自己用C语言写的贪吃蛇游戏——核心代码——最简洁

#include<windows.h> struct Boarder { int Width_Ex,Height_Ex; int Per_Width,Per_Height; }; struct Node { int x,y; }; struct Snack { struct Node node[100]; int len; }; struct Snack snack; struct Node foot; struct Boarder boarder; bool GameOver; int direct; float lastTime; float nowTime; HDC hdc; HDC hdcMem; HBITMAP hBitmapMem; HWND hWnd; RECT wndrect; char title[10]="GAME"; void Init(); void Draw(); void FoodChange(); void TestRight(); void TestLeft(); void TestUp(); void TestDown(); LRESULT Windowproc(HWND,UINT,WPARAM,LPARAM); int APIENTRY WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpcmdLine,int nCmdShow) { MSG msg; WNDCLASS wc; wc.style =CS_HREDRAW|CS_VREDRAW; wc.lpfnWndProc = (WNDPROC)Windowproc; wc.cbWndExtra =0; wc.cbClsExtra =0; wc.hInstance = hInstance; wc.hIcon =NULL; wc.hCursor =NULL; wc.hbrBackground =(HBRUSH)GetStockObject(BLACK_BRUSH); wc.lpszClassName =title; wc.lpszMenuName =NULL; RegisterClass(&wc); hWnd=CreateWindow(title,title,WS_OVERLAPPEDWINDOW,0,0,800,600,NULL,NULL,hInstance,NULL); if(!hWnd) return 0; ShowWindow(hWnd,nCmdShow); UpdateWindow(hWnd); Init(); while (1) { if (PeekMessage(&msg,NULL,0,0,PM_REMOVE)) { if (msg.message ==WM_QUIT) break; TranslateMessage(&msg); DispatchMessage(&msg); } else { Draw(); nowTime=(float)timeGetTime(); if(nowTime>400+lastTime) { lastTime=nowTime; if(direct==0) TestUp(); if(direct==1) TestDown(); if(direct==2) TestLeft(); if(direct==3) TestRight(); } if(GameOver) { break; } } } return 0; } LRESULT Windowproc(HWND hwnd ,UINT message, WPARAM wParam, LPARAM lParam) { switch (message) { case WM_DESTROY: PostQuitMessage(0); return 1; case WM_KEYDOWN: { switch (wParam) { case VK_ESCAPE: PostMessage(hwnd,WM_CLOSE,0,0); break; case VK_LEFT: { if(direct!=3) { direct=2; TestLeft(); } } break; case VK_RIGHT: { if(direct!=2) { direct=3; TestRight(); } } break; case VK_UP: { if(direct!=1) { direct=0; TestUp(); } } break; case VK_DOWN: { if(direct!=0) { direct=1; TestDown(); } } break; } break; } } return DefWindowProc(hwnd,message,wParam,lParam); } void Init() { hdc=GetDC(hWnd); GetWindowRect(hWnd,&wndrect); hdcMem=CreateCompatibleDC(hdc); hBitmapMem=CreateCompatibleBitmap(hdc,800,600); SelectObject(hdcMem,hBitmapMem); boarder.Per_Width =(int)(2.0/3.0*(wndrect.right /14.0)); boarder.Per_Height =(int)(wndrect.bottom /14.0); boarder.Width_Ex =(int)2*boarder.Per_Width ; boarder.Height_Ex =(int)2*boarder.Per_Height ; snack.len =2; snack.node[0].x =4;snack.node[0].y =4; snack.node[1].x =4;snack.node[1].y =3; foot.x =rand()%10; foot.y =rand()%10; GameOver=false; direct=0; lastTime=(float)timeGetTime(); } void Draw() { HBRUSH hbrush1,hbrush2,hbrush3,hbrush4,hbrush_old; hbrush1=(HBRUSH)CreateSolidBrush(RGB(100,100,100)); hbrush_old=(HBRUSH)SelectObject(hdcMem,hbrush1); Rectangle(hdcMem,0,0,800,600); hbrush2=(HBRUSH)CreateSolidBrush(RGB(50,50,200)); SelectObject(hdcMem,hbrush2); int i,j; for(i=0;i<10;i++) { for(j=0;j<10;j++) { Rectangle(hdcMem, boarder.Width_Ex + j* boarder.Per_Width, boarder.Height_Ex +i*boarder.Per_Height , boarder.Width_Ex + (j+1)* boarder.Per_Width, boarder.Height_Ex +(i+1)*boarder.Per_Height); } } hbrush3=(HBRUSH)CreateSolidBrush(RGB(0,200,0)); SelectObject(hdcMem,hbrush3); for(i=0;i<snack.len ;i++) { Rectangle(hdcMem, boarder.Width_Ex + snack.node[i].x * boarder.Per_Width, boarder.Height_Ex +snack.node[i].y *boarder.Per_Height , boarder.Width_Ex + (snack.node[i].x +1)* boarder.Per_Width, boarder.Height_Ex +(snack.node[i].y +1)*boarder.Per_Height); } hbrush4=(HBRUSH)CreateSolidBrush(RGB(200,50,50)); SelectObject(hdcMem,hbrush4); Rectangle(hdcMem,boarder.Width_Ex + foot.x *boarder.Per_Width , boarder.Height_Ex +foot.y * boarder.Per_Height , boarder.Width_Ex + (foot.x +1) *boarder.Per_Width , boarder.Height_Ex +(foot.y+1) * boarder.Per_Height) ; BitBlt(hdc,0,0,800,600,hdcMem,0,0,SRCCOPY); SelectObject(hdcMem,hbrush1); DeleteObject(hbrush1); SelectObject(hdcMem,hbrush2); DeleteObject(hbrush2); SelectObject(hdcMem,hbrush3); DeleteObject(hbrush3); SelectObject(hdcMem,hbrush4); DeleteObject(hbrush4); } void FootChange() { foot.x =rand()%10; foot.y =rand()%10; } void TestLeft() { int i; if(snack.node[0].x ==0) { GameOver=true; return; } if(snack.node[0].x-1 == foot.x && snack.node[0].y == foot.y ) { snack.len ++; for(i=snack.len ;i>0;i--) { snack.node[i]=snack.node[i-1]; } snack.node[0]=foot; FootChange(); } else { for(i=snack.len ;i>0;i--) { snack.node[i]=snack.node[i-1]; } snack.node[0].x --; } } void TestRight() { int i; if(snack.node[0].x ==9) { GameOver=true; return; } if(snack.node[0].x + 1 == foot.x && snack.node[0].y == foot.y ) { snack.len ++; for(i=snack.len ;i>0;i--) { snack.node[i]=snack.node[i-1]; } snack.node[0]=foot; FootChange(); } else { for(i=snack.len ;i>0;i--) { snack.node[i]=snack.node[i-1]; } snack.node[0].x ++; } } void TestDown() { int i; if(snack.node[0].y ==9) { GameOver=true; return; } if(snack.node[0].x == foot.x && snack.node[0].y+1 == foot.y ) { snack.len ++; for(i=snack.len ;i>0;i--) { snack.node[i]=snack.node[i-1]; } snack.node[0]=foot; FootChange(); } else { for(i=snack.len ;i>0;i--) { snack.node[i]=snack.node[i-1]; } snack.node[0].y ++; } } void TestUp() { int i; if(snack.node[0].y ==0) { GameOver=true; return; } if(snack.node[0].x == foot.x && snack.node[0].y-1 == foot.y ) { snack.len ++; for(i=snack.len ;i>0;i--) { snack.node[i]=snack.node[i-1]; } snack.node[0]=foot; FootChange(); } else { for(i=snack.len ;i>0;i--) { snack.node[i]=snack.node[i-1]; } snack.node[0].y--; } }