API.zip_鍵盤 滑鼠

#include <windows.h> #include <stdio.h> //定義結構 struct BULLET { int x,y; bool exist; }; //全域變數宣告 HINSTANCE hInst; HBITMAP bg,ship,bullet; HDC hdc,mdc,bufdc; HWND hWnd; DWORD tPre,tNow; int x,y,nowX,nowY; int w=0,bcount; BULLET b[30]; //函式宣告 ATOM MyRegisterClass(HINSTANCE hInstance); BOOL InitInstance(HINSTANCE, int); LRESULT CALLBACK WndProc(HWND, UINT, WPARAM, LPARAM); void MyPaint(HDC hdc); //****主程式************************************** int APIENTRY WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow) { MSG msg; MyRegisterClass(hInstance); //執行初始化函式 if (!InitInstance (hInstance, nCmdShow)) { return FALSE; } //遊戲迴圈 while( msg.message!=WM_QUIT ) { if( PeekMessage( &msg, NULL, 0,0 ,PM_REMOVE) ) { TranslateMessage( &msg ); DispatchMessage( &msg ); } else { tNow = GetTickCount(); if(tNow-tPre >= 40) MyPaint(hdc); } } return msg.wParam; } //****定義及註冊視窗類別函式************************* ATOM MyRegisterClass(HINSTANCE hInstance) { WNDCLASSEX wcex; wcex.cbSize = sizeof(WNDCLASSEX); wcex.style = CS_HREDRAW | CS_VREDRAW | CS_DBLCLKS; wcex.lpfnWndProc = (WNDPROC)WndProc; wcex.cbClsExtra = 0; wcex.cbWndExtra = 0; wcex.hInstance = hInstance; wcex.hIcon = NULL; wcex.hCursor = NULL; wcex.hCursor = LoadCursor(NULL, IDC_ARROW); wcex.hbrBackground = (HBRUSH)(COLOR_WINDOW+1); wcex.lpszMenuName = NULL; wcex.lpszClassName = "canvas"; wcex.hIconSm = NULL; return RegisterClassEx(&wcex); } //****初始函式************************************* // 1.設定飛機初始位置 // 2.設定滑鼠游標位置及隱藏 // 3.限制滑鼠游標移動區域 BOOL InitInstance(HINSTANCE hInstance, int nCmdShow) { HBITMAP bmp; POINT pt,lt,rb; RECT rect; hInst = hInstance; hWnd = CreateWindow("canvas", "繪圖視窗" , WS_OVERLAPPEDWINDOW, CW_USEDEFAULT, 0, CW_USEDEFAULT, 0, NULL, NULL, hInstance, NULL); if (!hWnd) { return FALSE; } MoveWindow(hWnd,10,10,640,480,true); ShowWindow(hWnd, nCmdShow); UpdateWindow(hWnd); hdc = GetDC(hWnd); mdc = CreateCompatibleDC(hdc); bufdc = CreateCompatibleDC(hdc); bmp = CreateCompatibleBitmap(hdc,640,480); SelectObject(mdc,bmp); bg = (HBITMAP)LoadImage(NULL,"bg.bmp",IMAGE_BITMAP,648,480,LR_LOADFROMFILE); ship = (HBITMAP)LoadImage(NULL,"ship.bmp",IMAGE_BITMAP,100,148,LR_LOADFROMFILE); bullet = (HBITMAP)LoadImage(NULL,"bullet.bmp",IMAGE_BITMAP,10,20,LR_LOADFROMFILE); x = 300; y = 300; nowX = 300; nowY = 300; //設定滑鼠游標位置 pt.x = 300; pt.y = 300; ClientToScreen(hWnd,&pt); SetCursorPos(pt.x,pt.y); ShowCursor(false); //隱藏滑鼠游標 //限制滑鼠游標移動區域 GetClientRect(hWnd,&rect); lt.x = rect.left; lt.y = rect.top; rb.x = rect.right; rb.y = rect.bottom; ClientToScreen(hWnd,&lt); ClientToScreen(hWnd,&rb); rect.left = lt.x; rect.top = lt.y; rect.right = rb.x; rect.bottom = rb.y; ClipCursor(&rect); MyPaint(hdc); return TRUE; } //****自訂繪圖函式********************************* // 1.設定飛機座標並進行貼圖 // 2.設定所有子彈座標並進行貼圖 // 3.顯示真正的滑鼠所在座標 void MyPaint(HDC hdc) { char str[20] = ""; int i; //貼上背景圖 SelectObject(bufdc,bg); BitBlt(mdc,0,0,w,480,bufdc,640-w,0,SRCCOPY); BitBlt(mdc,w,0,640-w,480,bufdc,0,0,SRCCOPY); if(nowX < x) { nowX += 10; if(nowX > x) nowX = x; } else { nowX -=10; if(nowX < x) nowX = x; } if(nowY < y) { nowY += 10; if(nowY > y) nowY = y; } else { nowY -= 10; if(nowY < y) nowY = y; } //貼上飛機圖 SelectObject(bufdc,ship); BitBlt(mdc,nowX,nowY,100,74,bufdc,0,74,SRCAND); BitBlt(mdc,nowX,nowY,100,74,bufdc,0,0,SRCPAINT); SelectObject(bufdc,bullet); if(bcount!=0) for(i=0;i<30;i++) if(b[i].exist) { //貼上子彈圖 BitBlt(mdc,b[i].x,b[i].y,10,10,bufdc,0,10,SRCAND); BitBlt(mdc,b[i].x,b[i].y,10,10,bufdc,0,0,SRCPAINT); b[i].x -= 10; if(b[i].x < 0) { bcount--; b[i].exist = false; } } //顯示滑鼠座標 sprintf(str,"X座標：%d ",x); TextOut(mdc,0,0,str,strlen(str)); sprintf(str,"Y座標：%d ",y); TextOut(mdc,0,20,str,strlen(str)); BitBlt(hdc,0,0,640,480,mdc,0,0,SRCCOPY); tPre = GetTickCount(); w += 10; if(w==640) w = 0; } //****訊息處理函式*********************************** // 1.處理WM_LBUTTONDOWN訊息發射子彈 // 2.處理WM_MOUSEMOVE訊息設定飛機貼圖座標 // 3.於視窗結束時恢復滑鼠移動區域 LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam) { int i; switch (message) { case WM_KEYDOWN: //按鍵按下訊息 if(wParam==VK_ESCAPE) //按下 Esc 鍵 PostQuitMessage(0); break; case WM_LBUTTONDOWN: //滑鼠左鍵按下訊息 for(i=0;i<30;i++) { if(!b[i].exist) { b[i].x = nowX; //子彈X座標 b[i].y = nowY + 30; //子彈Y座標 b[i].exist = true; bcount++; //累加子彈數目 break; } } case WM_MOUSEMOVE: x = LOWORD(lParam); //取得滑鼠 X 座標 if(x > 530) x = 530; else if(x < 0) x = 0; y = HIWORD(lParam); //取得滑鼠 Y 座標 if(y > 380) y = 380; else if(y < 0) y = 0; break; case WM_DESTROY: //視窗結束訊息 ClipCursor(NULL); //恢復滑鼠移動區域 DeleteDC(mdc); DeleteDC(bufdc); DeleteObject(bg); DeleteObject(bullet); DeleteObject(ship); ReleaseDC(hWnd,hdc); PostQuitMessage(0); break; default: //其它訊息 return DefWindowProc(hWnd, message, wParam, lParam); } return 0; }