if(map[snake.head_y][snake.head_y]==0)
{
map[snake.head_y][snake.head_y]=1;
}
else if(map[snake.head_y][snake.head_x]==1)
{
wsprintf(szScore,TEXT("%d"),snake.score);
MessageBox(NULL,szScore,TEXT("GAMEOVER!!!"),0);
}
else if(map[snake.head_y][snake.head_x]==2)
{
snake.foodstate=0;
snake.score++;
map[snake.head_y][snake.head_x]=1;
goto HEAD;
}
//画蛇头
count[snake.h_index].count++;
hbrush=CreateSolidBrush(RGB(255,0,0));
rect.left =snake.head_x*10;
rect.top =snake.head_y*10;
rect.right =rect.left +10;
rect.bottom =rect.top +10;
FillRect(hdc,&rect,hbrush);
//蛇尾
if(count[snake.t_index].count==2)
{
map[snake.tail_y][snake.tail_x]=0;
count[snake.t_index].count=1;
hbrush=CreateSolidBrush(RGB(255,255,255));
rect.left =snake.tail_x*10;
rect.top =snake.tail_y*10;
rect.right =rect.left +10;
rect.bottom =rect.top +10;
FillRect(hdc,&rect,hbrush);
}
//蛇尾坐标
switch(count[snake.t_index].direction)
{
case LEFT: snake.tail_x--;
case RIGHT: snake.tail_x++;
case UP: snake.tail_y--;
case DOWN: snake.tail_y++;
default:break;
}
//食物
if(snake.s_state==1)
{
do
{
f_x=rand()%3600%60;
f_y=rand()%3600%60;
}while(map[f_x][f_y]==1);
hbrush=CreateSolidBrush(RGB(150,200,10));
rect.left =f_x*10;
rect.top =f_y*10;
rect.right =rect.left+10;
rect.bottom =rect.top +10;
FillRect(hdc,&rect,hbrush);
srand((unsigned) time(&t));
}
ReleaseDC(hwnd,hdc);
case WM_CLOSE:
DestroyWindow(hwnd);
break;
case WM_DESTROY:
PostQuitMessage(0);
break;
default:return DefWindowProc(hwnd,msg,wParam,lParam);
}
return 0;
}
