//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::Render() {
if (!m_deviceLost) {
try {
// Clear the viewport
g_pDevice->Clear(0L, NULL, D3DCLEAR_TARGET | D3DCLEAR_ZBUFFER, 0xffffffff, 1.0f, 0L);
// Begin the scene
if (SUCCEEDED(g_pDevice->BeginScene())) {
D3DXMATRIX view, proj;
D3DXMatrixLookAtLH(&view, &D3DXVECTOR3(0.0f, 2.0f, -10.0f), &D3DXVECTOR3(0.0f, 2.0f, 0.0f), &D3DXVECTOR3(0.0f, 1.0f, 0.0f));
D3DXMatrixPerspectiveFovLH(&proj, D3DX_PI / 4.0f, (float)WINDOW_WIDTH / (float)WINDOW_HEIGHT, 1.0f, 1000.0f);
g_pEffect->SetMatrix("matVP", &(view * proj));
D3DXVECTOR4 lightPos(-20.0f, 75.0f, -120.0f, 0.0f);
g_pEffect->SetVector("lightPos", &lightPos);
//Render All Physics Objects
physicsEngine.Render();
RECT rc = {10, 590, 0, 590};
g_pFont->DrawText(NULL, "Press Space to restart simulation.", -1, &rc, DT_LEFT | DT_BOTTOM | DT_NOCLIP, 0x88000000);
RECT rc2 = {10, 570, 0, 570};
string s = "Press Return to toggle slowmotion: ";
s += (m_slowMotion ? "ON" : "OFF");
g_pFont->DrawText(NULL, s.c_str(), -1, &rc2, DT_LEFT | DT_BOTTOM | DT_NOCLIP, 0x88000000);
// End the scene.
g_pDevice->EndScene();
g_pDevice->Present(0, 0, 0, 0);
}
}
catch(...) {
g_debug << "Error in Application::Render() \n";
}
}
}
void Application::Render() {
if (!m_deviceLost) {
try {
// Clear the viewport
g_pDevice->Clear(0L, NULL, D3DCLEAR_TARGET | D3DCLEAR_ZBUFFER, 0xffffffff, 1.0f, 0L);
// Begin the scene
if (SUCCEEDED(g_pDevice->BeginScene())) {
D3DXMATRIX view, proj;
D3DXMatrixLookAtLH(&view, &D3DXVECTOR3(cos(m_angle) * 15.0f, 5.0f, sin(m_angle) * 15.0f), &D3DXVECTOR3(0.0f, 2.0f, 0.0f), &D3DXVECTOR3(0.0f, 1.0f, 0.0f));
D3DXMatrixPerspectiveFovLH(&proj, D3DX_PI / 3.0f, (float)WINDOW_WIDTH / (float)WINDOW_HEIGHT, 1.0f, 1000.0f);
g_pEffect->SetMatrix("matVP", &(view * proj));
D3DXVECTOR4 lightPos(-20.0f, 75.0f, -120.0f, 0.0f);
g_pEffect->SetVector("lightPos", &lightPos);
//Render All Physics Objects
physicsEngine.Render();
RECT rc1 = {10, 10, 0, 590};
g_pFont->DrawText(NULL, "Press 1: Use Hinge Constraints.", -1, &rc1, DT_LEFT | DT_TOP | DT_NOCLIP, 0x88000000);
RECT rc2 = {10, 30, 0, 590};
g_pFont->DrawText(NULL, "Press 2: Use Twist-Cone Constraints.", -1, &rc2, DT_LEFT | DT_TOP | DT_NOCLIP, 0x88000000);
RECT rc3 = {10, 50, 0, 590};
g_pFont->DrawText(NULL, "Press 3: Use Point-2-Point Constraints.", -1, &rc3, DT_LEFT | DT_TOP | DT_NOCLIP, 0x88000000);
// End the scene.
g_pDevice->EndScene();
g_pDevice->Present(0, 0, 0, 0);
}
}
catch(...) {
g_debug << "Error in Application::Render() \n";
}
}
}