void keyPressed(KeySym key)
{
switch (key) {
case XK_Escape:
done = True;
break;
case XK_F1:
killGLWindow();
GLWin.fs = !GLWin.fs;
createGLWindow("NeHe's Texture Mapping Tutorial",
640, 480, 24, GLWin.fs);
break;
case XK_Left:
rotz -= 0.8f; /* rotate left */
break;
case XK_Right:
rotz += 0.8f; /* rotate left */
break;
case XK_Up:
divs++; /* Update the patch */
mybezier.dlBPatch = genBezier(mybezier, divs);
keys[XK_Up%256] = False;
break;
case XK_Down:
divs--; /* Update the patch */
mybezier.dlBPatch = genBezier(mybezier, divs);
keys[XK_Down%256] = False;
break;
case XK_space:
showCPoints = !showCPoints;
keys[XK_space%256] = False;
break;
}
}
bool OpenGLGame::update()
{
if ( !isActive() ) // 程序激活的么?
{
return true;
}
if ( isKeyPressed( VK_ESCAPE ) ) // ESC 按下了么?
{
return false; // ESC 发出退出信号
}
// 不是退出的时候，刷新屏幕
drawGLScene(); // 绘制场景
::SwapBuffers( m_hDC ); // 交换缓存 (双缓存)
processKeyEvent();
if ( isKeyPressed( VK_F1 ) ) // F1键按下了么?
{
onKeyReleased( VK_F1 ); // 若是，使对应的Key数组中的值为 FALSE
killGLWindow(); // 销毁当前的窗口
m_bFullScreen = !m_bFullScreen; // 切换 全屏 / 窗口 模式
// 重建 OpenGL 窗口
if ( !createGLWindow() )
{
return false; // 如果窗口未能创建，程序退出
}
}
return true;
}
int WINAPI WinMain(HINSTANCE hInstance,
HINSTANCE hPrevInstance,
LPSTR lpCmdLine,
int nCmdSHow)
{
MSG msg;
int done = 0;
if (!createGLWindow("OpenGLDemo", windowWidth, windowHeight, 16))
{
//some error code
killWindow();
return 0;
}
while (!done)
{
if (PeekMessage(&msg, hWnd, 0, 0, PM_REMOVE))
{
if (msg.message == WM_QUIT)
done = TRUE;
else
{
TranslateMessage(&msg);
DispatchMessage(&msg);
}
}
}
killWindow();
return (int)(msg.wParam);
}
void keyPressed(KeySym key)
{
switch (key)
{
case XK_Escape:
done = True;
break;
case XK_F1:
killGLWindow();
GLWin.fs = !GLWin.fs;
createGLWindow("NeHe's Blending Tutorial",
1920, 1280, 24, GLWin.fs);
break;
case XK_f:
filter += 1;
if (filter > 2)
filter = 0;
break;
case XK_l:
light = !light;
if (!light)
glDisable(GL_LIGHTING);
else
glEnable(GL_LIGHTING);
break;
case XK_b:
blend = !blend;
if (blend)
{
glEnable(GL_BLEND); /* turn blending on */
glDisable(GL_DEPTH_TEST); /* turn depth testing off */
}
else
{
glDisable(GL_BLEND); /* turn blending off */
glEnable(GL_DEPTH_TEST); /* turn depth testing on */
}
break;
case XK_Page_Up:
z -= 0.02f;
break;
case XK_Page_Down:
z += 0.02f;
break;
case XK_Up:
speedX -= 0.01f;
break;
case XK_Down:
speedX += 0.01f;
break;
case XK_Right:
speedY += 0.01f;
break;
case XK_Left:
speedY -= 0.01f;
break;
}
}
int main(void)
{
createGLWindow("NeHe's Lesson 36",640,480,24,False); /* Create our window*/
run(); /* Start Event-Loop */
killGLWindow(); /* shutdown window */
return 0;
}
uintptr_t CPROC ProcessDisplayMessages( PTHREAD thread )
{
XEvent event;
struct display_camera *camera;
INDEX idx;
struct display_camera *did_one;
LoadOptions(); // loads camera config, and logging options...
SACK_Vidlib_OpenCameras(); // create logical camera structures
l.bThreadRunning = 1;
while( !l.bExitThread )
{
did_one = NULL;
LIST_FORALL( l.cameras, idx, struct display_camera *, camera )
{
//lprintf( "Checking Thread %Lx", GetThreadID( MakeThread() ) );
if( !camera->hVidCore )
continue;
GLWindow *x11_gl_window = camera->hVidCore->x11_gl_window;
if( !x11_gl_window && ( l.bottom ) )
{
x11_gl_window = createGLWindow( camera ); // opens the physical device
}
//lprintf( "is it %Lx?", GetThreadID( thread ) );
if( x11_gl_window && x11_gl_window->dpy )
{
did_one = camera;
while( XPending( x11_gl_window->dpy ) > 0 )
{
XNextEvent(x11_gl_window->dpy, &event);
//if( l.flags.bLogMessageDispatch )
// lprintf( WIDE("(E)Got message:%d"), event.type );
HandleMessage( camera->hVidCore, x11_gl_window, &event );
//if( l.flags.bLogMessageDispatch )
// lprintf( WIDE("(X)Got message:%d"), event.type );
}
//lprintf( "Draw GL..." );
//drawGLScene( camera, x11_gl_window );
// calls Update; moves the camera if it has a motion...
// does a global tick then draws all cameras
// returns if draw should be done; might step and draw one message
// loop for each camera instead
ProcessGLDraw( TRUE );
}
}
if( !did_one )
WakeableSleep( 1000 );
else
Relinquish();
}
return 1;
}
int main(void)
{
createGLWindow("Nehe's Lesson 34", 1920, 1280,24,False); /* Create our window*/
LoadRawFile("Data/Terrain.raw", MAP_SIZE * MAP_SIZE, g_HeightMap); /* Load raw data */
run(); /* Start Event-Loop */
killGLWindow(); /* shutdown window */
return 0;
}
int main()
{
windowProcess = (LRESULT CALLBACK)windowProcessN;
WNDCLASS window = createGLWindow((LPCWSTR)L"Moon Walk Demo", 1280, 800, false);
onResize(1280, 800);
glEnable(GL_DEPTH_TEST);
MSG msg;
bool done = false;
initExtendedGL();
current_state = new main_game();
current_state->initialize();
int version = 0;
printf("%s\n", glGetString(GL_VERSION));
while(!done)
{
if(PeekMessage(&msg, NULL, 0, 0, PM_REMOVE))
{
if(msg.message == WM_QUIT)
{
done = true;
}
else
{
TranslateMessage(&msg);
DispatchMessage(&msg);
}
}
current_state->updateLogic();
// Draw graphics here.
{
// Set color and depth clear value
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glClearColor(0.f, 0.f, 0.f, 0.f);
current_state->updateGraphics();
}
current_state->updateSound();
updateWindow();
}
killGLWindow();
return 0;
}
void keyPressed(KeySym key)
{
switch (key)
{
case XK_Escape:
done = True;
break;
case XK_F1:
killGLWindow();
GLWin.fs = !GLWin.fs;
createGLWindow("NeHe's Rotation Tutorial", 1920, 1280, 24, GLWin.fs);
break;
}
}
int main(void)
{
createGLWindow("Piotr Cieslak & NeHe's Morphing Points Tutorial",640,480,24,False); /* Create our window*/
Initialize(); /* Init Opengl*/
run(); /* Start Event-Loop */
Deinitialize(); /* Release memory */
killGLWindow(); /* shutdown window */
return 0;
}
int main(void)
{
createGLWindow("NeHe's Lesson 37",640,480,24,False);
Initialize();
run();
Deinitialize();
killGLWindow();
return 0;
}
void keyPressed(KeySym key)
{
switch (key)
{
case XK_Escape:
done = True;
break;
case XK_F1:
killGLWindow();
GLWin.fs = !GLWin.fs;
createGLWindow((char*)"NeHe's Textures, Lighting & Keyboard Tutorial",
640, 480, 24, GLWin.fs);
break;
case XK_f:
filter += 1;
if (filter > 2)
filter = 0;
break;
case XK_l:
light = !light;
if (!light)
glDisable(GL_LIGHTING);
else
glEnable(GL_LIGHTING);
break;
case XK_Page_Up:
z -= 0.02f;
break;
case XK_Page_Down:
z += 0.02f;
break;
case XK_Up:
speedX -= 0.01f;
break;
case XK_Down:
speedX += 0.01f;
break;
case XK_Right:
speedY += 0.01f;
break;
case XK_Left:
speedY -= 0.01f;
break;
}
}
void keyAction()
{
if (keys[keyCodes[0]])
done = True;
if (keys[keyCodes[1]])
{
killGLWindow();
GLWin.fs = !GLWin.fs;
createGLWindow("NeHe's Particle Engine", 1920, 1280, 24, GLWin.fs);
keys[keyCodes[1]] = False;
}
if (keys[keyCodes[7]] && slowdown > 1.0f)
slowdown -= 0.01f;
if (keys[keyCodes[8]] && slowdown < 4.0f)
slowdown += 0.01f;
if (keys[keyCodes[9]])
zoom += 0.1f;
if (keys[keyCodes[10]])
zoom -= 0.1f;
if (keys[keyCodes[11]])
{
rainbow = !rainbow;
keys[keyCodes[11]] = False;
}
if ((keys[keyCodes[12]]) || (rainbow && delay > 25))
{
if (keys[keyCodes[12]])
rainbow = False;
delay = 0;
color++;
if (color > 11)
color = 0;
keys[keyCodes[12]] = False;
}
if ((keys[keyCodes[13]]) && (ySpeed < 200.0f))
ySpeed += 1.0f;
if ((keys[keyCodes[14]]) && (ySpeed > -200.0f))
ySpeed -= 1.0f;
if ((keys[keyCodes[15]]) && (xSpeed < 200.0f))
xSpeed += 1.0f;
if ((keys[keyCodes[16]]) && (xSpeed > -200.0f))
xSpeed -= 1.0f;
delay++;
}
int main(int argc, char **argv)
{
XEvent event;
KeySym key;
done = False;
/* default to fullscreen */
GLWin.fs = True;
createGLWindow("NeHe's Rotation Tutorial", 1920, 1280, 24, GLWin.fs);
/* wait for events*/
while (!done)
{
/* handle the events in the queue */
while (XPending(GLWin.dpy) > 0)
{
XNextEvent(GLWin.dpy, &event);
switch (event.type)
{
case Expose:
if (event.xexpose.count != 0)
break;
drawGLScene();
break;
case ConfigureNotify:
/* call resizeGLScene only if our window-size changed */
if ((event.xconfigure.width != GLWin.width) ||
(event.xconfigure.height != GLWin.height))
{
GLWin.width = event.xconfigure.width;
GLWin.height = event.xconfigure.height;
printf("Resize event\n");
resizeGLScene(event.xconfigure.width,
event.xconfigure.height);
}
break;
/* exit in case of a mouse button press */
case ButtonPress:
done = True;
break;
case KeyPress:
key = XLookupKeysym(&event.xkey, 0);
keyPressed(key);
break;
case ClientMessage:
if (*XGetAtomName(GLWin.dpy, event.xclient.message_type) ==
*"WM_PROTOCOLS")
{
printf("Exiting sanely...\n");
done = True;
}
break;
default:
break;
}
}
drawGLScene();
}
killGLWindow();
return 0;
}
int CALLBACK WinMain(
HINSTANCE hInstance1,
HINSTANCE hPrevInstance,
LPSTR lpCmdLine,
int nCmdShow
)
{
windowWidth = 800;
windowHeight = 600;
camZoom = 2;
hInstance = hInstance1;
LPCTSTR className = "GraphicsGame";
WNDCLASS wc = {};
wc.style = CS_OWNDC|CS_VREDRAW|CS_HREDRAW;
wc.lpfnWndProc = (WNDPROC)WindowProc;
wc.hInstance = hInstance;
wc.lpszClassName = className;
wc.hCursor = NULL;
if(!RegisterClass(&wc))
{
killWindow(className);
MessageBox(NULL, "Couldnt Register Class", "Error", MB_OK);
return 1;
}
int windowStatus = createGLWindow(hInstance, className);
if(!windowStatus)
{
return 1;
}
double dx = 0;
double dy = 0;
double maxSpeed = 5;
double accel = 0.1f;
MSG message;
game = (Game*)calloc(1, sizeof(Game));
initGL();
initGame(game);
int counter = 0;
LARGE_INTEGER cps;
LARGE_INTEGER curCount;
LARGE_INTEGER prevCount;
LONGLONG countDifference;
QueryPerformanceFrequency(&cps);
double secsPassed = 0;
QueryPerformanceCounter(&curCount);
float pan = 0.2;
float topPan = 1;
float lowPan = 0.2;
while(!game->done)
{
prevCount = curCount;
QueryPerformanceCounter(&curCount);
countDifference = curCount.QuadPart - prevCount.QuadPart;
secsPassed = (long double)countDifference / (long double)cps.QuadPart;
while(PeekMessage(&message, hWindow, 0, 0, PM_REMOVE))
{
if(message.message == WM_QUIT)
{
game->done = true;
}
TranslateMessage(&message);
DispatchMessage(&message);
}
dx = 0;
dy = 0;
if(game->keys[VK_SHIFT])
{
pan = topPan;
}
else
{
pan = lowPan;
}
if(game->keys['W'])
{
camY+=pan;
}
if(game->keys['A'])
{
camX-=pan;
}
if(game->keys['S'])
{
camY-=pan;
}
if(game->keys['D'])
{
camX+=pan;
}
if(game->keys['Q'])
{
camZoom += 0.01;
if(camZoom > 6) camZoom = 6;
resize(windowWidth, windowHeight);
}
if(game->keys['E'])
{
camZoom -= 0.01;
if(camZoom < 1) camZoom = 1;
resize(windowWidth, windowHeight);
}
if(game->keys[VK_SPACE])
{
saveFile(game);
}
updateGame(game, dx, dy, secsPassed);
drawScene(game);
SwapBuffers(hDeviceContext);
}
free(game);
killWindow(className);
return 0;
}
