//Render the objects
void display()
{
// Get CPU time from start.
CPUtime = GetPerformanceTicks();
// Initialize the physics time at the beginning of the program.
if ( CPUphysicsTime == 0 )
CPUphysicsTime = CPUtime - CPUphysicsTimeStep;
while ( (CPUphysicsTime + CPUphysicsTimeStep) <= CPUtime )
{
physEngine.Update(physicsTimestep);
CPUphysicsTime += CPUphysicsTimeStep;
}
//Make sure we do not get ahead of current time due to rounding errors
if ( CPUphysicsTime > CPUtime )
CPUphysicsTime = CPUtime;
//Render section
physEngine.Render();
//Display the results
glEnable( GL_BLEND );
glPopMatrix();
glutSwapBuffers();
glClear( GL_COLOR_BUFFER_BIT );
}
void Application::Update(float deltaTime) {
try {
//Check for lost device
HRESULT coop = g_pDevice->TestCooperativeLevel();
if (coop != D3D_OK) {
if (coop == D3DERR_DEVICELOST) {
if (m_deviceLost == false)
DeviceLost();
}
else if (coop == D3DERR_DEVICENOTRESET) {
if (m_deviceLost == true)
DeviceGained();
}
Sleep(100);
return;
}
//Physics Engine
physicsEngine.Update(deltaTime);
if (KeyDown('1')) {
physicsEngine.Reset(HINGE);
}
else if (KeyDown('2')) {
physicsEngine.Reset(TWISTCONE);
}
else if (KeyDown('3')) {
physicsEngine.Reset(BALLPOINT);
}
if (KeyDown(VK_LEFT))m_angle += deltaTime;
if (KeyDown(VK_RIGHT))m_angle -= deltaTime;
//Keyboard input
if (KeyDown(VK_ESCAPE)) {
Quit();
}
if (KeyDown(VK_RETURN) && KeyDown(18)) { //ALT + RETURN
//Switch between windowed mode and fullscreen mode
m_present.Windowed = !m_present.Windowed;
DeviceLost();
DeviceGained();
if (m_present.Windowed) {
RECT rc = {0, 0, WINDOW_WIDTH, WINDOW_HEIGHT};
AdjustWindowRect(&rc, WS_OVERLAPPEDWINDOW, false);
SetWindowPos(m_mainWindow, HWND_NOTOPMOST, 0, 0, rc.right - rc.left, rc.bottom - rc.top, SWP_SHOWWINDOW);
UpdateWindow(m_mainWindow);
}
}
}
catch(...) {
g_debug << "Error in Application::Update() \n";
}
}
void Application::Update(float deltaTime) {
try {
//Check for lost device
HRESULT coop = g_pDevice->TestCooperativeLevel();
if (coop != D3D_OK) {
if (coop == D3DERR_DEVICELOST) {
if (m_deviceLost == false)
DeviceLost();
}
else if (coop == D3DERR_DEVICENOTRESET) {
if (m_deviceLost == true)
DeviceGained();
}
Sleep(100);
return;
}
//Physics Engine
physicsEngine.Update(m_slowMotion ? deltaTime * 0.1f : deltaTime * 1.0f);
//reset simulation
if (KeyDown(VK_SPACE)) {
physicsEngine.Reset();
}
//Keyboard input
if (KeyDown(VK_ESCAPE)) {
Quit();
}
if (KeyDown(VK_RETURN) && KeyDown(18)) { //ALT + RETURN
//Switch between windowed mode and fullscreen mode
m_present.Windowed = !m_present.Windowed;
DeviceLost();
DeviceGained();
if (m_present.Windowed) {
RECT rc = {0, 0, WINDOW_WIDTH, WINDOW_HEIGHT};
AdjustWindowRect(&rc, WS_OVERLAPPEDWINDOW, false);
SetWindowPos(m_mainWindow, HWND_NOTOPMOST, 0, 0, rc.right - rc.left, rc.bottom - rc.top, SWP_SHOWWINDOW);
UpdateWindow(m_mainWindow);
}
}
//Slowmotion on/off
if (KeyDown(VK_RETURN)) {
m_slowMotion = !m_slowMotion;
Sleep(300);
}
}
catch(...) {
g_debug << "Error in Application::Update() \n";
}
}