Хорошо, вот оно: я делаю основную игру в понг для школы и могу подготовить что угодно.Но после инициализации (запуска) программы я не могу обновить окно.Сначала я попытался нарисовать буфер, но он ничего не делает.код здесь, так что посмотрите довольно пожалуйста и заранее спасибо !!
//=============================================================================
//Seth Dark @2011
//Pong v1.0
//=============================================================================
//=============================================================================
//to do list
// - get the ball moving
// - figure out the AI
// - figure out the ball vs paddle
// Version 2
// - count time or points
// - hiscore bord
//=============================================================================
// Pong.cpp : Defines the entry point for the application.
#include "stdafx.h"
#include "Resource.h"
#define MAX_LOADSTRING 100
// Global Variables:
HINSTANCE hInst; // current instance
TCHAR szTitle[MAX_LOADSTRING]; // The title bar text
TCHAR szWindowClass[MAX_LOADSTRING]; // the main window class name
BackBuffer* gBackBuffer = 0; // The backbuffer we will render
HDC hdc; // ------------------------------ gamble
const int gClientWidth = 800;
const int gClientHeight = 600;
Vec2 playerPos(20.0f, 250.0f);
Vec2 aiPos(780.0f,250.0f);
Vec2 ballPos(400.0f, 250.0f);
// Forward declarations of functions included in this code module:
ATOM MyRegisterClass(HINSTANCE hInstance);
BOOL InitInstance(HINSTANCE, int);
LRESULT CALLBACK WndProc(HWND, UINT, WPARAM, LPARAM);
INT_PTR CALLBACK About(HWND, UINT, WPARAM, LPARAM);
//---------------------------------------------
//INT RUN
//---------------------------------------------
int APIENTRY _tWinMain(HINSTANCE hInstance,
HINSTANCE hPrevInstance,
LPTSTR lpCmdLine,
int nCmdShow)
{
UNREFERENCED_PARAMETER(hPrevInstance);
UNREFERENCED_PARAMETER(lpCmdLine);
// TODO: Place code here.
HDC bbDC = gBackBuffer->getDC();
//Clear backbuffer
HBRUSH oldBrush = (HBRUSH)SelectObject(bbDC, GetStockObject(BLACK_BRUSH));
Rectangle(bbDC,0 ,0 ,800, 600);
//Draw player
SelectObject(hdc,GetStockObject(WHITE_BRUSH)); // drawing the thing
Rectangle(bbDC,
(int)playerPos.x -10,
(int)playerPos.y - 50,
(int)playerPos.x + 10,
(int)playerPos.y + 50);
MSG msg;
HACCEL hAccelTable;
// Initialize global strings
LoadString(hInstance, IDS_APP_TITLE, szTitle, MAX_LOADSTRING);
LoadString(hInstance, IDC_PONG, szWindowClass, MAX_LOADSTRING);
MyRegisterClass(hInstance);
// Perform application initialization:
if (!InitInstance (hInstance, nCmdShow))
{
return FALSE;
}
hAccelTable = LoadAccelerators(hInstance, MAKEINTRESOURCE(IDC_PONG));
// Main message loop:
while (GetMessage(&msg, NULL, 0, 0))
{
if (!TranslateAccelerator(msg.hwnd, hAccelTable, &msg))
{
TranslateMessage(&msg);
DispatchMessage(&msg);
}
}
return (int) msg.wParam;
}
//
// FUNCTION: MyRegisterClass()
//
// PURPOSE: Registers the window class.
//
// COMMENTS:
//
// This function and its usage are only necessary if you want this code
// to be compatible with Win32 systems prior to the 'RegisterClassEx'
// function that was added to Windows 95. It is important to call this function
// so that the application will get 'well formed' small icons associated
// with it.
// Creation of the window upon wich we will draw
//
ATOM MyRegisterClass(HINSTANCE hInstance)
{
WNDCLASSEX wcex;
wcex.cbSize = sizeof(WNDCLASSEX);
wcex.style = CS_HREDRAW | CS_VREDRAW;
wcex.lpfnWndProc = WndProc;
wcex.cbClsExtra = 0;
wcex.cbWndExtra = 20;
wcex.hInstance = hInstance;
wcex.hIcon = LoadIcon(hInstance, MAKEINTRESOURCE(IDI_PONG));
wcex.hCursor = LoadCursor(NULL, IDC_ARROW);
wcex.lpszMenuName = MAKEINTRESOURCE(IDC_PONG);
wcex.lpszClassName = szWindowClass;
wcex.hIconSm = LoadIcon(wcex.hInstance, MAKEINTRESOURCE(IDI_SMALL));
wcex.hbrBackground = (HBRUSH)GetStockObject (BLACK_BRUSH);
return RegisterClassEx(&wcex);
}
BOOL InitInstance(HINSTANCE hInstance, int nCmdShow)
{
HWND hWnd;
hInst = hInstance; // Store instance handle in our global variable
hWnd = CreateWindow(szWindowClass, szTitle, WS_OVERLAPPEDWINDOW,
CW_USEDEFAULT, 0, 819, 600, NULL, NULL, hInstance, NULL);
if (!hWnd)
{
return FALSE;
}
ShowWindow(hWnd, nCmdShow);
UpdateWindow(hWnd);
return TRUE;
}
LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
int wmId, wmEvent;
PAINTSTRUCT ps;
HDC hdc;
switch (message)
{
case WM_COMMAND:
wmId = LOWORD(wParam);
wmEvent = HIWORD(wParam);
// Parse the menu selections:
switch (wmId)
{
case IDM_ABOUT:
DialogBox(hInst, MAKEINTRESOURCE(IDD_ABOUTBOX), hWnd, About);
break;
case IDM_EXIT:
DestroyWindow(hWnd);
break;
default:
return DefWindowProc(hWnd, message, wParam, lParam);
}
break;
case WM_PAINT:
hdc = BeginPaint(hWnd, &ps);
// TODO: Add any drawing code here...
//Draw player rectangle get class look page 237 -
SelectObject(hdc,GetStockObject(WHITE_BRUSH));
Rectangle(hdc,
(int)playerPos.x -10,
(int)playerPos.y - 50,
(int)playerPos.x + 10,
(int)playerPos.y + 50);
//Draw AI rectangle get class look page 237 - AI
Rectangle(hdc,
(int)aiPos.x -10,
(int)aiPos.y - 50,
(int)aiPos.x + 10,
(int)aiPos.y + 50);
//Draw the ball
Ellipse(hdc,
(int)ballPos.x -20,
(int)ballPos.y - 20,
(int)ballPos.x + 20,
(int)ballPos.y + 20);
EndPaint(hWnd, &ps);
break;
case WM_KEYDOWN:
{
switch(wParam)
{
case 'Z':
playerPos.y -= 5;
break;
case 'S':
playerPos.y += 5;
break;
}
// up, down, enter to play or restart
break;
return 0;
}
case WM_DESTROY:
PostQuitMessage(0);
break;
default:
return DefWindowProc(hWnd, message, wParam, lParam);
}
return 0;
}
// Message handler for about box.
INT_PTR CALLBACK About(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam)
{
UNREFERENCED_PARAMETER(lParam);
switch (message)
{
case WM_INITDIALOG:
return (INT_PTR)TRUE;
case WM_COMMAND:
if (LOWORD(wParam) == IDOK || LOWORD(wParam) == IDCANCEL)
{
EndDialog(hDlg, LOWORD(wParam));
return (INT_PTR)TRUE;
}
break;
}
return (INT_PTR)FALSE;
}
Надеюсь, этого достаточно!эта вещь сводит меня с ума с воскресенья.Любая помощь, почему я не могу рисовать, будет оценена, я попытался поставить ее в ход, рисовать и еще пару вещей